Radio Meteor Observation Bulletin No. 338 www.rmob.org September 2021 1. GLOBAL OBSERVATIONS Observer: Associazione Astrofili Veneziani "AAV" Planetario di Venezia Location: Venezia, Italy (12 22' E, 45 25' N) Frequency: 143.05 MHz Graves Receiver: Yaesu FT-817 Antenna: Yagi 6 elements Antenna Direction: elev 20 deg, azimuth 294 deg (W) Computer: Pentium + XP Observing method: Spectrumlab + Colorgramme RMOB Lab v 3.0 | September 2021 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h|207 202 189 191 174 174 134 175 167 209 206 178 150 188 159 1 |214 235 221 221 223 219 215 192 215 200 191 196 220 220 178 2 |198 182 180 169 175 173 175 159 161 177 182 169 175 183 174 3 |157 181 182 187 168 181 178 167 160 164 182 168 153 178 170 4 |156 192 166 170 170 175 163 171 174 159 179 159 119 167 159 5 |194 177 159 188 201 189 171 161 165 164 175 185 152 193 150 6 |146 173 145 168 169 181 175 148 170 143 154 178 131 180 177 7 |169 186 155 181 188 156 165 155 176 188 178 158 144 173 164 8 |164 153 164 173 156 171 153 163 163 163 155 189 153 153 165 9 |155 157 163 164 175 162 143 144 137 157 158 170 146 178 139 10 |134 159 145 170 170 154 129 155 163 167 157 152 157 165 141 11 |145 162 174 186 152 115 126 153 148 134 160 164 146 154 150 12 |125 133 123 137 155 120 141 131 128 134 174 152 145 95 128 13 |130 143 114 140 144 117 119 118 116 115 118 143 143 23 122 14 |114 109 87 137 132 105 96 93 116 112 119 99 143 113 141 15 |120 107 76 3 136 96 108 74 84 112 126 102 132 117 107 16 | 84 83 112 98 121 105 65 69 82 101 105 91 110 98 108 17 | 95 81 108 113 139 89 92 70 83 80 114 99 71 79 104 18 | 98 89 122 114 131 127 81 108 98 112 104 110 88 97 118 19 |126 142 134 140 141 133 111 119 116 142 123 129 119 137 138 20 |160 152 151 144 147 123 152 132 142 160 127 150 162 147 138 21 |169 189 190 151 156 144 137 131 144 149 145 154 190 155 173 22 |165 156 194 162 160 152 164 177 147 172 159 183 157 127 153 23 |203 168 198 188 167 143 148 167 204 200 170 172 179 143 152 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | September 2021 | September 2021 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h|176 113 129 120 106 118 137 128 1 |193 135 137 125 105 123 121 141 2 |178 174 137 135 118 144 134 150 3 |181 132 150 134 131 146 126 151 4 |157 130 118 134 124 145 135 149 5 |128 113 137 132 121 149 145 6 |113 115 113 112 149 149 144 7 |154 119 147 142 133 152 8 |163 113 107 55 152 162 149 9 |150 110 114 122 131 130 126 36 10 |140 103 102 118 138 120 112 86 11 |119 117 109 102 125 124 113 79 12 |114 105 123 94 139 122 120 86 13 | 92 116 104 104 138 116 117 59 14 | 94 90 108 101 100 109 95 62 15 | 87 91 82 91 92 110 77 0 16 | 80 74 65 66 96 80 79 53 17 | 82 68 72 67 97 100 74 52 18 | 81 79 68 77 120 113 91 58 19 | 79 100 72 86 112 93 87 70 20 |109 91 98 89 91 97 97 53 21 | 91 98 102 87 126 127 102 64 22 | 99 99 91 100 98 88 86 52 23 |122 107 120 100 120 95 95 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | September 2021 Note: . reduction of output from GRAVES starting Sep 14. Enrico Stomeo --------------------------------------------------------------------------- Observer: Salvador Aguirre Location: Hillo, Sonora, Mexico (110 57' W, 29 06' N) Frequency: 54.309 MHz Receiver: RTL-sdr Antenna: Moxon 6-Meter Antenna Direction: elev 0 deg, azimuth 340 deg Computer: HP 2.50GHz, 8GB RAM, Windows10 Observing method: Colorgramme RMOB Lab v 3.0 | September 2021 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 0 30 32 16 16 7 19 19 19 23 2 22 60 9 1 | 12 20 13 11 15 24 18 14 14 20 7 6 56 23 2 | 18 23 15 17 14 19 29 31 20 13 18 11 16 21 15 3 | 18 29 40 33 26 42 22 13 17 13 30 11 44 26 28 4 | 29 29 16 22 18 24 24 20 21 14 21 17 22 26 16 5 | 36 17 19 20 15 39 18 22 17 13 14 9 20 15 22 6 | 39 38 25 51 33 32 39 32 31 33 34 20 16 32 7 | 53 30 53 49 33 38 57 55 23 33 27 125 32 17 8 | 41 53 56 71 33 53 47 47 46 33 23 36 35 9 | 60 69 102 56 61 64 72 63 51 58 27 41 58 10 | 65 65 38 61 52 64 72 58 64 120 32 33 53 47 11 | 74 75 70 53 62 76 49 51 56 46 78 37 41 41 51 12 |106 77 67 78 102 87 85 97 79 58 75 47 48 47 58 13 | 82 19 73 75 73 90 94 107 104 54 122 48 56 67 67 14 | 72 90 44 94 85 87 97 92 93 64 88 77 72 63 70 15 |108 94 58 42 162 80 96 53 40 63 51 33 114 77 49 16 | 49 60 52 34 61 40 68 150 4 43 104 53 54 40 43 17 | 57 61 49 67 43 50 38 60 16 65 56 37 53 25 34 18 | 58 50 37 68 51 40 28 54 36 43 31 39 37 37 29 19 | 39 36 40 36 40 51 90 49 74 98 44 43 60 47 91 20 | 66 30 35 57 77 50 45 41 47 57 43 45 36 39 2 21 | 42 41 35 47 28 37 32 26 31 33 23 39 53 36 20 22 | 40 28 28 39 18 36 38 0 34 39 36 40 20 30 23 | 40 21 19 22 21 23 23 26 1 1 25 12 15 15 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | September 2021 | September 2021 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 26 11 12 17 13 14 10 10 14 10 4 15 12 12 17 1 | 17 9 8 9 23 13 20 9 21 11 14 6 13 15 6 2 | 15 10 9 12 10 14 20 11 12 5 14 16 9 13 18 3 | 12 16 10 16 14 9 30 16 13 8 19 22 23 9 15 4 | 21 6 10 11 15 13 19 16 8 18 10 12 13 11 12 5 | 15 11 17 13 6 23 32 10 18 11 9 11 9 13 9 6 | 20 22 9 18 7 24 17 16 15 32 35 21 15 10 11 7 | 19 15 16 24 26 25 35 16 23 18 15 25 27 20 30 8 | 49 35 18 23 24 30 33 19 17 39 22 34 41 26 34 9 | 38 46 49 33 32 59 40 33 40 31 34 46 36 36 43 10 | 48 47 31 52 36 54 64 35 41 38 42 69 47 53 47 11 | 47 52 41 37 46 47 50 25 30 32 27 39 37 73 36 12 | 90 54 46 113 73 66 81 39 49 47 40 47 53 52 59 13 | 83 36 31 107 28 90 93 81 70 47 43 46 37 49 51 14 | 33 50 53 66 64 90 118 27 35 51 39 48 5 46 29 15 | 47 51 39 49 39 59 79 12 33 78 30 56 2 40 31 16 | 44 50 17 54 40 70 53 25 23 33 29 56 52 48 35 17 | 45 65 27 38 36 54 67 38 26 27 41 50 49 44 52 18 | 0 25 24 37 50 30 46 44 36 43 28 49 44 34 68 19 | 0 75 33 54 42 8 48 58 32 25 44 25 48 41 35 20 | 40 26 17 51 58 44 50 42 40 31 34 40 37 42 49 21 | 24 39 28 36 30 29 39 38 28 38 31 30 31 19 33 22 | 24 32 13 33 21 33 22 29 24 23 16 16 19 23 1 23 | 12 14 12 3 18 14 16 21 22 15 13 13 18 11 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | September 2021 Salvador Aguirre --------------------------------------------------------------------------- Observer: Mario Bombardini Location: Faenza, Italy (11 54' E, 44 17' N) Frequency: 143.05 MHz Graves USB Receiver: YAESU FT-857 Antenna: DIAMOND A144S5R Antenna Direction: elev 20 deg, azimuth 300 deg (NW) Computer: ASUS P5KPL-SE win10 Observing method: Spectrumlab + Colorgramme RMOB Lab v 3.0 | September 2021 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 87 56 101 51 44 72 52 80 63 77 47 46 76 103 74 1 | 87 79 114 51 43 82 88 89 90 91 40 39 92 72 92 2 | 93 99 104 70 50 89 86 87 83 85 61 57 115 98 92 3 |103 93 116 104 63 78 88 89 80 99 60 59 111 61 75 4 |108 89 87 99 87 76 82 93 93 94 64 75 92 51 59 5 |116 112 92 103 92 97 90 87 104 105 84 89 53 46 64 6 | 98 109 102 85 110 108 106 95 102 104 100 100 44 46 43 7 | 83 103 101 98 90 72 90 93 103 90 101 101 52 52 61 8 |100 102 112 81 99 94 76 96 83 90 83 119 53 51 38 9 |107 58 96 103 78 81 85 94 102 87 90 95 32 66 41 10 | 80 76 76 80 79 89 79 90 89 97 90 89 48 42 53 11 | 72 95 82 97 77 72 73 84 85 73 86 71 52 41 45 12 | 79 85 86 94 81 78 64 88 92 88 104 103 51 52 51 13 | 78 81 83 97 86 88 77 75 74 101 89 90 44 43 84 14 | 75 88 104 81 76 80 75 79 92 75 76 79 75 28 72 15 | 74 82 76 72 70 69 81 58 90 70 62 67 45 70 74 16 | 74 70 73 69 64 68 93 65 61 62 57 77 49 73 63 17 | 63 61 65 66 88 70 71 59 70 61 64 60 55 50 47 18 | 71 65 57 60 49 58 52 54 50 33 29 64 50 43 44 19 | 51 55 54 46 35 43 47 43 36 32 26 37 55 64 70 20 | 38 68 38 34 47 53 60 26 57 42 40 63 55 66 51 21 | 43 67 30 41 68 69 56 32 62 38 40 60 49 66 64 22 | 39 73 39 42 60 64 61 43 70 35 39 76 73 70 57 23 | 43 68 36 42 78 59 63 65 70 27 35 71 76 69 72 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | September 2021 | September 2021 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 72 49 24 34 37 52 60 43 67 38 41 69 79 65 63 1 | 91 56 32 31 65 60 57 56 77 43 38 76 90 92 82 2 |107 54 42 33 54 86 69 80 79 87 60 90 85 90 72 3 | 84 61 31 32 54 72 76 72 94 94 64 99 82 92 4 | 44 44 43 32 73 70 67 79 80 96 98 116 108 96 5 | 54 28 57 56 56 66 56 61 59 101 71 78 106 80 80 6 | 33 29 57 75 42 35 37 33 38 98 70 54 51 46 62 7 | 34 36 68 66 35 32 26 43 50 80 95 45 59 58 68 8 | 49 32 56 70 35 33 26 33 58 83 84 49 54 51 62 9 | 38 39 60 60 26 34 27 26 48 59 85 51 46 52 48 10 | 45 30 62 70 27 23 30 26 63 86 87 41 37 44 50 11 | 36 30 52 79 29 37 30 37 57 101 60 53 46 58 52 12 | 33 33 64 74 38 44 33 33 41 84 81 44 59 40 58 13 | 80 64 66 59 33 43 34 44 44 92 80 36 54 40 65 14 | 72 63 54 70 23 32 22 30 42 100 63 53 33 27 40 15 | 42 44 89 50 36 23 27 34 34 100 74 33 43 43 33 16 | 26 47 119 33 26 18 24 35 47 72 49 30 35 31 28 17 | 24 23 39 28 7 20 38 48 75 38 61 24 34 49 46 18 | 22 19 29 32 22 28 18 40 51 38 65 48 54 47 50 19 | 17 12 23 27 24 27 14 42 24 37 55 65 42 59 69 20 | 17 19 19 16 14 43 30 38 38 35 39 61 28 57 36 21 | 15 16 25 14 36 41 41 30 30 33 43 75 41 50 60 22 | 28 14 16 32 44 44 34 31 47 33 47 57 55 55 56 23 | 66 19 25 43 38 55 35 57 39 38 62 69 67 58 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | September 2021 Mario Bombardini --------------------------------------------------------------- Observer: Michael Boschat Location: Halifax, Canada (63 36' W, 44 36' N, 60 meters above sea level) Listening Frequency: 77.251 MHz Receiver: Icom R-20 Antenna: resonant dipole Antenna Direction: Horizontally polarized to 250 deg with lobes in N-S plane, elev 0 deg Filter: high-Q (Q at least 300) bandpass filter between antenna & receiver. Listening Mode: CW Recording method: Viewing Spectrumlab on laptop and listening by ear Number of meteors heard in one hour interval | September 2021 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 11h| 60 42 26 36 50 50 64 28 21 34 23 60 35 15 - 12 | 55 54 30 42 20 30 30 33 41 38 32 43 28 27 40 13 | 48 48 46 42 30 38 38 41 34 60 36 50 20 - 42 14 | - 32 33 38 42 15 31 20 52 36 28 - 53 - - 15 | 27 - - 45 26 28 42 27 34 - 36 30 30 33 38 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | September 2021 | September 2021 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 1h | 60 44 38 49 20 20 28 40 40 20 55 40 63 52 40 12 | 32 34 28 43 - 32 40 - 30 27 40 - 46 60 42 13 | 34 48 52 30 32 - 38 20 64 32 50 42 62 40 56 14 | - 32 40 - 31 - 24 26 27 33 42 41 48 44 32 15 | 30 30 38 - 30 - - 32 45 35 - 44 45 54 38 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | September 2021 Notes: . Unknown strong tone appeared March 7, 2017, trying to find