Radio Meteor Observation in Japan No.246 April 2022 - English : https://www.iprmo.org - Japanese: https://www.amro-net.jp ----------------------------------------------------------------------------- Observer : Kenji Fujito Location : Yokkaichi, Mie, Japan (34.96 N, 136.61 E) Frequency: 53.755 MHz Transmitter Location: Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Antenna : 2el. Comet HB9CV, zenith Receiver: ITEC HRO-RX1a Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 7 11 14 12 7 13 4 4 8 4 1 2 0 0 0 0 1 0 0 1 1 4 9 5 02 | 11 15 17 19 20 10 22 21 11 4 9 7 5 4 4 5 2 1 1 1 3 10 2 12 03 | 9 12 13 11 12 14 9 8 8 12 11 8 7 9 10 4 0 4 5 3 4 7 9 17 04 | 10 16 16 13 8 11 14 9 5 11 7 2 7 1 3 3 1 0 2 1 4 1 1 15 05 | 18 18 13 19 18 19 15 11 14 9 8 3 1 3 0 3 0 3 2 4 5 12 6 9 06 | 8 13 7 15 17 13 13 15 8 6 8 7 2 7 1 1 1 4 3 4 5 5 3 2 07 | 15 13 11 17 12 13 8 4 7 6 5 1 0 2 1 4 1 1 0 3 6 3 6 7 08 | 9 11 17 12 9 4 8 10 2 11 6 1 1 0 0 2 0 2 0 1 3 6 2 12 09 | 6 10 10 6 11 15 10 15 4 9 3 12 6 5 4 2 4 2 2 0 4 3 10 5 10 | 9 17 12 11 13 9 9 17 11 11 6 7 2 0 0 1 2 1 0 0 3 3 10 8 11 | 9 20 6 11 8 13 8 5 4 12 3 7 12 1 5 4 0 4 1 0 3 6 7 7 12 | 18 12 9 5 8 9 13 5 10 8 4 5 5 4 4 3 1 1 0 1 1 4 7 7 13 | 5 8 9 6 9 7 9 10 5 4 11 8 2 3 4 5 0 0 1 1 3 2 8 6 14 | 7 8 13 11 8 6 6 11 11 9 8 6 6 7 2 1 3 1 1 0 2 7 14 14 15 | 11 9 15 14 13 12 7 4 11 10 10 9 9 8 4 4 2 1 4 3 5 4 7 6 16 | 10 6 9 9 6 9 11 5 7 6 5 6 3 1 0 0 2 1 2 0 2 7 4 13 17 | 9 12 12 13 9 12 13 12 16 19 6 11 9 7 1 5 2 0 4 3 6 6 7 12 18 | 16 13 10 20 8 14 14 16 11 7 10 12 8 6 4 3 4 2 2 2 1 5 7 16 19 | 8 20 19 23 18 16 8 13 15 15 10 4 1 1 1 0 0 1 0 2 8 1 3 9 20 | 14 8 10 22 11 15 12 10 2 4 9 14 5 1 1 2 4 4 4 4 5 4 11 7 21 | 16 17 12 6 12 17 12 9 7 13 6 11 7 9 6 3 2 6 0 2 1 11 12 11 22 | 16 11 12 8 10 4 10 20 12 8 10 7 3 1 0 3 1 1 1 0 1 2 7 9 23 | 16 20 14 12 11 9 18 15 12 5 5 6 2 2 1 4 2 3 2 3 6 4 10 14 24 | 13 9 14 2 13 10 9 9 8 12 11 12 11 7 6 6 2 1 1 0 1 3 4 14 25 | 13 11 19 13 11 12 13 10 13 10 5 5 6 6 1 4 0 1 1 1 5 1 5 9 26 | 14 4 7 9 12 11 10 4 12 3 8 7 7 6 3 4 1 1 3 3 3 2 7 7 27 | 11 3 6 6 8 8 10 12 10 7 10 12 11 3 5 5 2 1 4 3 5 5 3 10 28 | 7 11 12 13 19 14 14 12 15 12 22 6 6 8 3 3 1 2 5 2 5 5 10 8 29 | 5 11 10 12 18 10 17 10 8 13 12 16 18 8 14 6 2 4 1 2 4 5 5 9 30 | 19 14 17 11 13 11 13 6 5 12 10 3 2 2 1 0 2 1 2 0 1 6 4 5 ---+------------------------------------------------------------------------ Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 1 03 | 04 | 05 | 06 | 1 1 07 | 08 | 09 | 1 10 | 11 | 1 1 12 | 13 | 14 | 15 | 1 1 16 | 17 | 1 18 | 1 19 | 20 | 1 1 1 21 | 1 1 1 22 | 1 1 23 | 1 1 2 1 1 24 | 1 25 | 26 | 1 27 | 1 28 | 1 29 | 30 | ---+------------------------------------------------------------------------ Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer : Tuboi Observatory[TSUBOI MASAKI] Location : Asakitaku,Hiroshimashi,JAPAN (34.45 N, 132.50 E) Frequency: 112.9 MHz Transmitter Location: Kushimoto-VOR at (128.8 E, 32.7 N) VOR Beacon for Air-flight (200W 30Hz AM, 115.800 MHz) Antenna : 3el. Yagi Az:120deg. horizon Receiver: R820T2-SDR+TCXO SDRRadio Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 6 6 4 4 2 6 9 2 15 IF 4 2 1 1 2 1 2 4 2 3 2 1 4 IF 02 | IF IF IF 3 2 2 5 3 6 2 2 0 1 1 2 1 4 3 2 1 1 1 0 1 03 | 2 2 2 2 2 2 4 3 6 6 3 4 2 3 2 2 3 2 4 2 4 2 0 0 04 | 2 1 1 3 4 3 6 4 4 0 2 0 1 3 3 1 3 3 0 2 3 0 0 IF 05 | 0 3 0 4 6 2 2 3 6 1 2 2 1 1 2 3 4 2 6 2 5 3 6 2 06 | 1 3 2 2 4 3 1 5 6 2 4 3 2 2 2 4 4 2 4 0 4 IF 6 0 07 | 1 0 4 3 2 2 3 7 5 1 1 4 1 5 4 0 1 0 1 0 3 5 2 5 08 | 3 2 4 2 0 3 3 3 2 4 4 2 4 1 1 2 4 5 1 1 2 0 3 6 09 | 3 3 2 5 3 3 0 2 4 3 6 2 2 1 3 0 2 2 1 2 3 2 3 2 10 | 1 2 2 2 2 1 3 3 2 1 2 2 2 0 0 1 5 2 1 0 4 3 1 2 11 | 3 3 3 3 3 3 2 2 2 2 2 0 1 6 3 2 1 1 0 0 1 8 2 2 12 | 2 4 1 0 2 4 0 1 8 5 5 5 0 3 2 