Meteor Observation Bulletin No. 261 www.rmob.org April 2015 1. GLOBAL OBSERVATIONS Observer: Associazione Astrofili Veneziani "AAV" 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 30 deg, azimuth 294 deg (W) Computer: Pentium + XP Observing method: Spectrumlab + Colorgramme RMOB Lab v 2.5 | April 2015 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 91 70 85 80 89 77 83 85 89 82 85 84 72 92 76 1 | 89 68 84 71 86 80 95 85 84 93 86 98 90 115 126 2 | 93 99 83 93 103 79 90 93 104 102 90 94 94 83 94 3 | 98 84 68 78 94 73 82 88 92 77 89 82 103 75 72 4 | 63 67 58 83 79 83 74 76 66 81 72 67 82 75 70 5 | 59 72 61 76 76 61 83 88 80 69 78 85 80 76 70 6 | 74 76 78 64 64 65 89 82 83 65 73 68 81 89 94 7 | 79 64 62 75 65 73 67 73 62 70 63 66 87 74 75 8 | 79 67 63 73 63 78 70 78 67 62 80 74 70 90 0 9 | 71 61 66 73 68 71 63 57 74 70 60 68 97 63 0 10 | 77 71 63 69 71 82 74 83 63 58 62 63 64 72 0 11 | 62 59 62 64 66 59 67 59 44 66 61 58 64 64 0 12 | 49 64 59 60 67 70 62 75 61 73 70 67 57 67 1 13 | 54 53 53 74 43 59 51 69 44 65 68 53 61 57 45 14 | 41 58 44 39 34 53 47 62 52 53 55 34 52 58 52 15 | 36 26 27 33 48 42 39 38 47 41 36 33 36 36 36 16 | 11 28 26 19 28 23 27 27 28 31 34 25 26 29 31 17 | 23 16 21 27 22 24 23 31 26 23 25 29 18 25 23 18 | 27 22 20 34 16 23 21 22 24 18 25 29 25 32 17 19 | 27 22 20 31 21 27 28 21 25 34 29 22 29 20 30 20 | 31 35 33 33 34 41 30 36 35 43 40 37 34 42 36 21 | 48 47 51 50 47 51 37 45 47 47 36 38 44 54 58 22 | 62 63 51 51 59 55 51 51 56 61 54 47 57 66 72 23 | 60 64 75 69 64 69 53 62 60 65 84 64 89 79 74 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2015 | April 2015 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 83 83 101 95 89 107 89 116 87 124 115 84 100 98 110 1 |107 101 95 114 98 91 93 114 103 100 105 104 103 101 84 2 |113 111 104 108 93 85 110 111 83 91 103 112 98 90 101 3 | 96 99 116 88 81 87 82 69 85 82 102 94 87 101 90 4 | 92 84 75 85 80 82 85 97 92 94 101 103 88 101 102 5 | 91 83 85 85 81 71 77 94 88 99 89 102 110 104 84 6 | 90 85 92 84 92 81 91 102 86 101 91 101 108 108 109 7 | 90 103 82 84 84 76 86 82 94 100 76 85 114 110 85 8 | 84 81 77 88 77 102 89 96 101 102 93 89 83 98 109 9 | 77 86 101 84 74 97 98 103 81 82 92 105 92 91 83 10 | 99 81 79 85 77 85 94 85 73 86 91 96 109 100 87 11 | 87 83 85 84 73 93 73 71 79 70 110 87 88 93 100 12 | 69 89 76 68 75 71 70 73 63 88 81 71 61 65 65 13 | 59 67 67 61 55 58 67 69 75 63 73 75 60 79 58 14 | 62 62 49 42 48 66 54 57 67 61 50 60 59 58 58 15 | 44 36 41 31 36 50 43 38 48 38 48 44 44 37 42 16 | 37 31 35 24 28 24 35 33 37 37 61 54 24 31 36 17 | 35 19 20 20 20 21 26 23 26 16 64 23 19 34 29 18 | 28 25 32 22 33 25 27 25 28 33 32 23 36 35 29 19 | 41 34 25 24 31 30 40 26 22 40 40 29 42 26 28 20 | 43 39 46 30 43 36 48 37 36 45 38 45 43 30 43 21 | 51 50 56 51 45 56 54 47 54 52 47 54 48 50 56 22 | 65 79 90 53 75 62 76 67 89 79 73 79 72 72 85 23 | 88 76 95 71 77 68 98 79 84 81 75 107 83 80 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2015 Enrico Stomeo ---------------------------------------------------------------------- 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 2015 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 20 15 22 28 26 26 19 19 25 18 15 13 24 15 -- 1 | 22 21 31 20 22 34 39 31 24 27 23 15 41 18 -- 2 | 22 35 41 24 39 25 35 32 31 28 21 31 38 31 10 3 | 36 36 33 27 42 43 38 30 37 20 31 36 51 39 8 4 | 37 46 44 40 49 36 42 47 20 36 24 52 36 31 7 5 | 45 41 44 45 81 57 49 48 37 51 32 45 54 -- 11 6 | 50 61 55 54 64 74 82 70 27 53 29 73 85 -- 10 7 | 64 71 81 63 74 87 93 84 47 51 42 84 103 -- 10 8 | 78 97 77 51 94 72 71 101 75 54 62 83 77 -- 30 9 | 63 53 62 33 48 64 60 49 71 50 45 74 80 -- 23 10 | 62 47 66 60 42 77 74 62 65 62 48 78 69 -- 22 11 | 59 56 74 46 57 67 94 64 60 69 46 75 57 -- 20 12 | 64 61 57 42 46 56 75 49 79 67 45 58 82 -- 19 13 | 61 68 67 52 56 63 77 62 76 66 52 99 72 -- 28 14 | 70 63 68 45 60 84 96 48 73 80 43 88 67 -- 35 15 | 62 80 86 36 67 80 68 61 82 76 62 77 86 -- 20 16 | 62 75 80 43 72 70 60 52 64 81 67 85 57 -- 16 17 | 65 60 62 46 69 63 48 44 43 67 79 56 53 -- 31 18 | 47 54 75 51 60 56 62 55 38 57 65 69 41 -- 43 19 | 37 56 59 44 49 46 62 39 37 43 60 61 39 -- 31 20 | 41 41 53 40 66 34 43 25 52 19 45 48 32 -- 21 21 | 23 26 33 29 36 39 35 21 31 26 27 45 19 -- 30 22 | 19 19 31 14 30 23 32 27 17 20 20 41 21 -- 22 23 | 29 20 30 16 28 29 22 30 24 26 14 32 16 -- 25 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2015 | April 2015 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 24 25 12 19 22 20 18 16 21 22 15 17 29 20 13 1 | 21 28 36 17 27 24 29 24 43 25 18 -- 35 25 13 2 | 20 30 30 29 24 35 28 22 27 30 27 -- 43 13 23 3 | 26 30 43 27 21 38 39 22 34 36 32 -- 49 23 24 4 | 22 43 42 34 31 43 36 30 33 34 40 -- 53 43 28 5 | 30 35 57 43 33 35 35 43 45 45 48 -- 48 47 53 6 | 46 60 66 52 53 35 46 43 58 48 66 -- 54 57 62 7 | 50 52 76 66 62 49 55 49 41 69 75 -- 62 62 67 8 | 47 64 48 53 56 55 46 60 76 76 81 -- 63 85 60 9 | 47 47 29 65 42 51 60 60 71 61 64 -- 46 57 50 10 | 38 61 39 65 41 39 55 65 62 64 54 -- 56 75 28 11 | 29 65 62 56 30 42 33 74 66 68 63 -- 50 60 26 12 | 37 59 76 64 49 46 63 76 70 78 92 -- 55 53 63 13 | 54 62 95 65 61 39 73 85 90 76 75 40 67 51 71 14 | 53 78 109 71 70 47 70 86 79 84 81 75 83 68 82 15 | 75 82 92 61 51 47 75 70 68 94 75 106 89 64 102 16 | 53 96 103 62 59 84 92 84 85 100 90 78 73 57 82 17 | 75 78 103 58 61 82 74 77 97 99 83 74 63 56 70 18 | 44 73 87 41 58 48 52 57 54 80 68 61 84 52 50 19 | 38 66 59 53 43 39 42 47 34 72 49 55 34 37 33 20 | 31 50 35 37 24 30 34 29 24 61 31 35 20 20 21 21 | 20 29 15 31 25 26 26 25 30 37 27 31 11 22 13 22 | 16 23 21 33 22 13 28 21 36 24 35 32 16 20 17 23 | 31 22 26 31 24 19 30 30 15 18 11 19 13 14 12 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2015 Notes: . My computer that controls the radio failed on the 14th and 27th (memory leaks and anti-virus program interfering) so I lost data. More importantly, for some reason I lost some sensitivity as well after the first failure . Es = Sporadic E or Au . Local time is PST or UT-8 -- = System Down 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 2015 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 4 27 6 9 2 3 3 6 7 3 6 5 6 8 7 1 | 5 19 6 14 6 2 3 13 9 8 3 11 11 14 3 2 | 19 34 15 27 13 13 14 17 23 35 18 24 21 17 16 3 | 24 59 26 22 14 19 18 16 15 30 11 30 27 18 4 | 32 43 18 28 28 22 11 17 14 24 26 22 15 21 11 5 | 8 29 4 7 7 8 6 8 2 12 13 9 6 11 3 6 | 6 7 1 7 34 4 0 0 4 3 3 3 3 2 1 7 | 2 10 2 4 20 3 2 2 1 6 5 3 0 1 2 8 | 1 7 2 6 3 1 2 3 6 0 10 5 4 0 0 9 | 2 11 0 4 1 0 1 2 3 11 4 5 0 0 10 | 2 5 1 9 4 4 0 0 0 4 13 4 4 2 1 11 | 1 6 1 8 4 2 3 4 2 0 12 4 4 2 3 12 | 0 1 5 8 0 0 1 3 2 1 5 1 7 2 7 13 | 1 2 7 7 3 3 1 6 1 2 17 1 1 1 3 14 | 0 4 6 6 5 14 4 0 2 2 10 4 4 3 2 15 | 2 5 3 9 2 11 6 4 2 1 8 4 10 5 8 16 | 2 11 8 8 4 10 7 5 4 11 3 4 2 7 16 17 | 5 7 13 9 4 14 10 9 10 15 6 5 10 18 23 18 | 1 4 7 11 0 24 7 5 8 17 5 12 12 13 25 19 | 4 3 11 5 5 10 5 17 4 12 12 11 4 9 10 20 | 16 1 7 6 3 9 7 4 12 6 7 3 6 7 9 21 | 4 2 23 4 2 7 4 4 3 11 9 1 3 5 5 22 | 16 5 15 5 8 1 3 2 6 10 9 5 9 14 23 | 14 7 12 13 5 6 3 3 2 10 9 6 9 12 8 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2015 | April 2015 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 8 11 13 13 11 9 7 13 8 18 29 14 14 19 12 1 | 9 10 7 13 10 9 22 10 7 24 41 14 14 17 12 2 | 13 35 13 16 30 25 29 18 26 56 33 33 30 21 3 | 50 27 16 16 30 28 21 20 14 56 48 21 32 33 24 4 | 30 20 11 30 19 16 16 17 30 47 25 33 29 19 5 | 9 19 26 6 12 4 4 4 11 37 32 15 17 15 7 6 | 8 4 3 11 3 6 3 7 10 5 8 6 13 7 6 7 | 2 4 4 6 11 7 0 5 3 11 12 15 9 4 10 8 | 7 7 3 1 3 14 4 3 0 6 11 11 9 2 4 9 | 5 2 1 3 1 8 6 2 2 6 13 5 3 2 8 10 | 6 1 4 2 1 9 6 1 2 10 9 6 6 4 5 11 | 2 1 4 7 1 3 7 2 6 12 7 4 1 4 3 12 | 4 3 8 5 2 0 23 2 2 4 7 6 11 5 5 13 | 9 4 5 4 7 6 7 6 5 6 11 5 6 12 13 14 | 10 6 3 3 4 1 8 2 1 11 21 7 5 6 11 15 | 4 4 3 3 3 7 2 2 17 6 15 7 10 14 4 16 | 7 12 2 12 5 5 3 11 17 10 15 20 8 10 12 17 | 9 11 16 8 18 7 9 18 9 17 27 28 4 9 5 18 | 9 2 3 9 12 12 11 4 12 12 21 13 10 12 9 19 | 8 5 2 6 14 3 4 9 8 20 23 2 16 