solution as rates dropped. I have no idea what the problem is, if it is that tone destroying my reception or a problem with the notch filter. . did not get one reflection at all from the Arietids or Zeta Perseids!! . no corrections for radiant position made to the counts. . ( - ) means no observations made. . Zero (0) is actual number meteors not heard/seen per hour! . Broke notch filter repaired and now seems I may be getting better reflections. . as of May 30,2021 that strong tone has reappeared and wiped out 77.251 MHz! Mike Boschat --------------------------------------------------------------- Observer: WHS Essen Location: Essen, Germany (6 59' E, 51 24' N) Frequency: 49.990 MHz OT1KZG Transmitter: VVS beacon at Astrolab IRIS, Ypres, Belgium (2 54' 45" E, 50 49' 03" N), 50 W, carrier (no modulation), LHCP, upward beaming Antenna: 6m Turnstile ON4ZK, elev 45 deg, azimuth 240 deg (SW) Pre-amplifier: Bandpass 49.9 MHz, SSB LNA600 Receiver: FunCubeDongle Pro+ Observing method: Spectrumlab, Colorgramme RMOB Lab v 2.5 | September 2021 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 22 28 23 26 25 12 13 17 15 7 13 19 11 22 1 | 22 22 27 21 24 13 18 13 7 14 14 17 17 17 2 | 16 24 26 25 22 10 13 16 8 17 16 16 17 20 3 | 25 25 31 31 41 20 20 15 8 9 9 11 14 20 4 | 27 31 30 29 27 19 16 21 12 19 15 13 16 22 5 | 22 33 22 20 34 19 20 21 22 30 17 22 29 17 6 | 27 26 28 24 30 19 13 16 24 23 30 21 16 24 7 | 33 31 26 22 29 13 17 17 15 18 30 26 19 20 8 | 21 16 17 12 30 23 23 19 7 26 24 34 18 9 | 18 12 21 20 19 19 16 32 22 10 10 | 20 19 18 15 12 12 22 18 11 | 17 12 12 6 30 15 9 12 | 13 13 10 12 27 14 12 13 | 12 15 20 7 19 17 15 8 14 | 22 17 19 1 5 15 13 9 11 15 | 20 14 17 12 4 9 12 12 14 10 16 | 23 22 13 13 17 13 8 8 10 12 8 11 17 | 18 15 9 20 10 8 12 12 16 13 8 10 12 18 | 12 11 18 13 11 5 12 9 6 10 11 12 11 7 19 | 19 12 15 21 3 9 7 13 9 9 11 11 8 15 20 | 15 9 15 26 18 8 11 12 18 8 13 15 15 18 21 | 21 5 18 17 15 7 11 13 12 8 20 19 20 16 22 | 25 12 21 19 12 16 14 16 17 9 14 13 15 12 23 | 27 20 22 24 9 13 11 15 17 6 16 16 16 13 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | September 2021 | September 2021 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 12 24 15 1 1 0 0 0 17 16 12 30 13 1 | 11 29 21 2 24 0 3 16 13 16 23 21 12 2 | 14 25 30 12 1 0 0 0 13 3 14 23 17 3 | 12 22 25 0 0 1 0 20 14 19 19 14 11 4 | 16 33 27 13 16 20 1 25 3 1 11 13 19 5 | 29 36 18 26 24 15 1 0 2 18 16 25 12 6 | 23 40 19 19 36 0 2 15 12 17 18 13 22 7 | 13 19 16 1 32 3 1 9 7 20 20 22 12 8 | 28 25 22 19 20 0 1 1 2 12 17 21 15 9 | 23 16 25 24 10 0 4 0 13 19 13 27 10 | 20 24 11 18 20 14 16 1 16 29 15 16 11 | 15 12 5 6 9 16 22 10 18 13 12 11 12 | 16 14 11 8 16 17 16 9 13 17 15 7 5 13 | 13 9 17 3 6 14 10 1 7 20 10 13 14 14 | 7 15 17 13 12 4 2 3 8 13 10 7 9 15 | 10 8 6 11 15 11 5 6 4 6 10 14 14 14 16 | 19 19 4 15 12 9 6 6 7 8 13 13 12 11 17 | 17 10 14 10 1 7 9 7 12 6 13 8 15 5 18 | 18 8 11 5 4 9 11 7 15 12 22 3 3 19 | 10 6 17 0 2 23 19 4 16 7 24 5 9 20 | 22 14 10 3 1 2 4 5 28 15 27 8 19 21 | 18 15 6 3 1 3 19 6 19 14 31 17 26 22 | 30 23 2 0 2 13 2 1 9 20 15 18 23 | 28 12 1 0 0 5 20 17 7 12 22 20 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | September 2021 Jochen Plessmann --------------------------------------------------------------- Observer: Kees Meteor Location: Kattendijke, Netherlands (3 57' E, 51 30' N) Frequency: 143.05 MHz Graves Receiver: RSP2pro Antenna: dipole Antenna Direction: elev 0 deg, azimuth 180 deg (S) Observing method: HROFFT + Colorgramme RMOB Lab v 3.0 | September 2021 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 9 14 6 8 3 11 12 5 10 5 4 10 3 1 | 11 13 8 7 8 15 8 3 7 12 4 7 7 2 | 12 14 10 5 8 12 16 7 8 14 11 9 7 3 | 7 6 5 7 4 13 10 9 7 3 7 10 6 4 | 9 4 12 15 10 11 15 14 13 12 8 14 4 5 | 13 9 8 11 7 6 13 8 9 5 5 5 6 | 11 12 9 4 11 8 5 2 5 7 11 6 7 | 11 8 10 7 6 6 11 4 7 6 11 4 8 8 | 9 7 8 11 4 9 5 11 12 8 11 3 5 9 | 8 4 9 10 7 7 2 1 6 7 4 5 4 10 | 7 8 8 8 5 5 3 12 11 3 7 8 6 11 | 7 3 8 7 4 3 5 5 11 10 8 2 8 12 | 6 9 13 5 8 2 2 2 5 4 14 5 4 13 | 5 12 5 13 10 5 7 10 3 2 13 0 3 14 | 4 5 6 9 5 10 7 4 3 8 7 6 5 15 | 9 7 8 10 4 4 11 8 9 10 11 2 8 16 | 19 1 7 9 6 6 3 7 12 7 4 9 4 17 | 5 7 11 8 6 5 0 3 4 11 10 10 1 18 | 9 12 3 10 5 6 6 0 3 5 7 5 1 19 | 10 4 10 3 3 10 5 5 5 7 8 3 2 20 | 9 7 5 8 9 8 10 4 7 4 3 6 2 21 | 13 9 7 4 10 9 3 5 12 12 9 6 7 22 | 12 10 8 5 8 2 13 6 12 8 6 5 2 23 | 5 7 7 9 8 8 4 6 4 5 13 3 5 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | September 2021 | September 2021 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 3 8 3 6 5 5 4 3 6 5 5 5 3 1 1 | 1 1 3 7 6 2 3 3 4 4 5 10 6 5 2 | 9 5 4 8 6 4 4 3 2 9 4 8 9 9 3 | 0 4 3 1 7 8 3 5 6 4 8 4 9 8 4 | 5 3 7 3 2 3 8 1 2 7 3 7 4 4 5 | 3 6 7 5 8 9 4 2 4 3 9 8 3 6 6 | 3 7 4 3 4 5 6 6 4 5 13 5 6 7 | 3 3 0 5 4 1 6 3 5 6 3 11 10 8 | 8 6 4 4 6 5 6 3 10 2 5 10 7 9 | 3 4 2 4 0 3 3 5 7 4 8 7 10 | 2 3 2 1 5 3 2 2 7 6 8 5 11 | 4 4 5 7 5 2 6 4 5 6 8 10 12 | 4 4 4 5 0 4 3 6 8 8 11 11 13 | 7 6 2 7 8 2 4 7 2 6 5 7 14 | 4 6 5 2 7 4 6 4 5 2 10 5 5 15 | 4 1 6 1 4 3 4 3 8 7 3 10 6 16 | 3 1 2 2 4 4 5 4 3 4 8 7 3 17 | 4 2 0 1 1 3 5 2 8 3 6 4 2 18 | 3 1 0 5 1 1 2 2 6 9 4 2 5 19 | 2 2 1 5 4 5 6 6 4 3 3 5 1 20 | 1 3 5 5 1 1 3 12 11 0 3 2 8 4 21 | 6 4 5 4 5 7 1 3 2 3 2 5 13 5 22 | 