2 5 5 4 2 1 0 0 0 13 | 3 2 1 2 5 2 2 0 6 3 2 2 1 4 2 0 2 4 2 3 1 0 0 4 14 | 2 3 0 3 4 0 1 9 5 5 3 1 1 0 2 2 0 4 0 3 2 2 3 2 15 | 1 2 2 4 5 3 4 3 3 2 2 5 3 2 4 4 3 3 3 1 3 2 1 3 16 | 1 3 1 4 2 3 3 4 3 4 4 3 1 2 0 1 5 4 0 IF IF IF 2 0 17 | 1 3 3 0 2 3 3 6 2 3 6 0 1 2 3 1 7 0 2 IF 0 4 2 7 18 | 6 2 2 3 2 3 6 7 4 2 5 4 3 5 2 3 2 6 1 4 3 1 IF 4 19 | 3 3 4 2 6 4 2 2 6 2 2 1 1 0 0 1 1 3 1 2 2 2 3 2 20 | 3 1 2 3 2 4 3 4 2 1 0 1 2 0 2 0 3 0 7 1 0 2 1 3 21 | 2 4 3 5 2 6 6 5 6 6 6 7 4 1 6 3 4 5 1 4 1 3 IF 7 22 | 1 3 2 3 6 5 2 6 6 7 1 3 1 0 5 2 2 2 6 1 IF IF IF IF 23 | IF IF IF IF IF IF IF IF IF IF IF 5 2 7 2 1 7 4 3 3 2 3 IF 6 24 | 6 4 2 1 3 8 13 3 11 9 11 7 3 1 3 7 3 5 4 1 3 6 5 2 25 | 2 5 3 5 5 5 1 5 16 7 5 5 3 2 0 2 4 4 2 2 3 3 4 2 26 | 5 2 1 4 7 8 4 8 10 5 5 6 5 6 7 7 3 5 4 1 3 5 3 4 27 | 2 4 6 4 3 2 4 6 13 7 4 4 3 4 1 1 1 1 2 3 6 2 5 2 28 | 1 5 6 7 5 2 7 10 8 2 6 6 5 4 3 2 3 6 8 2 4 1 4 6 29 | 6 4 8 7 4 6 13 7 IF 6 3 6 5 4 0 4 3 2 4 1 1 3 3 6 30 | 8 9 3 1 12 6 7 7 IF IF IF IF IF IF IF IF IF 2 3 4 7 1 3 7 ---+------------------------------------------------------------------------ Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 1 02 | 03 | 04 | 05 | 06 | 3 1 07 | 08 | 09 | 10 | 11 | 12 | 1 13 | 14 | 1 1 15 | 16 | 1 17 | 18 | 19 | 1 20 | 1 21 | 1 22 | 1 23 | 24 | 2 1 25 | 26 | 27 | 28 | 29 | 1 30 | 1 ---+------------------------------------------------------------------------ Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Frequency: 92.8 MHz Transmitter Location: FM-broadcast at Kagoshima, Japan Antenna : 5el-Yagi Az90deg Receiver: R820T2-SDR+TCXO SDRRadio Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 22 26 31 28 16 29 13 IF IF IF IF IF IF IF IF IF 8 12 4 2 10 0 7 5 02 | 4 13 22 24 30 21 13 18 23 IF IF IF IF IF IF IF 10 5 9 10 6 4 6 3 03 | 15 23 11 15 19 18 19 IF IF IF IF IF IF IF IF IF 12 6 5 2 0 IF IF IF 04 | IF IF IF IF IF IF IF IF IF IF IF IF IF IF IF IF IF IF IF IF IF IF IF IF 05 | IF IF IF IF IF IF IF IF IF IF IF IF IF IF IF IF 13 6 4 2 8 10 10 10 06 | 26 21 38 40 23 25 17 10 IF IF IF IF IF IF IF IF 12 5 8 3 3 1 3 4 07 | 3 2 2 17 7 7 15 14 IF IF IF IF IF IF IF IF 12 6 6 3 2 5 5 10 08 | 15 17 14 12 8 9 1 12 IF IF IF IF IF IF IF IF 8 11 4 4 4 2 4 5 09 | 8 12 12 8 8 6 9 4 IF IF IF IF IF IF IF IF 8 7 3 0 3 3 0 5 10 | 7 10 10 12 5 10 8 6 IF IF IF IF IF IF IF IF 9 5 5 7 5 12 10 17 11 | 25 33 39 44 40 28 14 20 IF IF IF IF 12 7 12 13 6 3 5 6 2 6 6 6 12 | 15 17 11 13 24 16 9 5 10 6 8 11 IF 10 IF IF 9 1 3 5 2 1 2 3 13 | 8 9 12 15 13 16 8 4 IF IF IF IF IF IF 2 9 4 8 4 4 6 1 5 6 14 | 10 20 15 13 14 10 16 14 6 9 11 19 14 11 13 7 6 1 3 1 4 6 7 9 15 | 9 19 10 21 14 14 9 15 6 7 7 10 9 10 10 7 7 5 1 8 4 7 1 5 16 | 8 17 14 18 14 10 10 4 IF IF IF IF IF IF IF IF 4 4 3 0 2 0 1 2 17 | 1 4 3 3 9 7 7 7 IF IF IF IF IF IF IF IF 10 3 0 3 1 3 0 2 18 | 11 14 11 22 19 9 11 7 10 IF IF IF IF IF 8 12 2 4 2 1 4 4 2 7 19 | 12 13 15 22 11 18 19 11 4 IF IF IF IF IF IF IF 5 4 2 3 1 2 3 2 20 | 8 6 9 7 4 2 5 8 IF IF IF IF IF IF IF IF 10 6 4 2 6 4 1 3 21 | 0 1 15 17 16 19 13 8 10 11 18 5 25 11 14 10 8 4 7 1 7 1 4 8 22 | 11 20 22 17 13 25 9 20 12 IF IF IF IF IF IF IF 10 5 2 2 2 5 13 10 23 | 25 23 38 25 25 31 33 25 IF IF IF 9 8 17 15 6 8 4 5 5 3 4 4 3 24 | 18 24 24 26 19 34 9 19 18 11 8 16 IF IF 12 5 7 6 1 3 7 7 4 9 25 | 14 18 19 14 15 22 8 9 8 6 IF IF IF IF IF IF 5 12 5 6 7 5 8 4 26 | 13 22 22 25 21 17 11 4 12 16 10 15 23 13 15 5 8 3 4 5 2 2 9 7 27 | 16 13 24 15 26 16 7 8 6 11 IF IF IF IF IF IF 2 4 0 4 0 5 3 5 28 | 11 28 14 17 16 17 6 8 IF IF IF IF IF IF IF IF 5 4 4 3 2 4 8 13 29 | 16 20 21 15 17 17 14 11 5 6 13 18 12 15 18 IF 11 4 0 4 1 3 8 9 30 | 13 14 15 16 12 17 10 22 IF IF IF IF IF IF IF IF IF 13 8 4 16 8 17 15 ---+------------------------------------------------------------------------ Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 