Meteor Observation Bulletin No. 129 www.rmob.org April 2004 1. GLOBAL OBSERVATIONS Observer: Masami Aihara Location: Yokohama, Kanagawa, Japan (139.69 E, 35.50 N) Frequency: 53.750 MHz Antenna: COMET CA-52HB 2 element Transmitter Location:Fukui-NCT at Sabae, Japan (136.2 E, 35.9 N) Ham beacon (JA9YDB) for RMO (50 W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Receiver: ITEC HRO-RX1a Method: HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) Total number of echoes Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+-------------------------------------------------------------------------- 1| 3 14 4 8 6 7 10 5 %4 NS NS NS 2 3 2 4 1 3 2 5 7 7 4 12 2|12 7 20 16 19 19 22 18 17 11 12 11 16 11 7 7 3 0 1 1 2 8 8 5 3| 2 7 11 8 4 9 2 1 6 5 NS NS NS %2 7 5 5 1 3 4 6 5 7 5 4| 6 9 17 16 14 14 11 12 8 9 8 13 17 16 5 2 3 2 5 4 5 5 10 12 5|14 13 18 14 12 14 26 19 11 8 NS NS NS 6 3 4 NS NS NS 4 5 6 11%11 6|14 22 18 11 16 13 19 9 21 7 NS NS 9 5 0 1 3 3 5 6 6 9 3 12 7|15 11 19 17 16 16 18 13 13 10 NS NS NS 3 1 3 1 0 0 5 0 4 8 13 8|13 10 14 11 7 7 11 24 22 12 22 13 7 1 4 4 0 2 4 1 1 4 4 9 9|12 13 8 5 6 8 6 5 3 %8 NS NS 6 NS NS 2 8 2 1 1 1 3 2 6 10| 2 3 10 7 13 11 8 1 1 4 0 NS 2 8 NS 1 NS 3 3 3 4 8 13 %8 11|10 9 13 17 7 16 9 13 7 4 10 10 NS %0 4 4 2 0 0 3 2 2 7 9 12| 4 5 8 8 5 4 5 4 8 NS NS NS 6 3 2 1 0 1 6 2 3 5 5 8 13| 4 12 7 8 10 8 13 7 6 6 10 7 7 7 2 4 2 3 2 4 4 7 6 14 14|11 12 11 14 10 11 9 15 8 7 5 9 11 3 5 5 3 4 2 5 14 7 11 11 15|13 20 17 16 11 22 14 15 12 6 5 10 NS NS NS NS NS NS 0 6 1 10 12%18 16|15 24 24 20 15 13 22 14 15 18 8 12 7 NS NS 3 2 4 0 11 5 6 9 13 17| 9 11 18 10 12 7 19 9 16 11 NS NS NS 6 3 1 1 NS NS NS NS 5 10 8 18| 7 15 16 11 11 11 16 10 NS NS NS NS NS NS NS 7 4 2 1 4 8 8 8 17 19| 5 17 11 13 13 9 9 16 9 15 12 9 7 20 9 4 2 5 2 5 10 8 14 16 20|27 25 20 18 14 17 11 19 14 14 14 15 8 11 11 6 0 5 %2 NS%10 17 12 %6 21| 7 9 0 9 17 13 5 NS NS NS NS NS 4 11 11 6 6 4 1 4 7 10 13 18 22|19 19 21 14 22 22 16 18 14 17 6 4 4 13 8 1 NS NS 3 2 4 8 11 11 23|17 20 12 12 18 11 17 22 27 13 8 13 9 17 10 7 2 2 2 3 8 18 15 12 24|13 5 13 13 6 4 5 6 2 11 7 8 3 NS NS NS 0 0 2 0 2 6 9 4 25|12 13 12 10 12 12 4 6 4 5 10 4 1 NS NS 1 2 0 3 2 4 6 14%14 26|16 16 15 21 6 15 15 18 %9 NS NS%20%12 NS NS NS 2 3 3 0 6 7 2 12 27|14 28 17 11 15 15 17 13 13 11 17 17 17 11 12 4 6 5 4 2 8 12 11 13 28|14 8 12 8 9 5 7 8 3 9 9 16 10 11 6 5 5 2 5 6 3 12 6 6 29|14 11 10 15 11 14 11 11 9 11 NS NS NS NS NS NS NS NS %2 1 2 12 12 8 30|14 24 20 16 18 15 16 20 25 10 9 5 NS NS NS 8 %3 - - - - - - - ---+-------------------------------------------------------------------------- Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+-------------------------------------------------------------------------- 1| 1 2| 2 1 3| 1 4| 1 1 5| 6| 1 7| 1 8| 9| 1 10| 11| 1 12| 13| 14| 1 1 15| 16| 1 1 17| 18| 19| 1 1 1 20| 1 21| 1 1 22| 2 1 1 1 1 1 1 23| 1 1 1 1 2 24| 1 25| 1 26| 27| 1 28| 1 29| 1 1 30| 1 1 1 1 ---+-------------------------------------------------------------------------- Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Notes: -: lost counts because of high noise level or machine failure. @: Hourly rate estimated by effective observation time less than 60 min. NS: unknown type of noise f: No data available due to TX or RX failure IF: Contamination due to radio noise or interference ES: Contamination due to sporadic E opening JST = UT + 9 h Masami Aihara via Hiroshi Ogawa --------------------------------------------------------------------------- Observer: Enric Fraile Algeciras Location: Centre Meteorologic de l'Alt Camp (Tarragona) (01 15' E, 41 17' N) Frequency: 48.24715 MHz Transmitter Location: Biedenkopf C2 TV, Video Frequency 48.250 MHz, ERP 100 kW, Azimuth 90 +/-65 Antenna: 3 element Yagi Azimuth 200 deg (NE), elevation 20 deg Receiver: home made converter 20 dB gain, 1 dB noise and TEN-TEC 1254. 10 dB attenuator in the receiver to reduce direct reception Sensitivity: 0.25 uV for 10 dB S/N Observing method: the audio signal of the video carrier is received using a SSB filter (2500 Hz) and fed into the PC in real time. Data sampling system: own written software "MSD" with sound card. | April 2004 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 9 4 9 11 3 8 7 16 11 7 18 13 1 | 2 5 10 4 5 3 9 6 8 14 12 11 2 | 4 5 3 1 3 7 11 12 15 17 14 3 | 5 4 10 6 2 9 7 11 14 10 17 15 4 | 1 10 12 8 17 11 12 11 8 15 23 16 5 | 8 6 13 5 13 4 6 15 12 16 26 19 6 | 7 16 10 11 2 14 25 16 13 12 30 18 7 | 16 13 20 10 16 17 6 18 22 27 31 25 8 | 4 16 25 12 16 8 14 16 23 28 22 25 9 | 11 15 8 13 14 14 20 43 34 26 29 17 10 | 15 12 13 13 8 12 11 11 19 21 23 22 11 | 16 4 13 6 4 5 11 3 19 18 16 20 6 12 | 14 3 9 8 2 9 6 10 22 9 18 22 8 13 | 8 5 10 9 11 12 16 11 21 22 21 22 16 14 | 8 12 9 15 3 15 12 16 26 26 22 17 9 15 | 4 15 10 11 5 7 7 3 13 14 12 12 11 16 | 6 6 8 9 12 12 4 7 5 14 13 11 12 17 | 6 5 5 9 4 4 4 2 9 10 13 12 10 18 | 3 8 4 1 1 5 3 9 6 6 5 8 12 19 | 3 10 1 5 5 7 10 6 11 10 14 9 9 20 | 8 3 4 2 3 3 3 4 16 11 11 10 14 21 | 8 3 12 6 8 3 7 8 6 16 16 12 20 22 | 5 5 10 8 12 4 7 10 11 17 18 16 18 23 | 12 21 9 10 9 9 13 15 19 26 10 13 16 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2004 | April 2004 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 11 22 10 13 15 43 36 10 18 8 5 10 12 6 1 | 19 11 4 11 15 9 36 7 16 9 7 7 5 5 2 | 12 12 9 6 7 10 12 11 6 7 6 4 6 5 3 | 16 19 9 9 8 15 20 25 15 4 9 9 15 23 4 | 16 15 11 20 9 24 14 10 32 24 21 16 11 11 5 | 19 29 18 28 22 21 35 26 8 11 20 15 10 25 6 | 24 25 22 17 21 18 65 29 27 22 11 18 19 28 17 7 | 34 46 22 24 58 25 55 38 20 32 17 24 31 27 20 8 | 26 30 29 31 26 23 36 30 26 17 18 23 30 16 21 9 | 30 46 37 48 35 28 25 6 22 16 11 22 20 7 10 | 19 19 17 28 19 12 10 31 15 13 13 15 7 11 | 11 28 17 19 14 18 12 10 6 7 11 18 9 12 | 17 19 45 9 19 18 12 9 6 18 13 19 10 13 | 17 32 27 17 24 22 25 26 18 21 12 24 18 14 | 21 18 10 20 12 24 17 23 14 19 27 32 13 15 | 16 14 28 16 19 95 13 12 18 10 13 17 18 12 16 | 4 12 7 7 11 15 10 9 6 8 4 16 18 6 17 | 6 6 9 8 6 29 19 6 7 6 12 12 15 3 18 | 9 6 9 9 6 11 5 10 3 9 4 5 5 2 19 | 6 9 10 6 6 4 3 7 6 8 5 4 36 2 20 | 9 6 16 11 5 15 11 10 11 14 3 6 5 6 21 | 20 12 8 16 23 13 15 14 17 13 10 3 7 7 22 | 14 10 20 9 7 23 11 13 6 12 7 11 12 5 23 | 21 12 26 14 18 40 13 17 5 13 7 14 9 5 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2004 Notes: . since 10 April there is a new PC in the radio Observatory . ? local interference or Es propagation opening . F possible F.A.I. Enric Fraile Algeciras --------------------------------------------------------------------------- Observer: Michael Boschat Location: Halifax, Canada (63 36' W, 44 39' N, 58 meters above sea level) Listening Frequency: 83.24 MHz Receiver: Icom R-10 Antenna: resonant dipole Antenna Direction: Horizontally polarized with lobes in E-W plane, elev 0 deg Filter: high-Q (Q at least 300) bandpass filter between antenna & receiver. Listening Mode: CW Recording method: listening by ear April 2004 Number of meteors heard in one hour interval | UT Apr| 10h 11 12 13 14 15 ----+----------------------- 1 | - - 16 12 - - 12 | - - 3 11 12 6 17 | - 6 6 7 5 - 18 | 3* 3* 12* 10* 14* - 19 | - 5* 10* 9* 8* - 20 | - 4* 4* 3* - - 21 | - 9* 12* 36 16 14* 22 | - - - - - - 23 | - 8* 6* 5* 9* - 24 | - - - - - - 25 | - - - 14 30 - 29 | - - 11 9 14 16 30 | - - 4 14 12 17 ----+----------------------- Apr| 10 11 12 13 14 15 | UT Notes: . no corrections for radiant position made to the counts. . ( - ) means no observations made. . * = Interference . Es = sporadic E . + = Listened for 30 minutes only. . my new location on ground level in north west part of apartment and with building being high may be affecting my hourly rates. Mike Boschat --------------------------------------------------------------------------- Observer: Jeff Brower (NK0L@amsat.org) Location: Loveland, Colorado, USA (40 22.2' N, 105 06.0' W) at 1524 meters Receiver: ICOM PRC-1000 CW mode Sensitivity: 0.32 uV for 10 dB S/N for CW mode Antenna: 1 Wavelength loop in attic - Main lobes Magnetic East & West Log periodic antenna pointing northeast, 1.5 m above ground. Frequency: 83.260 MHz Transmitter: Multiple carriers at 100 kW Computer: Dell Latitude CPXH 500GT Laptop Data sampling system: MAnalyzer-B with 100 Hz bandwidth centered on 900 Hz Meteor reflections/hour | April 2004 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 63 46 67 60 63 57 58 61 64 48 31 42 47 37 33 1 | 78 56 57 70 61 44 51 63 87 49 34 49 51 54 40 2 | 78 66 85 86 71 62 68 82 98 81 38 65 52 57 50 3 |123 118 120 156 111 96 90 111 127 92 66 72 77 81 61 4 |148 189 143 195 150 160 142 139 157 115 79 89 116 121 111 5 |193 199 171 246 182 190 161 183 186 143 92 101 150 149 117 6 |280 245 246 270 241 234 218 232 222 181 139 153 180 171 147 7 |269 284 262 317 279 269 238 215 286 209 172 171 210 220 194 8 |262 309 255 336 283 284 261 288 341 198 186 201 252 229 176 9 |255 323 278 370 290 275 288 314 289 197 179 224 260 244 212 10 |261 333 291 366 340 318 326 305 329 207 201 222 277 235 212 11 |347 332 306 403 342 323 297 318 300 225 205 205 238 202 229 12 |361 367 346 413 333 255 309 301 310 242 222 228 259 238 240 13 |342 315 321 415 385 328 295 317 310 217 202 269 296 274 259 14 |339 318 315 382 345 369 322 354 302 238 186 262 265 244 243 15 |321 385 328 398 336 401 361 351 337 233 201 266 251 280 241 16 |284 358 290 339 311 370 275 339 280 246 153 301 242 253 235 17 |266 306 280 298 290 318 276 303 271 255 118 217 236 198 208 18 |226 307 248 241 250 249 260 276 264 207 125 213 167 191 204 19 |215 230 193 205 212 236 238 197 185 153 130 151 147 142 131 20 |128 172 153 120 159 169 196 152 140 125 90 121 114 93 78 21 | 72 120 124 105 115 121 107 127 98 78 91 83 70 72 65 22 | 57 101 112 93 72 89 83 90 91 47 80 77 70 48 52 23 | 58 64 65 66 67 61 73 62 63 39 45 44 39 40 41 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2004 | April 2004 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 32 41 60 44 47 35 42 15 35 17 35 50 57 32 28 1 | 39 45 58 43 43 51 43 17 44 32 38 48 39 38 36 2 | 68 69 58 61 61 64 77 12 43 33 41 71 46 56 29 3 | 82 92 71 68 92 84 109 25 47 52 57 76 65 63 28 4 |125 111 131 115 141 136 162 30 61 68 98 122 64 70 34 5 |150 132 145 130 155 166 208 37 85 95 105 147 84 103 39 6 |147 170 190 202 179 234 249 74 134 111 153 160 123 135 62 7 |159 200 244 239 208 249 209 74 136 123 147 202 155 144 78 8 |204 215 252 249 230 266 244 106 164 135 140 191 198 138 73 9 |205 227 248 272 266 301 293 149 159 133 157 201 181 138 89 10 |227 239 271 283 277 335 320 119 165 151 212 196 195 125 86 11 |235 281 291 314 287 306 306 121 205 136 213 225 244 161 114 12 |254 304 276 341 339 337 301 122 253 144 181 237 210 129 167 13 |308 300 292 281 301 292 325 151 230 199 252 280 206 118 147 14 |248 254 336 279 275 344 348 138 234 201 260 252 243 140 158 15 |268 246 281 306 258 365 237 127 213 157 288 230 267 127 130 16 |256 248 286 277 270 353 205 149 199 140 228 232 233 149 101 17 |247 247 249 220 217 341 144 139 192 158 251 210 229 138 