3 6 4 5 7 0 5 6 2 4 4 2 2 5 23 | 1 5 2 4 3 9 3 3 4 3 8 4 2 4 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | September 2021 Kees -------------------------------------------------------------------- Observer: Stan Nelson Location: Roswell, New Mexico, USA (33 27' N, 104 31' W) Frequency: 54.31 MHz Antenna : 6M Beam, az 280 deg, elev 15 deg Receiver: AirSpy Computer: HP desktop Observing method: Spectrum Lab Colorgramme RMOB Lab v 3.0 | September 2021 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 10 12 7 3 9 10 8 12 8 5 7 7 3 5 5 1 | 6 7 7 8 6 11 7 9 4 5 4 4 2 37 5 2 | 7 16 7 9 9 10 5 4 8 2 2 2 9 8 1 3 | 12 16 6 3 3 12 0 12 4 10 4 5 6 8 7 4 | 12 11 9 10 15 15 10 9 6 12 4 5 6 5 9 5 | 15 22 11 12 15 21 8 7 10 16 10 10 10 9 9 6 | 15 15 10 12 19 21 12 13 8 9 5 5 17 8 12 7 | 21 19 10 19 20 19 13 16 6 14 11 11 13 10 14 8 | 15 33 16 15 34 33 24 15 13 16 7 10 11 16 12 9 | 36 28 15 17 33 28 19 20 20 16 10 18 12 19 18 10 | 29 41 25 25 44 44 21 23 19 15 12 23 22 20 18 11 | 33 33 29 18 36 44 11 20 21 23 20 8 19 14 14 12 | 23 25 24 16 32 33 12 17 18 14 11 16 15 11 14 13 | 23 25 16 14 32 17 16 18 18 14 9 7 13 14 16 14 | 19 35 17 22 31 25 7 13 14 19 17 10 22 21 17 15 | 24 40 20 18 33 30 24 16 20 14 10 21 18 24 20 16 | 32 32 19 32 47 23 21 15 20 13 21 22 19 16 17 17 | 20 32 21 22 34 18 17 23 2 16 12 24 11 14 18 18 | 24 23 16 8 33 17 9 12 10 16 11 19 12 17 20 19 | 22 28 12 10 33 18 13 15 12 15 13 22 17 19 22 20 | 16 91 14 12 18 19 17 17 12 18 9 20 9 17 13 21 | 17 34 19 8 17 7 12 16 11 12 10 21 15 11 15 22 | 8 6 9 9 20 12 7 8 10 8 16 13 11 5 13 23 | 9 9 4 11 13 6 10 7 8 12 6 12 8 8 8 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | September 2021 | September 2021 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 6 4 3 8 6 20 14 6 9 6 22 22 19 16 13 1 | 4 2 10 3 8 15 9 6 10 8 15 21 16 17 24 2 | 8 8 5 3 3 7 4 6 7 11 19 18 16 15 29 3 | 7 2 11 7 7 4 8 4 6 10 10 38 29 13 33 4 | 6 7 7 2 6 14 13 6 10 11 34 28 33 27 32 5 | 10 5 7 7 9 12 26 14 13 16 31 41 47 30 54 6 | 12 5 9 7 11 6 31 17 14 13 45 41 48 52 54 7 | 11 14 8 15 9 0 29 21 18 22 41 53 64 49 49 8 | 16 10 12 10 11 5 29 26 17 13 49 60 69 53 79 9 | 15 13 15 12 12 1 36 34 24 20 63 49 91 67 95 10 | 11 13 13 11 16 1 42 30 21 17 74 86 92 73 76 11 | 12 14 9 5 19 0 40 32 21 22 82 63 95 79 78 12 | 18 14 18 14 15 0 32 25 23 20 61 68 88 66 86 13 | 4 13 21 10 17 0 30 26 20 20 65 58 86 85 59 14 | 22 12 18 11 17 22 23 32 17 23 68 30 81 79 71 15 | 19 13 21 18 8 35 43 37 23 29 75 1 88 91 80 16 | 26 19 17 15 56 41 27 23 11 29 70 14 99 86 83 17 | 16 16 10 21 48 30 29 15 6 3 56 16 64 62 71 18 | 22 22 19 18 48 25 28 12 3 6 66 25 56 62 70 19 | 18 21 14 17 39 30 28 8 26 7 52 49 63 53 77 20 | 16 11 17 19 28 21 5 4 8 0 48 51 38 59 53 21 | 9 18 9 11 35 14 3 5 12 23 32 38 25 34 37 22 | 2 4 12 10 21 13 6 21 14 27 27 27 28 21 25 23 | 4 10 17 8 20 9 7 6 9 26 18 19 13 22 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | September 2021 Stan Nelson -------------------------------------------------------------------- Observer: Hiroshi Ogawa Location: Tsukuba, Ibaraki, Japan (36 02' N, 140 03' E) Frequency: 89.4 MHz Antenna : FA2 (2el.), az 270 deg, elev 0 deg Receiver: R820T2&SDR+TCXO Computer: NEC Lavie Win8 (Core i7) Observing method: HROFFT (manual count) + Colorgramme RMOB Lab v 3.0 | September 2021 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 13 10 12 11 11 15 7 15 13 3 12 11 13 9 1 | 7 10 10 6 12 8 12 12 8 12 9 11 7 15 11 2 | 12 9 15 15 15 13 8 7 10 10 13 13 11 20 3 | 11 13 10 7 14 13 9 11 12 11 23 6 8 7 4 | 7 6 7 12 14 10 10 4 7 8 11 17 11 9 13 5 | 9 9 9 12 15 9 12 4 12 9 6 20 10 8 2 6 | 7 12 10 18 8 10 11 1 8 11 10 8 6 12 7 | 9 7 14 14 12 17 11 11 14 5 5 12 18 8 | 11 5 11 13 16 9 10 4 9 9 9 9 11 6 19 9 | 8 3 7 8 7 8 12 5 10 10 10 9 5 6 14 10 | 8 10 8 16 12 10 8 8 8 9 10 14 7 9 7 11 | 9 3 4 12 13 14 8 6 7 7 7 17 9 8 5 12 | 10 6 8 7 8 7 12 2 11 3 5 11 11 5 8 13 | 8 10 6 6 7 7 3 6 10 12 8 7 2 3 14 | 12 10 5 3 6 7 11 8 11 4 12 10 8 13 6 15 | 15 8 12 11 19 9 13 14 17 13 8 10 6 8 18 16 | 19 12 13 10 23 16 20 15 11 13 10 18 8 19 13 17 | 9 9 14 18 29 14 23 16 10 17 12 8 14 18 | 14 14 9 16 25 12 13 21 15 22 14 9 16 14 19 | 11 11 12 15 12 13 22 21 11 23 16 10 12 15 15 20 | 16 12 15 11 21 10 20 17 15 13 18 16 15 10 21 | 11 15 13 13 7 12 12 11 13 12 17 11 10 13 18 22 | 15 13 14 15 8 15 16 9 12 14 15 10 15 14 23 | 11 9 9 9 13 9 8 18 10 8 11 12 9 3 14 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | September 2021 | September 2021 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 21 11 14 17 18 9 11 19 9 15 14 7 13 1 | 21 10 10 13 16 12 15 12 12 18 14 10 17 6 2 | 14 12 13 16 9 9 23 12 9 15 7 14 11 9 12 3 | 16 12 15 14 8 6 20 10 8 26 7 7 10 8 25 4 | 12 10 18 13 8 8 16 11 13 10 9 10 10 18 19 5 | 12 10 10 15 8 9 15 2 10 14 2 6 8 11 6 | 9 11 23 15 8 5 15 14 8 14 12 9 8 9 7 7 | 13 9 12 13 14 8 14 7 8 15 12 10 8 24 8 | 17 7 11 12 12 11 19 6 8 19 15 8 8 10 8 9 | 9 12 11 11 9 4 22 13 10 8 8 11 8 7 21 10 | 6 14 7 13 9 14 21 6 10 15 7 13 2 9 10 11 | 16 7 9 13 5 4 14 3 9 14 7 6 7 9 12 | 11 3 7 6 10 8 15 4 4 15 10 4 8 13 | 13 4 17 8 8 10 21 10 8 7 5 7 6 14 | 7 10 9 10 9 6 20 10 8 7 6 6 13 15 | 11 14 15 15 22 18 15 17 11 11 13 13 16 | 16 23 12 19 15 8 17 13 17 | 14 8 16 23 13 15 10 4 11 16 18 | 13 