1 2 02 | 03 | 04 | 05 | 06 | 1 1 07 | 1 1 1 08 | 09 | 1 10 | 1 11 | 12 | 1 13 | 1 14 | 2 1 15 | 1 1 16 | 1 1 17 | 1 18 | 1 1 19 | 1 20 | 1 1 21 | 1 1 22 | 1 2 1 1 23 | 1 1 2 3 1 4 2 24 | 1 1 2 1 4 2 1 2 1 25 | 3 2 1 26 | 1 1 27 | 1 1 1 28 | 1 29 | 1 30 | ---+------------------------------------------------------------------------ Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer :Hirofumi Sugimoto Location : Hachioji, Tokyo, Japan (35.654 N, 139.319 E) Frequency: 53.755 MHz Transmitter Location: Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Antenna : HB9CV 2el. zenith(el.S-N) Receiver: AITEC MRX-50 Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 6 6 7 3 4 9 8 7 6 16 8 9 6 4 5 4 2 3 4 4 1 6 11 6 02 | 12 12 5 8 6 6 9 8 7 14 11 5 11 3 4 5 2 3 3 3 5 3 8 4 03 | 7 7 8 8 4 5 8 7 7 7 6 7 4 4 1 2 3 3 4 5 1 8 8 12 04 | 4 12 4 8 5 5 7 6 10 10 -- -- -- -- 1 4 1 3 1 3 7 2 6 7 05 | 9 8 9 5 8 12 10 9 7 12 12 8 4 5 4 3 0 0 1 1 5 3 11 8 06 | 7 7 5 7 8 6 6 15 7 5 8 5 6 2 5 1 1 1 1 2 4 7 4 6 07 | 7 8 6 9 7 8 5 9 8 10 13 8 3 2 4 4 0 0 3 3 1 4 7 8 08 | 9 14 2 12 9 7 9 8 8 9 8 12 5 2 1 2 -- -- 1 4 1 5 7 6 09 | 5 7 6 7 9 11 12 8 4 10 9 9 4 2 3 0 0 2 4 2 4 3 5 4 10 | 14 5 9 7 7 1 8 5 11 4 6 4 4 1 2 0 0 1 2 2 1 3 3 7 11 | 11 7 7 6 9 2 4 4 8 11 3 7 0 1 1 2 1 2 2 2 3 3 2 3 12 | 5 4 7 3 8 3 7 12 7 2 9 8 4 4 2 0 0 1 0 0 3 3 3 7 13 | 5 7 11 5 5 9 8 3 5 5 6 9 2 4 2 1 0 0 0 5 3 3 10 7 14 | 8 9 3 5 9 3 5 8 12 16 4 6 0 3 4 1 1 1 2 3 1 2 4 7 15 | 5 4 6 5 5 6 8 6 6 16 10 8 3 2 3 2 2 0 0 2 4 2 5 5 16 | 13 6 5 5 10 7 13 7 7 9 9 10 6 4 1 3 1 3 4 1 5 5 3 6 17 | 6 3 8 12 8 11 8 8 13 13 13 5 1 1 3 4 1 1 2 0 1 11 5 6 18 | 9 10 5 7 12 10 6 8 15 10 10 4 7 2 2 3 2 0 1 1 3 3 8 6 19 | 7 13 13 5 11 6 11 10 12 16 8 10 3 4 0 3 2 3 1 3 4 5 5 4 20 | 8 14 3 5 4 9 9 11 10 11 12 3 2 2 0 4 4 1 2 4 2 3 9 2 21 | 8 8 9 5 4 7 4 8 14 7 6 6 1 6 3 3 3 1 2 3 5 8 4 6 22 | 7 8 11 5 4 15 5 18 10 12 10 6 8 3 3 2 0 0 2 1 3 9 6 5 23 | 10 13 10 13 8 9 10 15 15 10 11 10 8 6 4 5 0 2 3 2 3 3 8 11 24 | 14 15 5 9 3 5 3 10 7 11 4 5 3 3 1 0 0 1 1 2 2 2 4 6 25 | 7 6 3 10 5 5 7 10 10 6 9 2 4 1 2 3 1 1 3 3 2 3 3 2 26 | 7 9 4 2 5 7 9 5 8 8 7 5 4 1 1 1 2 0 2 0 6 3 1 3 27 | 4 2 7 8 4 8 9 8 14 19 12 7 0 1 1 2 2 0 2 1 2 3 5 9 28 | 5 9 8 5 9 8 7 7 8 14 12 6 5 4 3 1 2 1 1 2 1 3 10 11 29 | 10 10 11 6 3 8 9 10 11 8 5 3 4 5 2 3 0 3 3 3 3 1 5 4 30 | 7 9 5 12 17 12 12 10 10 12 13 9 4 0 3 1 0 1 1 2 3 6 5 5 ---+------------------------------------------------------------------------ Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 1 02 | 1 03 | 1 04 | 05 | 06 | 1 1 07 | 08 | 09 | 10 | 11 | 1 12 | 1 1 1 1 13 | 1 14 | 1 15 | 1 16 | 1 17 | 18 | 19 | 1 20 | 1 1 2 21 | 1 1 1 1 22 | 1 23 | 2 1 1 1 24 | 25 | 26 | 1 1 27 | 1 1 28 | 1 29 | 30 | ---+------------------------------------------------------------------------ Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Frequency: 116.900 MHz Transmitter Location: Chitose-VOR at Tomakomai city (141.7 E, 42.7 N) VOR Beacon for Air-flight (200W 30Hz AM, 116.900 MHz) Antenna : 5el-Yagi Horizon Receiver: AIRSPYmini Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 14 9 10 11 7 14 14 11 7 11 12 8 10 1 3 1 2 1 2 4 5 6 5 9 02 | 9 12 8 4 5 12 8 18 17 17 9 3 3 3 3 0 1 2 3 6 6 5 12 11 03 | 11 5 7 13 14 15 18 23 11 13 5 5 8 7 6 11 2 3 4 6 7 5 9 19 04 | 11 14 12 16 9 14 20 10 17 14 7 8 10 8 4 2 4 0 2 3 6 6 8 10 05 | 3 7 12 10 10 15 13 9 18 12 7 12 9 9 9 7 3 2 3 2 3 6 13 5 06 | 16 4 10 14 11 10 12 13 22 11 9 2 7 4 1 9 4 1 0 5 6 8 5 6 07 | 10 16 9 12 9 14 18 22 19 10 9 5 9 4 4 5 4 4 1 2 7 13 10 12 08 | 11 12 13 7 5 10 10 15 13 14 4 6 5 8 7 5 3 3 2 5 3 6 8 9 09 | 12 14 5 8 10 11 13 18 20 10 10 15 3 4 2 7 4 4 2 0 3 4 11 14 10 | 16 12 16 8 19 12 25 23 10 10 6 2 2 1 