70 18 |215 182 222 180 173 303 77 102 142 135 192 176 150 103 62 19 |145 136 132 147 160 200 84 115 125 92 162 133 117 82 52 20 |115 102 55 110 107 125 62 69 61 76 130 89 125 52 33 21 | 77 71 91 77 96 94 26 81 54 49 92 68 74 43 25 22 | 54 67 80 56 61 58 17 48 36 44 65 63 68 56 30 23 | 53 53 55 34 48 41 17 37 17 28 46 51 41 34 19 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2004 Notes: . - System off line or down for service . DR Direct Reception such as Es, tropo . Local time is MST = UT - 7 hours Jeff Brower NK0L --------------------------------------------------------------------------- Observer: Baudoin Charue Location: Sambreville, Belgium (4 47' E, 50 27' N) Frequency: 88.25 MHz Antenna: HB9CV, azimuth = 0 deg, elevation = 30 deg Pre-Amp: Velleman K2622 22db Receiver: car radio Audiosonic PLL Synthesizer Observing method: Electronic interface on LINE (Pierre Terrier) Colorgramme WMeteor v 3.2 on P200 | March 2004 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 57 76 76 84 0 0 59 58 68 55 75 61 49 85 57 1 | 73 70 79 83 0 0 65 65 72 58 71 63 79 64 64 2 | 79 93 86 90 0 0 71 70 68 73 82 85 86 77 36 3 | 68 94 73 85 0 0 69 76 68 60 103 69 61 59 35 4 | 58 73 76 84 1 0 68 69 63 58 63 75 61 33 42 5 | 76 75 68 84 3 1 55 53 62 50 63 69 50 41 37 6 | 80 78 77 82 2 0 54 47 55 54 75 62 45 47 44 7 | 75 63 66 67 3 0 49 68 64 38 62 56 56 49 44 8 | 55 71 61 65 4 2 52 42 58 34 42 46 44 42 33 9 | 63 72 70 77 1 5 55 52 62 46 47 58 38 51 39 10 | 56 50 75 80 2 2 60 58 56 46 55 47 38 39 35 11 | 44 67 63 77 1 3 67 54 51 52 45 49 30 50 34 12 | 64 29 78 77 1 53 49 74 63 50 60 48 32 53 39 13 | 57 70 94 79 0 39 48 50 53 44 48 50 29 40 45 14 | 18 72 79 72 1 47 50 59 59 25 74 32 24 37 25 15 | 0 58 76 86 9 62 55 40 42 46 62 50 34 30 34 16 | 0 62 68 74 0 44 57 56 53 36 65 62 42 41 32 17 | 35 66 84 72 0 50 51 64 42 57 60 49 30 20 36 18 | 76 55 87 81 0 42 71 62 33 55 52 49 34 32 35 19 | 85 68 72 74 1 47 40 44 47 63 58 51 30 28 31 20 | 82 70 71 58 0 53 52 45 34 50 52 52 36 34 26 21 | 84 78 74 83 2 73 85 68 30 52 60 53 61 44 35 22 | 78 68 70 78 2 81 72 58 47 58 58 45 24 62 36 23 | 79 78 59 73 2 76 86 69 55 74 53 68 71 54 27 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | March 2004 | March 2004 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ---+--------------------------------------------------------------- 0h| 42 43 59 0 63 95 50 45 55 34 55 86 99 30 42 39 1 | 32 43 24 0 46 87 47 49 54 56 70 44 117 52 33 24 2 | 23 32 26 13 48 38 43 33 79 72 64 82 0 60 37 30 3 | 39 37 28 37 38 45 38 48 55 84 49 57 133 49 33 32 4 | 16 33 41 48 46 36 48 55 60 72 75 68 66 42 30 31 5 | 28 24 43 50 48 30 44 52 63 62 73 60 71 51 43 45 6 | 35 47 62 68 50 45 63 55 76 78 74 59 69 57 25 35 7 | 35 44 43 51 51 43 55 59 46 71 56 36 77 35 23 25 8 | 30 34 53 47 33 36 35 44 35 46 55 26 56 12 19 26 9 | 29 27 46 48 43 67 34 48 43 31 52 20 51 38 24 26 10 | 36 26 36 38 26 49 44 35 31 39 46 48 31 25 27 25 11 | 44 28 26 47 31 34 52 33 42 42 48 41 41 26 25 29 12 | 32 26 34 37 32 38 41 21 52 52 65 51 61 31 30 18 13 | 38 37 28 40 18 16 40 33 36 42 41 39 28 23 23 14 14 | 33 19 35 51 14 22 31 21 34 33 25 37 35 25 33 4 15 | 38 32 27 38 33 20 16 29 24 51 48 44 22 50 26 11 16 | 40 26 18 57 36 35 30 33 28 42 36 47 34 22 15 20 17 | 35 34 0 49 29 31 33 34 34 38 65 37 14 26 17 11 18 | 44 21 0 51 13 16 26 21 35 24 41 45 13 15 10 6 19 | 30 27 0 44 32 26 38 27 36 46 27 44 16 22 21 8 20 | 38 29 0 38 35 22 45 33 28 30 7 54 19 17 21 11 21 | 42 22 0 51 54 27 24 17 22 34 48 87 61 20 13 6 22 | 38 23 0 62 69 43 35 25 49 25 83 86 51 25 21 13 23 | 46 56 0 71 117 62 58 35 49 40 71 89 41 30 34 22 ---+--------------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | March 2004 | April 2004 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 38 26 52 43 51 67 56 49 49 48 64 38 44 43 49 1 | 41 18 59 49 54 62 68 81 48 70 35 52 42 76 66 2 | 39 36 82 47 67 58 72 93 68 66 50 53 58 59 50 3 | 38 20 51 62 69 46 40 71 48 19 44 75 55 37 43 4 | 39 38 51 61 80 64 64 73 56 21 54 79 49 59 43 5 | 39 37 32 79 59 69 67 87 51 53 63 56 59 55 50 6 | 31 27 45 69 58 56 46 46 57 39 55 54 66 39 66 7 | 27 22 35 56 30 46 55 36 38 39 53 36 33 39 56 8 | 32 27 34 36 44 50 41 26 49 31 50 33 23 29 25 9 | 30 33 71 46 34 44 37 30 29 24 37 38 35 30 36 10 | 33 24 32 41 51 55 44 42 25 24 35 36 22 35 29 11 | 27 26 23 49 45 39 46 51 18 25 44 36 26 32 14 12 | 31 17 28 36 41 35 36 41 14 17 22 54 27 22 20 13 | 22 20 27 42 31 45 41 42 21 30 46 31 25 21 29 14 | 21 29 30 19 57 53 42 33 23 30 35 46 31 47 23 15 | 16 25 42 32 24 36 47 32 22 51 51 32 28 29 25 16 | 19 27 30 41 56 42 46 35 18 53 41 30 35 17 28 17 | 21 54 34 24 40 42 42 44 36 36 47 51 28 29 14 18 | 8 20 22 15 24 31 28 31 25 50 32 29 21 25 19 19 | 15 18 26 36 33 61 24 31 22 51 41 50 25 23 23 20 | 8 8 32 27 39 39 31 31 22 67 44 48 18 32 32 21 | 12 34 39 45 32 60 36 47 39 63 61 43 52 31 32 22 | 18 32 60 65 48 30 39 39 36 107 44 63 34 24 27 23 | 18 60 45 34 51 42 51 50 35 127 57 47 46 27 58 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2004 Baudoin Charue --------------------------------------------------------------------------- Observer: Gaspard De Wilde ON4ZK Location: Dessel, Belgium (5 06' E, 51 14' N) Frequencies: 71.33 MHz (72.2 MHz) Transmitters: Tokaj, Hungary (21 25' E, 48 06' N), program 1, 71.33 MHz, 10? kW Antenna: 4 element Yagi, 7 m above ground, azimuth 100 deg Receiver and antenna home made Observing method: automated setup, 100 samples/second, 8 bit resolution. differential measurement for local noise reduction [Time and details of all individual meteor reflections are stored on file in the Ghent University format (Prometeos), and are available for further analysis]. April 2004 Raw counts of reflections with a duration of at least 0.05 s during one hour interval starting at UT: | April 2004 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 1 | 0 0 0 10 0 0 0 0 0 0 24 0 0 0 0 2 |115 100 88 11 89 123 93 135 102 111 40 10 83 93 105 3 |126 157 144 42 116 134 138 142 170 169 72 79 131 143 151 4 |125 142 150 127 135 170 201 153 169 195 157 162 168 145 156 5 |157 152 171 140 141 184 190 212 232 211 196 203 192 216 194 6 |208 160 201 174 191 199 209 210 223 189 218 243 204 221 262 7 |242 173 209 189 211 206 239 268 239 236 252 254 266 277 282 8 |209 157 190 204 173 231 185 220 268 204 263 308 268 244 282 9 |226 172 156 200 195 158 160 216 223 212 199 287 208 218 247 10 |182 156 139 170 155 203 217 189 182 185 187 213 194 191 203 11 |158 136 157 129 142 241 155 187 169 205 142 177 166 149 170 12 |135 114 101 127 115 137 135 123 123 135 123 160 147 142 138 13 |116 103 95 86 81 94 109 93 118 116 106 124 121 99 88 14 | 75 90 46 51 71 51 69 74 63 98 69 67 63 80 73 15 | 50 37 47 33 38 49 39 29 31 37 47 47 22 40 43 16 | 18 38 20 18 26 22 31 31 16 31 24 210 25 54 32 17 | 22 30 20 19 19 25 17 32 34 23 18 10 20 29 31 18 | 22 30 26 31 25 27 25 44 27 29 35 31 23 36 35 19 | 30 32 34 34 20 39 43 28 39 31 32 54 27 39 22 20 | 71 46 53 68 53 71 59 58 70 68 69 55 60 67 53 21 | 78 71 73 73 78 65 89 70 20 79 94 66 74 58 71 22 | 23 12 27 16 10 12 17 22 25 25 13 12 26 18 15 23 | 0 0 19 0 0 0 0 0 0 16 0 0 0 0 0 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2004 | April 2004 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 0 0 26 0 0 0 0 0 0 17 0 0 0 0 0 1 | 0 0 16 0 0 0 0 0 0 11 0 0 0 0 0 2 |109 122 4 114 112 134 128 143 132 10 105 125 103 124 116 3 |155 171 65 143 166 171 227 177 167 57 223 183 162 189 165 4 |215 136 145 161 193 179 314 207 102 166 293 234 222 206 234 5 |204 180 200 251 273 287 267 246 140 226 215 322 240 235 271 6 |271 239 256 230 241 266 240 294 123 277 295 370 257 244 288 7 |360 239 299 238 240 221 280 383 178 370 321 345 370 363 354 8 |329 290 303 235 313 275 330 450 281 324 297 345 389 311 431 9 |266 279 213 255 272 260 266 312 241 245 247 246 273 291 338 10 |225 244 242 219 214 199 234 254 238 188 253 192 214 238 288 11 |195 187 171 199 216 228 255 273 165 187 202 203 202 214 228 12 |159 135 184 209 138 152 177 174 187 161 153 167 169 171 176 13 | 94 123 98 168 145 122 126 150 137 106 130 136 206 168 138 14 | 66 70 67 67 71 88 89 69 87 84 91 74 107 99 82 15 | 37 59 33 22 68 40 46 46 35 36 30 48 50 31 59 16 | 21 33 29 27 23 34 54 29 21 34 29 25 40 45 59 17 | 28 14 41 13 24 47 27 17 20 36 26 30 30 37 22 18 | 34 24 34 ? 32 28 40 37 28 28 42 44 34 42 ? 19 | 28 40 41 32 47 44 44 27 32 40 43 37 47 40 12 20 | 70 60 74 61 47 106 70 51 68 44 65 72 47 42 30 21 | 83 74 96 87 92 102 80 57 68 90 83 82 75 77 62 22 | 30 48 14 29 28 23 30 7 24 28 12 15 16 20 30 23 | 0 19 9 0 0 0 0 11 15 0 0 11 0 0 85 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2004 Notes: . ? = possibly affected by Es, interference . local time = UT + 2 hours Gaspard De Wilde ----------------------------------------------------------------------------- Observer: Minoru Ehara Location: Sayama, Saitama, Japan (139.4 E, 35.8 N) Frequency: 53.750 MHz Antenna: 2 element HB9CV Transmitter Location: Fukui-NCT at Sabae city (136.2 E, 35.9 N) HAM beacon (JA9YDB) for RMO (50 W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Observing method: HROFFT software(by K. Ohkawa) manual count using HROview and HROreport (by Michinari Yamamoto) Total number of echoes Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+-------------------------------------------------------------------------- 1|NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS %5 %5 7 9 12 7 2|20 21 17 26 24 15 26 23 14 NS NS NS NS NS NS%18 NS NS NS NS NS NS NS NS 3|NS NS NS%12 13%17 16 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 10 4%14 NS%24 18 20 16 21 %9%21 12 18%23 NS 23 12 %9 6 7 13 3 4 8 11 16 5|15 17 17 18 21 18 34 23 14%17 NS NS NS NS NS NS NS NS NS 4 6 8 16 14 6|18 15 17 %8 18 13 24 16 23 15 22 NS NS NS NS NS NS NS NS 5 %2 --%16 14 7|11 17 24 14 12 23 20 19%23 15 18 NS NS NS NS NS NS NS NS NS NS 6 9 15 8|15 12 15 20 15 11 20 20%18 NS NS NS NS NS NS NS NS NS NS NS NS 12 19 7 9|16 22 24 16 15 13 11%26 NS NS NS NS NS NS NS NS NS NS NS NS %6 12 14 14 10|10 8 18 20 18 18 15%18 NS NS NS NS NS NS NS NS NS NS %5 5 8 5 15 10 11|14 17 12 17 17 12 7 21 11 12 18 16 20 NS NS NS %8 2 4 3 7 4 9 12 12|15 11 18 16 12 23 13 17 16 15 NS NS NS NS NS NS NS NS NS NS NS NS NS NS 13|NS NS%22 18 10 20 22 19 23 8 20 13 19 16 10 9 7 2 6 4 7 3 10 10 14|12 11%16%30%12 15 14 19 22%23 18 23 18 14 20 9 3 7 0 3 9%12 11 13 15|13 19 18 19 17 23 19 15 15 16 NS NS NS NS NS NS NS NS NS %2 %3 NS%12 17 16|13 20 15 20 13 14 22 17 23 NS NS NS NS NS NS NS NS NS 3 10 6 11 6%26 17| 8 12 19 7 11 25 17 19 18 NS NS NS NS NS NS NS NS NS NS NS NS NS NS%12 18%15 13 20 26 20 12 17 14%14 NS NS NS NS NS NS NS NS 6 3 2 8 9 10 14 19|11 17 8 18 17 7 17 18 15 17 18 12 18 26 15 6 7 5 6 6 8 12 15 10 20|24 16 21 16 20 17 25 16 17 22 17%14%20 NS 13 11 NS NS NS NS NS NS NS NS 21|NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS %2 NS NS 12 19 15 22|19 21 36 27 22 21 19 25 14%19 NS NS -- -- NS NS NS NS NS NS NS %5%14 12 23|12 15 13 17 19 16 16 21 