19 15 25 20 19 22 10 14 20 19 | 13 10 18 19 12 26 18 16 13 15 23 20 17 20 | 13 25 9 13 18 28 17 14 13 22 16 12 23 21 | 13 17 15 12 21 11 18 15 17 15 13 15 16 9 22 | 13 15 18 14 15 16 16 14 19 15 15 12 11 13 23 | 12 11 16 10 9 10 8 10 24 16 5 15 13 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | September 2021 Frequency: 92.5 MHz Antenna : AF-4 (4el.), az 270 deg, elev 0 deg Receiver: R820T2&SDR+TCXO Computer: NEC VersaPro Win10 (Core i5) Observing method: HROFFT (manual count) + Colorgramme RMOB Lab v 3.0 | September 2021 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 18 13 18 16 14 22 10 20 26 17 17 20 13 12 17 1 | 25 23 13 10 20 16 12 16 16 16 14 20 9 16 20 2 | 18 15 9 15 29 14 17 17 15 15 18 17 20 21 23 3 | 15 18 5 10 19 10 11 21 14 18 19 27 13 15 17 4 | 14 13 7 15 16 15 9 17 24 11 17 24 18 23 21 5 | 16 13 6 15 17 20 6 17 21 17 14 20 10 21 10 6 | 12 18 5 18 18 13 8 9 14 18 14 19 14 15 7 | 11 13 6 8 19 20 6 13 18 19 10 9 20 14 21 8 | 15 12 5 12 17 10 7 13 10 12 13 10 11 9 16 9 | 8 8 6 8 11 11 6 22 19 12 16 10 8 5 12 10 | 14 10 6 13 16 11 3 14 14 12 12 13 9 11 9 11 | 12 6 3 15 19 13 5 20 14 10 13 17 10 5 12 | 17 14 6 13 15 16 7 20 28 13 6 10 13 15 11 13 | 13 20 7 12 16 16 5 23 24 21 13 9 5 13 10 14 | 19 18 9 17 14 21 8 17 17 12 21 19 20 23 18 15 | 22 17 7 22 29 25 9 30 27 21 16 18 15 14 24 16 | 19 16 19 17 28 19 12 27 20 20 17 30 22 24 13 17 | 17 20 13 27 33 24 14 33 22 28 18 34 18 25 14 18 | 23 25 14 20 24 17 19 28 29 40 19 33 25 34 21 19 | 18 15 16 29 27 28 26 32 22 30 24 33 26 36 17 20 | 34 25 12 28 35 36 16 44 36 32 38 30 27 38 20 21 | 15 25 30 23 23 24 30 17 25 26 23 19 24 22 | 17 23 26 23 18 14 29 19 20 30 22 24 18 23 | 20 18 18 18 18 14 27 18 12 23 16 13 17 13 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | September 2021 | September 2021 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 12 24 20 20 16 24 28 22 18 26 19 15 23 22 26 1 | 21 20 17 17 18 22 24 20 21 28 24 21 26 22 25 2 | 17 16 13 22 13 23 25 15 18 22 20 24 24 26 18 3 | 16 18 19 18 14 12 23 13 16 21 22 16 26 31 31 4 | 17 16 18 21 20 13 17 17 19 18 23 14 22 26 40 5 | 17 10 14 19 15 16 21 9 16 19 16 13 27 13 30 6 | 8 15 20 19 13 12 16 20 14 15 13 11 20 22 17 7 | 15 17 14 14 17 16 16 16 11 17 20 14 19 18 31 8 | 9 13 15 18 11 12 17 14 16 20 13 12 16 14 10 9 | 8 16 9 12 7 9 20 17 10 8 15 13 15 14 20 10 | 10 16 11 13 15 16 16 13 9 12 12 16 8 23 12 11 | 12 10 14 14 8 13 11 3 14 13 11 13 11 13 12 | 10 8 15 9 12 10 14 5 11 19 14 5 11 8 13 | 23 11 17 9 13 10 15 15 15 11 20 10 18 8 14 | 15 14 17 16 25 10 27 16 18 18 17 22 9 12 15 | 22 24 21 14 27 22 21 22 22 23 25 23 13 19 16 | 19 28 18 21 22 10 26 38 27 17 31 16 19 21 17 | 21 22 25 18 32 21 25 35 22 24 43 21 21 19 18 | 24 24 28 27 32 19 42 28 26 43 32 20 21 25 19 | 31 18 34 22 35 22 34 21 23 26 31 34 22 19 20 | 25 27 29 16 20 27 44 35 30 25 29 36 25 29 21 | 25 25 20 18 28 14 23 24 18 28 25 26 16 16 22 | 21 20 23 17 19 18 27 17 23 23 29 33 17 36 23 | 18 26 16 22 22 22 18 21 19 22 22 16 19 33 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | September 2021 Hiroshi Ogawa -------------------------------------------------------------------- Observer: Mike Otte Location: Pearl City, IL, USA (42 13' N, 89 51' W) Frequency: 61.2595 MHz as from Jan 2021 Antenna : 5 elem Yagi, az 180 deg, elev 60 deg, TV usb preamplifier Receiver: Nooelec NESDR Computer: Dell Optimus 960 Observing method: Spectrum Lab Colorgramme RMOB Lab v 2.3 Total Counts | September 2021 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 277 263 258 258 242 593 1 | 306 328 307 310 312 556 2 | 369 382 372 383 425 579 3 |563 486 453 476 508 483 614 4 |571 515 543 575 548 527 573 5 |564 601 566 552 560 563 625 6 |591 618 567 601 544 557 597 7 |585 625 618 618 594 608 616 8 |571 566 617 567 596 635 599 9 |670 603 612 628 600 677 557 10 |668 675 609 650 636 668 11 |613 576 613 430 622 628 576 12 |619 570 573 613 596 598 13 |573 565 535 521 582 571 14 |547 575 561 522 563 583 15 |542 533 487 507 547 533 16 |523 505 468 548 526 17 |487 437 442 457 489 18 |392 392 383 401 389 552 19 |357 347 238 366 365 252 20 |282 259 277 321 301 271 21 |259 280 275 302 309 346 22 |288 248 230 292 265 413 23 |271 274 236 264 225 516 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | September 2021 Mike Otte -------------------------------------------------------------------- Observer: Ivan Sergey Location: private astronomical observatory close to Molodechno, Belarus (54 16' N, 26 44 E) Frequency: 88.6 MHz Transmitter Location: FM-radio station in Spain, France (95.8 kW Mulhouse/ Belvedere), Antenna: 5 element Yagi Azimuth 270 deg, elevation 5 deg Receiver: an automobile radio tape recorder "PIONER", 2 columns "Maxxstro" for amplification of a signal Observing method: the signal acts on a sound card computer CPU N2600 (1.6 GHz) Automatic calculation of the number of signals with the help of Python-script on the basis of MetAn program data Data sampling system: calculation of number of signals is carried out at by visual viewing all kept screenshots. | September 2021 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 43 18 8 13 11 14 11 16 19 14 22 18 13 11 12 1 | 27 18 12 10 10 17 5 5 11 17 11 13 16 23 12 2 | 28 22 16 5 8 14 8 14 13 15 