14 5 20 | 11 7 7 8 11 3 14 7 8 28 23 7 12 22 5 21 | 4 4 9 16 4 4 7 4 11 34 17 13 11 27 13 22 | 6 9 6 21 11 8 11 2 5 46 23 8 23 7 13 23 | 7 5 10 13 18 4 10 3 16 42 31 14 11 21 18 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2015 Johan Coussens ---------------------------------------------------------------------- Observer: Gaspard De Wilde ON4ZK Location: Dessel, Belgium (5 06' E, 51 14' 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 45 deg, azimuth 95 deg (W) Receiver and antenna home made Observing method: raw counts of reflections with a maximum amplitude >=30 [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 2015 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 25 11 25 15 14 24 17 16 19 17 20 18 25 24 21 1 | 12 22 15 16 19 28 12 17 21 16 17 17 21 19 12 2 | 10 18 18 25 20 19 12 24 15 12 15 6 18 20 16 3 | 15 12 19 11 17 12 17 19 16 14 19 8 11 13 19 4 | 14 18 14 17 18 14 10 15 8 12 21 12 12 14 19 5 | 18 15 13 18 12 16 15 17 10 13 9 11 9 17 18 6 | 18 18 19 16 19 14 12 16 13 19 18 15 17 21 21 7 | 16 15 21 24 22 18 15 13 13 22 21 16 18 19 24 8 | 23 10 13 18 15 23 18 14 24 21 24 18 19 15 19 9 | 15 20 17 17 13 12 17 21 14 28 21 20 17 20 18 10 | 20 17 19 17 21 12 22 15 13 18 16 10 20 17 16 11 | 10 17 8 11 11 16 13 12 20 15 16 19 19 14 15 12 | 12 14 12 13 12 11 20 18 15 10 10 17 16 13 21 13 | 11 11 10 10 9 10 12 11 14 12 11 6 11 10 9 14 | 10 10 11 10 10 10 11 11 9 12 6 11 6 10 7 15 | 6 11 6 7 4 10 8 13 7 5 9 13 11 6 7 16 | 12 7 10 9 7 10 10 9 4 4 8 9 4 7 6 17 | 3 3 4 3 5 10 3 6 4 3 8 5 4 7 8 18 | 7 7 4 6 5 7 8 6 5 9 3 5 5 4 5 19 | 7 8 13 9 9 6 9 13 7 4 2 8 9 3 7 20 | 9 4 12 12 3 6 6 6 11 12 15 9 4 8 6 21 | 11 12 11 16 20 14 12 13 15 10 8 15 6 13 10 22 | 13 14 18 14 14 13 12 18 22 14 11 19 9 16 15 23 | 16 17 17 25 15 10 13 15 18 16 11 19 17 27 16 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2015 | April 2015 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 19 18 17 22 19 16 15 27 17 22 17 14 19 28 21 1 | 13 20 20 18 18 15 16 24 21 17 18 16 22 21 15 2 | 22 13 18 18 25 6 18 25 19 19 12 6 23 15 12 3 | 18 14 21 24 12 15 19 11 19 16 13 11 13 12 21 4 | 20 11 20 12 11 23 15 13 20 16 14 15 19 17 20 5 | 15 14 16 11 18 15 16 22 20 14 22 10 20 18 27 6 | 27 12 13 15 16 15 20 13 14 19 21 10 22 18 19 7 | 16 15 13 21 17 21 19 20 14 23 21 19 16 25 28 8 | 20 13 17 13 20 10 23 20 18 21 17 24 20 34 27 9 | 21 15 27 11 15 15 16 13 24 26 17 21 20 20 25 10 | 20 18 17 18 22 15 14 15 25 18 12 16 14 14 28 11 | 11 14 13 9 18 18 10 7 15 16 20 24 12 15 20 12 | 11 14 20 15 9 6 19 14 10 8 10 18 17 12 16 13 | 19 19 10 13 12 9 19 17 13 12 19 14 14 15 18 14 | 8 12 10 11 7 7 11 14 15 14 15 13 12 9 12 15 | 5 12 10 9 12 9 8 14 11 10 7 9 15 12 7 16 | 7 4 8 7 9 2 6 1 10 5 6 11 8 5 10 17 | 4 4 6 5 9 4 6 4 7 7 2 8 8 7 8 18 | 7 6 9 7 8 4 6 7 8 5 11 7 6 6 7 19 | 6 11 7 5 8 4 7 10 10 7 6 4 10 8 6 20 | 7 5 4 7 8 6 10 9 12 7 5 8 10 6 12 21 | 14 9 14 13 14 10 10 11 14 8 6 11 11 4 18 22 | 13 18 17 9 14 11 11 13 18 12 15 11 13 15 14 23 | 25 17 13 21 19 20 13 16 17 15 20 25 10 17 15 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2015 Gaspard De Wilde --------------------------------------------------------------------------- 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 2015 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h|204 213 207 261 177 141 247 181 150 159 256 156 217 1 |169 205 214 306 149 176 240 174 202 125 251 185 219 2 |147 156 284 326 141 211 128 129 143 105 173 151 180 3 |131 194 131 242 207 201 166 149 169 202 207 125 154 4 |146 267 178 233 158 238 176 144 217 154 169 195 133 5 |157 300 174 260 193 267 198 241 202 132 173 206 194 6 |205 228 171 300 210 257 209 220 189 168 181 206 167 7 |122 176 128 263 191 195 195 222 179 133 184 195 157 8 |128 172 184 242 150 231 176 174 211 168 162 178 9 |209 196 173 172 197 189 217 253 217 163 161 180 121 10 |186 189 206 242 257 219 251 246 225 196 262 264 201 11 |225 240 200 271 210 204 224 235 228 222 236 291 220 12 |296 343 276 273 289 292 343 340 392 256 308 263 306 13 |253 282 318 319 301 260 286 294 341 332 305 330 254 14 |232 301 271 320 318 245 262 321 369 315 267 331 290 15 |267 184 250 268 218 251 240 272 293 273 262 226 203 16 |205 175 261 320 221 184 230 251 244 225 247 280 190 17 |174 196 251 207 178 150 214 228 243 185 218 192 213 18 |144 141 218 135 211 219 215 185 205 227 138 202 156 19 |158 166 237 172 210 144 215 172 258 137 206 172 119 20 |232 278 229 167 195 152 246 201 171 209 189 186 155 21 |249 187 185 154 152 111 160 157 221 192 105 161 81 22 |177 202 198 101 156 133 162 151 122 133 99 173 126 23 |168 176 250 161 122 179 225 161 197 144 136 126 141 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2015 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 2015 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 33 23 16 17 21 17 23 21 22 23 45 38 25 24 1 | 17 29 15 21 22 19 21 14 28 22 46 34 24 14 2 | 14 17 13 25 17 33 19 21 19 22 46 38 15 19 3 | 22 21 19 28 15 15 19 21 18 23 38 25 23 19 4 | 20 23 7 28 17 7 19 26 19 17 15 33 27 13 27 5 | 24 29 15 21 25 20 18 31 25 42 24 21 31 22 18 6 | 34 32 24 24 26 32 32 29 32 22 32 11 34 22 22 7 | 42 28 20 18 33 29 22 28 26 34 38 22 35 19 23 8 | 47 25 32 27 38 28 25 27 28 33 19 35 41 18 32 9 | 40 33 27 40 25 36 23 26 28 28 41 13 36 32 25 10 | 31 30 30 39 40 37 17 29 17 32 36 33 31 18 30 11 | 35 27 16 29 28 36 32 25 22 30 37 9 32 14 21 12 | 22 25 10 15 28 30 15 20 20 28 10 5 23 14 16 13 | 17 21 14 11 18 8 19 13 22 19 4 12 32 4 16 14 | 15 13 8 11 17 14 12 18 15 16 9 6 21 16 5 15 | 11 8 11 11 15 14 9 12 11 21 12 7 12 18 3 16 | 13 6 13 8 7 5 5 15 15 8 11 10 8 17 6 17 | 14 9 23 6 15 10 6 15 12 13 7 14 11 11 11 18 | 15 14 37 16 14 12 8 10 16 13 5 14 16 9 9 19 | 12 20 21 12 20 17 15 13 9 10 10 15 12 14 20 | 21 21 13 16 16 13 15 16 16 16 23 17 19 16 15 21 | 23 24 13 21 31 39 23 13 32 18 25 28 14 23 18 22 | 20 26 29 20 8 26 20 17 30 22 36 17 22 24 26 23 | 18 29 20 26 34 18 24 26 24 41 35 23 23 21 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2015 | April 2015 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 23 17 25 33 22 24 23 34 21 27 29 15 36 38 39 1 | 22 32 23 32 33 23 30 27 22 17 35 14 43 46 56 2 | 13 20 19 19 28 18 26 29 29 26 36 12 40 61 34 3 | 18 17 24 28 21 24 20 33 17 22 24 9 50 59 39 4 | 17 32 16 26 21 21 24 24 29 29 32 16 62 42 44 5 | 14 23 20 26 19 21 29 31 23 29 47 15 51 52 61 6 | 25 29 37 26 28 24 36 46 28 38 48 37 66 44 52 7 | 24 33 33 39 34 32 34 63 38 43 45 75 56 63 55 8 | 29 35 37 47 45 51 41 43 40 45 45 80 60 49 58 9 | 43 37 36 36 39 43 41 43 33 56 30 66 40 61 66 10 | 30 32 25 32 29 35 42 43 36 33 15 42 43 38 26 11 | 16 24 22 30 19 22 25 36 25 35 12 26 29 32 18 12 | 23 22 20 21 16 19 24 23 36 28 8 11 30 31 42 13 | 18 17 21 17 10 16 28 24 24 29 14 10 18 13 25 14 | 25 11 16 18 16 15 20 14 15 19 10 13 23 10 17 15 | 4 11 18 16 13 15 12 13 13 15 3 9 30 9 21 16 | 12 14 9 10 5 12 10 9 14 13 3 11 15 11 17 17 | 16 9 14 16 7 20 21 12 12 11 10 13 16 6 21 18 | 18 10 17 16 10 13 14 13 15 13 11 12 17 7 19 19 | 14 16 15 17 8 17 34 27 25 19 8 10 9 5 10 20 | 20 19 27 22 20 24 36 25 22 25 19 23 21 16 19 21 | 34 21 37 28 24 29 30 30 30 26 31 16 25 26 28 22 | 25 22 29 22 23 35 51 46 28 30 25 38 30 42 38 23 | 26 36 28 33 16 24 35 34 21 23 19 30 42 36 27 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2015 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 2015 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 55 58 59 44 34 49 68 70 64 52 47 52 58 52 49 1 | 39 59 54 55 51 54 56 49 71 51 52 56 60 50 46 2 | 33 50 53 61 52 57 58 63 58 44 43 53 57 49 54 3 | 49 56 53 50 44 41 58 55 54 46 66 53 47 48 53 4 | 38 47 47 55 45 44 36 61 48 43 45 47 47 44 57 5 | 38 40 44 36 44 46 47 51 45 30 39 39 34 54 43 6 | 39 37 24 34 39 40 31 43 40 42 50 59 37 42 36 7 | 25 31 35 38 47 41 45 46 26 39 45 31 53 50 39 8 | 41 47 47 31 23 60 47 56 51 39 48 24 48 39 40 9 | 31 33 46 35 29 44 43 48 44 31 32 29 39 52 42 10 | 32 36 39 26 36 29 35 51 27 22 25 18 44 29 39 11 | 32 34 37 19 21 37 33 44 38 25 28 29 29 33 45 12 | 31 47 39 26 25 40 48 39 33 26 