Meteor Observation Bulletin No. 285 www.rmob.org April 2017 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 | April 2017 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h|125 137 118 108 155 132 121 130 144 151 158 116 140 159 150 1 |124 152 154 161 161 156 126 148 150 156 146 163 154 173 149 2 |141 159 151 156 151 152 160 143 148 164 162 151 180 135 146 3 |125 151 150 122 160 135 145 175 142 142 123 126 139 139 107 4 |117 127 130 114 131 122 106 154 129 132 135 138 125 117 129 5 |105 108 121 101 143 128 126 119 125 113 128 137 120 138 117 6 |118 110 119 135 114 113 116 121 130 131 118 122 119 131 136 7 |126 104 105 129 129 126 113 136 131 146 147 118 114 118 125 8 | 90 116 124 122 111 124 124 118 126 129 124 120 131 117 132 9 |106 99 126 95 134 103 119 129 134 140 122 142 133 112 118 10 |116 111 139 104 107 121 105 112 122 139 118 110 114 117 128 11 | 89 109 113 119 107 106 108 105 121 100 125 136 101 103 117 12 | 91 100 100 106 92 102 110 93 117 103 94 100 102 115 101 13 | 88 102 94 93 97 81 90 95 118 89 80 98 94 94 98 14 | 80 80 77 75 75 69 79 82 92 77 56 92 79 65 95 15 | 66 64 71 62 59 68 68 68 63 55 55 64 73 48 72 16 | 60 38 47 53 59 54 53 58 47 47 44 50 54 51 55 17 | 31 36 37 45 33 40 44 46 54 45 49 49 39 38 41 18 | 37 37 41 42 31 48 56 43 54 42 34 38 49 38 50 19 | 51 43 59 47 54 46 52 38 54 46 54 50 47 50 38 20 | 62 58 49 71 58 52 49 54 71 52 51 45 56 53 63 21 | 64 69 67 103 69 78 81 78 69 65 80 78 84 64 76 22 |100 108 78 90 92 107 84 94 97 97 88 91 98 106 106 23 |102 115 108 119 104 136 115 118 127 134 112 112 121 114 118 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2017 | April 2017 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h|139 0 151 140 155 158 145 129 152 174 193 151 148 1 |149 0 146 160 147 179 140 130 147 148 167 147 135 2 |139 0 135 160 144 155 121 134 106 155 150 125 133 3 |132 0 139 145 132 136 161 119 118 148 138 136 122 4 |122 0 141 149 128 123 154 128 143 152 157 117 150 5 |122 0 156 155 149 147 127 118 133 170 178 150 130 6 |136 0 116 134 156 159 128 134 137 150 164 109 144 7 |130 0 122 136 151 124 142 121 118 153 153 107 122 8 |120 0 156 149 129 137 112 113 135 163 128 136 116 9 |100 0 116 114 136 132 117 119 137 127 99 126 142 10 |110 0 59 106 119 118 120 104 126 151 146 136 144 126 11 |127 0 96 120 121 112 124 124 111 145 117 108 91 100 12 |102 0 103 85 100 117 94 95 101 123 106 74 88 104 13 | 87 0 97 69 87 86 84 84 90 104 120 103 99 82 14 | 92 0 64 64 70 72 53 70 62 78 76 73 63 66 15 | 0 47 53 40 60 57 48 57 59 64 62 65 42 16 | 0 49 40 38 53 40 50 36 56 58 69 44 51 17 | 0 41 57 36 51 52 35 52 56 87 39 34 39 18 | 0 49 55 52 47 55 50 47 69 63 44 39 55 19 | 0 66 51 64 73 59 82 67 64 72 73 59 56 20 | 0 86 99 87 99 90 82 85 122 89 77 86 83 21 | 0 99 101 121 107 109 73 90 107 118 95 99 110 22 | 0 120 116 142 136 116 127 108 141 145 121 134 128 23 | 0 130 147 152 148 133 155 135 171 166 134 122 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2017 Enrico Stomeo ---------------------------------------------------------------------- Observer: Michael Boschat Location: Halifax, Canada (63 36' W, 44 39' N, 58 meters above sea level) Listening Frequency: 76.310 MHz Ch.5 digital TV 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 | April 2017 UT | 15 16 17 18 19 20 21 22 23 24 25 ---+------------------------------------------- 10h| - 5 13 8 - - 2 15 8 - 6 11 | 15 8 18 8 5 5 5 17 11 - 10 12 | 16 12 12 6 6 6 17 12 15 - 8 13 | 20 16 11 15 13 13 14 11 9 - 20 14 | 12 15 20 9 - 15 19 16 7 - 12 15 | 28 20 22 12 - 23 10 11 17 8 4 16 | - 19 19 - - 11 - 15 12 5 - 17 | - - - - - 14 - - - - - ---+------------------------------------------- UT | 15 16 17 18 19 20 21 22 23 24 25 | April 2017 Notes: . moved to new location, radio rates down . no corrections for radiant position made to the counts. . ( - ) means no observations made. Mike Boschat ---------------------------------------------------------------------- Observer: Jeff Brower Location: Kelowna, British Columbia, Canada (49 51' N, 119 34' W) at 427 meters Receiver: ICOM PRC 000 CW mode Sensitivity: 0.32 uV for 10 dB S/N for CW mode Antenna: 5 element log Periodic az 90 deg (East) Frequency: 61.240 MHz Transmitter: Multiple 100 kW Computer: Linux - WINE Data sampling system: Spectrum Lab counting echoes Meteor reflections/hour | April 2017 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 30 25 33 28 24 35 22 32 32 44 18 17 19 17 16 1 | 30 30 43 42 19 32 36 25 22 42 28 18 24 23 14 2 | 32 49 43 40 32 38 40 41 25 39 24 24 31 21 14 3 | 44 44 37 51 48 42 36 57 23 74 23 20 20 16 23 4 | 53 45 59 43 40 41 65 47 45 34 29 24 23 22 26 5 | 49 50 65 56 61 60 57 25 