14 20 12 8 11 3 | 32 21 19 19 16 16 13 11 15 22 7 23 23 24 9 4 | 33 19 27 21 17 16 10 31 12 18 17 12 31 24 16 5 | 30 24 15 21 8 9 6 21 22 14 11 19 24 21 14 6 | 39 25 18 21 11 13 10 18 24 19 13 15 19 15 30 7 | 30 23 17 6 16 15 10 20 17 16 16 19 21 23 14 8 | 25 27 14 16 13 11 17 11 14 21 8 22 22 19 13 9 | 20 19 18 12 14 16 20 7 18 24 18 18 32 23 14 10 | 19 22 19 16 10 5 20 14 16 18 26 18 24 21 41 11 | 22 17 12 36 13 6 12 28 11 13 16 25 14 15 29 12 | 18 12 8 26 8 12 14 32 11 13 35 20 24 11 11 13 | 23 6 28 8 9 7 18 25 9 9 31 27 19 13 10 14 | 22 13 5 14 13 6 9 11 9 6 10 28 15 8 5 15 | 41 17 10 6 2 4 11 13 13 11 12 33 13 5 8 16 | 38 13 7 8 9 10 11 11 11 8 36 36 12 11 14 17 | 37 12 5 7 11 14 11 4 12 8 15 18 8 9 2 18 | 10 10 5 4 6 9 13 9 13 9 11 28 9 5 8 19 | 12 9 9 8 7 10 23 4 10 13 10 17 16 10 10 20 | 16 10 17 15 8 5 14 10 16 12 19 26 15 5 12 21 | 26 26 12 13 8 15 14 20 16 11 22 23 20 15 9 22 | 19 11 12 8 10 9 11 20 14 6 20 26 22 8 12 23 | 26 15 7 9 6 10 11 18 12 8 14 26 17 12 11 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | September 2021 | September 2021 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 13 8 13 14 14 11 6 15 11 9 19 9 9 9 22 1 | 8 14 13 17 12 21 10 5 10 12 17 7 17 6 15 2 | 10 6 15 13 14 10 9 11 13 11 8 8 11 11 18 3 | 15 16 6 24 11 13 8 18 14 15 10 14 8 10 13 4 | 18 17 18 11 17 22 13 13 16 22 16 17 15 15 17 5 | 9 17 13 22 24 11 17 10 20 23 31 13 27 22 27 6 | 14 23 15 13 28 22 17 17 19 19 28 16 9 24 17 7 | 35 15 22 19 12 17 6 9 23 16 21 10 19 24 27 8 | 11 15 36 31 16 8 7 9 11 16 17 21 19 14 3 9 | 12 16 30 12 21 18 11 8 13 18 10 15 16 11 36 10 | 13 15 16 11 15 8 19 13 18 16 18 13 14 14 33 11 | 14 18 15 6 14 10 8 8 18 10 5 12 8 15 34 12 | 29 20 9 10 9 11 11 7 10 8 6 18 4 10 27 13 | 33 12 5 11 3 12 8 4 36 5 14 15 12 10 18 14 | 8 5 6 9 3 8 3 3 34 14 9 9 11 11 9 15 | 21 7 3 4 6 4 4 6 29 8 4 33 5 6 22 16 | 11 10 27 5 10 10 6 6 8 2 19 6 8 2 15 17 | 10 5 21 26 7 23 36 5 33 5 8 5 50 26 18 18 | 11 24 1 38 10 6 11 6 7 6 3 8 36 37 24 19 | 27 29 9 9 22 5 10 16 6 5 8 7 19 36 26 20 | 21 7 15 10 10 10 8 22 13 7 17 4 13 12 45 21 | 7 20 18 16 4 12 23 17 14 15 14 12 23 7 42 22 | 8 16 10 12 11 17 15 14 15 19 8 12 11 18 22 23 | 4 14 13 18 12 11 13 15 14 21 12 10 9 12 29 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | September 2021 Ivan Sergey --------------------------------------------------------------- Observer: Chris Steyaert Location: Mol, Belgium (5 07' 15" E, 51 10' 30" N) Frequency: 49.990 MHz OT1KZG Transmitter: VVS beacon at Astrolab IRIS, Ypres, Belgium (2 54' 45" E, 50 49' 03" N), 50 W, carrier (no modulation), LHCP, upward beaming Antenna: Diamond HB9CV, elev 45 deg, azimuth 270 deg (W), below roof cam Receiver: HRO MRX-50 Computer: Toshiba Satellite 1555CDS, Win98 Observing method: manual count of Speclab recordings | September 2021 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 30 27 28 31 23 20 23 26 11 17 14 20 31 18 28 1 | 28 24 28 25 27 24 34 24 19 14 22 23 23 25 21 2 | 29 30 25 32 26 20 30 23 12 19 27 24 33 23 26 3 | 24 22 26 30 30 27 18 22 23 18 25 17 26 30 23 4 | 25 30 29 22 17 22 23 26 23 14 28 19 33 26 28 5 | 20 27 26 25 34 19 22 27 21 18 17 18 23 16 21 6 | 16 27 24 16 24 17 21 17 22 13 22 19 16 20 21 7 | 19 25 16 22 22 19 22 22 19 11 23 16 30 23 22 8 | 21 13 18 14 18 21 21 15 14 15 22 12 14 22 22 9 | 25 12 15 19 16 14 17 15 9 10 19 13 13 26 25 10 | 19 17 7 19 11 19 15 13 10 12 19 13 17 12 19 11 | 16 10 9 12 13 12 12 10 10 12 12 12 13 8 13 12 | 22 11 8 7 13 13 7 7 10 7 14 10 14 12 12 13 | 13 16 13 16 14 14 13 12 9 8 13 13 15 13 16 14 | 22 18 15 14 13 17 17 11 12 11 12 12 14 11 17 15 | 12 14 10 15 11 14 21 10 17 8 18 11 15 13 18 16 | 19 16 20 18 18 13 16 4 13 11 9 14 15 20 17 | 15 16 20 17 8 14 15 13 9 12 8 11 20 13 14 18 | 11 19 18 17 19 14 16 9 7 7 11 8 14 22 11 19 | 9 13 17 30 11 18 14 14 11 16 15 16 12 12 20 | 10 21 22 27 17 16 13 10 18 12 14 9 18 22 12 21 | 24 25 30 27 19 20 22 12 15 13 23 19 23 29 29 22 | 29 15 25 25 29 25 17 14 17 13 14 15 24 19 22 23 | 20 24 26 26 30 23 17 13 22 19 21 16 32 34 27 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | September 2021 | September 2021 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 19 35 34 29 22 32 30 18 21 28 26 28 30 37 21 1 | 19 22 21 18 31 30 32 35 25 27 20 23 30 39 19 2 | 32 21 21 19 23 25 21 33 26 25 26 26 33 26 28 3 | 24 23 24 23 39 24 26 21 26 28 25 23 35 25 29 4 | 25 33 37 38 34 29 25 26 27 29 30 20 42 26 22 5 | 17 19 21 23 29 30 24 32 34 26 26 28 34 35 26 6 | 31 22 19 25 30 25 23 27 19 21 25 16 19 22 22 7 | 21 19 19 24 22 18 30 21 25 24 22 27 19 29 27 8 | 27 15 16 16 28 25 22 23 19 22 23 26 24 22 20 9 | 18 11 11 8 27 13 23 19 20 17 25 17 12 22 17 10 | 9 12 11 14 12 9 15 19 15 15 20 11 18 13 14 11 | 9 9 11 13 10 9 13 15 13 11 12 12 12 14 24 12 | 9 11 9 12 12 9 14 8 17 15 19 11 16 19 16 13 | 13 10 11 12 15 13 15 16 16 18 13 18 25 15 18 14 | 17 19 20 8 15 14 15 15 17 16 11 21 12 21 18 15 | 13 18 16 13 21 11 19 13 10 15 12 19 18 24 21 16 | 12 13 12 8 17 13 17 19 16 19 18 20 16 24 24 17 | 16 15 13 11 11 16 16 19 16 13 12 12 16 21 18 18 | 19 23 22 15 14 17 19 21 19 13 19 20 24 13 26 19 | 18 12 14 12 16 15 21 10 16 15 17 17 23 17 20 | 22 17 18 16 28 25 19 13 25 15 19 16 22 33 20 21 | 33 17 17 16 20 28 23 28 18 11 16 25 