18 31 38 52 51 13 | 30 37 42 30 31 29 33 32 37 20 22 37 28 33 30 14 | 19 29 25 27 24 38 21 32 26 20 14 25 18 31 27 15 | 21 29 16 11 8 27 21 28 21 14 18 20 18 20 28 16 | 18 19 21 19 15 16 21 27 17 5 18 17 21 15 14 17 | 12 12 12 8 13 23 13 24 16 8 14 12 15 16 17 18 | 14 12 13 11 12 20 16 20 12 12 6 12 15 16 16 19 | 18 11 12 19 13 25 22 18 10 10 7 12 18 17 12 20 | 17 19 19 24 18 25 33 26 19 14 18 17 10 18 14 21 | 23 26 22 29 25 36 32 32 22 8 16 27 16 23 19 22 | 29 25 27 32 30 52 39 50 36 17 28 30 20 29 27 23 | 43 41 35 31 33 38 41 52 46 26 21 19 46 50 39 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2015 | April 2015 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 58 53 46 60 51 71 47 69 63 33 56 48 55 62 53 1 | 58 49 58 61 54 62 51 66 69 55 48 44 54 53 47 2 | 57 45 44 64 63 53 63 74 59 56 44 37 59 56 41 3 | 57 52 52 71 45 55 51 49 54 49 49 47 41 51 56 4 | 48 48 52 51 46 57 58 49 60 54 55 55 45 44 57 5 | 42 33 53 47 42 48 49 72 54 41 58 44 38 48 63 6 | 61 42 43 53 35 56 42 43 46 51 37 29 38 48 68 7 | 54 44 47 53 39 59 40 57 60 42 49 48 45 47 62 8 | 56 51 45 34 51 64 46 53 56 51 29 48 36 49 67 9 | 42 35 50 29 43 54 55 47 63 53 28 33 42 44 49 10 | 49 39 45 37 38 46 41 41 56 35 37 32 37 39 56 11 | 40 28 36 36 40 43 37 42 50 35 33 35 30 31 35 12 | 41 25 34 35 28 33 38 40 38 19 40 38 46 40 36 13 | 43 33 28 43 34 26 36 43 37 31 43 42 39 44 44 14 | 25 28 21 36 26 30 26 39 34 31 38 32 34 28 30 15 | 17 33 27 22 23 17 24 24 19 23 18 22 22 26 25 16 | 26 20 24 23 18 17 15 15 20 21 17 25 21 16 28 17 | 16 19 17 22 14 12 12 12 19 12 23 15 17 15 18 | 14 23 21 17 14 12 18 19 16 16 16 15 16 13 19 19 | 13 18 13 11 13 14 13 13 16 13 11 18 13 15 20 | 13 13 17 19 20 15 15 20 18 12 21 21 19 21 21 21 | 26 12 27 27 36 19 22 14 21 24 22 23 22 23 25 22 | 21 28 38 32 58 25 31 26 24 25 30 32 30 31 27 23 | 44 34 27 56 65 42 48 44 23 59 47 59 30 45 29 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2015 Chris Steyaert --------------------------------------------------------------------------- Observer: Mikhail Svoiski Location: Tempe, AZ, USA (33 21' N, 111 54' W) Frequency: 67.240 MHz Transmitters: Los Lochis (880 km, 100 kW), Monterey (1200 km, 100 kW) Antenna : Winegard GS-2200 Sensar III Amplified Receiver: KB9YIG Softrock VHF Ensemble Computer: Compaq Armada M700 Observing method: Spectrum Lab Colorgramme RMOB Lab v 2.9 | April 2015 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 36 43 32 33 45 39 22 22 26 44 29 36 36 27 35 1 | 24 43 48 29 22 25 25 17 25 19 32 34 33 27 27 2 | 32 33 44 26 39 48 25 37 35 127 30 23 33 31 44 3 | 43 43 61 50 57 48 43 37 45 41 46 42 29 60 45 4 | 86 66 87 74 141 82 100 86 85 87 82 90 87 91 98 5 |143 124 125 156 155 99 138 100 113 134 115 119 108 136 137 6 |151 150 168 154 179 151 139 138 129 157 152 123 148 141 172 7 |142 167 173 199 181 126 165 157 208 210 175 190 174 174 200 8 |205 217 221 263 236 210 237 196 232 272 249 262 235 284 282 9 |262 289 293 362 339 283 298 333 320 314 321 341 313 334 356 10 |255 348 342 386 394 302 339 343 310 346 342 387 359 358 326 11 |267 316 318 345 333 287 298 288 260 307 334 344 295 346 305 12 |258 295 304 375 335 280 282 281 289 226 286 329 342 376 329 13 |256 322 270 377 343 291 249 308 264 287 335 320 317 344 346 14 |247 287 351 408 303 327 231 309 325 345 362 303 319 362 382 15 |283 331 342 322 302 297 294 329 331 325 355 318 313 358 330 16 |236 265 251 301 302 258 234 273 255 232 274 247 285 302 292 17 |157 219 212 247 240 214 193 188 214 145 184 194 220 236 224 18 |181 216 191 228 186 202 186 171 207 191 202 171 190 206 204 19 |156 172 239 179 219 157 132 159 179 190 173 244 218 187 179 20 |154 165 176 155 159 153 170 124 185 130 170 154 190 185 130 21 |116 138 146 130 110 140 139 136 122 125 122 113 138 135 110 22 | 85 85 77 92 60 94 94 96 70 111 54 72 81 88 68 23 | 56 46 51 53 64 45 40 46 50 45 37 48 56 47 38 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2015 | April 2015 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 26 34 30 25 28 42 26 26 25 34 43 