46 26 30 37 32 22 27 6 | 72 77 99 71 78 91 72 68 64 33 37 32 37 39 42 7 | 78 88 85 -- 112 104 109 90 82 -- 30 30 46 36 41 8 | 83 117 74 -- 115 96 110 89 51 -- 40 42 40 26 52 9 | 53 88 66 118 119 81 93 74 37 -- 33 31 26 37 36 10 | 68 80 74 96 98 68 73 85 46 -- 56 31 23 30 28 11 | 46 91 49 76 63 76 74 64 43 -- 33 28 28 23 31 12 | 61 90 58 65 75 72 66 77 33 -- 31 40 34 19 40 13 | 72 79 46 64 90 74 65 62 34 29 36 52 31 52 -- 14 | 84 63 52 70 78 71 86 37 19 38 25 31 33 42 -- 15 | 69 68 75 73 67 82 102 35 39 38 31 30 43 37 30 16 | 91 84 77 59 62 103 107 72 98 50 37 35 41 31 36 17 | 77 77 55 61 66 90 99 78 115 34 35 38 40 31 30 18 | 65 50 68 53 48 86 88 67 103 33 27 37 34 28 29 19 | 48 45 58 54 48 78 66 59 93 23 21 19 26 21 20 20 | 32 56 34 39 44 58 64 27 61 23 -- 18 20 18 12 21 | 31 27 27 38 45 36 44 31 39 22 18 16 31 16 13 22 | 25 26 39 17 41 34 47 26 22 21 15 16 15 12 21 23 | 30 24 31 22 22 22 32 23 44 13 18 10 17 19 19 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2017 | April 2017 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 20 10 9 12 25 19 26 20 17 9 10 10 26 25 -- 1 | 17 10 21 23 13 23 12 15 13 21 23 26 28 16 -- 2 | 26 19 27 23 25 26 26 17 17 14 20 19 27 31 -- 3 | 34 22 23 19 15 17 17 23 17 18 19 28 25 24 -- 4 | 26 31 24 25 25 21 27 28 26 24 27 33 30 31 -- 5 | 31 36 26 33 24 33 39 38 23 28 40 27 29 30 -- 6 | 35 35 36 29 33 39 28 43 32 38 52 29 55 —- -- 7 | 33 52 44 38 31 57 38 44 43 47 50 38 41 —- -- 8 | 48 45 43 51 33 51 42 46 30 39 40 49 57 —- -- 9 | 28 37 39 37 44 60 36 50 22 36 41 36 53 —- -- 10 | 38 44 33 41 33 33 49 37 29 34 36 35 43 —- -- 11 | 16 31 36 38 32 39 39 47 37 35 27 38 39 —- -- 12 | 31 36 36 48 37 45 46 40 36 43 39 52 51 —- -- 13 | 48 37 39 55 26 40 51 54 50 33 55 47 50 —- -- 14 | 34 39 36 34 30 32 40 51 36 50 54 61 57 —- -- 15 | 54 42 34 33 41 62 54 41 46 28 44 42 73 —- -- 16 | 39 45 26 29 51 57 47 50 37 -- 58 47 66 —- -- 17 | 29 45 18 28 49 36 50 52 38 -- 36 46 42 —- -- 18 | 11 37 25 19 33 29 27 40 29 42 36 49 41 —- -- 19 | 21 19 29 25 36 30 20 27 35 32 31 39 31 —- -- 20 | 16 28 28 26 28 20 21 12 23 16 19 28 41 —- -- 21 | -- 29 28 26 22 23 16 19 25 19 18 29 19 —- -- 22 | 18 24 21 17 29 23 21 17 25 22 13 32 22 —- -- 23 | 16 19 16 12 18 18 17 17 23 17 16 24 20 —- -- ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2017 Notes: . Es = Sporadic E or Au . Local time is PST or UT-8 -- = System Down . My TV station appears to be off the air at the end of April. I am hoping it is temporary. As you can see I had much higher counts the first part of the month then the counts dropped by about 50%. This usually means they reduced power during problems at the transmitter. Jeff Brower NK0L ---------------------------------------------------------------------- Observer: Johan Coussens Location: Harelbeke, Belgium (3 20' E, 50 51' 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: crossed dipole RHCP, elev 90 deg Receiver: HRO MRX-50 Computer: Pentium 3 - 1.7 GHz desktop Observing method: Spectrumlab, Colorgramme RMOB Lab v 2.3 | April 2017 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 13 7 9 12 21 15 15 12 9 15 14 14 1 | 19 10 21 19 21 15 24 14 10 11 11 11 2 | 17 9 21 15 22 23 16 8 14 20 18 11 3 | 21 9 12 7 16 17 24 9 9 12 18 22 4 | 26 12 17 8 15 19 25 19 15 12 14 15 5 | 14 5 16 11 21 9 9 13 7 9 7 14 6 | 11 8 13 11 6 11 22 13 14 14 14 17 7 | 9 10 14 21 9 14 19 14 11 11 21 14 8 | 14 16 27 5 12 11 17 13 9 15 22 19 9 | 10 18 20 6 4 13 3 3 5 21 9 11 10 | 11 6 9 5 7 12 3 5 1 12 5 11 11 | 13 0 7 5 11 14 7 1 5 16 7 6 12 | 13 1 1 9 11 14 3 1 5 9 9 9 13 | 8 2 4 11 6 4 3 3 8 11 11 10 14 | 8 2 4 17 12 18 5 11 7 16 12 15 | 10 6 17 10 10 6 9 5 9 17 8 16 | 13 8 5 13 5 11 7 8 6 15 21 17 | 11 5 10 15 12 9 6 9 15 10 9 18 | 6 7 9 7 4 2 5 9 10 6 4 19 | 4 2 6 4 6 7 10 3 2 6 9 20 | 8 3 11 3 7 12 3 5 1 8 8 21 | 7 1 7 6 5 17 9 6 3 8 8 22 | 4 5 2 16 11 9 13 8 5 7 9 23 | 12 9 10 18 11 14 13 8 10 9 18 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2017 | April 2017 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 8 6 14 14 12 15 1 | 12 14 14 12 12 16 2 | 15 10 13 10 9 11 3 | 15 19 16 16 17 15 4 | 15 15 21 15 20 10 5 | 4 14 14 12 12 16 6 | 11 11 12 12 8 16 7 | 14 11 16 15 8 7 8 | 4 15 12 11 8 8 9 | 9 8 14 9 6 4 10 | 3 8 12 7 1 4 11 | 2 4 18 10 14 5 12 | 4 5 14 10 8 6 13 | 7 11 20 16 8 14 | 4 8 13 16 14 15 | 5 10 10 13 6 16 | 6 6 8 10 11 4 17 | 8 7 6 10 5 8 18 | 8 6 11 6 6 9 19 | 7 7 11 8 4 7 20 | 8 3 8 11 2 4 21 | 9 7 12 4 7 12 22 | 7 11 15 3 12 5 23 | 9 8 12 5 7 10 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2017 Johan Coussens ---------------------------------------------------------------------- 