31 29 27 22 | 22 24 22 18 24 21 34 29 19 18 17 28 23 27 39 23 | 25 23 23 24 26 32 22 27 22 12 19 28 35 31 22 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | September 2021 Note: . installed solar panels on May 9, 2018. View of the antenna partially blocked, and increased interference of the convertor. Chris Steyaert -------------------------------------------------------------------- Observer: Istvan Tepliczky Location: Tata, Hungary (18 20' E, 47 39' N) Frequency: 143.05 MHz Antenna: Moxon, azimuth SW, elevation 0 deg. Receiver: SDRplay RSP1A Computer: HP Notebook T400 Observing method: Spectrum Lab script + RMOB Lab v2.9 Number of meteors in one hour intervals | September 2021 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 36 42 42 39 57 41 18 48 41 28 39 36 32 35 36 1 | 44 32 56 49 42 50 23 38 47 42 38 33 37 40 28 2 | 53 40 38 39 39 43 37 49 26 19 39 32 36 35 34 3 | 31 17 43 37 26 40 47 38 39 17 30 33 36 28 19 4 | 48 15 44 33 27 49 28 42 42 20 28 30 35 33 29 5 | 39 12 38 45 40 38 44 47 38 20 49 28 44 21 27 6 | 37 44 32 41 32 28 42 35 39 21 27 39 42 27 27 7 | 35 41 32 34 39 35 32 34 34 27 39 28 27 30 40 8 | 38 23 35 33 29 21 38 38 17 11 30 28 32 30 8 9 | 35 46 25 45 28 29 24 36 43 29 36 33 36 26 21 10 | 30 36 27 45 32 42 33 37 33 15 36 38 35 22 34 11 | 32 29 28 27 45 32 32 34 27 30 31 34 43 25 13 12 | 27 30 21 36 26 31 24 31 40 24 34 31 38 18 20 13 | 34 28 16 31 42 25 21 30 27 30 27 21 27 8 19 14 | 31 30 24 24 24 32 29 33 28 32 27 25 18 24 18 15 | 23 31 23 35 28 26 26 33 28 24 19 24 24 18 39 16 | 24 23 21 38 29 14 24 30 29 29 19 19 20 28 31 17 | 23 23 36 37 29 17 34 10 23 25 19 23 29 32 28 18 | 29 30 16 22 34 26 31 9 27 25 47 14 30 13 13 19 | 26 25 27 30 35 32 19 19 35 26 36 24 30 17 7 20 | 44 30 34 30 28 23 39 35 16 25 39 36 27 23 12 21 | 28 12 23 38 27 33 42 36 40 33 43 31 27 35 13 22 | 17 17 38 40 28 39 43 42 38 31 26 31 27 36 8 23 | 13 35 43 40 31 42 36 45 49 41 45 29 50 39 15 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | September 2021 | September 2021 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 37 30 25 33 14 35 30 28 44 34 31 37 20 16 1 | 44 19 22 25 31 33 33 29 37 41 31 43 21 30 2 | 36 20 12 35 26 29 26 28 37 45 29 31 29 41 3 | 28 17 19 21 29 26 28 27 33 40 41 22 21 36 4 | 32 21 20 12 31 38 39 35 34 33 42 22 34 39 5 | 30 8 11 17 23 30 39 34 19 34 41 33 22 32 6 | 30 11 18 13 28 30 24 27 42 41 38 30 35 26 7 | 39 21 34 8 26 38 28 32 35 33 39 21 24 34 8 | 34 25 28 18 33 29 30 27 32 36 26 25 26 25 9 | 35 29 18 25 25 24 25 18 28 36 43 23 33 30 10 | 31 25 42 29 22 22 22 7 34 39 32 24 27 39 11 | 24 22 29 19 29 23 23 27 29 22 39 24 26 31 12 | 36 15 27 26 10 17 30 29 24 26 26 25 34 34 13 | 29 18 27 27 20 22 37 28 29 27 30 25 28 33 14 | 24 18 15 23 18 22 30 29 25 27 36 19 24 20 15 | 27 28 26 19 25 22 35 21 27 34 31 20 20 27 16 | 31 18 25 29 15 25 21 26 28 30 0 13 26 18 17 | 39 24 21 22 25 16 25 41 31 29 26 20 30 22 18 | 30 21 31 22 25 34 11 44 30 29 18 20 25 18 19 | 32 41 28 20 11 33 21 48 28 0 24 24 36 20 | 44 23 36 34 30 27 25 50 17 29 16 32 39 21 | 39 20 44 31 30 34 10 34 34 36 24 32 22 22 | 37 31 39 25 33 37 22 39 28 33 43 19 15 23 | 31 20 30 13 25 33 29 29 38 35 41 27 22 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | September 2021 Istvan Tepliczky -------------------------------------------------------------------- Observer: Felix Verbelen ON4AVF Location: Kampenhout, Belgium (4 36' E, 50 57' N) Frequency: 49.990 MHz OT1KZG Transmitter: VVS beacon at Astrolab IRIS, Ypres, Belgium (2 54' 45" E, 50 49' 03" N), 50 W, carrier (no modulation), LHCP, upward beaming Antenna: 2-elements HB9CV Yagi, elev 52 deg, azimuth 250 deg (W) Receiver: ICOM 7100 Observing method: automated setup using PC soundcard + Spectrum Laboratory software [Digitised sound and computer images are stored on local hard disks for further analysis. Only overdense meteor reflections are counted manually and used for statistics] Duration >= 2 seconds | September 2021 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 7 1 2 3 7 5 1 5 3 4 1 4 3 3 4 1 | 3 5 13 7 4 5 4 3 4 5 5 2 2 2 3 2 | 5 3 3 10 8 3 4 4 4 6 6 2 1 5 4 3 | 3 3 5 7 4 5 4 8 4 7 3 0 3 3 3 4 | 7 5 7 3 3 10 6 2 4 7 8 4 1 1 1 5 | 1 3 0 6 5 2 1 2 3 5 5 1 5 3 6 6 | 2 7 7 4 5 0 2 4 7 4 5 5 4 2 5 7 | 3 5 3 2 6 6 3 2 8 4 6 5 3 4 4 8 | 5 1 5 4 2 6 3 3 2 8 2 2 1 2 5 9 | 0 2 4 5 1 5 4 7 3 1 3 7 4 5 1 10 | 5 1 2 6 1 5 2 4 1 3 5 5 5 6 1 11 | 2 3 3 3 4 6 2 3 3 8 1 3 0 1 4 12 | 3 2 4 0 1 2 1 3 3 3 2 2 2 1 1 13 | 1 4 2 1 3 3 3 0 4 2 1 2 1 0 3 14 | 0 0 1 2 2 3 0 7 1 2 2 0 1 2 2 15 | 2 2 3 4 1 4 1 1 3 4 4 1 1 4 0 16 | 2 2 1 0 1 3 0 0 0 4 0 0 0 4 5 17 | 0 2 1 1 4 3 2 0 2 2 1 4 1 2 0 18 | 2 0 4 2 1 4 1 0 3 1 1 0 0 3 1 19 | 0 2 3 0 1 3 1 2 3 2 1 0 0 1 3 20 | 0 3 2 1 2 0 1 1 3 1 3 1 3 2 3 21 | 1 4 2 0 2 0 3 2 3 2 1 2 2 1 3 22 | 4 3 8 1 1 2 3 2 2 2 4 2 2 3 4 23 | 2 6 3 6 1 5 0 6 6 4 1 3 4 1 6 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | September 2021 | September 2021 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 3 2 4 7 0 4 1 4 3 4 3 4 0 3 4 1 | 1 4 4 2 5 5 8 2 2 3 3 3 1 1 4 2 | 6 4 1 1 4 2 3 8 2 5 1 5 4 1 2 3 | 2 3 4 2 6 1 4 3 3 4 5 0 3 3 3 4 | 6 4 8 4 4 1 4 8 5 4 4 4 1 3 3 5 | 2 5 3 4 5 3 4 6 5 4 3 7 5 6 4 6 | 9 5 4 6 4 2 5 2 5 4 3 5 5 4 0 7 | 4 4 5 3 4 2 