16 13 7 18 13 18 9 7 12 3 3 4 9 14%12 NS 24|NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 25|18 14 19 17 15 17%18 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 19 20 26|17 16 31 25 13 28%25 NS NS NS NS NS NS NS NS NS NS NS NS NS%11 6 12 16 27|14 22 25 20 19 24 17 16 25 16 29 35 32 22 23 10 6 9 4 8 8 12 8 18 28|14 16 22 21 18 15 18 32 23 26 14 NS NS NS NS NS NS NS NS NS NS NS NS NS 29|NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 13 15 10 30|19 24 19 21 20 19 20 25%20 NS NS NS NS NS NS NS NS NS NS 2 9 10 6 12 ---+-------------------------------------------------------------------------- Apr|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+-------------------------------------------------------------------------- 1| 2| 1 1 3| 1 4| 5| 6| 1 7| 8| 1 9| 1 10| 11| 1 12| 1 13| 1 14| 1 1 15| 16| 17| 18| 19| 1 20| 2 21| 22| 1 2 1 1 23| 1 1 1 1 1 24| 25| 1 26| 1 27| 1 28| 1 29| 1 30| 1 1 1 ---+-------------------------------------------------------------------------- Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Notes: -: lost counts because of high noise level or machine failure. @: Hourly rate estimated by effective observation time less than 60 min. NS: unknown type of noise f: No data available due to TX or RX failure IF: Contamination due to radio noise or interference ES: Contamination due to sporadic E opening JST = UT + 9 h Minoru Ehara via Hiroshi Ogawa --------------------------------------------------------------------------- Observer: Kenji Fujito Location: Yokkaichi, Mie, Japan Frequency: 53.750 MHz Antenna: 2 element Comet HB9CV, zenith Receiver: ITEC HRO-RX1a Transmitter Location: Fukui-NCT at Sabae city (136.2 E, 35.9 N) HAM beacon (JA9YDB) for RMO (50 W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Observing method: HROFFT software (by K. Ohkawa) manual count using HROview and HROreport (by Michinari Yamamoto) Total number of echoes Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+-------------------------------------------------------------------------- 1| 5 6 2 8 5 7 7 12 5 4 4 0 8 1 0 3 3 0 0 0 3 2 5 4 2| 4 4 9 4 5 6 9 7 13 4 5 2 3 4 3 0 0 0 1 1 2 3 2 6 3| 4 10 7 5 9 6 7 6 15 3 1 3 3 4 3 1 0 2 1 0 2 3 7 4 4| 3 3 3 9 4 8 7 11 7 7 5 3 7 7 1 3 1 2 0 2 2 4 5 6 5| 8 14 7 8 3 3 11 8 10 1 9 3 8 4 2 1 1 1 0 1 6 3 3 2 6| 6 5 8 8 9 11 11 11 10 3 1 4 6 6 5 0 1 2 0 2 0 0 1 2 7| 4 5 4 7 4 4 8 2 10 8 3 4 1 2 0 1 0 1 1 2 1 4 4 4 8| 2 3 3 5 3 8 8 4 6 1 4 2 4 1 2 2 1 2 0 2 1 3 2 8 9| 6 5 4 9 7 5 7 15 17 7 7 1 2 1 3 1 0 4 0 1 1 2 1 1 10| 3 8 8 8 8 8 5 3 12 2 3 2 0 1 3 1 3 2 0 2 0 4 3 2 11| 2 3 2 4 4 6 10 10 8 6 1 4 1 0 0 2 1 3 2 0 3 3 6 6 12| 5 6 5 8 5 9 6 8 7 7 2 0 1 1 0 2 2 2 1 2 1 2 2 4 13| 5 6 4 4 2 7 8 3 9 2 4 3 3 4 4 3 1 2 2 0 1 0 0 2 14| 5 2 4 3 2 9 4 5 4 3 2 4 2 4 7 1 3 3 1 1 2 3 2 9 15| 4 4 7 11 7 6 3 9 10 3 1 2 0 4 6 3 4 0 0 1 2 2 4 8 16| 1 5 2 2 3 8 7 4 6 4 2 3 3 4 5 0 1 0 1 0 4 2 5 6 17| 4 4 5 4 1 2 2 4 7 8 4 3 3 3 6 1 1 2 1 3 1 2 5 6 18| 4 4 7 6 3 5 5 5 2 2 3 3 7 1 0 0 2 1 1 1 4 3 1 4 19| 1 3 2 4 3 1 2 4 2 4 4 5 5 1 2 3 1 1 2 0 4 3 8 11 20| 5 7 5 7 3 5 3 4 3 9 6 0 6 5 3 5 3 2 1 1 2 1 1 4 21| 2 4 6 5 6 6 5 6 4 1 2 1 2 1 3 2 1 0 1 5 3 4 9 10 22| 3 7 6 9 6 3 2 6 5 7 0 2 2 4 2 4 5 3 2 2 0 5 7 7 23| 9 4 8 8 10 2 10 8 5 8 3 5 4 2 4 0 3 2 1 2 0 2 3 4 24| 4 5 4 4 5 4 6 6 4 4 3 2 1 1 1 2 1 0 0 0 0 5 10 4 25| 6 11 8 5 8 9 10 13 5 3 2 3 3 4 2 1 2 0 1 1 0 3 6 6 26| 2 0 6 6 14 4 8 13 4 4 3 4 0 1 4 1 1 0 0 1 2 5 1 4 27| - - - - - - - - - - - - - - - - - - - - - - - - 28| 4 8 1 6 0 9 7 8 6 8 3 1 1 2 2 6 0 2 1 1 2 2 2 4 29| 3 2 7 2 4 6 7 5 4 1 3 4 1 2 6 2 3 0 0 0 1 1 2 2 30| 6 6 9 4 3 2 6 6 5 3 1 0 3 2 12 4 4 4 1 2 0 2 5 3 ---+-------------------------------------------------------------------------- Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+-------------------------------------------------------------------------- 1| 2| 1 1 3| 4| 5| 6| 7| 8| 9| 10| 1 11| 12| 13| 14| 15| 16| 17| 1 18| 1 19| 20| 21| 22| 23| 1 1 1 24| 25| 26| 27| 28| 1 29| 30| ---+-------------------------------------------------------------------------- Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Notes: -: lost counts because of high noise level or machine failure. @: Hourly rate estimated by effective observation time less than 60 min. NS: unknown type of noise f: No data available due to TX or RX failure IF: Contamination due to radio noise or interference ES: Contamination due to sporadic E opening JST = UT + 9 h Kenji Fujito via Hiroshi Ogawa ---------------------------------------------------------------------- Location: Astronomical Observatory, Ghent University, Belgium (ED50 coordinates: 3 42.5' E, 51 01.4' N) Antenna (2x): 4 elements horizontal Yagi, pointed east, elevation 20 deg Antenna amplifier: 10 dB gain narrow band resonance lambda/4 antenna filter Frequency: (1)=66.29 MHz (signal) and (2)=65.3 MHz (interference control) Receiver (2x): modified commercial FM receiver Data acquisition: 12 bits PC-based A/D convertor, 250 Hz sampling rate Interference rejection: dual setup: receiver (1) tuned at distant transmitter, receiver (2) tuned at empty frequency. Anti-coincidence measurement rejects registration of broadbanded spurious signals (lightning, computers, ignition motors, etc). Further information: see WWW page (additional info + observational data) http://allserv.UGent.be/~hdejongh/astro/meteor/meteor.html Data format: results are shown as total reflection time, expressed as a percentage. The actual number shows 10 times this value. When no figure is shown, the equipment was either out of service, or results could have been affected by interference, sporadic-E. % reflection time 10x | April 2004 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+------------------------------------------------------------ 0h| 28 0 0 6 25 0 0 0 5 6 1 | 0 0 0 1 18 0 0 0 0 8 2 | 2 7 2 1 5 2 7 7 5 5 2 2 6 2 2 3 | 6 10 3 16 6 15 21 10 8 4 6 15 16 13 4 | 9 4 6 7 16 14 13 31 11 10 16 30 13 34 5 | 14 8 5 17 28 6 25 23 21 26 18 18 7 13 6 | 9 18 8 8 15 12 12 6 58 14 27 13 12 7 | 14 10 9 7 15 14 30 15 9 18 29 18 29 5 17 8 | 4 3 8 11 15 6 6 20 11 10 20 21 7 11 17 9 | 13 6 15 7 9 6 4 15 11 10 20 15 8 7 14 10 | 8 6 10 5 6 10 3 3 5 7 8 11 8 5 4 11 | 4 6 15 11 12 3 12 11 16 10 26 5 7 5 12 | 6 6 4 7 6 2 6 1 7 4 9 9 6 5 2 13 | 2 2 4 1 3 1 7 3 4 3 8 3 8 2 2 14 | 1 2 3 7 3 2 0 2 1 4 4 5 2 2 1 15 | 3 1 1 2 1 1 1 9 2 2 1 2 1 1 2 16 | 0 1 1 0 1 0 0 6 1 1 1 1 2 0 17 | 1 7 1 3 1 5 5 1 4 15 4 1 1 3 2 18 | 7 8 2 1 5 6 1 13 1 15 3 3 8 7 13 19 | 5 2 1 3 2 1 5 2 1 3 4 1 3 2 1 20 | 10 4 0 2 4 2 8 1 6 5 1 4 3 3 11 21 | 8 1 1 2 1 1 0 0 1 8 0 1 2 7 0 22 | 4 8 0 0 0 6 0 2 0 0 7 1 23 | 42 0 0 0 0 1 0 0 0 1 4 ---+------------------------------------------------------------ UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2004 | April 2004 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+------------------------------------------------------------ 0h| 3 0 1 0 2 3 1 | 0 0 1 0 1 0 0 2 2 | 7 5 1 5 10 8 29 7 7 0 11 7 11 2 3 3 | 16 13 10 11 15 24 76 22 7 7 7 9 14 6 3 4 | 15 13 20 9 28 170 52 22 40 51 13 4 5 | 7 21 11 18 15 39 112 39 51 19 62 26 23 8 6 | 15 37 17 4 20 29 122 11 50 17 13 18 8 7 7 | 13 41 17 2 36 13 37 18 88 24 14 48 69 8 44 8 | 25 13 9 5 22 21 35 14 27 11 7 38 18 10 13 9 | 12 23 11 14 20 25 18 7 19 11 5 6 11 4 10 | 9 9 9 6 8 14 19 28 27 19 7 18 4 3 11 | 5 9 17 11 8 7 14 9 6 7 8 8 13 3 5 12 | 1 7 14 9 3 4 6 2 9 6 6 7 10 1 5 13 | 6 11 4 5 5 4 3 3 4 7 6 2 2 3 14 | 5 4 3 3 2 2 2 12 3 6 10 2 2 6 15 | 2 4 1 6 5 1 2 6 3 1 4 1 16 | 1 1 4 2 1 7 1 0 1 1 15 17 | 0 2 12 1 1 2 6 3 6 12 2 2 1 18 | 7 7 15 3 4 14 16 8 3 4 4 0 0 19 | 1 2 3 6 2 16 8 3 6 6 10 1 1 20 | 3 2 4 14 4 38 15 8 0 4 7 1 1 21 | 2 2 2 3 2 96 4 1 1 2 7 1 0 7 22 | 1 1 0 1 8 4 2 5 0 1 23 | 8 3 0 0 1 12 0 4 4 2 ---+------------------------------------------------------------ UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2004 Note: . removed counts due to thunder storms rather than Es Pierre De Groote --------------------------------------------------------------------------- Observer: Patrice Guérin Location: Le Pin, France (0 39.5' E, 46 51.8' N, alt 180 m) Frequency: 90.25 MHz Antenna: 5 element Yagi FM, astronomical azimuth = 40 deg (SW) Elevation = 20 deg Receiver: FM tuner Yamaha digital synthesizer TX-492RDS. Observing method: Electronic interface on LINE (Pierre Terrier) output audio signal are fed in COM1: of PC 286/12 boosted 8 MB RAM Meteor v 7.1 Software COLORGRAMME ON LINE. | April 2004 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 20 18 9 8 0 6 6 12 26 50 26 23 4 13 4 1 | 22 21 11 11 3 9 6 19 11 36 10 22 2 10 7 2 | 20 38 11 3 8 17 21 14 18 55 48 17 4 9 4 3 | 32 52 6 6 12 24 15 29 33 29 61 17 8 14 7 4 | 29 22 5 8 13 14 7 12 17 63 18 20 18 16 15 5 | 8 9 2 65 1 9 10 83 28 38 9 10 22 13 13 6 | 9 18 1 55 16 9 14 55 30 24 33 10 10 37 14 7 | 13 31 1 57 11 11 20 29 19 78 52 18 10 41 18 8 | 5 25 1 65 21 18 2 49 25 78 32 94 20 29 14 9 | 14 17 3 51 16 6 6 31 26 55 23 79 29 49 65 10 | 25 10 1 25 12 2 3 27 26 22 14 54 38 20 18 11 | 10 2 7 12 10 7 4 14 17 7 19 8 5 4 9 12 | 14 9 5 9 15 7 3 12 25 12 8 6 7 3 3 13 | 18 6 7 16 9 7 3 17 34 6 3 6 3 8 4 14 | 16 7 4 7 7 1 3 12 25 4 4 6 7 5 3 15 | 16 5 3 2 5 3 3 19 25 1 3 2 2 6 3 16 | 25 3 1 9 1 1 3 10 15 5 5 0 3 8 5 17 | 6 13 4 6 4 1 15 14 33 4 6 1 5 2 6 18 | 10 8 1 2 1 7 7 10 22 1 4 2 11 4 1 19 | 25 16 3 3 9 3 1 8 22 2 2 5 15 5 3 20 | 37 12 2 2 4 6 8 6 7 3 2 3 9 5 5 21 | 25 23 5 1 4 4 11 10 21 4 3 7 14 3 5 22 | 39 15 5 5 6 8 17 14 11 6 7 6 47 6 2 23 | 42 16 13 4 8 2 18 13 51 19 13 7 14 5 5 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2004 | April 2004 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 10 15 4 20 12 34 31 28 24 26 29 81 109 49 51 1 | 22 21 6 15 5 18 53 36 13 33 39 158 58 100 61 2 | 18 8 4 3 14 13 68 28 21 51 37 124 46 132 35 3 | 28 3 8 16 22 84 52 108 34 60 33 118 77 139 23 4 | 30 4 12 8 11 55 38 94 26 61 44 96 41 169 44 5 | 6 3 13 25 9 58 14 102 44 83 40 142 22 187 31 6 | 29 7 5 81 12 70 26 79 38 86 63 166 8 166 43 7 | 15 16 12 105 19 74 22 91 32 115 74 134 3 126 25 8 | 9 11 12 144 20 35 66 55 92 117 75 170 16 149 18 9 | 10 9 15 82 8 44 65 19 108 120 70 159 20 44 15 10 | 7 10 12 109 20 41 27 14 67 37 21 185 15 45 12 11 | 3 3 5 44 21 34 8 4 31 26 44 40 12 28 7 12 | 6 4 7 45 9 24 17 5 19 23 37 22 16 16 6 13 | 3 3 20 20 11 4 6 5 20 15 38 17 15 17 8 14 | 5 4 19 12 16 9 9 3 28 14 26 9 15 21 2 15 | 4 2 7 10 11 10 2 1 17 19 28 18 18 36 5 16 | 6 4 9 11 8 6 1 1 19 16 16 15 15 32 1 17 | 1 1 25 12 8 16 4 4 13 24 23 17 94 52 8 18 | 1 6 34 15 16 12 1 6 17 9 28 32 61 64 1 19 | 4 6 29 12 10 8 3 8 7 11 36 57 79 71 1 20 | 0 9 53 45 16 13 4 6 12 10 23 114 54 53 2 21 | 7 3 27 6 11 12 6 19 8 26 42 46 50 60 6 22 | 5 14 32 21 25 10 2 4 48 18 37 17 72 63 6 23 | 7 18 54 10 22 13 9 13 69 21 84 52 83 58 6 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2004 Patrice Guérin --------------------------------------------------------------------------- Observer: Steve Hansen Location: Amherst, Mass., USA (71.37 d W, 42.51 d N) Frequency: 88.7 MHz Antenna: Yagi, azimuth = 270 deg, Elevation = 0 deg Receiver: Icom PCR-1000 Observing method: Electronic interface on LINE (Pierre Terrier) output audio signal are fed in COM of IBM 380ED Laptop (Pentium) Threshold was set to 100 and delay at 5 seconds. Colorgramme WMeteor v 1.1 | April 2004 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 0 2 32 7 44 3 1 5 0 3 0 2 3 0 1 | 0 2 50 4 83 3 3 0 6 2 0 1 2 1 2 | 0 0 46 5 88 3 2 4 2 1 3 3 1 0 3 | 0 3 55 6 92 2 2 2 3 1 5 0 1 0 4 | 0 30 91 5 34 2 1 6 4 1 6 9 0 5 5 | 0 8 22 4 1 2 6 5 1 2 6 1 3 1 6 | 0 32 72 7 9 4 4 1 2 5 4 4 1 5 7 | 0 52 98 109 0 2 5 7 3 4 5 1 2 6 8 | 0 54 81 26 0 4 1 1 6 4 1 2 6 6 9 | 0 33 30 10 0 5 10 8 5 5 14 4 54 10 10 | 0 30 42 0 0 12 12 14 5 9 12 5 94 4 11 | 0 35 29 0 0 16 9 12 8 3 3 2 40 9 12 | 0 52 14 0 4 6 11 7 5 10 6 10 36 5 13 | 0 72 32 2 50 0 1 6 5 6 4 10 13 5 14 | 0 43 55 0 32 4 1 1 2 7 1 3 6 5 15 | 0 62 15 61 115 3 4 1 7 6 0 8 2 12 16 | 0 47 9 101 25 4 1 2 8 4 6 2 3 6 17 | 0 19 8 109 8 1 0 7 3 2 0 2 3 2 18 | 0 43 21 36 2 3 0 3 2 3 1 5 2 1 19 | 0 25 2 43 1 0 2 0 4 1 2 6 1 2 20 | 0 68 8 39 4 0 0 3 3 1 4 4 1 2 21 | 0 0 20 38 0 2 4 0 3 4 5 6 2 5 22 | 0 0 15 20 4 0 5 6 0 1 12 5 2 2 23 | 32 0 11 42 2 2 0 0 3 0 4 2 1 6 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2004 | April 2004 UT | 16 17 18 19 20 21 ---+------------------------ 0h| 5 6 0 7 2 24 1 | 3 4 1 0 3 38 2 | 8 12 2 3 1 10 3 | 3 30 1 2 0 12 4 | 4 27 1 2 0 43 5 | 6 27 0 3 1 54 6 | 4 58 1 5 1 32 7 | 5 53 6 3 1 52 8 | 5 43 22 6 0 62 9 | 8 10 22 7 0 67 10 | 18 32 57 31 6 55 11 | 2 22 20 34 11 49 12 | 7 5 24 43 0 49 13 | 10 2 5 28 3 51 14 | 3 3 4 7 5 41 15 | 7 1 4 3 4 63 16 | 1 3 5 12 1 58 17 | 3 3 14 3 2 9 18 | 4 3 7 2 2 8 19 | 4 4 23 3 2 7 20 | 5 2 8 2 3 2 21 | 3 0 14 4 3 10 22 | 6 3 11 3 3 12 23 | 3 1 3 2 6 ---+------------------------ UT | 16 17 18 19 20 21 | April 2004 Note: . after a fairly long lapse (due to remodeling the house and having to put some of the PCs away) I was back at it in April. From the 22nd through the end of the month we were away on vacation. Steve Hansen ----------------------------------------------------------------------------- Observer: Kimmo Lehtinen Location: Helsinki, Finland (24 57' E, 60 10' N) Frequency: 77.2536 MHz Antenna: 3 element Yagi, astronomical azimuth = 0 deg (South), elev = 5 deg Receiver: Winradio WR-1550e Observing method: MOP (Meteor Observation Project) | April 2004 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h|140 144 123 125 142 120 122 132 138 110 151 147 187 158 148 1 |237 207 202 186 230 228 222 243 235 193 195 203 254 228 239 2 |248 266 231 215 209 217 226 214 263 235 261 222 223 239 195 3 |253 220 221 227 206 241 234 213 219 225 268 248 228 243 194 4 |281 219 249 259 262 230 233 233 247 299 286 235 248 277 260 5 |297 294 286 296 293 284 331 293 327 312 347 281 305 299 265 6 |308 295 331 365 277 301 261 281 323 358 397 354 304 295 307 7 |382 344 369 403 327 347 304 363 389 420 392 338 342 322 328 8 |355 274 372 335 301 365 344 393 308 390 429 351 350 309 365 9 |315 293 321 377 301 335 362 363 316 364 432 382 364 318 331 10 |336 307 303 366 309 335 313 296 333 333 425 311 329 354 336 11 |298 252 281 299 303 260 293 300 288 323 293 328 325 304 317 12 |265 231 270 241 256 230 218 238 248 268 255 259 257 300 254 13 |223 187 185 215 216 167 171 201 168 243 181 224 219 185 205 14 |144 143 140 132 136 158 130 138 133 188 148 169 158 114 151 15 |121 108 121 109 97 111 94 103 112 121 108 120 108 93 126 16 | 82 80 81 87 83 91 80 84 89 107 100 109 94 92 87 17 | 90 83 92 104 85 102 77 95 104 85 88 74 89 66 86 18 |113 96 74 104 89 116 79 94 81 86 89 80 88 68 77 19 |116 100 91 95 78 110 94 89 116 101 88 117 96 83 89 20 |142 128 189 122 120 118 113 146 120 136 127 126 121 90 102 21 |179 130 153 156 109 148 127 146 145 156 118 121 155 122 126 22 |128 115 132 155 107 122 144 151 156 192 157 119 169 126 157 23 |112 97 165 151 128 104 87 126 163 149 116 145 145 67 98 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2004 | April 2004 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h|138 117 117 117 156 144 152 216 140 138 162 140 140 132 164 1 |236 194 170 109 210 238 221 299 208 200 221 239 185 240 234 2 |236 238 178 140 219 251 260 278 283 262 234 268 249 300 251 3 |224 254 222 142 246 268 271 263 254 282 225 245 267 284 249 4 |242 233 239 168 232 303 311 292 292 305 274 293 285 293 302 5 |255 254 272 257 274 307 279 323 301 259 263 340 306 345 323 6 |270 323 330 237 270 328 279 318 366 365 279 334 260 290 312 7 |349 336 327 323 351 368 335 360 361 384 343 357 318 358 381 8 |327 401 283 297 332 379 360 385 308 354 284 351 334 369 341 9 |357 316 325 335 306 422 351 362 389 317 330 396 396 361 329 10 |266 309 353 307 338 426 391 373 409 414 330 364 402 379 377 11 |338 303 310 362 291 379 340 359 368 370 338 348 400 374 370 12 |277 229 290 316 245 338 295 309 270 273 294 330 292 336 314 13 |208 180 242 228 227 235 253 230 210 213 237 262 225 255 220 14 |165 138 137 168 148 182 138 131 148 157 186 194 180 171 171 15 |102 106 113 121 113 132 105 121 125 99 114 134 144 105 134 16 | 77 82 89 103 99 105 92 88 96 89 93 117 109 92 106 17 | 66 71 65 61 73 105 82 78 76 97 85 89 93 93 97 18 | 70 81 81 103 99 111 70 78 83 83 97 85 74 82 91 19 | 79 102 99 92 90 126 106 86 89 104 84 92 84 102 89 20 |105 98 100 106 89 160 116 120 104 108 80 134 108 102 120 21 | 95 124 122 129 131 185 141 139 126 139 94 154 123 128 137 22 |133 152 95 178 159 208 158 140 137 132 78 160 122 166 150 23 |105 121 99 144 124 178 133 120 120 113 104 114 115 189 133 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2004 Kimmo Lehtinen ----------------------------------------------------------------------------- Observer: Kawaguchi Science Museum [Masahiko Matsuda] Location: Kawaguchi,Saitama,Japan (139.7 E, 35.8 N) Frequency: 53.750 MHz Transmitter Location: Fukui-NCT at Sabae city (136.2 E, 35.9 N) HAM beacon (JA9YDB) for RMO (50 W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Antenna: 5 el-Yagi (15 m height) direction 270 deg (west) Receiver: Yaesu FT-680 Observing method: using HROFFT software ver0.61 (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) Total number of echoes Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+-------------------------------------------------------------------------- 1| 8 6 7 6 1 7 7 3 7 2 5 0 0 2 0 1 1 0 1 1 5 3 7 6 2| 5 5 3 5 3 2 9 0 6 4 4 1 3 1 1 0 2 0 2 0 1 5 4 4 3| 3 8 7 4 4 5 8 12 14 13 3 1 3 4 3 0 4 0 3 2 4 2 5 6 4| 5 12 4 6 9 4 7 7 6 5 4 2 1 1 1 1 1 1 7 3 1 4 6 6 5| 8 5 4 4 3 4 15 6 5 7 3 4 1 5 %2 1 3 1 1 2 5 4 11 4 6|12 5 6 3 5 6 3 6 11 3 %4 %2 6 3 0 3 2 2 1 1 0 7 2 5 7| 3 7 1 4 7 12 12 7 13 6 4 6 2 1 2 3 1 1 1 3 0 5 6%12 8| 8 5 6 5 7 5 15 9 8 5 5 %4 5 1 2 3 3 0 4 1 7 5 4 4 9| 4 6 4 4 8 8 5 6 11 7 6 1 3 3 1 3 2 2 0 0 0 7 2 6 10| 2 3 8 6 12 9 7 7 9 6 2 2 4 2 4 2 1 1 1 3 2 3 3 4 11| 5 5 3 8 7 7 4 5 7 6 6 4 3 3 2 4 1 2 1 3 5 4 7 8 12| 8 2 7 5 9 6 7 10 6 4 5 1 6 4 0 3 2 3 3 3 2 6 4 1 13| 5 4 11 6 2 7 10 11 9 4 1 0 5 1 0 0 2 4 2 0 3 3 6 5 14| 5 3 3 5 5 9 6 7 6 9 5 2 3 3 6 2 1 4 0 1 4 5 3 5 15| 4 1 7 9 4 6 4 4 2 5 4 3 2 2 1 5 3 1 2 3 2 0 2 5 16| 6 8 6 7 7 6 13 7 8 7 6 7 0 0 4 2 0 NS %0 6 3 %8 3 7 17| 3 2 3 2 4 5 4 5 6 5 1 2 3 1 1 2 0 1 6 2 1 6 5 11 18| 4 3 4 9 8 5 9 4 6 3 1 5 1 2 2 3 3 2 2 1 6 4 7 5 19| 3 3 4 5 7 1 7 9 4 6 5 1 2 4 1 1 4 1 3 3 9 6 7 2 20|10 6 5 3 8 3 4 7 5 9 6 0 3 0 0 4 0 1 3 5 8 6 6 3 21| 9 9 4 5 4 5 9 8 2 7 3 5 2 4 2 1 2 1 1 1 2 6 5 5 22| 8 11 25 8 5 11 7 9 3 8 5 3 1 2 1 4 0 3 2 2 2 4 6 10 23| 9 11 7 6 7 10 6 13 7 2 3 3 2 2 1 1 5 0 2 4 3 7 8 5 24| 5 10 12 9 4 8 11 5 8 4 5 0 3 1 0 1 0 0 0 3 1 4 5 10 25| 7 4 5 9 8 8 10 7 6 6 4 3 1 3 1 0 3 2 2 2 3 6 7 7 26| 2 4 9 11 8 9 13 5 6 4 8 7 2 1 3 2 3 1 2 0 5 3 4 7 27| 3 9 9 4 6 12 5 6 7 4 3 3 6 2 4 0 0 3 2 6 2 7 4 8 28| 3 5 4 6 6 5 14 17 8%12 2 1 7 1 3 0 2 1 3 5 2 8 4 3 29| 8 3 6 11 7 11 7 8 4 2 4 1 3 1 1 2 2 2 2 1 0 7 4 1 30|11 9 7 7 6 8 10 10 8 7 6 4 7 3 2 4 1 2 4 0 6 2 3 3 ---+-------------------------------------------------------------------------- Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+-------------------------------------------------------------------------- 1| 1 2| 1 1 3| 1 4| 5| 6| 7| 8| 9| 10| 1 1 1 1 11| 1 12| 1 1 13| 14| 15| 16| 17| 18| 19| 1 20| 1 21| 1 22| 1 23| 1 1 1 1 24| 1 1 25| 1 26| 27| 28| 1 29| 1 1 30| 1 1 ---+-------------------------------------------------------------------------- Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Masahiko Matsuda via Hiroshi Ogawa --------------------------------------------------------------------------- Observer: Toshihide Miyake Location: Tamano, Okayama, Japan (133 53.6' E, 34 29.5' N) Frequency: 53.750 MHz Transmitter Location: Fukui-NCT at Sabae city (136.2 E, 35.9 N) HAM beacon (JA9YDB) for RMO (50 W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Antenna: 2 element loop Receiver: ICOM IC-R75 Observing method: using HROFFT software ver0.61 (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) Time Adjustment: JJY(60 kHz) every 30minutes using radio clock by Akizuki Co. software: clockkeeper (by Michinari Yamamoto) Total number of echoes Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+-------------------------------------------------------------------------- 1|10 10 16 8 10 19 12 11 18 6%13 NS%12 NS NS NS NS%16 %8 %6 9 15 11 10 2|10 15 10 8 14 13 11 11 11%10 NS NS NS NS NS NS NS NS NS 3 %6 6 11 7 3| 7 13 15 8 6 11 19 12 17 12 6%10 NS NS NS NS NS %2 %4 4 8 9 12 5 4| 7 14 8 16 13 12%14 7 13 11 9 9 8 -- -- -- -- -- -- -- %6 8 11 11 5|14 11 11 10%12 13 8 20 13 12 9 NS NS NS NS NS NS %4 6 5 7 10 12 14 6|16 15 14 12%14 11 17 13 17 8 %7%10 %5 NS NS NS NS %6 %4 3 5 12 4 12 7| 4 9 15 10 10 7 20 22 8 6 10 7 6 %1 NS %2 4 5 4 5 6 7 11 7 8| 5 13 14 13 %9 12 17 12%10%13 NS NS NS NS NS NS NS NS %2 8 3 14 4 10 9|10 17 7 13 17 16 14 12 14 NS NS NS NS NS NS NS NS NS NS 4 8 10 14 5 10|15 13 12 10 16 16 15 12 12 %8 NS NS NS NS NS NS NS NS %0 %9 8 %5 7 15 11|12 10 19 13 12 11%13 19 11 %8%12 NS %9 7 %9 6 %4 %4 6 3 %3 7 9 13 12| 8 8 15 14%11 12 16 16 8 6 9 %3 NS NS NS NS NS NS NS 2 6 12 13 8 13| 6 16 12 16 %9 14 13 16 18 6 9 NS NS NS NS NS NS NS NS NS NS 9 11 15 14|18 8 14 12%14 13 20 10 15 13 4 11 7 5 7 6 11 %0 2 4 6%10 11 15 15|12 11 16 16 16 17 19 11 13 18 8 NS NS NS NS NS NS NS NS %4 7 9 10 13 16| 8 8 21 10 17 19 25 18%19 NS NS NS NS NS NS NS NS NS %9 NS NS %8%12 %9 17%24 9 12 15 15 17 13 20%14 NS NS NS NS NS NS NS NS NS %5 4 10 19 16 21 18|14 21 16 12 16 18 13 18 13 %9 13%13 NS NS NS NS %2 %6 6 7 6 %8 NS 8 19|13 12 10 8 17 10 12 15 14 10 15 11 7 5 6 2 1 9 5 6 10 7 9 11 20|13 10 13 11 17 22 16 23 22 19%11%12 NS NS NS NS NS %9 6 8 7 12 19 13 21|12 17 9 13%20 19 21 20 19 20%25 %8 NS NS NS NS NS NS %8 5 10 12 15 15 22|18 21 25 20%14 26 26 22 27%19 NS NS NS NS NS NS NS NS NS NS NS NS 17 19 23|19 15 6 15%16 22 14 18 18 15%13 NS NS NS NS NS NS NS NS NS NS 6 14 17 24| 8 11 15 13 17 17 30 28%20%21 %9 NS%10 %9 %5 9 5 4 %8 %7%20 10 13 13 