2 2 2 9 2 2 4 6 14 12 11 | 14 9 14 18 12 19 19 13 13 12 8 4 3 6 3 3 2 5 0 1 4 6 12 23 12 | 17 9 11 9 13 9 16 14 18 12 7 7 5 7 5 4 4 5 1 3 4 10 12 12 13 | 10 14 10 13 12 14 11 15 11 9 8 4 2 3 4 5 7 3 2 3 5 9 9 10 14 | 19 14 16 10 11 12 18 13 12 11 12 9 8 10 7 6 1 3 1 2 5 6 11 13 15 | 13 6 9 14 17 23 20 16 13 15 10 7 9 7 8 6 4 3 3 1 6 16 9 17 16 | 15 13 12 17 21 14 15 20 23 -- 5 7 4 6 5 3 0 5 2 2 2 3 4 8 17 | 7 4 5 5 11 14 13 12 7 10 4 7 2 2 4 7 5 3 0 2 3 5 7 5 18 | 7 5 9 4 7 10 6 14 9 8 10 7 9 8 3 3 5 5 8 2 2 6 9 12 19 | 8 10 9 6 10 18 17 19 18 11 9 6 9 11 8 4 5 3 2 4 5 5 7 13 20 | 12 12 5 13 9 13 15 20 13 12 13 6 7 17 8 5 2 2 2 2 9 9 10 12 21 | 7 8 5 17 15 14 19 17 18 8 5 4 4 10 9 12 7 2 3 0 2 6 6 18 22 | 9 6 8 13 11 14 13 25 13 16 10 4 5 4 3 15 1 2 4 1 3 6 22 19 23 | 15 15 26 19 15 25 14 19 19 15 7 4 8 6 2 5 5 1 3 2 10 4 9 11 24 | 15 17 18 11 10 17 19 13 18 11 7 9 8 10 8 3 2 1 4 2 5 11 9 12 25 | 14 9 6 19 10 21 20 21 14 13 11 10 9 12 10 1 4 3 1 1 4 9 7 11 26 | 13 13 13 4 8 20 20 22 13 14 8 5 3 10 8 11 4 0 1 2 5 5 7 8 27 | 15 8 6 16 19 7 14 14 17 11 9 9 8 10 6 7 4 2 3 1 8 6 16 11 28 | 12 12 8 9 12 19 14 24 21 15 13 11 8 10 7 2 4 1 2 4 6 4 7 14 29 | 8 13 16 10 8 27 19 14 14 11 3 2 3 8 6 8 1 3 2 2 4 8 5 7 30 | 15 13 15 10 16 22 15 22 12 15 14 8 3 11 4 2 3 0 1 5 5 11 8 11 ---+------------------------------------------------------------------------ Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 1 02 | 03 | 1 04 | 05 | 06 | 1 07 | 1 08 | 1 09 | 10 | 11 | 1 12 | 1 13 | 1 14 | 1 15 | 1 1 1 16 | 17 | 2 18 | 1 19 | 1 20 | 21 | 22 | 1 1 23 | 1 1 1 1 1 24 | 1 1 2 1 25 | 26 | 1 2 27 | 1 28 | 29 | 1 30 | 1 1 ---+------------------------------------------------------------------------ Apr| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer: Hironbu Shida Location: Akita, Akita, Japan (140.1 E, 39.4 N) Frequency: 53.755 MHz Transmitter Location:@ Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Antenna : HB062FDX Receiver : AITEC MRX-50 Method : by using MROFFT software (by Michinari Yamamoto) manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |Mar 01 | 2 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 4 | 5 | 5 | 6 | 5 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 2 | 0 | 3 | 0 | 2 | 0 | 2 | 03 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 2 | 4 | 2 | 1 | 04 | 0 | 3 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 5 | 3 | 1 | 2 | 2 | 5 | 5 | 4 | 0 | 05 | 4 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 2 | 0 | 2 | 06 | 3 | 2 | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 2 | 0 | 2 | 0 | 4 | 4 | 8 | 2 | 1 | 2 | 07 | 0 | 2 | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 1 | 2 | 3 | 2 | 08 | 2 | 3 | 0 | 1 | 0 | 1 | 2 | 0 | 1 | 0 | 1 | 4 | 1 | 0 | 2 | 2 | 2 | 2 | 4 | 4 | 1 | 1 | 7 | 1 | 09 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 1 | 3 | 10 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 3 | 1 | 3 | 1 | 0 | 2 | 0 | 3 | 11 | 3 | 0 | 3 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 3 | 2 | 1 | 1 | 1 | 12 | 4 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 0 | 4 | 2 | 0 | 1 | 13 | 0 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 0 | 0 | 1 | 2 | 2 | 0 | 2 | 0 | 0 | 1 | 14 | 0 | 3 | 0 | 0 | 1 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 2 | 2 | 4 | 3 | 0 | 15 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 1 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 16 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 1 | 4 | 7 | 2 | 1 | 1 | 1 | 0 | 1 | 4 | 3 | 17 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 3 | 2 | 0 | 0 | 0 | 1 | 1 | 18 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 10 | 3 | 0 | 19 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 5 | 1 | 0 | 0 | 0 | 0 | 2 | 5 | 1 | 2 | 1 | 20 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 3 | 0 | 2 | 0 | 5 | 4 | 1 | 2 | 21 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 3 | 3 | 2 | 0 | 0 | 1 | 2 | 3 | 1 | 0 | 22 | 2 | 5 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 5 | 1 | 2 | 2 | 1 | 2 | 3 | 5 | 0 | 2 | 23 | 1 | 2 | 1 | 1 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 2 | 3 | 0 | 1 | 1 | 0 | 0 | 0 | 3 | 24 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 3 | 4 | 2 | 3 | 2 | 2 | 2 | 2 | 5 | 5 | 1 | 25 | 1 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 4 | 1 | 0 | 4 | 3 | 3 | 26 | 2 | 4 | 1 | 0 | 1 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 2 | 2 | 3 | 1 | 3 | 6 | 27 | 3 | 2 | 2 | 0 | 0 | 0 | 3 | 2 | 1 | 1 | 0 | 0 | 2 | 2 | 2 | 5 | 2 | 0 | 0 | 2 | 5 | 7 | 5 | 6 | 28 | 1 | 5 | 0 | 2 | 4 | 0 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 3 | 1 | 2 | 3 | 5 | 2 | 2 | 29 | 1 | 4 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 1 | 1 | 6 | 3 | 5 | 4 | 3 | 2 | 4 | 2 | 30 | 4 | 0 | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 3 | 3 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |Mar 01 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 07 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 10 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 16 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 20 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 1 | 23 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 27 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 28 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT note: ???: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer: Norihiro Nakamura Location: Tsukuba, Ibaraki, Japan (140.1 E, 36.0 N) Frequency: 53.755 MHz Transmitter Location:@ Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Antenna : Dipole Receiver : KENWOOD TH-F7 Method : by using MROFFT software (by Michinari Yamamoto) manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 2 | 2 | 1 | 3 | 3 | 8 | 3 | 1 | 2 |Mar 01 | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 3 | 1 | 2 | 3 | 2 | 1 | 0 | 4 | 4 | 6 | 02 | 1 | 1 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 2 | 3 | 2 | 1 | 3 | 03 | 3 | 0 | 3 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 2 | 0 | 1 | 4 | 5 | 1 | 1 | 3 | 3 | 4 | 3 | 1 | 1 | 04 | 2 | 1 | 0 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 2 | 2 | 6 | 1 | 4 | 3 | 6 | 5 | 3 | 05 | 4 | 2 | 2 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 0 | 1 | 4 | 0 | 1 | 3 | 1 | 06 | 3 | 2 | 2 | 0 | 2 | 2 |??? | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 5 | 2 | 0 | 2 | 1 | 1 | 0 | 07 | 2 | 0 | 1 | 5 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 2 | 0 | 0 | 0 | 3 | 0 | 2 | 08 | 1 | 4 | 0 | 3 | 2 | 1 | 2 | 3 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 2 | 1 | 0 | 1 | 1 | 1 | 2 | 09 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 4 | 1 | 1 | 1 | 0 | 10 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 3 | 0 | 4 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 12 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? | 14 |??? | 2 | 3 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 0 |??? | 0 | 1 | 1 | 2 | 3 | 4 | 1 | 0 |??? |??? | 15 | 1 | 0 | 0 | 2 |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 4 | 0 | 0 | 16 | 1 | 1 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 2 | 5 | 2 | 0 | 4 | 1 | 3 | 2 | 17 | 3 | 0 | 1 | 2 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 2 | 0 | 0 | 1 | 0 | 2 | 1 | 4 | 18 | 4 | 1 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 1 | 4 | 2 | 1 | 2 | 2 | 5 | 4 | 3 | 19 | 5 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 3 | 