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, Spaun HAV100F Cable TV pre amp Receiver: Icom PCR-1000 Observing method: Spectrumlab, Colorgramme RMOB Lab v 2.5 | April 2017 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 3 7 4 9 10 5 8 6 12 7 5 7 5 9 9 1 | 7 9 11 10 9 10 12 5 7 4 6 3 13 3 4 2 | 10 7 11 6 8 6 9 3 7 10 5 7 4 9 11 3 | 3 11 10 8 9 6 10 5 9 6 7 6 5 13 6 4 | 7 9 4 7 8 5 9 5 5 4 4 5 4 6 4 5 | 4 1 4 8 6 6 7 7 16 5 2 9 7 4 5 6 | 9 4 5 4 3 11 0 7 6 9 9 4 2 4 4 7 | 9 2 1 6 5 2 10 6 6 5 2 6 2 7 5 8 | 6 4 3 4 2 3 5 8 6 7 5 8 4 2 2 9 | 1 4 1 5 4 3 2 4 1 2 4 1 6 2 1 10 | 0 1 2 1 1 3 1 2 2 2 1 6 1 1 3 11 | 1 2 3 3 2 2 3 0 4 4 2 1 2 2 3 12 | 2 3 3 2 0 5 1 2 0 5 0 7 2 3 0 13 | 5 1 4 2 4 1 0 1 1 3 0 4 2 2 3 14 | 3 4 2 2 3 2 0 3 1 5 2 3 1 1 4 15 | 2 1 4 1 2 3 1 3 2 2 1 1 1 2 1 16 | 4 0 0 0 2 1 1 3 2 0 1 1 3 4 2 17 | 0 1 2 3 1 0 0 2 4 3 1 1 2 2 1 18 | 1 1 1 0 1 2 2 1 3 0 1 1 4 3 5 19 | 3 4 5 2 2 3 5 2 2 2 1 0 2 2 5 20 | 3 4 1 4 4 4 3 4 6 2 1 2 2 1 2 21 | 2 6 4 8 7 7 6 6 4 5 4 2 8 9 5 22 | 5 7 1 8 5 11 7 5 1 4 2 9 5 6 6 23 | 8 8 8 7 4 13 3 5 9 11 9 5 5 12 6 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2017 | April 2017 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 10 6 3 4 3 3 10 9 6 4 7 7 2 0 6 1 | 7 6 5 3 2 9 8 7 5 5 3 2 6 0 9 2 | 7 8 6 5 1 9 14 8 1 9 1 5 4 0 2 3 | 4 5 1 3 5 9 5 3 4 10 7 10 3 0 11 4 | 6 4 3 2 2 5 10 11 10 9 1 5 2 0 5 5 | 3 10 3 1 2 6 7 6 6 7 2 4 7 0 6 6 | 6 8 4 2 2 6 9 5 5 9 6 9 6 0 4 7 | 7 8 0 1 1 7 9 3 7 6 0 7 8 9 1 8 | 1 6 1 2 1 3 6 8 6 9 1 4 2 1 0 9 | 6 2 0 0 3 6 3 5 1 3 0 3 3 0 1 10 | 2 1 1 0 4 2 1 3 3 8 1 2 3 0 0 11 | 3 4 0 0 1 5 5 4 1 3 2 7 1 32 0 12 | 1 3 0 1 4 2 3 3 3 5 3 5 1 3 13 | 0 3 1 1 2 2 3 2 5 5 2 6 3 1 14 | 3 0 1 2 2 2 7 2 4 4 2 2 2 0 15 | 4 2 0 1 5 1 0 5 1 4 5 4 1 0 16 | 2 2 1 0 5 1 3 1 2 1 0 5 2 1 17 | 1 0 0 0 0 2 2 1 1 0 2 3 0 1 18 | 2 2 1 2 2 2 2 1 1 4 0 1 2 2 19 | 2 2 1 0 3 1 3 1 1 3 2 2 1 3 20 | 6 6 1 0 6 5 5 2 4 1 1 3 0 4 21 | 3 8 0 0 4 7 7 3 4 9 6 2 0 4 22 | 7 2 3 0 5 13 5 8 6 5 5 3 0 2 23 | 3 3 6 0 11 4 9 4 3 1 6 5 0 8 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2017 Jochen Plessmann --------------------------------------------------------------------------- Observer: Fabio Moschini Location: Rovereto, Italy (11 00' E, 45 52' N) Frequency: 143.05 MHz Graves Receiver: Yaesu FTG-9600 Antenna: Yagi 4 elements Antenna Direction: elev 20 deg, azimuth 294 deg (W) Computer: Pentium Win7 Observing method: Spectrumlab + Colorgramme RMOB Lab v 3.0 | April 2017 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 93 65 71 49 108 48 134 91 134 132 151 102 134 158 1 |136 35 132 56 133 61 164 139 135 109 189 98 166 171 2 |132 65 103 78 137 75 152 138 120 86 167 99 164 166 3 |137 110 124 103 140 109 175 168 58 51 127 88 163 166 4 |111 119 122 89 112 107 161 170 53 64 104 107 134 148 5 |101 107 118 93 126 139 128 126 86 102 86 96 113 113 6 |100 119 100 68 68 115 136 143 59 96 63 93 61 132 7 |127 94 90 51 33 67 144 61 83 72 51 75 63 104 8 |154 58 65 76 50 72 124 50 63 58 75 54 89 141 9 | 98 74 57 68 101 66 81 69 113 74 82 76 65 93 165 10 | 98 133 74 85 100 65 72 123 117 68 82 87 8 76 110 11 | 66 113 117 108 112 75 96 111 94 87 66 97 52 132 127 12 | 76 87 89 70 80 47 72 61 97 85 82 109 84 89 154 13 |116 71 64 65 67 41 52 71 120 66 76 94 77 76 144 14 |106 80 47 76 56 53 53 74 108 58 56 54 63 63 114 15 | 54 62 39 46 33 61 53 64 78 52 35 60 34 66 188 16 | 51 32 40 60 61 75 76 64 62 54 57 67 70 80 85 17 | 46 18 30 69 46 53 62 56 66 42 69 64 47 48 63 18 | 63 25 40 71 31 55 52 34 49 19 50 79 46 55 31 19 | 69 40 46 37 33 57 33 53 49 41 62 24 34 61 20 | 23 42 52 43 32 71 58 49 72 60 59 46 40 60 21 | 54 50 54 48 59 51 85 40 79 71 75 164 72 83 22 | 54 47 70 55 78 87 62 92 96 95 92 115 99 86 23 | 66 25 80 80 82 113 37 96 96 121 114 125 146 112 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2017 | April 2017 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h|119 51 88 43 52 111 124 111 120 119 25 74 78 97 1 |106 68 133 49 54 94 120 124 121 127 2 70 116 81 2 | 79 72 114 44 48 83 137 113 119 131 34 70 103 60 3 | 69 96 120 83 62 38 112 119 121 97 48 70 101 82 4 | 98 125 95 100 96 50 120 140 115 73 58 42 122 62 5 | 77 100 73 88 113 60 102 124 83 54 57 45 103 59 6 |101 90 78 88 94 49 85 93 57 54 74 40 93 44 7 | 67 68 71 65 47 53 94 112 64 30 34 79 63 41 57 8 |110 72 73 56 54 36 84 99 95 55 34 83 82 41 90 9 | 95 78 82 58 59 38 96 104 97 87 39 71 80 76 98 10 |107 111 64 31 71 62 97 76 79 95 41 82 95 112 117 11 | 89 96 54 1 71 84 98 70 103 100 53 132 111 105 101 12 | 77 102 49 36 55 65 49 84 94 91 59 140 115 87 83 13 | 49 92 30 28 37 51 56 8 47 53 56 118 77 56 43 14 | 37 63 28 19 31 56 71 68 36 35 44 70 40 55 61 15 | 34 67 18 23 