25| 9 18 13 12 19 29%23%25 21 %9 NS NS NS NS NS %6 7 5 3 1%14 13 13 20 26|12 20 12 11 19 22 21%17 NS%13%14 NS NS NS%16 6 7 5 4 2 7 7 20 16 27|15 13 14 16 13 26 17 13 15 17 7 8 %5 -- -- -- -- -- -- %5 5 13 9 23 28|12 12 13 11%11 23%20 19 %8 NS NS NS NS NS NS NS NS NS NS %8 %3 13 17 6 29|18 20 15 18 11 27%37 25 NS NS NS NS NS NS%16 NS NS %0 4 5 8 3 14 18 30|20 13 20 17 22 25 31 17 20 16 12 6 NS NS NS 4 %3 %4 4 5 9 11 19 10 ---+-------------------------------------------------------------------------- Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+-------------------------------------------------------------------------- 1| 2| 3| 1 4| 5| 6| 1 7| 1 8| 9| 10| 11| 1 12| 1 13| 1 14| 15| 1 16| 17| 18| 1 19| 20| 1 21| 1 1 22| 1 1 1 23| 24| 1 25| 26| 27| 28| 1 29| 1 30| ---+-------------------------------------------------------------------------- Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Notes: -: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. IF: Contamination due to radio noise or interference NS: unknown type of noise f: No data available due to TX or RX failure Es: Contamination due to sporadic E opening JST = UT + 9 h Toshihide Miayake via Hiroshi Ogawa --------------------------------------------------------------------------- Observer: Naoki Moriwaki Location: Kure, Hiroshima, Japan (34.2 N, 132.5 E) Frequency: 53.750 MHz Transmitter Location: Fukui-NCT at Sabae city (136.2 E, 35.9 N) HAM beacon (JA9YDB) for RMO (50 W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Antenna: original loop Receiver: ICOM IC-736 Observing method: using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) Total number of echoes Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+-------------------------------------------------------------------------- 1| 1 11 6 12 9 13 14 12 16 15 6 2 0 1 4 5 6 4 3 2 1 7 7 10 2| 3 14 7 8 7 9 12 15 6 7 2 2 0 4 3 3 1 1 3 0 1 3 9 10 3| 5 11 6 10 12 6 17 17 8 6 2 3 2 2 4 6 5 2 2 3 2 7 6 11 4|%6 8 3 6 6 6 13 13 18 -- -- -- -- -- -- -- -- -- -- -- 2 6 11 14 5| 5 7 16 10 12 11 18 18 15 13 8 5 5 2 0 0 1 0 1 1 6 13 9 14 6| 9 10 11 7 10 14 18 25 14 7 10 4 6 1 6 2 4 2 1 5 -- %4 10 12 7|12 9 10 10 10 6 16 15 14 11 5 8 3 NS NS NS%11 0 0 %3 -- 7 4 4 8| 8 17 7 4 4 8 16 14 9 10 13 5 5 5 3 4 4 3 0 %2 -- %4 8 12 9| 8 10 10 7 5 11 13 23 9 15 11 6 5 NS NS NS -- %0 1 --%14 %4 11 6 10|13 11 8 5 9 14 17 15 %7 2 9 5 3 %4 %0 1 %0 1 0 0 2 6 3 3 11|NS NS %8 13 7 11 15 8 11 7 10 1 5 0 3 2 3 3 2 3 3 5 6 3 12| 9 12 6 9 8 13 8 17 16 12 10 10 4 1 2 4 4 0 1 %1 3 6 7 7 13| 5 9 5 8 10 16 10 5 8 4 0 2 2 4 1 4 0 3 2 2 2 4 2 5 14| 2 5 8 3 9 9 14 13 13 12 14 4 1 7 0 5 5 5 2 1 %3 7 5 11 15| 8 7 9 12 10 13 12 17 13 11 NS NS NS NS NS NS NS NS NS NS %4 9 7 4 16| 7 5 7 8 8 10 12 16 11 4 7 3 2 1 1 1 3 0 2 2 5 2 6 6 17| 4 11 10 8 6 14 21 17 12 6 4 3 1 3 5 3 2 1 2 0 5 7 6 7 18| 9 10 IF IF IF IF IF IF 8 7 6 2 2 %1 8 3 1 3 2 1 3 6 8 9 19| 6 9 7 8 7 21 10 12 8 12 9 4 4 1 %5 %8 ES %4 6 %2 %5 4 5 7 20| 5 6 11 4 6 20 11 17 13 12 5 9 3 1 5 3 2 2 2 0 1 9 8 8 21| 9 10 8 19 10 18 9 15 9 15 5 7 0 3 3 6 1 6 2 0 2 4 10 9 22|11 9 17 10 6 10 19 17 15 13 8 3 1 1 0 0 0 3 2 0 3 8 5 7 23| 7 9 6 10 12 14 11 8 8 7 3 2 1 1 1 1 0 2 2 2 4 8 8 5 24| 6 10 20 7 15 19 22 19 12 4 8 2 0 2 %0 0 0 1 1 0 2 5 11 10 25|11 13 6 5 14 18 36 19 14 8 1 3 1 0 2 1 2 4 0 1 3 12 7 14 26| 8 16 8 6 12 22 10 12 13 13 11 5 0 5 7 1 4 8 2 3 %8 7 10 6 27|10 9 11 14 7 14 14 14 10 9 3 3 2 2 2 2 1 0 1 4 4 2 10 7 28| 6 3 13 6 11 21 24 23 15 2 4 1 2 1 1 2 0 1 1 4 6 6 15 10 29|15 10 8 12 14 11 28 20 11 %9 %3 6 2 1 1 1 1 0 0 1 1 5 7 8 30| 7 7 5 8 10 21 11 21 15 10 12 2 5 3 7 4 6 6 3 1 4 5 7 10 ---+-------------------------------------------------------------------------- Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+-------------------------------------------------------------------------- 1| 1 2| 1 3| 1 4| 5| 6| 1 1 7| 8| 9| 1 1 10| 11| 12| 1 13| 14| 15| 1 16| 1 17| 1 18| 19| 20| 1 21| 1 1 1 1 1 22| 1 2 1 23| 24| 1 25| 1 26| 1 1 27| 28| 1 29| 1 1 30| 1 ---+-------------------------------------------------------------------------- Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Notes: -: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. IF: Contamination due to radio noise or interference NS: unknown type of noise f: No data available due to TX or RX failure Es: Contamination due to sporadic E opening JST = UT + 9 h Naoki Moriwaki via Hiroshi Ogawa --------------------------------------------------------------------------- Observer: Kazuyuki Nagao Location: Aomori, Aomori, Japan (40.9 N, 140.9 E) Frequency: 53.750 MHz Transmitter Location: Fukui-NCT at Sabae city (136.2 E, 35.9 N) HAM beacon (JA9YDB) for RMO (50 W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Antenna: 4 element HB9CV Receiver: ICOM IC-726 Observing method: using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) Total number of echoes Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+-------------------------------------------------------------------------- 1|47 39 36 37 38 47 47 55 64 52 37 20 33 25 34 20 18 18 15 22 19 28 47 34 2|35 31 40 38 49 43 64 54 56 60 31 19 25 22 25 24 NS -- 11 9 NS NS NS NS 3|38 36 23 41 44 45 62 58 76 57 49 24 28%30%26 25 17 7 12 22 24 26 31 41 4|36 40 40 34 29 43 61%80 70 68 39 36%26 34 24 17 18 %8 18 16 25 28%34 NS 5|44 27 44 36 45 44%61%50 48 52 48 29 20 22 21 16 12 10 12 15 23 38 33 31 6|30 37 36 43 37 47 46 60 50 40%35%23 12 20 25 24 12 10 17 13 17 31 56 38 7|34 27 27 28 28 42 43 58 48 34 36 38 17 21 18 21 9 10 12 9 18 19 41 49 8|39 48 43 41 44 44 61 66 68 57 36 29 26 31 21 15 11 14 14 12 27 28 36 36 9|27 40 38 36 34 56%39 50 64 53 33 33 24 17 19 16 13 12 9 16 20 33 27 51 10|34 39 33 50 60 46 63 54 49 50 35 22 26 26 19 11 14 12 13 9 33 36 33 48 11|37 35%37 39 36 54 60 65 66 55 47 33 22 22 32%25 -- --%11 21 16 24 50 34 12|34 38 35 27%45 NS%62 50 67 47 34 27 22%22 29 22 13 8 10 12 12 19 39 34 13|23 27 NS NS NS 49 NS 47 49 49%38%22 22 30 22 21 14 8 12 19 12 20 40 39 14|40 40%33 NS NS NS NS 70 51 48 37 33 19%33 41 25 17 15 5 9 12 38 46 34 15|42 35 25 42 52 49 55 64 55 45 38 32 32 29 23 28 19 9 9 9 27 37 44 49 16|38 37 42 43%49 62%62 59 79 65 42 34 26 24 28 30 18 9 9 16 20 38 44 52 17|46 45 43 33%23 NS%59 43 47 46 33 24 28 28 34 23 24 16 12 18 25 43 48 47 18|44 27%34 43 49 69 65 75 61 49 32 30 25 22 21 22 15 15 9 8 23 35 39 37 19|50 36 33 47 37 53 80 53 52 37 41 29 23 33 32 24 20 12 9 8 15 24 34 33 20|38 41 20 37 49 74 72 71 62 60 47 19 31 25 29 22 11 9 15 14 19 32 52 46 21|49 54%34 NS NS 53%68 70 78 38 39 23 28 33 40 34 10 18 16 24 24 35 48 48 22|64 42 56 NS NS NS NS 76%58 NS NS 23 28 39 29 NS 14 13 16 13 25 22 42%56 23|NS NS NS NS NS NS NS%71 72 50 34 37 20 38 27 31 26%23 NS NS NS 23 44%35 24|NS%42 31 48 50 53%64%74 62 40 35 27 22 31 27 23 19%12 NS NS%26 45%43 NS 25|NS NS 43 43 70 65%42%71 60 52 31 24 28 34 35 26 15 9 16 9 14 27 33 NS 26|NS NS NS NS NS%72%72 79 83 80 34 40 38 37 31 31 20 12 14 18 22 41 36 55 27|43 40%50 NS%73%66 NS 48 63 57 NS NS NS 31 38 30 16 14%12 14 24 28 50 40 28|27%33 NS NS NS 67%76 66 61 68 34 17 13 30 32 22 23%18 11 18 18 36 49%36 29|NS NS NS NS NS NS NS104 51 52 50 26 33 48 38 43 19 6 18 9 26 33 52 39 30|54 52 54 53 90 76 88 76 73 50 43 NS NS NS%47 26 20 14 12 18%14%33 44 45 ---+-------------------------------------------------------------------------- Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+-------------------------------------------------------------------------- 1| 2| 1 1 1 1 1 3| 3 2 4| 5| 1 6| 1 1 7| 1 1 2 8| 1 9| 1 1 1 1 10| 1 1 1 11| 4 1 12| 1 1 1 1 13| 1 14| 1 15| 1 1 1 1 16| 4 1 1 1 1 1 17| 2 1 18| 2 1 19| 2 1 20| 1 1 2 1 21| 1 2 4 1 1 22| 2 3 2 3 1 1 1 23| 1 1 24| 1 1 1 25| 2 1 1 1 26| 1 1 27| 2 28| 1 29| 1 1 30| 2 1 1 1 ---+-------------------------------------------------------------------------- Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Notes: -: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. IF: Contamination due to radio noise or interference NS: unknown type of noise f: No data available due to TX or RX failure Es: Contamination due to sporadic E opening JST = UT + 9 h Kazuyuki Nagao via Hiroshi Ogawa --------------------------------------------------------------------------- Observer: Stan Nelson, KB5VL Location: Roswell, NM 88201 (33 26.6' N, 104 30.9' W, elev 1110 m) Receiver: Marantz TUNER ST6000 Frequency: 88.7 MHz Antenna : Radio Shack FM beam pointed north east, elev 10 Observing method: WMeteor v 3.0 Software on HP Pavilion Pentium | April 2004 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 3 18 16 43 7 0 0 16 7 20 10 35 16 6 0 1 | 5 11 18 38 10 0 0 14 13 14 22 33 15 7 0 2 | 9 8 13 0 27 0 0 31 7 13 18 23 29 22 0 3 | 4 17 25 38 21 0 0 24 23 23 34 36 21 22 0 4 | 6 7 19 60 19 0 0 22 18 27 40 29 21 35 0 5 | 5 11 16 67 24 0 0 23 19 25 41 20 22 28 0 6 | 3 13 18 59 23 0 0 50 17 11 40 26 23 31 0 7 | 5 12 24 39 15 0 0 29 38 25 42 49 22 31 0 8 | 6 14 32 60 29 0 0 25 24 20 38 43 17 25 0 9 | 4 8 39 56 27 0 0 40 24 15 39 38 18 15 0 10 | 7 10 66 59 24 0 0 35 24 15 46 38 15 22 0 11 | 5 9 48 55 27 0 0 20 20 21 25 23 13 6 0 12 | 1 10 40 64 24 0 0 20 25 21 34 29 21 8 0 13 | 3 5 25 46 17 0 0 24 22 19 16 18 8 10 0 14 | 5 5 32 59 14 0 0 11 13 19 18 12 7 7 0 15 | 2 4 12 30 25 0 0 19 11 7 9 8 3 0 0 16 | 2 1 8 22 13 0 11 102 7 4 9 1 6 3 0 17 | 2 7 11 22 11 0 3 77 2 6 14 6 2 0 0 18 | 0 1 29 21 15 0 6 12 4 2 8 2 1 0 0 19 | 0 3 35 12 0 0 4 4 3 5 9 3 3 0 0 20 | 1 3 55 5 0 0 18 5 3 11 9 6 3 0 0 21 | 5 9 61 5 0 0 11 3 7 3 15 9 7 0 0 22 | 8 18 57 12 0 0 14 9 15 4 12 13 7 0 0 23 | 11 15 43 17 0 0 23 9 11 6 23 15 11 0 0 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2004 | April 2004 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 0 12 8 9 135 15 14 5 12 9 10 19 11 14 0 1 | 0 9 11 14 133 10 15 14 10 14 12 23 8 11 0 2 | 0 14 21 9 161 21 19 13 6 13 13 28 6 18 0 3 | 0 13 17 86 160 24 10 13 14 9 15 16 16 18 0 4 | 0 38 6 111 113 30 14 14 5 13 17 29 10 21 0 5 | 0 15 19 29 27 15 19 17 16 14 30 27 11 28 0 6 | 0 57 24 31 21 11 22 29 15 14 29 30 30 30 0 7 | 0 14 11 90 20 22 27 18 24 23 18 32 26 30 0 8 | 0 22 25 157 14 26 22 22 13 21 18 22 31 24 0 9 | 0 0 13 176 31 14 15 22 17 27 20 13 21 15 0 10 | 0 0 13 119 26 19 23 16 16 11 29 21 14 15 0 11 | 20 0 22 7 14 21 10 9 13 14 27 17 11 14 0 12 | 19 0 4 13 14 14 16 18 9 12 36 12 6 10 0 13 | 12 0 13 15 15 12 10 17 11 7 18 10 10 11 0 14 | 12 0 6 8 9 5 13 12 8 7 8 10 9 5 0 15 | 10 8 4 3 3 10 4 2 9 2 6 8 8 7 0 16 | 6 6 3 3 4 1 7 2 4 1 7 4 4 6 0 17 | 3 1 1 2 3 3 3 3 1 5 3 3 5 2 0 18 | 2 3 3 4 2 5 1 2 2 2 2 1 0 1 0 19 | 1 2 1 0 0 0 3 5 1 2 1 3 3 1 0 20 | 4 5 2 0 2 1 7 4 3 3 7 2 3 0 0 21 | 7 2 2 4 4 0 4 6 3 2 9 2 10 3 0 22 | 4 4 5 5 6 11 3 10 4 4 7 4 9 4 0 23 | 11 6 23 7 4 12 7 9 11 12 16 6 12 3 0 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2004 Stan Nelson --------------------------------------------------------------------------- Observer: Sadao Okamoto Location: Damine Meteor Observatory, Japan (137.53 E, 35.07 N) Location: Nissin site at Nissin