14 25 31 20 1 | 27 22 18 19 17 27 23 23 24 17 23 15 7 15 20 2 | 24 28 31 33 26 26 27 33 21 24 280 20 25 16 21 3 | 47 34 48 48 39 50 52 66 33 45 37 32 26 44 28 4 | 71 85 90 82 83 77 68 124 66 47 58 66 84 57 56 5 |115 142 78 118 119 159 119 140 125 71 74 98 90 93 86 6 |147 226 147 103 153 172 181 206 149 133 112 113 117 87 92 7 |211 256 226 105 207 268 262 202 172 164 145 115 144 129 118 8 |275 287 424 294 287 328 286 243 209 187 165 202 184 164 9 |308 386 371 254 368 371 423 358 292 261 227 233 219 212 178 10 |298 386 392 560 385 388 435 292 301 266 261 210 223 221 223 11 |264 392 400 474 313 367 379 320 296 240 254 207 244 238 206 12 |323 345 393 367 309 364 390 319 308 303 269 244 252 251 287 13 |355 417 327 350 293 339 380 344 329 301 331 240 252 290 327 14 |389 435 432 404 343 342 414 343 323 299 293 248 295 275 260 15 |349 347 385 339 319 369 381 312 339 272 273 256 261 256 275 16 |327 331 259 265 263 250 323 262 229 244 207 245 217 201 216 17 |160 237 237 206 159 174 212 200 186 172 167 147 158 147 187 18 |126 186 182 192 170 203 187 133 153 126 117 136 132 161 152 19 |134 154 204 187 159 223 196 152 154 194 94 136 151 129 122 20 |125 113 146 149 137 176 174 111 107 143 99 121 136 105 106 21 | 98 101 102 100 130 100 149 112 110 114 92 105 96 111 107 22 | 72 68 59 74 82 79 83 83 71 72 67 81 82 61 74 23 | 48 31 32 26 61 63 57 43 33 73 36 34 38 45 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2015 Mikhail Svoiski --------------------------------------------------------------------------- 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 2015 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 2 1 0 0 1 1 4 1 1 2 1 0 4 2 8 1 | 6 2 0 1 2 3 1 2 3 2 2 0 3 4 6 2 | 0 3 2 2 3 1 3 2 3 3 3 2 0 3 6 3 | 2 2 4 0 4 3 2 5 4 2 6 1 2 6 5 4 | 4 3 3 5 2 3 3 5 5 3 4 4 2 4 5 5 | 3 4 3 6 4 3 3 3 5 5 4 2 4 9 5 6 | 3 4 1 0 6 3 0 0 5 4 1 0 0 4 4 7 | 4 2 3 4 3 6 3 3 3 5 4 3 2 4 6 8 | 5 1 3 4 2 6 5 2 7 0 1 2 6 3 7 9 | 2 0 2 2 5 3 4 5 4 2 2 3 5 3 5 10 | 2 1 3 2 2 2 3 0 3 3 2 3 6 2 3 11 | 1 0 1 2 0 3 1 1 4 2 2 0 0 1 3 12 | 2 2 4 1 3 1 5 3 0 2 1 0 1 2 3 13 | 0 1 1 0 0 3 2 1 0 0 1 1 0 0 2 14 | 2 0 0 1 1 1 0 1 1 2 1 1 1 1 0 15 | 1 0 0 1 0 0 1 0 1 2 0 2 3 0 1 16 | 1 1 1 1 3 1 2 1 2 0 0 1 2 1 3 17 | 0 0 1 0 1 1 0 1 0 0 1 2 2 1 1 18 | 1 0 0 1 0 0 0 0 1 0 0 1 0 1 0 19 | 1 0 0 1 0 0 0 0 3 0 0 0 1 1 2 20 | 0 0 0 1 1 2 1 1 1 1 1 0 2 1 3 21 | 0 1 0 3 2 2 2 1 3 0 1 1 0 0 2 22 | 1 3 1 3 3 2 0 3 3 3 1 3 1 0 2 23 | 0 2 3 5 4 2 5 1 0 3 6 1 3 5 5 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2015 | April 2015 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 2 3 5 7 3 3 2 4 2 2 7 2 8 1 6 1 | 4 7 5 5 3 4 6 11 3 0 4 1 8 2 4 2 | 6 2 5 7 4 2 5 11 5 3 2 3 3 3 4 3 | 4 3 2 5 2 5 2 6 3 3 5 4 4 2 5 4 | 6 6 5 4 6 4 6 9 6 6 5 10 4 1 10 5 | 5 5 4 3 7 4 7 7 7 5 5 7 4 6 3 6 | 3 6 5 4 4 3 2 8 9 8 4 1 9 2 7 7 | 4 3 7 6 4 3 4 10 5 4 4 1 3 11 9 8 | 4 8 9 8 4 7 3 7 10 5 5 9 5 5 11 9 | 6 5 6 3 0 3 8 4 7 7 3 8 2 1 6 10 | 6 5 2 2 5 2 8 2 5 2 5 8 2 4 10 11 | 3 2 2 0 3 4 2 3 3 1 1 7 5 5 3 12 | 1 0 5 1 0 1 3 3 5 1 3 4 2 2 4 13 | 5 2 3 0 3 0 1 2 2 4 3 4 1 5 1 14 | 1 4 2 2 1 2 0 2 1 0 4 2 2 1 3 15 | 1 3 0 3 2 2 1 0 2 1 3 0 1 1 3 16 | 1 0 1 0 1 0 0 0 1 2 1 3 1 0 4 17 | 0 0 0 2 3 0 0 1 1 2 0 4 1 0 1 18 | 0 2 2 2 3 1 0 1 2 0 0 2 0 1 2 19 | 1 1 1 0 1 1 0 2 4 2 1 2 2 0 1 20 | 2 0 3 3 1 2 1 1 0 4 1 1 2 1 3 21 | 2 2 3 1 4 0 1 1 1 2 3 1 1 1 2 22 | 0 4 4 1 2 4 5 2 2 0 3 3 2 2 5 23 | 3 1 4 3 2 4 3 3 1 9 2 4 2 0 2 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2015 Duration >= 10 seconds | April 2015 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 1 0 0 0 0 0 1 0 2 | 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 3 | 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 4 | 1 0 0 0 0 1 0 0 2 1 0 0 0 0 0 5 | 0 2 1 2 1 0 0 0 0 2 2 0 0 0 1 6 | 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 7 | 0 0 0 0 0 0 0 0 1 1 2 0 0 0 0 8 | 0 0 0 0 0 0 0 1 2 0 0 0 1 0 1 9 | 1 0 0 0 1 0 1 0 0 1 0 0 0 0 0 10 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11 | 