41 54 62 57 31 40 25 50 27 59 48 16 | 41 62 30 16 39 43 35 63 35 23 28 42 57 52 41 17 | 32 49 31 16 20 47 28 45 24 30 15 46 47 40 37 18 | 42 32 19 18 29 44 17 4 20 34 14 24 46 36 37 19 | 24 31 37 15 24 59 41 35 37 45 29 32 33 37 45 20 | 34 48 29 25 33 55 56 20 46 55 23 12 40 50 52 21 | 49 58 54 29 30 70 79 60 76 65 27 25 38 54 67 22 | 55 44 68 28 49 92 90 75 73 92 26 44 48 85 93 23 | 55 67 33 26 108 122 108 98 106 21 61 44 109 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2017 Fabio Moschini --------------------------------------------------------------------------- Observer: Mike Otte Location: Pearl City, IL, USA (42 20' N, 90 W) Frequency: 55.2595 MHz Antenna : 5 elem Yagi, az 290 deg, elev 60 deg, mystarband preamplifier Receiver: Alinco DX70 Computer: Compaq 2266 Observing method: Spectrum Lab Colorgramme RMOB Lab v 2.3 Total Counts | April 2017 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h|328 180 183 302 364 219 176 141 112 212 216 197 197 183 1 |366 164 194 391 324 207 161 141 126 217 252 255 209 211 2 |381 162 179 344 260 172 202 146 210 202 226 201 225 250 3 |229 156 143 255 240 198 164 130 192 173 196 179 164 153 4 |268 199 185 230 213 254 208 179 143 192 214 178 209 187 5 |341 216 179 250 206 333 251 197 218 242 248 187 240 221 6 |328 253 224 338 237 282 262 262 184 263 278 235 273 238 7 |323 231 199 277 259 316 300 255 190 253 237 252 246 253 8 |345 262 234 486 313 272 314 262 249 303 301 271 312 275 9 |319 231 275 344 306 315 310 289 284 354 320 347 352 285 10 |375 298 266 290 314 364 328 299 276 331 315 307 342 297 11 |354 339 316 374 334 363 354 347 340 395 386 358 390 364 12 |347 354 364 424 373 404 360 412 358 419 454 459 464 364 13 |415 354 339 477 459 453 411 378 450 422 447 425 471 421 14 |445 379 329 488 461 374 390 345 354 478 445 453 415 404 15 |436 318 293 437 433 390 378 296 345 376 388 364 344 383 16 |291 306 269 350 344 238 305 423 291 301 314 286 316 366 262 17 |220 237 240 270 328 325 261 267 255 258 274 268 378 268 207 18 |309 214 227 239 237 244 264 266 211 209 212 231 225 234 207 19 |222 159 236 180 243 238 213 167 136 146 201 167 200 195 182 20 |126 168 220 160 210 144 150 137 189 291 196 196 211 129 129 21 |138 153 156 157 245 164 186 162 215 191 149 224 176 211 22 |137 189 254 213 164 121 83 182 331 163 209 235 212 231 23 |121 178 282 241 209 218 114 120 263 193 218 157 198 142 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2017 | April 2017 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h|126 251 178 122 208 146 224 143 168 206 166 198 226 169 1 |175 304 296 167 260 162 165 210 197 196 243 120 143 281 2 |262 208 222 204 289 180 178 236 184 243 161 114 118 183 3 |157 186 229 180 278 183 153 191 191 184 139 206 149 132 4 |187 192 207 176 210 154 249 222 153 199 172 224 189 171 172 5 |189 251 265 248 253 233 264 253 237 218 222 184 215 203 207 6 |274 232 299 263 259 252 296 242 239 236 237 256 284 271 259 7 |271 268 267 282 245 238 321 249 245 253 245 258 212 237 248 8 |269 302 333 309 288 268 324 287 260 247 261 248 218 239 263 9 |288 386 337 340 340 288 477 288 310 326 279 288 283 264 278 10 |350 337 344 382 316 308 421 343 314 354 300 335 336 349 322 11 |397 358 412 435 371 390 445 383 404 429 381 366 363 404 411 12 |393 443 480 480 420 423 471 490 492 475 339 453 411 446 462 13 |412 456 466 464 432 424 475 404 459 440 457 439 465 412 14 |451 380 418 422 434 402 449 407 416 394 393 435 420 434 15 |386 380 398 387 364 347 361 364 366 347 312 323 413 371 16 |301 320 330 367 313 323 311 283 286 300 315 265 331 339 17 |337 237 249 339 290 236 258 224 285 247 221 271 305 322 18 |281 215 259 315 285 212 230 277 215 191 183 203 334 288 19 |286 209 220 201 162 263 207 252 235 195 185 162 311 289 20 |191 162 125 251 356 145 145 193 177 152 158 176 293 249 21 |181 151 131 190 203 171 158 154 120 134 125 156 217 218 22 |281 199 196 218 176 180 142 155 121 106 159 165 247 204 23 |258 121 166 172 112 162 222 162 147 147 156 220 164 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2017 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 P-II (360 MHz) Software MetAn 1.05 Data sampling system: calculation of number of signals is carried out at by visual viewing all kept screenshots. | April 2017 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 75 41 45 66 39 42 76 54 40 53 45 39 48 52 1 | 53 38 54 69 46 26 73 41 29 78 58 48 37 38 2 | 50 36 48 70 39 25 58 37 27 78 40 38 45 50 3 | 36 56 70 65 49 36 55 48 25 79 33 37 53 44 4 | 38 70 63 67 67 33 59 53 27 70 32 38 58 44 5 | 38 59 53 59 61 53 43 61 35 102 43 46 46 43 6 | 17 65 66 75 47 66 41 59 66 52 88 65 62 39 52 7 | 46 75 57 70 43 82 72 67 69 78 