City (137.024 E, 35.12 N, Height=30 m) Transmitter: HAM beacon (JA9YDB) for RMO (50 W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification. Antenna: 2 element Cross Yagi 4 dBi aiming to Zenith. Omni-directional in azimuth and elevation above 15 deg elevation. Location: Fukui-NCT at Sabae city (136.2 E, 35.9 N) At present time more than 100 observers are listing for Kimio Maegawa's 53.75 MHz beacon. Receiver: IC575 Antenna : 2 element HB9CV, pointed to the zenith Observing method: HROFFT and HROview software, manual count. Total number of echoes 2004 Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 LT Apr| 15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+--------------------------------------------------------------------------- 1 |%13 IF 27 17%27 IF IF 19%13 17 27%15%11%20 %8%11 IF %8 %7 %4 %6 8 6 14 2 | 28 33 34 30 34 31 43 26 32 21 38 18%19 IF -- IF IF IF %2 %4 5 9 11 17 3 | 22 32 24 26 21%18 28 25 27 20 21 28 IF%28 13 %5 IF %4 5 6 7 6 14 19 4 |%12 IF 22 IF 20%22 35 27 25 26 22 15 17 21 13 7 5 5 1 4 2 6 7 12 5 | 14 21 25 32 20 27 30%19%24 IF%18%10 %9 IF IF 6 %6 6 8 8 6 10 11 21 6 | 25 20 20 22 23 25 24 34%15 27%22%14%11 12 7 %4 %3 %7 5 7 9 5 4 8 7 | 11 11 11 8 13 21 31 20 24 15 18%11 IF IF %4%13 5 6 3 2 5 11 6 14 8 | 17 32 21 29 15 15 13%22 19%15 9 %9 IF IF IF%18 %6 %5 3 %2 10 12 11%10 9 | 12 19 34 27 25 38 30 28 26%18 24 17 16 15%12%10 %3 %0 %5 6 %4%13%22%18 10 | 24 24 24 27 27 26 34%34 IF IF 8 12 %6%13%10%12 IF %6 %8 2 6 9 7 12 11 | 16 19 21 19 30 29 35 19 21 26 19 12 IF%12 13 %9%10 %4 4 6 5 5 11 16 12 | 17 37 27 39 20 41 34%20 26 20 18%12%11 %6 7 %6 IF IF IF 4 7%10%10 18 13 | 24 24 16 15 20 12 18 16 13%20%23 23 13 14 19 %8 IF %3 %4 3 4 5 10 19 14 | 22 19 17 25%12 20 35 36 49%21 11 21 18 23 12 8%11 %8 6 5 7 6 %6%73 15 | 9 13 13 12 20 24 25 27 31 12%11 %6 11 9%14 9 3 5 4 13 5 5 11 14 16 | 9 12 19 14 12 19 43 26 21 26 22 18 18 %9 8 8 8 IF %5 7 %5 %3 8 14 17 | 13 10 19 20 20 14 26 26 19 33%13%17 10 IF IF IF IF %1 %2 5 7 7 7 8 18 | 18 23 24 22 30 23 31 24 27 24 20 24 IF%14 12 12 8 8 5 2 10 13 7 14 19 | 10 23 15 26 19 17 34 23 15 17 21 20 14 18 9%11%14 9 7 4 12 10 6 25 20 | 21 22 30 25 32 32 36 26 19 25 31 14 23 16 11 10 4 4 2 2 2 5 3 7 21 | 10 12 19 16 15 23 27 23 26 14 9 8 7 7 10 IF %4 %7 IF 8 %7 10 9 13 22 | 21 41 56 40 34%22 43 29 IF IF%12%10 8 %5 6 %6 %5 6 5 5 2 6 8 13 23 | 20 27 25 30 18%17 29 19 22 20 26 24 IF IF%10 IF %6 %2 2 4 1 1 2 6 24 | 7 10 12 23 24 19 25 11 14 16 10 3 7 IF IF %0 IF IF %8 1 5 8 12 12 25 | 13 25 26 15 24 19 36 28 19%20 13 17 19 9 7 4 2 4 4 0 5 14 9 25 26 | 22 14 24 25 18 20 17 16 11%12 14 13 10 9 %6 %6 2 %6 7 9 8 9 4 10 27 | 23 38 19 30 40 32 42 40 49 52 34 30 26 23%12 IF %7 3 4 7 2 12 4 10 28 | 13 18 15 10 19%15 32 25 28 IF IF%13 IF IF IF 8 IF %8 IF 3 4 9 15 29 29 | 23 26 32 30 31 38 47 IF IF 23 27 35%30 18 12 9 %8 %7 %6 4%20 13 17 12 30 | 22 30 30 38 38 37 47%33%25%17%18 14%14%11 IF %9 %5 4 IF 9 11 11 9 18 ---+--------------------------------------------------------------------------- Apr| 15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 LT 2004 Echoes with duration > 20 s 2004 Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 LT Apr| 15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+--------------------------------------------------------------------------- 1 | 2 | 1 3 | 1 1 4 | 1 5 | 1 6 | 1 7 | 1 8 | 1 9 | 2 10 | 1 2 11 | 12 | 1 1 13 | 14 | 1 15 | 16 | 17 | 1 18 | 1 19 | 20 | 1 21 | 1 22 | 1 1 1 1 23 | 1 1 1 1 1 24 | 25 | 1 26 | 27 | 1 28 | 1 29 | 2 30 | ---+--------------------------------------------------------------------------- Apr| 15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 LT 2004 Notes: the maximum of the Lyrids activity fell on April 22. -: lost counts because of high noise level or machine failure @: Hourly rate estimated by effective observation time less than 60 min n: Contamination due to radio noise or interference IF: Contamination due to radio noise or interference ES: Contamination due to sporadic E opening f: No data available due to TX or RX failure LT = JST = UT + 9 hours Sadao Okamoto --------------------------------------------------------------------------- Observer: Mike Otte Location: Pearl City, IL, USA (42 N, 90 W) Frequency: 88.1 MHz Antenna : 4 elem Yagi pointed south west, elev 45 deg Receiver: car radio Observing method: Colorgramme WMeteor v 3.2 Total Counts | April 2004 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 5 2 4 4 0 0 2 2 1 4 2 4 2 1 1 1 | 3 3 1 2 0 1 1 1 0 1 1 4 2 1 0 2 | 5 1 8 1 0 6 2 2 3 0 3 0 0 4 0 3 | 9 2 1 4 0 6 3 0 4 3 6 6 9 5 3 4 | 10 5 4 3 0 5 3 1 2 0 4 2 4 0 3 5 | 4 3 5 7 0 5 4 3 1 3 1 5 52 2 1 6 | 8 11 12 0 0 5 1 0 4 3 5 10 35 3 2 7 | 3 6 9 0 0 8 4 5 3 7 3 7 70 5 1 8 | 1 3 3 0 0 3 9 8 6 4 6 25 22 3 4 9 | 0 3 5 0 0 3 2 16 4 9 24 56 38 7 5 10 | 2 8 10 0 33 7 10 2 3 2 27 79 76 8 12 11 | 21 17 13 0 51 12 9 4 8 2 23 79 69 9 9 12 | 8 15 25 0 43 3 6 1 4 4 25 32 21 1 2 13 | 6 8 8 0 44 2 8 0 17 3 6 5 4 2 6 14 | 0 4 2 0 5 1 2 0 4 2 4 2 4 9 2 15 | 1 2 1 0 13 7 9 0 1 0 0 3 2 5 2 16 | 1 4 0 0 0 1 0 0 1 2 0 2 1 1 2 17 | 1 0 1 0 7 3 2 1 0 1 2 3 5 2 0 18 | 0 0 1 0 0 1 0 3 2 2 0 3 2 1 1 19 | 0 1 1 0 3 1 1 2 0 2 1 1 1 1 0 20 | 3 0 1 0 1 0 0 0 0 2 0 0 0 0 0 21 | 0 0 0 0 1 0 1 1 1 0 1 2 1 0 1 22 | 2 0 0 0 0 1 0 0 0 0 1 3 1 2 0 23 | 1 2 1 0 3 2 1 11 1 4 3 6 1 0 1 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2004 | April 2004 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 2 3 0 3 1 4 14 2 0 4 1 1 1 2 5 1 | 2 1 1 1 2 2 2 2 1 1 4 1 4 2 3 2 | 2 1 0 1 2 4 2 4 1 0 2 0 2 1 2 3 | 1 3 0 0 9 24 9 7 1 2 9 5 18 5 8 4 | 3 0 1 0 2 4 2 13 8 3 11 2 10 4 4 5 | 1 2 1 0 8 24 6 20 40 1 6 3 20 3 2 6 | 0 25 1 0 9 19 5 10 19 1 6 3 13 0 1 7 | 1 3 1 0 8 3 2 14 14 4 13 5 20 5 4 8 | 0 0 1 1 1 1 1 12 10 3 5 1 8 4 0 9 | 3 10 2 1 6 2 22 15 17 4 10 4 5 4 2 10 | 6 7 5 1 7 6 4 30 13 2 18 10 11 3 10 11 | 3 7 2 1 9 5 6 18 16 5 10 7 5 1 5 12 | 2 2 0 1 1 4 6 9 8 6 11 4 2 2 2 13 | 2 9 2 2 3 3 8 7 14 3 16 2 9 1 1 14 | 0 3 2 3 3 5 7 2 3 1 5 8 2 2 2 15 | 3 4 0 3 4 11 3 2 1 4 11 12 6 1 2 16 | 3 0 1 2 1 3 3 0 5 0 3 6 1 1 3 17 | 3 2 0 4 5 4 7 3 3 2 1 5 2 2 8 18 | 0 0 1 0 0 2 1 4 3 1 1 1 1 2 2 19 | 1 0 2 1 2 1 1 1 0 2 4 5 2 3 2 20 | 1 0 0 2 1 1 2 0 0 0 1 1 0 0 3 21 | 3 0 1 1 2 7 7 2 6 5 1 5 1 1 13 22 | 2 0 2 4 5 1 4 0 2 4 1 2 2 0 13 23 | 1 0 0 3 7 5 9 6 7 2 3 9 1 8 14 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2004 Mike Otte --------------------------------------------------------------------------- Observer: Shigeo Sambe Location: Sapporo, Hokkaido, Japan (43.7 N, 141.3 E) Frequency: 53.750 MHz Transmitter Location: Fukui-NCT at Sabae city (136.2 E, 35.9 N) HAM beacon (JA9YDB) for RMO (50 W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Antenna: 4 element HB9CV (H = 13 m) Receiver: ICOM IC-R75 Observing method: using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) Total number of echoes Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+-------------------------------------------------------------------------- 1|24 21 30 45 27 39 54 50 62 55 38 25 28%25 11%12 9 4 5 12 21 25 32 35 2|54 42 39 55 42 53 55 46 56 49 35 21 9%11 8 3 2 5 8 7 14 11 22 25 3|14 22 24 34 26 36 37 51 - - - - - - - - - - - - - - - - 4| - - - - - - - -%59 64%48 NS NS NS NS NS NS NS 13 16 14 29 24 37 5|42 31 45 49 36 50 65 38 69 NS NS NS NS NS NS NS%14%11 8 8 17 30 42 33 6|37 40 40 35%32 NS NS%46 43 65 46 27 26 18 14 15 NS %8 6 9 16 27 46 47 7|45 28 38 42 51 48 55 72 57 61 39%24%19%15%18%16 10 14 15 17 16 34%45 52 8|61 54 49 33%53 56 64%86 45%49 NS%36 NS%20 19%16 13 10 9 8 18 23 38 40 9%52 46 39 43 36 NS NS NS%82%65%37 22%20 16 12%12 %9%12%16 11 20 22%40 54 10|48 39 51 42 42 54 59%53 NS%56 NS%28%22%25%18%12%14 11 10 5 16 26 38 47 11|51 46 36 51 42 66 62 64 62%74 NS NS NS NS NS NS%21 15 11 16 21 43 34 49 12|53 38 46 53 50 52 68 72 62%40 29 25 20 14 15%18 14 5 7 10 14%24%34 29 13|42 40 48 38 48 56 64 70 78 65 40 NS NS NS NS NS NS NS NS NS NS NS NS NS 14|43 43 46 34 53 52 73 74 71%49 38 20 25 16%16 NS NS NS%10 9 19 26 33 33 15|61 43 44 47 51 65 72 NS NS NS NS NS NS NS NS%12 NS 10 13 7 17 23 35 49 16|47 57 34 52 50 52%54 81%66 NS NS NS NS%11%17 NS%13 7 %9 12 21 36 48 37 17|56 54 52 50 57 57 64 60 47%45%39 18 15 19 24%10 16 10 %6 9 14%32 38 49 18|57 46 51 42 42 60 65 86 66 55 42 24 18%16 19 13 7 9 14 16 15 30 35 57 19|47 36 48 49 53 63 75 71 67%69%36 25 19 14 15 10%10 9 6 10 16 22 37 52 20|50 51 43 44 46 67 80 83%65 47%29%29 26 14 12 12 17 %6 15 13%18%32%24%53 21|50 33 40 44 45 50 75 78 81%60 NS 25 10 25 15 16 8 10 8 13 20 40 46 59 22|55 75106%53 54 84 97 75107 NS%44 20%16 14%29 8 12 9 11 8 15%23 NS 53 23|53 55 41 50 51 69 58 91 61 56%34 NS NS NS NS%14%14 8 12 8 16 35 42 45 24|49 41 49 49 53 70 83 85 73%60 NS 20 24 NS%20 NS NS NS 13 22 22 24%47 58 25%41 48 48 36 70 70 74 78 60%78 50%23 13%15 13 10 9%12%14 15 19 26 43 54 26|43 58 56 45 49 91 74 74 62%49 NS NS NS NS NS NS NS NS%14 16 24 24 29 48 27|43 47 56 55 68 79 71 95 79%66%41 NS NS NS NS%24%27 9 20 27 23 27 41 57 28|53 34 43 28 54 72 75%72 82 NS NS NS NS%26%23 14 15 16 11 12%25 33 30 38 29|47 53 45 58 69 74 82132 84%40 NS NS NS%26 NS NS NS 6 7 5 30 17 36 45 30|49 60 45 54 66 76 73 82 57 NS NS NS NS 29 22%17%15 NS NS NS 11 31 32%48 ---+-------------------------------------------------------------------------- Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+-------------------------------------------------------------------------- 1| 1 2| 3| 2 4| 1 5| 1 6| 1 7| 1 8| 1 1 1 9| 1 1 10| 1 11| 1 2 1 12| 4 1 1 13| 1 14| 2 1 15| 1 1 1 16| 1 1 1 17| 18| 1 1 1 19| 2 1 1 1 20| 1 1 1 21| 1 1 1 1 1 1 22| 1 5 1 1 1 1 1 1 23| 1 1 2 2 2 24| 1 1 25| 1 1 1 1 26| 1 1 1 1 1 27| 2 1 28| 1 29| 2 1 30| 1 1 ---+-------------------------------------------------------------------------- Apr|15h16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Notes: -: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. IF: Contamination due to radio noise or interference NS: unknown type of noise f: No data available due to TX or RX failure Es: Contamination due to sporadic E opening JST = UT + 9 h Shigeo Sambe via Hiroshi Ogawa --------------------------------------------------------------------------- Observer: Robert Savard Location: Sherbrooke Québec Canada (45d 25' N, 71 d 55' W) Frequency: 107.7 MHz radio signal condition is good Antenna : HB9CV beam 90 MHz 330 deg az elevated 0 deg above horizon Receiver: Car radio Blaupunkt SQR28 Observing method: Colorgramme WMeteor v 3.2 software running on Pentium II | April 2004 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 50 0 6 22 5 0 17 13 16 0 16 20 18 20 4 1 | 10 0 16 7 6 3 5 8 9 11 13 13 7 9 2 2 | 5 0 4 13 2 10 11 8 1 5 11 3 2 3 1 3 | 5 13 15 4 8 8 8 10 8 9 5 11 5 6 2 4 | 3 2 5 4 5 2 3 8 2 6 4 6 4 6 3 5 | 6 15 3 2 5 6 5 5 2 4 3 6 4 0 1 6 | 6 4 7 2 3 10 8 0 3 9 8 9 7 1 1 7 | 1 1 1 3 3 3 2 4 4 2 2 7 4 5 3 8 | 6 4 4 6 5 8 3 3 3 5 9 9 6 1 3 9 | 4 4 4 9 10 6 8 6 8 5 7 6 2 6 6 10 | 6 4 3 10 10 12 20 14 7 10 3 11 3 7 2 11 | 9 9 11 10 17 10 31 12 12 