1 | 0 | 1 | 3 | 3 | 2 | 0 | 20 | 2 | 2 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 3 | 1 | 0 | 3 | 2 | 3 | 0 | 21 | 2 | 1 | 0 | 1 | 1 | 2 | 0 |??? | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 22 | 0 | 2 | 0 | 0 |??? |??? |??? |??? | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 1 | 1 | 0 | 1 | 4 | 2 | 1 | 3 | 23 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 3 | 0 | 4 | 1 | 2 | 2 | 2 | 0 | 0 | 24 | 3 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 2 | 0 | 2 | 1 | 6 | 0 | 1 | 0 | 1 | 4 | 25 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 2 | 2 | 0 | 26 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |??? |??? |??? |??? |??? | 0 | 1 | 0 | 1 | 1 | 1 | 2 | 1 | 1 | 27 | 2 | 4 | 3 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 2 | 1 |??? |??? |??? |??? |??? |??? | 7 | 28 | 6 | 4 | 1 | 1 | 4 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? | 29 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 3 | 0 | 2 | 1 | 2 | 4 | 0 | 2 | 30 | 2 | 4 | 2 | 2 | 3 | 1 | 1 | 1 | 4 | 3 | 1 | 1 | 1 | 2 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Mar 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 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 | 0 | 1 | 0 | 1 | 0 |??? |??? | 15 | 0 | 0 | 0 | 0 |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? | 0 | 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 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 25 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | 29 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT note: ???: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer : Hirotaka Otsuka Location : Hirakata, Osaka, Japan (135.7 E, 34.9 N) Frequency: 53.755 MHz Antenna : 2el-HB9CV, 4mH (90-270 Azimuth(East-West), 90elevation) Transmitter Location: Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Reciever: YAESU FT-690 Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |Mar 01 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 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 | 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 | 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 | 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 | 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 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 27 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Mar 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT note: ???: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer : Hiroshi Ogawa Location : Tsukuba, Ibaraki, Japan (36.04 N, 140.05 E) Frequency: 89.4 MHz (Mode:CW,USB) Antenna : FA2 (2el.) horizon, dir: west Receiver: R820T2 & SDR + TCXO Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 5 | 9 | 9 | 6 | 9 | 8 | 7 | 8 | 8 |Mar 01 | 3 | 7 | 3 | 8 | 15 | 8 | 6 | 2 | 7 | 6 | 3 | 4 | 10 | 7 | 10 | 6 | 10 | 10 | 6 | 11 | 8 | 5 | 7 | 6 | 02 | 4 | 5 | 6 | 6 | 4 | 5 | 4 | 4 | 6 | 4 | 4 | 5 | 5 | 4 | 4 | 6 | 10 | 8 | 13 | 10 | 9 | 11 | 15 | 11 | 03 | 7 | 6 | 6 | 5 | 13 | 8 | 4 | 7 | 4 | 5 | 2 | 3 | 5 | 3 | 3 | 11 | 7 | 9 | 15 | 13 | 8 | 7 | 7 | 4 | 04 | 7 | 5 | 2 | 3 | 5 | 5 | 2 | 0 | 0 | 1 | 2 | 3 | 0 | 4 | 0 | 5 | 5 | 3 | 8 | 15 | 8 | 7 | 3 | 4 | 05 | 5 | 8 | 7 | 4 | 9 | 3 | 4 | 0 | 2 | 1 | 5 | 4 | 4 | 8 | 7 | 11 | 5 | 16 | 15 | 7 | 10 | 7 | 10 | 9 | 06 | 6 | 5 | 16 | 10 | 13 | 9 | 7 | 5 | 6 | 6 | 2 | 5 | 2 | 7 | 8 | 11 | 7 | 10 | 9 | 6 | 14 | 13 | 10 | 8 | 07 | 9 | 8 | 3 | 7 | 2 | 6 | 6 | 2 | 6 | 5 | 0 | 6 | 7 | 11 | 9 | 8 | 7 | 10 | 10 | 8 | 6 | 9 | 6 | 4 | 08 | 10 | 10 | 5 | 10 | 11 | 5 | 4 | 3 | 6 | 5 | 4 | 3 | 8 | 3 | 12 | 12 | 9 | 13 | 12 | 6 | 19 | 9 | 5 | 9 | 09 | 9 | 13 | 7 | 20 | 17 | 2 | 3 | 5 | 5 | 8 | 4 | 6 | 6 | 5 | 6 | 10 | 7 | 9 | 13 | 19 | 14 | 16 | 11 | 4 | 