5 3 4 7 7 6 1 3 2 8 | 5 6 2 4 5 7 4 2 3 9 4 7 9 6 3 9 | 5 4 3 2 3 1 8 8 4 3 4 2 1 5 5 10 | 2 4 5 6 4 2 1 5 3 1 5 2 8 6 6 11 | 2 3 3 3 2 0 1 2 4 4 3 1 0 5 9 12 | 1 2 1 1 2 1 6 1 3 3 5 0 2 9 1 13 | 2 0 6 3 3 1 1 1 1 0 3 4 1 3 1 14 | 2 1 3 0 2 1 7 2 1 2 0 5 1 4 3 15 | 0 0 2 2 3 1 4 1 0 2 2 2 0 3 2 16 | 0 0 3 0 2 3 2 3 1 5 0 2 0 0 3 17 | 3 0 1 0 4 2 3 1 0 1 0 4 3 2 2 18 | 3 2 5 3 4 2 2 0 1 0 2 1 1 0 1 19 | 2 1 0 1 2 2 3 0 0 1 1 1 0 1 2 20 | 3 1 1 0 1 1 4 2 3 0 0 2 1 6 3 21 | 4 2 2 3 3 2 1 3 0 2 2 4 3 5 4 22 | 4 1 4 2 0 6 1 0 2 3 2 4 4 3 3 23 | 4 2 3 4 1 1 1 2 2 3 3 1 4 1 4 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | September 2021 Duration >= 10 seconds | September 2021 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 1 1 1 0 2 0 0 2 1 1 0 1 0 2 1 1 | 1 0 1 0 0 0 0 0 1 0 2 1 1 0 1 2 | 1 0 1 4 1 1 2 0 1 1 1 0 0 0 0 3 | 0 2 1 3 0 1 2 2 0 0 0 0 0 0 0 4 | 4 0 0 0 0 3 3 0 1 2 3 1 1 1 0 5 | 0 0 0 1 2 0 0 1 2 1 1 0 3 1 0 6 | 0 1 1 1 2 0 0 2 1 0 2 2 0 0 1 7 | 1 0 2 0 3 2 0 1 2 2 1 3 2 0 0 8 | 1 0 4 3 0 1 0 0 1 0 0 1 0 0 1 9 | 0 1 0 0 0 1 1 1 2 0 1 0 2 1 0 10 | 1 0 0 1 0 0 0 0 0 2 1 0 2 1 1 11 | 1 0 0 1 1 1 0 1 2 1 0 1 0 0 2 12 | 0 0 0 0 0 0 0 0 0 3 1 0 0 0 0 13 | 0 1 0 0 1 0 0 0 0 0 0 1 0 0 0 14 | 0 0 0 0 0 2 0 0 0 0 0 0 1 0 0 15 | 1 0 0 1 0 0 0 0 0 0 1 0 0 1 0 16 | 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 17 | 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 18 | 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 19 | 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 20 | 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 21 | 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 22 | 1 0 2 0 0 0 0 0 0 0 1 1 0 0 0 23 | 0 1 1 2 0 1 0 1 0 0 0 0 1 0 1 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | September 2021 | September 2021 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 0 1 1 0 0 0 0 1 0 1 1 0 0 1 1 1 | 0 0 2 0 1 0 1 0 0 1 0 0 0 0 0 2 | 0 0 0 0 1 0 1 2 0 1 1 1 0 0 0 3 | 0 0 1 0 1 0 1 0 1 0 1 0 0 0 1 4 | 0 0 1 0 0 0 1 0 2 0 0 0 0 0 2 5 | 0 1 0 1 2 2 1 1 1 0 0 0 0 1 1 6 | 1 1 0 1 0 0 2 1 1 2 0 1 2 1 0 7 | 0 0 0 1 1 1 0 1 0 0 3 2 1 1 0 8 | 2 0 0 2 1 0 0 1 0 0 0 0 1 1 1 9 | 0 0 0 0 0 0 3 1 1 1 2 0 0 0 0 10 | 0 1 0 1 0 0 0 1 1 0 0 0 3 3 1 11 | 0 0 1 2 0 0 0 0 1 1 1 0 0 1 0 12 | 0 0 0 0 0 0 2 0 0 1 3 0 0 2 1 13 | 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 14 | 0 0 0 0 1 0 2 0 1 0 0 1 0 0 0 15 | 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 16 | 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 17 | 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 18 | 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 19 | 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 20 | 1 0 1 0 0 0 1 0 1 0 0 1 0 0 1 21 | 0 0 1 0 0 0 0 1 0 0 0 0 0 1 0 22 | 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 23 | 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | September 2021 Note: . increased noise since June 12, 2019, normally not affecting the long duration counts. . lightning 'above' the beacon on Sep 26, 18:55--19:20 UT Felix Verbelen 2. PERSEID METEOR SHOWER OUTBURST 2021 As communicated in http://www.cbat.eps.harvard.edu/iau/cbet/005000/CBET005016.txt a threefold increase in activity at maximum was observed by numerous RMOB contributors, starting Aug 14 from approx 6h UT until 13h UT, with a maximum around 9h UT. Activity level information by Hiroshi Ogawa on: https://www.iprmo.org/flash/perseids-2021.html 3. 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. 4. CONTRIBUTORS / USEFUL ADDRESSES Enric Fraile Algeciras (EA3BTZ) http://www.telefonica.net/web/enricfraile (in Spanish) http://astrosurf.com/somyce/c_radio.htm Bernard Bayle http://www.bbayle.com Michael Boschat http://www.chebucto.ns.ca/~aa063 Jeff Brower http://members.shaw.ca/jbrower/ Franky Dubois http://www.digilife.be/club/franky.dubois/meteor.html David Entwistle http://www.radiometeor.plus.com/ Karl-Heinz Gansel http://www.radio-astronomie.de/ra/ Peter Knol http://home.deds.nl/~knol Hiroshi Ogawa Radio Meteor Obs. http://www.amro-net.jp/radio.htm Mike Otte W9YS mailto:mike.otte96@gmail.com Enrico Stomeo, Planetario di Venezia http://www.astrovenezia.net/planetario.htm Jochen Plessmann, WHS Walter Hohmann Sternwarte http://www.walter-hohmann-sternwarte.de/ SKiYMET Radar http://www.iap-kborn.de/radar/Radars/ALWIN/index_eng.htm Wayne Sanders http://users.xplornet.com/~rdlobs/ Andy Smith http://www.tvcomm.co.uk/radio - Live audio available Chris Steyaert Mol, Belgium mailto:observations@rmob.org Most recent spectrograms: http://www.rmob.net Radio meteor mailing list (English): radiometeoren@ls.vvs.be, send 'subscribe' in subject or body to radiometeoren-request@ls.vvs.be Twitter @rmob_org Dave Swan http://www.radiodesignservices.co.uk Istvan Tepliczky Online: http://www.galileowebcast.hu/radiometeor Pierre Terrier http://radio.meteor.free.fr/ Meteor mailing list: mailto:meteor-request@ml.free.fr?subject=subscribe Maarten Vln https://www.vvs.be/werkgroepen/werkgroep-radioastronomie/beelden-radiometeoren-op-internet-zetten Joseph Welkenhuyzen https://sites.google.com/site/rmopv2/home-1 Richard White, Gi4DOH http://www.ramfihaz.com/information.htm -- Christian Steyaert (RMOB2109) 6 October 2021 --