9 6 17 4 6 12 12 | 2 8 11 20 16 11 33 9 9 9 15 23 14 13 10 13 | 14 18 15 17 13 11 9 10 8 5 8 9 8 9 9 14 | 6 8 9 13 13 8 4 15 7 5 10 11 9 5 14 15 | 19 13 14 6 13 12 10 13 6 9 12 10 15 11 14 16 | 19 9 17 13 9 13 5 6 9 7 15 5 12 9 17 17 | 17 13 16 17 17 8 13 8 11 7 18 11 7 8 7 18 | 21 12 12 6 17 14 14 11 14 7 17 9 15 2 3 19 | 15 12 7 3 5 4 6 14 5 4 9 6 5 2 1 20 | 4 9 5 13 10 6 3 2 32 1 9 1 4 3 4 21 | 11 8 3 10 20 7 15 15 13 8 13 18 21 12 17 22 | 0 17 2 4 11 6 14 8 19 7 9 21 9 9 5 23 | 19 1 10 10 13 8 18 9 22 23 8 10 13 6 6 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2004 | April 2004 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 17 25 10 0 12 13 18 20 0 13 11 23 25 22 2 1 | 4 11 13 8 18 2 11 3 3 0 4 7 9 9 6 2 | 9 4 4 17 2 4 5 2 9 4 13 3 6 1 2 3 | 2 3 9 7 17 7 13 5 8 5 8 6 4 9 5 4 | 2 4 5 7 2 9 5 0 2 8 2 5 8 1 6 5 | 3 3 4 7 5 7 7 3 5 1 2 5 5 6 5 6 | 3 5 2 5 0 5 3 4 6 1 6 3 4 5 1 7 | 5 6 2 1 1 16 9 3 9 5 4 3 2 6 2 8 | 2 26 1 8 16 4 2 6 8 3 8 7 4 4 4 9 | 3 9 8 4 10 9 9 5 4 6 5 8 4 15 3 10 | 12 11 8 9 8 5 9 16 8 12 11 12 12 20 11 11 | 6 13 21 8 7 1 10 21 0 19 6 14 10 10 9 12 | 11 0 0 8 12 17 8 17 0 18 18 27 12 16 6 13 | 11 0 17 5 8 13 11 12 7 10 15 9 15 16 9 14 | 18 10 5 2 8 18 7 11 19 6 16 7 7 12 6 15 | 8 25 22 8 14 17 20 14 12 10 13 12 12 16 13 16 | 7 8 14 5 11 20 7 8 11 6 17 12 17 19 2 17 | 6 18 8 9 11 7 5 14 13 19 4 10 15 11 4 18 | 8 4 22 9 9 12 18 11 11 4 11 15 10 8 7 19 | 5 6 8 3 2 9 3 16 4 2 2 6 6 8 7 20 | 5 1 8 5 5 5 5 2 1 5 12 8 12 5 3 21 | 11 8 10 10 8 16 16 11 9 19 13 15 15 8 10 22 | 8 11 14 7 8 6 10 19 9 9 7 1 11 8 1 23 | 14 13 18 4 6 4 12 20 6 12 9 13 5 1 0 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2004 Note: . radio signal quality is good Robert Savard --------------------------------------------------------------------------- Observer: Marcel Schneider Location: Schifflange, Luxembourg, (6 01' E, 49 30' N ) Frequency: 62.2400 MHz new frequency Antenna: 5 element Yagi, Receiver: Uniden UBC 220 XLT new scanner: PSR-225 (500 channels/ 115.000 frequencies) Observing method: software DOS Meteor v8.1 running on PC 386SX 25 MHz | March 2004 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 2 0 73 3 15 41 10 9 18 1 68 111 73 4 1 | 0 79 1 3 73 20 1 19 0 1 2 1 8 2 | 3 0 73 4 6 73 4 17 143 67 63 117 100 52 3 | 0 74 2 11 74 61 42 133 73 73 115 107 69 4 | 5 73 13 50 73 26 23 120 61 77 99 74 33 5 | 17 75 5 93 73 37 22 106 4 47 126 40 28 6 | 23 73 25 47 73 24 20 78 18 46 43 80 33 7 | 38 77 39 64 78 20 15 94 35 90 41 143 69 8 | 54 0 82 8 29 102 10 7 78 60 120 0 38 39 9 | 25 10 75 18 18 0 27 45 24 10 67 51 11 2 10 | 39 2 74 12 58 3 9 1 87 66 141 75 13 72 11 | 0 0 2 27 75 13 82 5 73 161 54 73 184 68 12 | 0 0 73 7 77 50 70 19 12 44 3 17 184 28 13 | 8 0 21 10 80 56 20 0 130 30 3 29 103 24 14 | 21 0 18 28 20 62 13 3 0 50 25 2 48 56 11 15 | 21 0 49 89 31 72 38 17 14 90 86 1 58 14 57 16 | 31 1 105 90 32 82 10 80 94 91 126 23 41 34 28 17 | 32 1 95 34 31 82 33 61 110 68 150 25 47 43 33 18 | 10 0 94 37 28 12 55 41 110 102 152 71 111 43 2 19 | 22 64 29 71 18 11 3 29 85 28 92 24 132 17 2 20 | 15 30 0 50 26 3 18 52 202 72 38 6 113 24 3 21 | 26 47 94 33 54 4 4 46 27 127 81 14 26 29 11 22 | 34 34 74 20 35 1 55 9 11 31 69 77 3 49 6 23 | 2 4 74 39 21 6 34 57 13 98 32 82 40 3 46 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | March 2004 | March 2004 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ---+--------------------------------------------------------------- 0h| 27 74 9 29 66 81 2 0 8 42 28 3 52 0 0 0 1 | 27 1 1 5 0 3 0 1 7 6 4 2 84 3 28 2 2 |122 93 11 71 74 41 29 61 96 97 55 25 98 0 39 39 3 | 93 91 41 50 62 86 18 85 80 55 43 36 110 0 32 20 4 | 80 62 21 41 87 29 15 47 101 59 63 20 19 9 16 46 5 |102 91 45 28 87 14 19 29 110 26 41 90 51 112 19 61 6 | 78 126 46 42 21 48 18 107 112 39 43 108 75 99 26 13 7 | 90 88 42 55 74 97 43 113 77 48 62 75 30 31 24 22 8 | 46 44 44 32 1 1 12 89 43 65 45 10 6 10 8 8 9 | 37 40 10 10 55 39 6 81 106 7 7 61 25 0 104 50 10 |122 117 30 52 52 27 31 44 97 17 32 73 4 8 175 89 11 |109 140 64 73 55 51 40 161 83 99 96 57 173 37 50 7 12 | 47 55 4 8 0 51 54 52 70 62 48 37 113 49 160 49 13 | 25 0 66 17 24 0 67 102 26 178 36 48 3 50 97 44 14 | 86 16 17 16 90 6 54 77 25 99 56 136 63 31 69 19 15 |109 75 28 34 93 23 91 65 6 52 43 86 27 40 85 23 16 |100 94 22 30 104 9 69 10 36 4 43 112 55 238 93 13 17 |134 95 39 37 80 19 85 8 44 69 55 4 38 211 84 8 18 |112 15 27 57 43 16 66 24 78 94 61 5 50 229 54 3 19 | 68 12 53 25 43 4 40 12 36 81 38 12 35 32 62 33 20 |133 34 23 41 24 0 27 42 127 41 48 39 47 33 18 36 21 | 89 29 98 21 103 10 15 29 126 51 20 12 161 15 19 32 22 | 50 8 34 27 43 26 23 20 24 20 68 9 133 36 1 2 23 | 25 29 59 54 65 0 21 2 50 58 14 17 74 53 1 3 ---+--------------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | March 2004 Note: . new frequency starting March 2004 Marcel Schneider --------------------------------------------------------------------------- Observer: Dave Swan Location: Christchurch UK (50.47 N 1.44 W) Receiver 1: Pro 2006 (modified to give a carrier detected output for Chessell 301 pen recorder). Detected signal level > 23 dBm Antenna: 5 element Yagi Gain 7.5 dBd. Azimuth 210 deg elevation 10 deg. Antenna relocated and RG 213 low loss cable installed on July 28, 2001. This removed a -2 dB loss from the antenna and feeder system. Frequency: 55.25 MHz Transmitter: TV channel E3 (video) Portugal; transmitter Lousa; distance ~ 1250 km Computer: AST 486 Notebook with Meteor v 7.1 software | April 2004 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 34 50 57 30 46 53 46 42 34 42 45 26 40 56 61 1 | 47 48 54 49 42 51 80 49 39 57 48 51 66 65 56 2 | 44 53 64 63 60 63 53 80 69 57 49 48 58 70 55 3 | 89 63 66 52 66 72 69 61 69 67 61 60 62 71 66 4 | 71 66 59 48 59 53 71 75 74 55 57 46 59 62 21 5 | 55 71 64 62 75 47 63 63 67 76 77 52 47 43 49 6 | 56 48 50 55 57 54 42 53 57 73 42 46 61 55 61 7 | 83 85 46 45 70 71 75 52 99 54 72 55 92 98 59 8 |105 83 94 67 91 87 104 85 92 68 81 90 89 103 103 9 |106 108 72 86 70 80 82 113 108 93 87 88 89 88 96 10 | 81 103 57 82 89 72 81 77 83 109 106 95 90 95 81 11 | 64 82 70 66 61 65 81 70 65 90 79 79 74 71 78 12 | 96 62 84 39 65 66 63 66 66 84 84 90 86 78 75 13 | 64 78 68 47 62 44 71 74 72 74 68 87 53 62 68 14 | 51 64 61 49 49 38 49 60 71 70 56 69 47 67 43 15 | 55 35 49 36 36 27 50 36 35 64 48 42 45 51 41 16 | 25 30 23 31 20 14 27 38 21 41 24 24 24 29 19 17 | 16 26 0 19 14 11 17 22 18 21 13 14 26 19 22 18 | 20 15 0 18 13 12 20 15 18 16 16 19 19 11 13 19 | 9 15 14 15 13 26 24 17 15 23 12 15 16 14 10 20 | 20 17 27 16 11 17 15 16 17 13 16 17 9 11 11 21 | 22 36 20 41 22 21 23 18 19 25 20 30 24 22 16 22 | 35 52 27 27 33 39 32 34 40 26 35 34 39 36 32 23 | 46 52 26 31 21 35 44 42 39 53 43 43 60 36 26 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2004 | April 2004 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 30 51 61 56 48 65 88 48 35 48 38 60 33 46 62 1 | 36 55 50 41 52 61 78 49 60 52 48 52 45 47 81 2 | 59 45 57 55 63 76 84 46 57 58 50 48 39 59 85 3 | 61 69 68 56 57 77 84 63 60 65 67 50 78 67 101 4 | 78 61 61 49 69 75 81 77 59 54 57 86 82 71 94 5 | 50 73 69 86 77 78 88 85 64 79 69 65 85 88 77 6 | 64 75 84 55 81 72 103 83 85 54 102 90 91 71 143 7 | 81 75 83 80 83 83 122 100 111 73 115 110 90 117 155 8 | 86 74 119 83 97 96 128 88 95 86 109 94 107 126 142 9 |110 95 107 93 78 103 110 88 83 93 100 109 124 121 137 10 | 99 97 88 73 86 97 107 84 91 87 89 80 84 117 96 11 | 87 74 89 78 78 89 93 59 81 71 85 82 73 118 148 12 | 87 66 108 80 94 95 110 62 100 88 136 100 95 119 118 13 | 75 98 91 74 99 87 107 87 78 98 104 94 166 123 116 14 | 74 60 73 74 64 69 76 74 82 96 66 0 0 93 96 15 | 69 62 43 37 55 60 71 48 49 64 64 0 0 65 85 16 | 33 40 26 35 26 33 32 0 38 28 43 33 56 41 39 17 | 19 28 21 22 19 23 14 19 25 13 28 32 23 28 28 18 | 14 15 10 17 21 17 20 16 19 12 23 10 17 25 34 19 | 20 15 16 18 16 26 15 20 10 11 11 6 17 17 28 20 | 22 20 20 3 22 14 17 22 14 8 7 17 10 10 37 21 | 31 32 23 20 28 37 20 24 24 26 24 33 18 50 47 22 | 24 40 44 26 40 66 25 42 36 36 45 32 41 50 60 23 | 35 50 30 37 36 66 40 60 40 45 32 29 57 63 58 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2004 Receiver 2: AR-3000A Antenna: 2 ele yagi Azimuth 120 deg elevation 45 deg. Antenna relocated and RG 213 low loss cable installed on July 28, 2001. This removed a -2 dB loss from the antenna and feeder system. Frequency: 62.1927 MHz Transmitter: TV channel E3 (video) Portugal; transmitter Lousa; distance ~ 1250 km Computer: Pentium 366 MHz Observing Method: HROFFT 1 v 1f, manual count | April 2004 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h|207 178 215 208 224 270 239 182 246 247 261 254 230 218 211 1 |157 199 233 239 219 219 194 222 237 235 254 231 228 184 219 2 |178 213 170 203 225 195 198 233 243 226 187 214 208 182 217 3 |183 167 198 200 205 213 206 222 210 201 221 224 234 204 223 4 |190 189 191 198 179 186 214 202 226 206 198 204 207 218 217 5 |186 180 192 196 207 242 260 218 195 224 228 219 220 236 225 6 |190 180 235 256 220 259 226 231 310 238 244 258 241 220 232 7 |243 222 264 271 288 258 273 274 294 284 268 299 266 234 290 8 |222 222 238 225 243 241 263 270 292 298 220 227 280 263 297 9 |229 198 252 239 255 284 273 272 275 300 214 262 281 252 316 10 |217 202 246 278 242 234 267 225 276 278 233 284 189 224 240 11 |202 183 222 213 219 211 215 206 239 251 239 274 205 236 229 12 |162 171 174 179 181 204 188 213 217 207 220 250 205 214 188 13 |131 127 153 173 175 155 154 178 169 193 170 188 156 161 157 14 | 94 115 128 138 138 100 130 123 117 144 150 167 110 141 123 15 | 67 82 72 91 112 92 81 101 115 98 111 131 99 99 82 16 | 66 72 75 71 77 89 81 92 80 69 71 102 94 100 81 17 | 56 49 0 70 75 70 56 75 68 71 68 82 77 78 64 18 | 64 66 0 82 65 73 69 78 71 79 65 84 85 87 76 19 | 70 78 0 100 70 83 88 100 100 65 80 88 67 85 70 20 |100 80 108 94 109 100 112 111 113 93 105 110 89 93 95 21 |112 127 150 120 144 136 125 123 157 135 135 140 121 146 142 22 |150 160 195 195 137 156 167 168 193 164 157 165 150 199 174 23 |158 209 223 206 246 202 212 242 224 229 231 232 202 188 198 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2004 | April 2004 UT | 16 17 18 19 20 21 22 23 24 25 26 ---+------------------------------------------- 0h|276 217 252 238 235 255 228 233 228 232 220 1 |239 236 258 266 219 254 264 207 276 281 239 2 |230 239 225 216 234 210 283 234 229 241 236 3 |203 241 213 242 229 233 253 237 213 239 236 4 |185 221 207 238 240 259 275 259 242 216 257 5 |209 233 224 268 280 244 308 291 258 262 261 6 |250 242 277 279 296 274 302 288 285 269 281 7 |286 258 287 305 285 285 300 300 306 266 266 8 |245 255 283 334 290 306 276 314 319 288 290 9 |284 283 297 330 338 294 291 289 301 297 315 10 |257 265 296 279 289 259 303 264 312 312 259 11 |236 267 246 249 233 274 263 227 300 260 254 12 |201 219 211 225 263 232 240 214 243 213 218 13 |171 198 166 190 214 173 200 175 183 220 14 |121 141 132 125 161 129 138 170 141 147 15 | 89 102 95 116 115 103 113 109 111 