10 | 9 | 8 | 10 | 8 | 7 | 6 | 7 | 8 | 4 | 3 | 3 | 6 | 4 | 7 | 9 | 7 | NS | 17 | IF | 8 | 10 | 8 | 10 | 7 | 11 | 11 | 9 | 5 | 8 | 7 | 4 | 3 | 9 | 3 | 8 | 13 | 6 | 6 | 8 | 2 | 10 | 15 | 8 | 12 | 4 | 10 | 5 | 5 | 7 | 12 | 6 | 9 | 5 | 10 | 3 | 7 | 7 | 3 | 7 | 2 | 4 | 3 | 12 | 9 | 9 | 7 | 11 | 7 | 14 | 13 | 11 | 8 | 7 | 7 | 13 | 8 | 12 | 6 | 10 | 13 | 8 | 4 | 6 | 2 | 4 | 5 | 5 | 7 | 9 | 4 | 12 | 4 | 13 | 6 | 8 | 9 | 12 | 10 | 11 | 14 | 9 | 6 | 12 | 7 | 5 | 1 | 7 | 5 | 1 | 3 | 5 | 5 | 9 | 6 | 6 | 6 | 10 | 7 | 14 | 10 | 3 | 5 |??? |??? | 15 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 4 | 7 | 16 | 3 | 11 | 5 | 6 | 8 | 9 | 3 | 2 | 2 | 3 | 5 | 4 | 5 | 5 | 6 | 9 | 12 | 11 | 5 | 9 | 11 | 12 | 13 | 10 | 17 | 5 | 8 | 6 | 8 | 2 | 8 | 3 | 7 | 2 | 1 | 3 | 4 | 10 | 6 | 7 | 15 | 16 | 15 | 16 | 13 | 13 | 8 | 5 | 11 | 18 | 5 | 6 | 8 | 8 | 1 | 6 | 2 | 1 | 3 | 0 | 1 | 1 | 3 | 7 | 9 | 7 | 8 | 9 | 12 | 7 | 9 | 6 | 7 | 5 | 19 | 11 | 8 | 11 | 6 | 7 | 6 | 7 | 3 | 3 | 1 | 6 | 6 | 4 | 5 | 5 | 15 | 22 | 9 | 8 | 8 | 12 | 10 | 9 | 2 | 20 | 6 | 6 | 3 | 7 | 6 | 6 | 4 | 3 | 3 | 2 | 1 | 3 | 9 | 9 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 5 | 9 | 6 | 21 | 9 | 8 | 9 | 11 | 9 | 7 | 6 | 4 | 6 | 2 | 8 | 2 | 8 | 4 | 8 | 8 | 15 | 10 | 10 | 14 | 12 | 13 | 10 | 11 | 22 | 14 | 15 | 10 | 14 | 8 | 5 | 6 | 6 | 3 | 4 | 2 | 4 | 9 | 12 | 11 | 18 | 17 | 15 | 18 | 18 | 11 | 12 | 8 | 16 | 23 | 10 | 13 | 8 | 10 | 5 | 7 | 4 | 4 | 4 | 1 | 3 | 5 | 5 | 10 | 10 | 16 | 9 | 10 | 4 | 11 | 6 | 6 | 5 | 8 | 24 | 1 | 11 | 8 | 9 | 6 | 11 | 8 | 6 | 4 | 7 | 3 | 7 | 5 | 4 | 8 | 12 | 9 | 14 | 4 | 13 | 15 | 13 | 6 | 8 | 25 | 12 | 12 | 8 | 8 | 6 | 5 | 4 | 5 | 2 | NS | 9 | 6 | 6 | 10 | 6 | 6 | 13 | 15 | 17 | 17 | 15 | 11 | 10 | 11 | 26 | 13 | 10 | 7 | 7 | 5 | 11 | 9 | 8 | 4 | 5 | 3 | 6 | 7 | 9 | 11 | 13 | 13 | 13 | 16 | 13 | 17 | 9 | 8 | 7 | 27 | 4 | 11 | 8 | 11 | 8 | 6 | 4 | 3 | 6 | 6 | 8 | 3 | 6 | 13 | 11 | 7 | 6 | 11 | 6 | 12 | 13 | 7 | 19 | 11 | 28 | 12 | 13 | 7 | 4 | 6 | 5 | 4 | 5 | 7 | 0 | 4 | 3 | 5 | 5 | 9 | 8 | 7 | 12 | 10 | 16 | 11 | 16 | 5 | 8 | 29 | 10 | 4 | 12 | 4 | 18 | 5 | 4 | 3 | 6 | 5 | 1 | 4 | 6 | 3 | 7 | 17 | 14 | 11 | 7 | 9 | 4 | 7 | 9 | 6 | 30 | 9 | 11 | 13 | 11 | 11 | 4 | 5 | 5 | 5 | 6 | 7 | 7 | 8 | 3 | 14 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |Mar 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 0 | NS | 0 | IF | 0 | 0 | 1 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 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 | 0 | 0 | 0 | 1 | 0 | 1 | 0 |??? |??? | 15 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 21 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 1 | 2 | 0 | 23 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 25 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Frequency: 92.5 MHz (Mode:CW,USB) Antenna : AF-4 (4el.) horizon, dir: west Receiver: R820T2 & SDR + TCXO Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 15 | 17 | 21 | 16 | 27 | 28 | 20 | 18 | 21 |Mar 01 | 15 | 23 | 10 | 15 | 14 | 16 | 9 | 5 | 11 | 8 | 8 | 6 | 10 | 11 | 13 | 12 | 17 | 12 | 15 | 17 | 19 | 16 | 18 | 15 | 02 | 12 | 10 | 8 | 11 | 8 | 8 | 11 | 6 | 10 | 8 | 8 | 5 | 7 | 7 | 9 | 11 | 19 | 16 | 22 | 14 | 13 | 20 | 14 | 17 | 03 | 14 | 8 | 9 | 11 | 18 | 8 | 6 | 8 | 4 | NS | NS | NS | NS | 15 | 13 | 23 | 22 | 26 | 27 | 22 | 20 | 15 | 15 | 13 | 04 | 16 | 17 | 13 | 11 | 17 | 14 | 3 | 4 | 4 | 3 | 3 | 10 | 7 | 13 | 18 | 16 | 21 | 12 | 26 | 18 | 24 | 22 | 15 | 14 | 05 | 9 | 16 | 14 | 9 | 20 | 7 | 5 | 5 | 4 | 4 | 5 | 7 | 9 | 12 | 12 | 24 | 21 | 24 | 27 | 20 | 22 | 18 | 22 | IF | 06 | 17 | 15 | 19 | 10 | 13 | 10 | 8 | 6 | 6 | 8 | 1 | 8 | 6 | 16 | 22 | 24 | 21 | 26 | 20 | 17 | 25 | 20 | 12 | 11 | 07 | 13 | 16 | 14 | 15 | 13 | 11 | 12 | 5 | 9 | 8 | 5 | 6 | 9 | NS | NS | 39 | 30 | 26 | 24 | 26 | 25 | 14 | 17 | 17 | 08 | 16 | 15 | 12 | 15 | 12 | 9 | 7 | 5 | 7 | 3 | 5 | 5 | 11 | 8 | 19 | 26 | 21 | 28 | 25 | 25 | 25 | 20 | 18 | 24 | 09 | 20 | 26 | 15 | 18 | 16 | 18 | 11 | 11 | 8 | 11 | 6 | 8 | 9 | 16 | 15 | 27 | 16 | 32 | 28 | 32 | 29 | 18 | 14 | 11 | 10 | 15 | 8 | 18 | 39 | 18 | 10 | 9 | 7 | 5 | 3 | 3 | NS | 6 | 12 | 12 | 11 | 30 | 24 | 37 | 24 | 27 | 10 | 12 | 14 | 11 | 18 | 13 | 8 | 11 | 9 | 5 | 3 | 12 | 4 | 6 | 9 | 9 | 0 | 6 | 4 | 12 | 18 | 10 | 16 | 11 | 18 | 12 | 11 | 17 | 12 | 22 | 24 | 19 | 12 | 13 | 8 | 10 | 4 | 6 | 2 | 7 | 6 | 19 | 11 | 18 | 16 | 23 | 29 | 21 | 21 | 20 | 8 | 12 | 17 | 13 | 12 | 17 | 15 | 15 | 16 | 11 | 7 | 5 | 1 | 7 | 3 | NS | 6 | 16 | 18 | 23 | 26 | 29 | 16 | 23 | 24 | 15 | 16 | 20 | 14 | 19 | 22 | 17 | 21 | 18 | 11 | 10 | 9 | 4 | 5 | 9 | 12 | 11 | 16 | 21 | 19 | 29 | 22 | 27 | 23 | 17 | 16 | 15 | 15 | 15 | 19 | 15 | 30 | 17 | 12 | 12 | 7 | 12 | 7 | 6 | 8 | 3 | 5 | 15 | 17 | 15 | 21 | 22 | 28 | 29 | 32 | 28 | 19 | 19 | 16 | 13 | 19 | 12 | 12 | 14 | 13 | 7 | 7 | 4 | 3 | 11 | 6 | 8 | 11 | 11 | 14 | 20 | 26 | 14 | 15 | 24 | 15 | 19 | 17 | 17 | 14 | 14 | 12 | 11 | 8 | 9 | 6 | 6 | 5 | 5 | NS | NS | NS | 12 | 23 | 33 | 32 | 31 | 30 | 31 | 15 | 19 | 11 | 17 | 18 | 9 | 18 | 16 | 19 | 8 | 17 | 8 | 8 | 8 | 3 | 3 | 5 | 7 | 8 | 20 | 31 | 18 | 21 | 25 | 16 | 20 | 21 | 18 | 15 | 19 | 11 | 11 | 13 | 11 | 8 | 6 | 7 | 5 | 5 | 2 | 9 | 9 | 10 | 10 | 18 | 28 | 27 | 25 | 26 | 25 | 35 | 20 | 20 | 21 | 20 | 15 | 17 | 16 | 12 | 11 | 22 | 7 | 7 | 6 | 7 | 3 | 6 | 10 | 13 | 17 | 23 | 21 | 21 | 20 | 17 | 23 | 30 | 20 | 23 | 21 | 28 | 22 | 18 | 18 | 13 | 13 | 9 | 8 | 10 | 6 | 11 | 4 | 13 | 8 | 11 | 26 | 33 | 31 | 34 | 41 | 37 | 29 | 24 | 24 | 22 | 20 | 27 | 16 | 20 | 13 | 13 | 9 | 10 | 7 | 6 | 4 | 10 | 11 | 21 | 27 | 29 | 36 | 40 | 37 | 38 | 33 | 23 | 15 | 28 | 23 | 26 | 26 | 20 | 18 | 19 | 19 | 9 | 7 | 6 | 4 | 5 | 10 | 8 | 19 | 22 | 29 | 24 | 22 | 24 | 21 | 21 | 13 | 16 | 17 | 24 | 17 | 23 | 26 | 30 | 18 | 23 | 13 | 10 | 4 | 9 | 7 | 12 | 12 | 17 | 25 | 28 | 23 | 31 | 30 | 26 | 27 | 24 | 18 | 11 | 25 | 22 | 20 | 21 | 21 | 13 | 15 | 10 | 6 | 7 | IF | 4 | 7 | 13 | 14 | 18 | 20 | 27 | 28 | 24 | 23 | 22 | 12 | 12 | 12 | 26 | 19 | 17 | 14 | 16 | 12 | 11 | 11 | 7 | 3 | 5 | 7 | 9 | 13 | 15 | 20 | 37 | 28 | 29 | 30 | 27 | 26 | 19 | 20 | 23 | 27 | 21 | 24 | 19 | 22 | 23 | 17 | 5 | 7 | 6 | 7 | 5 | 4 | 11 | 20 | 20 | 16 | 22 | 23 | 17 | 27 | 20 | 17 | 17 | 16 | 28 | 15 | 28 | 13 | 19 | 21 | 18 | 9 | 8 | 10 | 5 | 8 | 4 | 8 | 15 | 23 | 17 | 23 | 29 | 19 | 29 | 23 | 24 | 15 | 12 | 29 | 23 | IF | 18 | 15 | 14 | 20 | 14 | 11 | 15 | 12 | 3 | 10 | 11 | 13 | 19 | 18 | 26 | 32 | 19 | 26 | 20 | 15 | 17 | 15 | 30 | 17 | 13 | 25 | 22 | 15 | 10 | 8 | 9 | 11 | 6 | 10 | 11 | 10 | 10 | 16 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |Mar 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | IF | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 11 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 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 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 1 | 2 | 1 | 23 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 24 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 25 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 28 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | IF | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Apr| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- About the RMOJ... RMOJ reports the results of radio meteor observation in Japan, sent to myself. Every month, this bulletin is sent to Mr.Christian Steyaert, who publishes RMOB, which is a world-wide bulletin. I hope RMOJ will be helpful to radio observers, as well as all meteor observers. Hiroshi Ogawa 2022.05.06