68 66 62 25 48 8 | 65 62 48 77 48 17 86 73 65 112 65 64 60 50 39 9 | 80 59 60 71 36 83 85 62 107 48 61 53 100 48 10 | 68 51 46 70 48 88 67 39 90 32 58 51 85 40 11 | 65 37 39 58 42 69 54 33 70 25 48 38 57 40 12 | 49 27 35 34 24 19 43 30 36 43 34 40 29 48 25 13 | 43 22 26 28 11 47 32 28 18 33 23 43 15 34 22 14 | 40 8 20 29 10 24 30 26 38 18 19 18 16 35 26 15 | 30 12 12 21 18 28 18 18 31 20 9 19 16 35 11 16 | 19 14 12 14 27 23 25 19 39 23 16 17 27 6 17 | 17 8 17 22 10 22 26 13 21 10 9 18 20 30 8 18 | 39 25 32 18 16 23 27 21 29 20 32 29 16 23 13 19 | 68 26 22 20 29 28 30 24 35 26 21 34 23 17 12 20 | 58 27 27 31 25 32 34 32 31 38 31 28 20 14 25 21 | 52 52 27 40 33 31 52 47 50 44 42 28 33 26 15 22 | 64 31 39 39 22 47 52 52 43 52 41 49 28 27 27 23 | 71 44 38 62 36 36 50 57 40 68 53 40 37 45 32 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2017 | April 2017 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 35 39 28 40 31 51 53 36 40 44 49 44 49 42 58 1 | 33 38 32 34 29 33 46 50 29 55 48 40 51 45 27 2 | 34 31 22 30 27 46 52 29 43 39 33 33 41 44 34 3 | 39 35 30 40 30 40 34 30 44 53 27 31 64 42 41 4 | 32 44 41 43 26 53 48 34 43 65 40 59 59 49 48 5 | 48 50 36 38 42 97 37 47 43 73 47 55 66 87 52 6 | 51 48 47 41 31 7 67 35 50 80 39 73 104 149 65 7 | 54 53 42 52 45 72 78 63 66 60 77 75 93 143 77 8 | 69 42 52 52 68 47 72 44 52 46 72 118 81 108 110 9 | 56 53 50 57 45 60 72 67 41 45 71 113 65 86 68 10 | 61 49 60 49 59 41 45 55 36 35 61 99 44 59 89 11 | 42 49 41 41 44 43 42 29 37 45 66 82 45 56 82 12 | 42 24 31 36 25 33 26 26 31 32 51 37 46 28 52 13 | 35 17 34 25 17 30 21 26 27 37 35 63 47 31 49 14 | 26 13 11 21 21 24 21 22 16 37 33 49 52 24 50 15 | 18 27 17 15 21 15 21 21 19 30 27 52 35 21 30 16 | 18 45 28 22 17 21 17 11 16 30 21 29 29 26 35 17 | 15 17 24 32 21 23 13 14 17 22 27 22 14 38 37 18 | 21 28 10 24 18 27 13 28 26 29 25 29 23 21 24 19 | 26 27 22 30 42 22 43 23 20 38 46 19 24 45 44 20 | 28 16 16 29 56 34 43 27 26 40 34 25 28 33 41 21 | 24 25 13 29 51 44 49 26 33 67 48 22 40 47 57 22 | 42 26 31 40 50 34 41 30 32 55 49 26 64 74 71 23 | 40 32 21 28 59 36 50 34 59 72 33 44 82 66 65 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2017 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 90 deg (W), below roof cam Receiver: HRO MRX-50 Computer: Toshiba Satellite 1555CDS, Win98 Observing method: manual count of Speclab recordings | April 2017 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 91 68 90 78 81 70 60 67 61 73 29 62 75 57 74 1 | 77 65 70 77 73 76 71 74 58 79 29 79 77 56 67 2 | 82 51 69 74 79 75 55 77 59 84 49 72 53 61 72 3 | 75 60 74 70 64 70 53 52 62 54 50 69 70 60 68 4 | 58 73 66 62 74 58 46 61 54 66 54 56 63 48 71 5 | 40 51 52 64 61 37 25 43 28 39 59 43 54 41 51 6 | 46 42 39 43 50 25 17 24 20 34 50 44 22 36 20 7 | 36 40 48 37 44 27 23 26 23 32 32 29 32 30 34 8 | 42 34 49 73 58 38 25 25 24 27 21 28 54 34 24 9 | 39 25 38 74 44 20 27 22 27 25 24 21 34 33 23 10 | 25 34 61 59 51 23 16 15 14 24 33 25 34 28 23 11 | 28 40 45 57 53 38 24 22 21 21 19 29 27 20 32 12 | 40 30 32 52 36 23 21 15 18 21 19 40 36 22 29 13 | 28 43 42 52 40 11 31 15 23 28 22 31 26 20 21 14 | 28 29 36 40 35 23 16 15 15 13 19 20 15 23 22 15 | 20 17 26 38 22 20 16 13 17 10 22 34 13 16 12 16 | 29 11 18 31 25 12 13 10 15 13 12 28 24 14 14 17 | 14 21 12 20 6 19 9 15 10 10 16 28 15 14 13 18 | 15 19 18 13 11 7 15 6 10 11 11 19 14 15 11 19 | 17 16 25 21 19 17 17 18 12 10 15 17 20 15 13 20 | 27 33 25 28 27 29 27 23 15 15 24 18 18 19 12 21 | 26 32 32 29 13 22 29 18 26 24 32 25 26 40 33 22 | 30 32 40 37 16 34 41 38 34 21 30 35 31 32 38 23 | 44 61 57 73 57 37 51 53 41 25 41 51 45 62 49 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2017 | April 2017 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 75 41 85 77 65 74 77 86 74 52 72 74 80 79 49 1 | 85 73 76 74 66 63 72 94 69 85 53 77 71 66 86 2 | 75 63 62 76 69 64 91 93 73 77 72 85 81 61 67 3 | 69 61 62 89 66 70 78 81 79 79 69 93 69 78 59 4 | 59 54 68 66 69 83 86 80 79 70 68 77 70 70 69 5 | 50 64 59 51 69 46 52 64 62 60 63 61 67 60 58 6 | 27 29 54 52 55 44 43 47 28 74 39 37 40 32 35 7 | 27 31 30 68 52 28 43 37 40 39 36 29 39 50 40 8 | 22 23 45 76 43 50 43 28 47 44 36 37 41 30 28 9 | 27 26 37 58 53 41 33 39 33 36 41 31 21 26 23 10 | 25 25 32 76 39 36 26 19 36 42 40 30 25 18 21 11 | 19 31 24 50 33 35 31 38 26 32 36 23 21 16 19 12 | 24 23 29 58 52 35 26 15 28 23 24 69 25 32 28 13 | 15 22 32 53 39 35 32 27 25 25 33 45 27 20 25 14 | 12 26 12 37 55 37 30 33 27 20 31 46 25 29 21 15 | 17 25 23 46 43 27 13 22 24 20 53 37 17 16 16 16 | 12 14 14 21 27 23 17 18 23 20 30 25 18 19 13 17 | 11 16 9 31 13 19 20 17 14 9 25 26 12 12 6 18 | 13 12 