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 12 | 0 0 0 0 1 0 0 0 0 0 0 0 0 0 2 13 | 0 0 0 0 0 0 0 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 1 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 0 0 0 0 0 0 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2015 | April 2015 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 0 0 0 0 0 0 0 1 0 0 2 0 0 0 1 1 | 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 2 | 0 0 0 1 0 0 1 1 0 1 0 0 0 0 0 3 | 0 0 0 0 0 1 0 2 0 0 1 0 0 0 1 4 | 0 0 0 0 1 0 3 1 1 2 0 2 0 0 1 5 | 0 0 0 1 1 0 2 3 2 1 0 1 0 1 0 6 | 1 0 0 1 0 2 2 0 3 2 0 0 0 0 0 7 | 0 0 1 0 0 0 1 1 2 0 3 0 0 1 2 8 | 1 1 1 0 0 1 0 1 2 0 1 0 3 0 0 9 | 0 1 0 1 0 0 1 3 2 1 0 1 0 0 0 10 | 1 0 0 0 0 0 2 0 0 0 0 1 0 1 0 11 | 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 12 | 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 13 | 0 1 0 0 1 0 0 0 0 1 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 1 0 0 0 0 0 0 1 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 0 0 0 0 0 19 | 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 20 | 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 21 | 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 22 | 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 23 | 0 0 0 0 2 0 0 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 2015 Felix Verbelen ---------------------------------------------------------------------- Observer: Bill Ward Location: Kilwinning, UK (4 41' W, 55 39' N) Frequency: 143.05 MHz Graves Receiver: Yaesu FT-817 Antenna: 4 Element Yagi Antenna Direction: elev 0 deg, azimuth 150 deg (SE) Computer: Toshiba Observing method: HROFFT + Colorgramme RMOB Lab v 2.8 | April 2015 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 19 6 8 7 5 8 14 20 10 9 11 17 19 45 15 1 | 14 11 14 6 7 5 29 14 9 17 15 13 14 11 29 2 | 11 21 12 14 9 5 28 34 23 19 16 9 18 21 12 3 | 17 8 12 13 13 10 21 35 24 8 23 15 14 13 20 4 | 18 13 10 7 14 6 18 23 23 24 9 11 14 17 16 5 | 21 9 12 5 7 12 16 14 18 12 16 8 16 13 15 6 | 10 13 8 19 9 7 15 22 8 16 12 30 17 15 13 7 | 17 7 11 9 9 7 18 11 8 18 14 13 13 13 14 8 | 6 5 14 6 7 5 41 14 10 22 20 7 13 22 0 9 | 15 13 11 7 10 9 29 15 8 19 12 9 21 15 0 10 | 8 8 7 7 8 8 22 22 11 23 15 12 22 10 0 11 | 13 12 7 8 10 11 16 11 12 17 13 19 15 11 1 12 | 15 8 10 10 14 3 29 24 10 12 17 14 22 26 0 13 | 19 14 12 7 13 12 22 18 14 16 16 22 20 15 26 14 | 3 14 13 10 11 13 14 16 18 16 13 15 12 17 51 15 | 12 5 5 5 9 4 15 49 13 12 7 16 18 13 35 16 | 5 4 5 12 12 10 8 15 10 11 10 15 111 18 19 17 | 3 3 6 2 5 9 7 6 9 6 5 27 26 9 14 18 | 7 1 2 3 2 10 17 7 11 12 12 17 8 12 5 19 | 5 8 6 3 3 10 5 18 5 3 4 11 16 7 10 20 | 2 4 6 2 2 5 6 8 23 6 10 10 7 9 18 21 | 9 8 3 5 1 12 10 13 8 7 74 8 11 6 56 22 | 7 2 5 4 2 13 13 60 36 15 15 28 30 12 21 23 | 7 4 4 9 5 11 66 5 14 10 18 19 66 13 24 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2015 | April 2015 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 26 20 21 27 22 41 18 25 17 14 23 35 20 40 28 1 | 23 35 40 27 25 20 29 25 19 21 22 22 35 22 46 2 | 27 36 27 28 30 28 28 35 23 26 29 21 201? 22 35 3 | 35 34 30 21 29 33 26 33 27 19 33 18 27 21 31 4 | 26 27 31 29 32 26 28 36 21 18 30 23 15 26 21 5 | 22 36 26 35 36 29 34 32 36 28 25 40 24 16 29 6 | 30 32 25 32 27 28 21 32 26 30 43 84 80 70 29 7 | 31 37 37 38 35 23 30 33 29 30 24 38 80 91 36 8 | 28 25 34 25 28 17 26 31 18 31 44 61 63 29 35 9 | 32 25 16 23 27 25 31 25 13 17 24 17 77 45 19 10 | 28 37 26 37 35 30 25 34 30 28 26 21 63 52 20 11 | 36 35 29 37 32 33 23 29 36 37 35 22 29 53 12 | 36 30 41 40 31 38 36 28 26 35 33 21 39 55 49 13 | 38 58 39 43 44 50 28 40 41 41 54 70 63 42 33 14 | 42 37 35 36 49 30 39 31 29 33 29 93 33 40 41 15 | 63 38 34 32 38 25 38 29 36 17 43 97 27 33 25 16 | 25 20 26 25 19 15 22 15 28 19 36 24 29 48 21 17 | 11 12 27 15 24 23 13 16 11 14 30 18 48? 44 20 18 | 10 45 16 11 15 14 6 17 14 12 62 12 98? 24 18 19 | 18 60 15 17 9 9 10 13 10 6 26 24 75? 