96 16 | 77 66 77 80 120 81 77 86 77 66 17 | 48 62 49 83 72 90 65 64 68 59 18 | 74 60 88 90 72 82 87 73 59 86 19 | 86 86 108 78 85 86 94 90 70 111 20 |105 94 130 114 91 111 104 96 112 133 21 |143 150 147 147 169 157 144 158 164 116 22 |202 178 216 184 150 208 185 174 168 173 23 |242 221 239 186 221 249 250 213 220 182 ---+------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 | April 2004 Notes: . E = Sporadic E . Au = Aurora . data has been corrected for Sporadic-E . the Lyrids on the 22 April show an increase in hourly counts of approx 20 per hour from 02 - 08 hours for both the 55 & 62 MHz systems. Meteors with durations greater than 20 seconds indicate a small peak from 03 - 05 hours on the 62 MHz system. . the 62 MHz system has been switched because of local electrical interference. Dave Swan --------------------------------------------------------------------------- Observer: Istvan Tepliczky Location: Tata, Hungary (47 40' E, 18 24' N) Frequency: 95.6 MHz Antenna: 4 element Yagi (100 MHz), horizontal polarisation, azimuth SW, elevation 0 deg., antenna head amplifier 15-20 dB gain Receiver: Videoton RT-7300S Observing method: Electronic interface on LINE output audio signal are fed in COM port of a PC. METEOR v 8.0 version processes the signal and records on hard disk the time of the events. Number of meteors in one hour intervals | April 2004 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+------------------------------------------------------------ 0h| 17 23 14 15 15 19 18 22 21 23 18 19 30 19 1 | 15 16 16 17 27 17 21 19 23 18 27 16 25 23 2 | 27 12 14 30 19 12 16 19 27 30 21 29 27 24 3 | 12 13 12 21 30 16 19 20 43 17 19 20 31 34 4 | 9 14 21 27 21 13 15 17 18 29 21 24 34 19 23 5 | 11 20 14 24 21 30 20 33 25 33 15 23 29 30 36 6 | 15 13 17 25 51 23 19 19 32 23 23 28 41 28 37 7 | 13 12 21 17 23 13 15 25 36 23 23 27 43 34 34 8 | 20 22 26 24 33 22 22 21 32 32 25 32 23 28 42 9 | 10 13 35 11 39 28 23 20 38 28 43 50 38 38 22 10 | 15 12 16 18 32 28 25 8 20 29 30 26 38 24 27 11 | 10 15 20 10 22 20 27 19 25 38 30 31 41 25 31 12 | 7 13 17 6 23 26 13 41 15 12 26 31 44 25 13 | 14 16 11 10 28 16 24 38 30 25 37 34 43 30 14 | 10 24 11 3 29 16 17 25 17 21 28 33 33 32 15 | 12 8 10 18 20 15 19 20 39 30 19 26 22 24 16 | 13 14 16 35 35 43 14 30 27 41 42 34 50 45 17 | 7 7 15 13 13 10 16 14 9 14 25 22 19 24 18 | 7 7 13 18 16 11 16 7 9 11 11 31 14 13 19 | 6 15 19 19 19 14 12 11 20 25 26 23 18 12 20 | 8 9 13 19 11 16 12 18 16 14 20 17 19 20 21 | 15 14 16 20 19 11 15 35 16 30 25 33 21 15 22 | 10 19 6 14 16 22 24 23 21 24 28 22 23 14 23 | 12 13 7 14 13 21 22 19 18 28 16 23 11 22 ---+------------------------------------------------------------ UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2004 | April 2004 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+------------------------------------------------------------ 0 | 28 21 20 27 28 33 49 28 26 5 24 23 21 21 20 1 | 17 23 26 23 28 39 33 32 25 10 32 21 24 13 27 2 | 11 23 22 24 30 29 34 22 32 8 30 22 34 21 29 3 | 25 26 24 41 45 29 43 32 29 12 21 31 28 21 25 4 | 29 30 23 30 33 33 25 41 38 8 35 25 37 28 22 5 | 23 37 28 53 55 42 45 43 33 13 36 31 39 24 38 6 | 38 37 29 55 45 43 53 38 85 16 31 30 42 36 37 7 | 26 30 40 48 49 64 34 50 57 14 34 40 40 36 27 8 | 41 24 29 35 52 28 37 43 48 17 45 29 35 43 36 9 | 48 42 29 62 56 51 62 50 39 9 42 30 44 45 48 10 | 27 30 29 48 36 34 43 41 37 16 40 21 28 30 37 11 | 47 34 28 30 34 40 41 57 46 27 33 22 29 33 46 12 | 31 28 34 35 40 39 54 46 46 11 39 39 31 38 34 13 | 38 33 41 42 62 34 64 69 38 19 45 43 36 44 38 14 | 33 29 50 42 40 29 35 47 43 31 34 32 33 30 37 15 | 24 28 29 39 49 30 45 35 31 27 21 21 19 31 25 16 | 32 39 42 43 49 37 51 54 50 34 38 35 45 29 39 17 | 17 18 16 26 24 21 33 30 23 20 17 21 46 14 12 18 | 14 11 29 34 22 26 30 20 22 18 13 17 19 18 18 19 | 20 26 16 35 29 41 35 37 21 20 17 30 24 32 19 20 | 22 12 19 45 27 31 24 24 20 21 33 15 17 20 22 21 | 21 23 27 24 31 33 33 31 29 24 30 16 21 20 22 | 23 25 28 30 19 38 45 33 9 21 16 27 12 26 23 23 | 25 21 29 33 34 46 40 39 5 21 20 28 14 26 15 ---+------------------------------------------------------------ UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2004 Istvan Tepliczky via Szabolcs Kiss --------------------------------------------------------------------------- Observer: Yung Cheich (Garfield) Tsao (BM2EQB) Location: LonTan Observatory LonTan, TauYan, Taiwan R.O.C. (121 14.6' E, 24 52.9' N by GPS) Frequency: 50.0169 MHz USB mode 3 kHz width. Antenna: Comet made 50 MHz Yagi HB 4 element (gain 10.3 dBi) astronomical azimuth 225 deg (=NE), elevation 7 deg. Transmitter: MIYAZAKI University Japan, USB mode, 50 W (24 hours), distance about 1125 km from Lon Tan. Receiver: Icom R-75 all band receiver Sensitivity: 0.25 uV for 10 dB S/N for USB mode Observing method: the beacon 1000 Hz voice signal (by FFTDSP) is received by a low frequency filter (1000 Hz) and fed into the D/A converter and computer in real time. Data sampling system: using an 8 bits A/D card to PC/AT and Qbasic program with 1/8 second sampling interval to store the> 1.0 s reflections. April 2004 2004| UT Apr | 00h01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 ----+------------------------------------------------------------------------ 18 | 6 5 7 4 5 2 4 4 4 5 In In 4 6 3 5 In 3 7 6 4 9 8 19 | 6 1 6 3 5 4 5 5 6 3 4 2 5 5 7 6 5 8 7 8 6 1 8 11 20 | 6 6 5 4 3 4 6 4 4 3 4 4 5 4 5 8 7 5 7 7 4 1 6 6 21 | 3 4 4 5 4 3 4 6 3 6 3 3 2 4 7 8 8 8 6 7 6 7 12 1 22 | In 6 5 4 5 6 5 4 5 6 5 4 4 6 4 4 4 4 5 6 4 6 9 7 23 | 6 4 6 5 7 5 6 5 4 4 4 5 6 4 5 5 3 3 4 6 5 7 7 7 24 | 8 In 8 5 4 8 6 3 In In 3 4 3 4 5 8 6 4 5 5 4 5 6 8 25 | In 8 ----+------------------------------------------------------------------------ Apr | 00h01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 2004| UT Notes: . "In" (local) artificial interference. . "Es" = sporadic E layer mode of reflection. . local time = UT + 8 hours Yung Cheich (Garfield) Tsao 2. ABOUT THE RMOB The RMOB is an independent initiative of some workers in the field of radio meteor scatter observations and data reduction. It started in August 1993 in order to spread the Perseid results via E-mail. Since then, it has appeared monthly, and it has gradually been expanded. In regularly publishing summaries of observations, potential radio observers are kept up to date of existing installations, possibilities and limitations of radio meteor observations. In the long run, there should be sufficient observing stations to cover the whole globe, allowing to detect stream outbursts which may remain unnoticed visually. RMOB contains typically: summaries of previous month's observations, equipment data, first results of stream activity by radio methods, relations between radio and optical meteors, references to other publications in the field of meteor astronomy and radio scatter techniques, announcements of meetings, short questions and answers, links to interesting web sites. Contributors are mentioned, and interested persons are asked to contact them directly. RMOB can be copied freely in unabridged and unmodified form. Extracts should indicate the source (Radio Meteor Obs Bulletin, month and year). If you want to subscribe (or un-subscribe) to the E-mail distribution list, please send a message to C. Steyaert. 3. CONTRIBUTORS / USEFUL ADDRESSES Arima High School Saitama, Saitama, Japan Masami Aihara Yokohama, Kanagawa, Japan Enric Fraile Algeciras (EA3BTZ) C/ Moianes 19-21 Esc. A 6º 1ª, E Barcelona mailto:e.fraile@telefonica.net http://www.telefonica.net/web/enricfraile (in Spanish) Michael Boschat Royal Astronomical Society of Canada - Halifax Center 6306 Cork St., Apt.110, Halifax, Nova Scotia Canada B3L 1Z1 mailto:aa063@chebucto.ns.ca http://www.atm.dal.ca/~boschat Jeff Brower Loveland, Colorado, USA mailto:NK0L@amsat.org Baudoin Charue Sambreville, Belgium mailto:bcharue@brutele.be Maurice De Meyere (ON4NU) Hullekensstraat 24, B-9831 Deurle, Belgium mailto:maur1234@planetinternet.be Gaspard De Wilde (ON4ZK) Dessel, Belgium mailto:on4zk@vt4.net Thierry Duhagon Observatoire Planétarium des Monts de Guéret Station de Nuit de l'association Francaise d'Astronomie mailto:parcanimalier.montsdegueret@wanadoo.fr Minoru Ehara Sayama, Saitama, Japan David Entwistle mailto:david@d-entwistle.fsnet.co.uk http://www.d-entwistle.fsnet.co.uk/Results/Months/ Kenji Fujito Yokkaichi, Mie, Japan Valter Gennaro Fenics Group FVG, Italy mailto:vgennar@mail.nauta.it Ghent University, Astronomical Observatory Krijgslaan 281(S9), B-9000 Gent, Belgium mailto:pierre.de.groote@pandora.be, mailto:paul_vauterin@applied-maths.com Patrice Guérin La Chapelle, 79140 Le Pin, France mailto:astro03947@wanadoo.fr Peter Jenniskens SETI Institute, USA mailto:pjenniskens@mail.arc.nasa.gov Global-MS-Net: http://leonid.arc.nasa.gov/GlobalMSNet/index.html Kimmo Lehtinen Helsinki, Finland http://www.astro.helsinki.fi/~lehtinen Masahiko Matsuda Kawaguchi, Saitama, Japan Alastair McBeath IMO: International Meteor Organization 12A Prior's Walk, Morpeth, Northumberland, NE61 2RF, England, U.K. mailto:vice_president@imo.net Toshihide Miyake Okayama, Japan mailto:to-miyake@mx31.tiki.ne.jp Naoki Moriwaki Kure, Hiroshima, Japan Kazuyuki Nagao Aomori, Aomori, Japan Stan Nelson, KB5VL Roswell, NM 88201, USA mailto:sanelson@starband.net Hiroshi Ogawa University of Tsukuba, Japan mailto:HZH02257@nifty.ne.jp Radio Meteor Obs. http://homepage2.nifty.com/~baron/ Sadao Okamoto mailto:a9a5yr@bma.biglobe.ne.jp Mike Otte W9YS 5001 S Koch Rd Pearl City, IL 61062 USA mailto:motte@aeroinc.net TianJing Ouyang (TIAOU) Wuhan, Hubei Province, P. R. of China mailto:oy4481@163.com Shigeo Sambe Sapporo, Hokkaido, Japan Robert Savard Sherbrooke Quebec Canada mailto:rs@sympatico.ca http://www.r-savard.ca (in French only) Marcel Schneider Schifflange, Luxembourg mailto:schneima@pt.lu Hironobu Shida Akita, Akita, Japan SKiYMET Radar ALOMAR Observatory Norway mailto:weiss@iap-kborn.de http://www.iap-kborn.de/radar/Radars/ALWIN/index_eng.htm Chris Steyaert Kruisven 66, B-2400 Mol, Belgium mailto:observations@rmob.org Hirofumi Sugimoto Saitama, Saitama, Japan Dave Swan Christchurch, UK mailto:dave@radiodesignservices.co.uk http://www.radiodesignservices.co.uk Istvan Tepliczky Budapest, Hungary mailto:tepi@mcse.hu Pierre Terrier Canet (close to Montpellier), France mailto:pierre.terrier@free.fr http://members.tripod.com/~astro_electronic/index.html Meteor & Colorgramme web site: http://page.to/meteor/ Visual RMOB web site: http://visualrmob.free.fr/ Meteor mailing list: mailto:meteor-request@ml.free.fr?subject=subscribe Garfield Tsao (BM2EQB) LonTan Observatory, LonTan, TauYan, Taiwan mailto:tsao5916@ms17.hinet.net http://www.geocities.com/Eureka/Office/1528 (in Chinese) http://www.tsao5916.com Michinari Yamamoto Sayo, Hyogo, Japan Ilkka Yrjölä Kuusankoski, Finland http://www.kolumbus.fi/oh5iy Ham Call: OH5IY -- Christian Steyaert (RMOB0404) 8 May 2004 --