15 28 10 15 14 14 12 15 27 17 10 21 15 19 | 14 28 16 21 23 18 14 13 10 18 21 21 8 23 12 20 | 22 10 23 19 19 29 16 13 16 25 36 24 26 15 15 21 | 21 15 31 35 26 30 19 31 18 32 36 31 30 29 22 22 | 30 18 32 33 31 36 44 32 16 36 38 44 28 32 33 23 | 40 63 65 63 71 43 58 60 30 53 60 59 44 44 53 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2017 Chris Steyaert --------------------------------------------------------------------------- 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 harddisks for further analysis. Only overdense meteor reflections are counted manually and used for statistics] Duration >= 2 seconds | April 2017 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 1 0 2 0 2 3 1 1 0 0 0 1 2 1 0 1 | 2 1 1 3 1 3 3 1 1 1 1 0 2 0 0 2 | 1 1 2 0 1 2 3 1 3 0 1 1 0 0 4 3 | 0 1 1 3 3 3 4 0 1 0 1 1 4 1 3 4 | 0 1 3 3 2 5 3 2 1 1 1 3 4 3 1 5 | 1 3 1 2 1 3 5 1 5 1 1 2 0 1 2 6 | 2 1 1 0 1 6 0 1 0 4 4 3 1 7 1 7 | 0 1 1 2 3 0 3 1 0 0 0 1 3 3 3 8 | 3 2 5 3 1 3 3 4 2 3 0 3 2 1 1 9 | 2 3 1 3 2 4 1 4 1 1 1 0 0 4 2 10 | 3 0 2 1 3 3 0 2 1 0 3 0 0 3 3 11 | 1 1 2 2 0 2 1 0 1 1 1 1 0 0 0 12 | 3 1 0 0 0 2 2 0 0 3 0 0 2 2 0 13 | 0 0 0 0 0 0 1 0 0 1 0 1 2 1 1 14 | 0 1 0 0 0 0 1 1 0 0 1 0 0 1 1 15 | 0 0 0 1 2 1 2 0 0 0 1 0 0 0 0 16 | 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 17 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18 | 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 19 | 0 0 0 0 0 0 0 1 0 0 0 0 0 1 2 20 | 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 21 | 0 0 0 1 0 1 0 0 0 2 0 1 0 2 0 22 | 1 1 1 1 1 0 2 2 0 1 0 1 0 0 1 23 | 0 1 1 0 0 0 0 0 1 1 1 1 0 2 0 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2017 | April 2017 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 0 0 0 0 0 0 1 2 2 1 1 3 0 2 3 1 | 0 0 1 0 1 3 2 4 0 3 1 2 1 2 3 2 | 1 1 3 2 0 3 4 8 1 1 0 1 1 2 3 3 | 4 1 4 0 0 2 2 2 3 2 3 1 1 2 5 4 | 2 3 3 0 0 4 2 4 4 6 3 3 3 2 1 5 | 2 5 1 1 0 4 1 3 4 5 3 0 1 1 4 6 | 6 3 2 4 8 6 3 5 2 4 4 2 4 2 4 7 | 1 4 2 2 3 4 4 2 2 1 5 4 3 6 4 8 | 1 2 4 4 6 3 7 2 3 1 2 4 1 1 3 9 | 4 3 3 2 5 6 5 3 3 3 2 3 5 2 2 10 | 1 2 2 2 1 2 3 1 1 3 1 0 0 2 0 11 | 2 1 0 1 0 3 2 2 2 3 2 5 1 1 0 12 | 2 1 1 0 0 1 0 1 0 2 1 1 1 4 0 13 | 0 0 1 2 0 0 1 1 0 1 0 2 2 2 0 14 | 0 0 1 0 0 1 0 0 1 1 0 2 0 1 1 15 | 0 0 0 2 2 0 0 0 0 0 3 0 0 0 0 16 | 0 0 0 1 1 0 0 0 0 1 1 0 0 0 2 17 | 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 18 | 0 1 1 0 0 0 0 0 0 0 0 0 0 0 1 19 | 0 1 0 0 0 0 2 0 0 1 1 0 0 1 1 20 | 0 2 0 1 1 1 2 0 2 1 2 0 0 0 1 21 | 1 2 2 1 0 3 2 0 0 1 2 0 1 0 1 22 | 1 2 0 0 1 3 2 1 1 3 1 0 2 0 1 23 | 0 1 0 3 3 3 4 2 0 1 1 0 0 1 1 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2017 Duration >= 10 seconds | April 2017 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 | 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 | 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 3 | 0 0 0 1 1 0 1 0 0 0 1 0 0 0 0 4 | 0 0 0 1 1 1 0 1 0 1 1 0 0 1 0 5 | 0 0 0 0 0 0 0 0 2 1 0 1 0 0 0 6 | 0 0 0 0 0 2 0 0 0 0 1 2 0 1 0 7 | 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 8 | 1 0 2 1 0 1 0 1 1 0 0 0 0 0 0 9 | 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 10 | 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 11 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 | 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 13 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14 | 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 15 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 22 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23 | 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2017 | April 2017 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 0 0 0 0 0 0 0 2 0 0 0 2 0 1 0 1 | 0 0 0 0 0 1 0 2 0 0 0 0 0 0 0 2 | 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 3 | 0 0 3 0 0 0 1 0 1 1 1 0 0 0 0 4 | 0 1 0 0 0 2 1 1 1 1 0 0 1 0 1 5 | 0 2 0 0 0 1 0 1 0 1 2 0 0 0 2 6 | 0 0 1 1 2 0 0 1 1 1 0 0 0 0 0 7 | 0 0 0 1 2 2 1 0 0 0 0 0 0 0 0 8 | 0 1 1 1 0 0 1 1 0 0 0 0 0 0 0 9 | 0 0 0 0 0 1 1 1 0 0 0 0 1 0 1 10 | 0 0 1 1 0 0 0 1 0 1 0 0 0 0 0 11 | 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 12 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13 | 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 14 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19 | 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 20 | 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 21 | 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 22 | 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 23 | 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2017 Felix Verbelen --------------------------------------------------------------------------- Observer: John Wardle Location: Bridlington, UK, 54 05' 27" N, 0 11' 02" W Frequency: 143.05 MHz GRAVES Antenna: 3 elem Yagi in loft, Az 0 deg (S), elev 20 deg Receiver: MVT-7100 Computer: ThinkPad T61, Linux Xubuntu, JAnalyzer Software: Spectrum Lab + Colorgramme RMOB Lab v 2.9 | April 2017 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 39 42 40 33 41 34 30 44 39 50 46 44 36 39 40 1 | 38 44 40 47 46 45 49 48 44 50 42 58 32 42 48 2 | 43 43 44 46 35 47 50 44 44 60 40 41 42 55 55 3 | 45 39 41 47 42 37 51 45 34 41 56 44 41 35 41 4 | 44 37 39 39 31 42 36 37 39 43 46 50 34 37 40 5 | 41 36 27 40 34 42 41 44 41 46 37 43 31 38 45 6 | 30 43 37 34 48 35 40 57 39 47 41 27 36 32 44 7 | 37 35 34 29 17 43 19 29 49 48 37 37 36 32 44 8 | 34 27 26 27 36 28 37 24 42 25 22 28 37 27 22 9 | 21 24 24 24 18 23 36 34 25 35 30 23 20 20 13 10 | 24 25 21 32 30 23 28 28 35 26 26 19 25 23 15 11 | 31 18 24 38 23 24 28 31 24 30 21 18 23 22 16 12 | 26 32 18 24 26 20 33 31 37 25 14 20 30 21 30 13 | 19 29 14 28 22 21 35 29 25 27 20 26 29 19 21 14 | 21 32 21 21 11 17 23 27 21 19 12 20 18 15 26 15 | 18 18 20 18 19 14 12 18 22 19 20 19 28 11 20 16 | 21 13 8 17 13 19 15 20 14 23 15 10 12 12 9 17 | 10 13 10 17 8 11 14 13 19 15 15 11 14 10 11 18 | 11 9 12 7 12 14 16 14 21 8 14 24 6 10 15 19 | 15 17 17 12 19 11 16 19 15 16 20 14 17 21 16 20 | 18 20 29 8 17 16 10 23 20 15 17 21 11 19 13 21 | 31 26 23 17 19 14 21 32 21 32 24 17 24 26 27 22 | 27 33 29 42 28 35 25 32 33 38 32 26 19 33 31 23 | 25 31 42 35 35 34 31 38 47 42 56 39 32 34 39 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2017 | April 2017 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 38 53 25 43 54 35 52 50 43 51 38 38 38 36 50 1 | 37 38 32 63 39 38 56 51 45 41 43 36 32 39 49 2 | 40 54 23 55 56 40 53 49 58 44 44 55 43 44 51 3 | 42 52 39 42 48 43 47 54 39 34 34 54 44 39 47 4 | 50 44 47 48 42 70 53 51 52 38 45 65 56 43 5 | 37 36 54 49 44 74 71 54 41 46 55 77 56 66 6 | 43 25 55 42 48 68 69 40 47 55 61 62 66 43 7 | 36 28 40 54 37 22 36 37 41 34 72 35 34 37 8 | 32 26 42 35 37 31 24 39 46 30 55 34 16 24 9 | 27 21 27 29 24 26 26 28 33 40 33 27 22 20 26 10 | 21 15 25 29 20 25 21 30 34 33 38 33 17 26 23 11 | 21 21 19 23 15 23 37 22 34 31 37 32 24 17 23 12 | 27 38 16 22 19 31 24 24 36 31 44 32 26 22 34 13 | 28 28 25 22 23 21 32 25 35 32 31 32 22 28 29 14 | 23 17 22 17 22 27 24 21 25 24 22 34 23 25 18 15 | 19 14 13 13 20 16 25 29 20 26 23 13 14 19 26 16 | 15 16 15 11 11 9 11 19 19 20 13 15 5 14 11 17 | 12 11 9 19 22 17 13 10 19 12 14 10 15 7 16 18 | 16 14 11 14 7 9 9 8 18 14 15 7 15 11 10 19 | 18 17 20 11 7 26 14 12 12 18 24 19 9 19 13 20 | 14 21 12 15 22 9 20 18 23 13 15 14 18 19 21 21 | 29 12 12 32 24 23 21 25 23 21 16 25 16 26 16 22 | 42 35 32 35 32 40 41 36 29 23 32 27 25 29 23 | 30 34 41 42 40 45 51 32 35 36 33 40 32 41 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2017 John Wardle ---------------------------------------------------------------------- Observer: Joseph Welkenhuyzen Location: Lanaken, Belgium (5 37' 36" E, 50 53' 35" 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: DIY HB9CV, elev 30 deg, azimuth 75 deg (W) Receiver: RTL-SDR (R820T) SRR-Radio V2. Computer: Intel Quad-core Observing method: Speclab, Colorgramme V2.5 | April 2017 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 31 23 43 34 54 52 29 32 40 43 44 35 47 37 43 1 | 37 25 38 37 42 48 49 28 33 46 38 41 49 33 25 2 | 39 28 41 38 44 53 37 32 41 52 32 32 38 44 31 3 | 35 40 37 36 27 47 35 31 43 46 36 34 31 42 25 4 | 37 33 39 17 28 24 37 30 30 35 38 27 37 37 29 5 | 21 16 20 19 21 20 32 17 19 12 19 12 19 10 25 6 | 19 13 17 18 8 20 9 9 23 20 16 21 21 27 15 7 | 19 13 14 19 12 6 15 20 16 16 14 13 17 24 14 8 | 16 10 14 11 10 15 11 20 26 13 11 12 21 13 14 9 | 17 4 16 15 13 7 6 17 7 11 4 10 14 9 4 10 | 10 5 17 4 5 8 4 8 10 9 4 10 12 12 12 11 | 4 2 7 4 8 6 3 0 5 5 2 11 7 12 5 12 | 6 4 3 2 5 1 6 4 3 6 4 6 8 9 3 13 | 5 8 5 3 4 5 9 7 5 7 4 9 6 7 9 14 | 9 3 3 5 11 5 5 5 5 5 11 2 2 2 5 15 | 7 3 0 2 40? 