21 18 20 | 23 51 14 24 18 12 14 13 8 7 22 11 18 26 21 | 14 22 23 15 13 8 13 16 10 10 10 19 18 12 13 22 | 8 18 13 26 13 15 17 22 11 14 22 6 17 19 25 23 | 27 19 20 17 26 15 15 23 13 17 12 22 11 16 19 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2015 Bill Ward ---------------------------------------------------------------------- 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: SDR-Radio V2. Computer: Intel Quad-core Observing method: Speclab, Colorgramme V2.5 | April 2015 UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ---+----------------------------------------------------------- 0h| 28 7 21 15 15 25 21 31 8 22 24 21 25 46 27 1 | 25 19 23 14 20 26 25 28 30 19 15 33 28 35 35 2 | 16 15 23 20 26 29 35 41 22 28 0 25 30 52 28 3 | 19 10 26 12 31 30 38 44 23 15 12 30 21 38 23 4 | 14 14 19 12 28 27 22 30 16 12 30 28 19 32 21 5 | 10 4 19 19 17 18 21 19 19 18 18 20 13 25 15 6 | 15 6 17 15 21 22 21 15 10 17 16 25 21 30 19 7 | 12 6 17 14 20 21 16 22 13 17 18 17 12 24 26 8 | 9 22 9 14 18 19 24 12 13 12 22 10 11 12 15 9 | 10 12 12 17 13 9 7 9 6 10 14 8 16 14 11 10 | 5 8 11 15 9 7 9 3 3 5 6 6 7 6 1 11 | 6 10 5 7 3 7 0 2 4 6 5 4 4 5 8 12 | 5 8 8 8 7 5 7 4 4 3 5 7 4 2 3 13 | 3 4 4 3 5 4 3 2 1 2 5 4 2 5 3 14 | 3 5 6 8 4 6 4 6 1 3 7 6 2 4 6 15 | 3 6 9 8 2 3 3 4 5 2 8 3 2 7 3 16 | 4 2 4 8 3 4 2 2 1 6 5 4 3 2 4 17 | 4 6 4 2 6 6 0 3 4 5 5 3 6 5 9 18 | 3 6 1 1 3 4 5 6 2 6 8 6 7 3 11 19 | 5 5 5 6 11 7 4 8 9 5 2 5 10 9 6 20 | 1 8 11 11 18 8 14 5 10 9 11 6 11 9 12 21 | 6 7 11 10 17 9 14 5 16 16 9 18 9 22 15 22 | 12 9 15 1 16 14 15 18 27 22 16 1 12 24 24 23 | 11 15 12 23 19 23 23 5 15 20 16 22 24 26 25 ---+----------------------------------------------------------- UT | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | April 2015 | April 2015 UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ---+----------------------------------------------------------- 0h| 38 47 21 35 30 22 32 47 29 32 33 22 37 6 21 1 | 34 36 27 20 17 28 42 21 20 27 19 23 22 9 27 2 | 40 31 36 35 26 23 35 41 23 26 19 16 31 18 21 3 | 42 38 37 29 25 25 30 27 34 33 24 24 11 12 30 4 | 33 18 27 18 22 23 28 21 17 26 14 28 20 14 24 5 | 21 15 13 13 15 10 13 30 20 15 19 16 19 20 16 6 | 26 20 16 19 14 17 18 25 17 16 18 18 27 17 18 7 | 20 18 22 20 9 17 23 20 14 20 17 16 10 17 14 8 | 14 13 13 16 16 12 10 20 10 8 20 10 9 16 23 9 | 8 9 8 7 7 11 7 13 15 10 12 7 8 12 12 10 | 9 7 4 1 2 7 8 6 4 6 11 11 8 7 11 | 5 4 2 3 3 5 7 2 6 7 7 11 3 12 12 | 2 2 3 4 2 2 7 1 3 4 7 7 6 3 13 | 7 3 1 3 8 3 8 2 0 5 7 9 8 10 14 | 4 5 3 2 2 4 4 4 3 6 3 3 2 2 15 | 2 7 2 2 2 3 3 3 1 4 9 4 3 4 16 | 3 5 1 4 2 2 6 5 1 4 5 8 6 2 17 | 4 7 2 3 6 9 2 0 4 2 7 3 5 6 18 | 5 7 7 11 7 3 4 6 7 3 4 5 3 6 19 | 5 7 5 5 9 4 7 12 8 7 8 10 4 8 20 | 9 7 9 10 11 15 11 12 10 9 12 8 7 7 21 | 23 12 22 12 18 18 17 15 19 9 12 18 7 18 22 | 18 23 27 0 26 30 19 25 21 6 0 25 12 14 23 | 42 17 17 25 33 27 32 22 21 38 23 34 8 27 ---+----------------------------------------------------------- UT | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | April 2015 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 Raydel Abreu (CM2ESP) Havana, Cuba mailto:m2esp@gmail.com Orlando Benítez Sánchez Las Palmas de Gran Canaria, Spain mailto:avejerilla@yahoo.es Michael Boschat Royal Astronomical Society of Canada - Halifax Center 6306 Cork St., Apt.308, Halifax, Nova Scotia Canada B3L 1Z1 mailto:ANDROMED@DAL.CA http://www.chebucto.ns.ca/~aa063 Jeff Brower Kelowna, British Columbia, Canada mailto:jbrower@meteorchaser.net 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/ Kurt A. Fisher Salt Lake City,Utah, USA mailto:fisherka@csolutions.net Station description: http://www.slas.us/gallery2/main.php?g2_itemId=2984 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 Szabolcs Kiss Katai ut 99, H-2251 Tapioszecso, Hungary tel: +36 29 446 015 mailto:achilles@freemail.hu 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 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 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.supernovae.be/meteors 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 (RMOB1504) 6 May 2015 --