3 3 3 4 1 3 4 1 3 4 16 | 2 2 4 5 7 3 3 3 1 3 2 5 3 3 2 17 | 0 8 5 8 2 3 12 5 5 3 3 9 1 5 5 18 | 12 8 13 13 13 12 15 10 6 12 9 15 6 17 7 19 | 7 16 18 14 24 28 25 20 15 9 8 31 13 11 13 20 | 13 21 16 17 13 24 20 25 21 18 22 12 23 20 11 21 | 16 19 27 32 18 29 17 29 22 24 25 16 27 27 25 22 | 31 21 29 16 12 42 37 34 35 23 20 24 26 20 31 23 | 24 35 35 40 32 35 41 26 42 35 28 29 30 30 26 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2017 | April 2017 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 43 39 35 33 46 41 51 49 35 29 44 32 41 36 40 1 | 44 32 33 38 31 40 46 41 26 45 28 45 35 29 44 2 | 37 26 35 29 26 41 40 43 36 42 40 40 35 37 29 3 | 39 30 33 39 35 33 40 30 30 45 38 36 21 30 27 4 | 16 21 42 30 33 31 30 24 24 24 23 26 18 31 15 5 | 12 42 20 16 13 22 34 14 30 17 18 20 18 15 16 6 | 8 16 16 29 20 13 19 21 25 14 18 21 24 34 28 7 | 20 18 14 21 22 15 18 12 25 15 19 24 23 30 16 8 | 8 8 7 20 12 13 12 13 17 18 15 17 19 17 10 9 | 7 16 8 9 8 11 9 15 9 8 7 7 7 20 14 10 | 8 15 10 10 6 6 14 9 7 11 11 6 5 8 4 11 | 8 10 1 8 2 3 16 7 7 7 3 10 2 9 0 12 | 5 8 8 6 1 3 4 5 5 3 8 1 10 7 3 13 | 5 4 6 6 1 7 5 5 11 6 9 8 6 4 5 14 | 2 2 3 3 5 7 4 2 6 7 8 2 6 6 6 15 | 10 6 4 1 5 1 3 3 4 5 7 3 7 5 5 16 | 2 4 4 2 1 3 2 2 6 9 0 3 4 2 2 17 | 6 3 7 3 3 4 0 6 7 3 5 2 5 2 5 18 | 8 5 7 8 6 14 6 9 13 8 6 5 5 6 5 19 | 10 18 5 15 15 15 10 15 8 14 15 17 10 8 19 20 | 20 24 15 22 33 17 24 17 17 17 26 20 34 17 17 21 | 16 25 18 29 23 21 28 26 16 21 11 21 20 27 22 | 14 14 18 31 30 44 26 27 25 22 26 31 26 39 23 | 28 18 35 47 35 41 28 32 30 24 25 24 40 39 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2017 Joseph Welkenhuyzen 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 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) http://astrosurf.com/somyce/c_radio.htm Orlando Benítez Sánchez Las Palmas de Gran Canaria, Spain mailto:avejerilla@yahoo.es Michael Boschat Royal Astronomical Society of Canada - Halifax Center 6399 North Street, Apt.209 Halifax, Nova Scotia, Canada B3L 4V7 mailto:ANDROMED@DAL.CA http://www.chebucto.ns.ca/~aa063 Jeff Brower Kelowna, British Columbia, Canada mailto:bcmeteors@gmail.com http://members.shaw.ca/jbrower/ Willy Camps Tessenderlo, Belgium mailto:willy.camps@telenet.be Johan Coussens Harelbeke, Belgium mailto:johan.coussens@skynet.be Gaspard De Wilde (ON4ZK) Dessel, Belgium mailto:on4zk@telenet.be Franky Dubois Langemark, Belgium mailto:astrosun@skynet.be http://www.digilife.be/club/franky.dubois/meteor.html David Entwistle Goosnargh, England mailto:david@radiometeor.plus.com http://www.radiometeor.plus.com/ Karl-Heinz Gansel Dingden, Germany mailto:karl-heinz.gansel@t-online.de http://www.radio-astronomie.de/ra/ Luc Gobin Mechelen, Belgium mailto:luc.gobin@gmail.com Patrice Guérin La Chapelle, 79140 Le Pin, France mailto:guer1_pm@orange.fr Alex Guzanoff Oktyabrsky, Russian Federation mailto:radio-sky@rambler.ru Peter Knol Appingedam, Netherlands mailto:cyberknol@gmail.com http://home.deds.nl/~knol Alfred Krohmal Syzran, Russian Federation mailto:rm4hm@rambler.ru Vitaly Mechinsky mailto:Lupus@belastro.net Lorenzo G. Morillas Sanchez Jaen, Spain mailto:lorenzomorillas@hotmail.com Fabio Moschini IN3GOO mailto:famos98@yahoo.it Cristian Negru Romania mailto:cyo3fff@yahoo.com Hiroshi Ogawa The Nippon Meteor Society mailto:h-ogawa@amro-net.jp Radio Meteor Obs. http://www.amro-net.jp/radio.htm Mike Otte W9YS Pearl City, IL 61062 USA mailto:mike.otte96@gmail.com http://mmotte.mystarband.net/ Alexei Pace Rabat, Malta mailto:alexei.pace@gmail.com SKiYMET Radar ALOMAR Observatory Norway mailto:singer@iap-kborn.de http://www.iap-kborn.de/radar/Radars/ALWIN/index_eng.htm Jean-Louis Rault F6AGR Epinay sur Orge, France mailto:Jean-Louis.RAULT@fr.thalesgroup.com Steve Roush Apache Junction, AZ, USA mailto:ofitg@yahoo.com Wayne Sanders Prince George BC, Canada mailto:wsanders@xplornet.com http://users.xplornet.com/~rdlobs/ Ivan Sergey Belarus mailto:seriv76@tut.by Andy Smith Plymouth, United Kingdom mailto:andy@television.f9.co.uk 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 Enrico Stomeo Venice, Italy mailto:stom@iol.it Misha Svoiski AF7KR Tempe, AZ, USA mailto:msvoiski@gmail.com Dave Swan Christchurch, UK mailto:dave@radiodesignservices.co.uk http://www.radiodesignservices.co.uk Istvan Tepliczky Budapest, Hungary mailto:tepi@mcse.hu Online: http://www.galileowebcast.hu/radiometeor Pierre Terrier Soubes, France mailto:pierre.terrier@free.fr http://radio.meteor.free.fr/ Meteor mailing list: mailto:meteor-request@ml.free.fr?subject=subscribe Dirk Van Hessche Appelterre-Eichem, Belgium mailto:dirk.van_hessche@skynet.be Maarten Vanleenhove Leest, Belgium mailto:maarten.vanleenhove@telenet.be http://www.vvs.be/werkgroepen/werkgroep-radioastronomie/beelden-radiometeoren-op-internet-zetten Felix Verbelen (ON4AVF) Kampenhout, Belgium mailto:felix.verbelen@skynet.be Bill Ward Kilwinning, UK mailto:bill_meteor@yahoo.com John Wardle, G4CVA Bridlington, East Yorkshire, UK mailto:jawardle27@btinternet.com Joseph Welkenhuyzen Lanaken, Belgium mailto:josephco@pandora.be http://users.telenet.be/josephco/Publicatie3.htm Richard White, Gi4DOH Bangor, Northern Ireland mailto:richard@ramfihaz.co.uk http://www.ramfihaz.com/information.htm -- Christian Steyaert (RMOB1704) 4 May 2017 --