Radio Meteor Observation in Japan No.271 May 2024 - English : https://www.iprmo.org - Japanese: https://jpn.iprmo.org ----------------------------------------------------------------------------- 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 -- May| 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 | 2 3 6 9 5 7 1 5 7 1 5 5 1 5 0 1 0 0 2 2 1 0 4 3 02 | 6 2 5 9 4 10 15 13 6 9 0 4 1 0 1 0 2 0 0 0 1 1 5 2 03 | 10 5 7 6 12 5 18 8 6 1 0 1 0 2 2 0 0 0 0 0 1 4 4 4 04 | 5 4 5 4 5 4 11 12 5 8 4 4 2 1 1 0 0 1 0 4 1 6 1 0 05 | 2 3 4 3 3 5 6 8 2 1 0 0 1 1 0 0 0 0 0 0 0 0 1 2 06 | 1 2 4 4 4 4 5 7 2 7 2 2 3 3 4 0 0 0 0 2 1 0 1 3 07 | 1 1 1 0 5 7 1 3 3 0 0 2 0 1 2 1 2 0 0 0 2 2 1 2 08 | 2 3 6 5 4 4 6 5 2 3 1 3 7 4 6 0 1 4 1 3 1 5 3 6 09 | 10 5 17 10 18 12 21 10 2 2 5 2 1 2 0 0 0 0 0 1 2 5 7 10 10 | 9 13 11 23 14 15 21 14 3 6 6 6 5 4 3 0 1 1 1 0 3 1 3 3 11 | 2 6 5 5 5 10 8 6 8 5 %2 4 0 0 1 0 0 1 0 0 0 2 5 1 12 | 2 0 1 3 2 3 4 5 5 0 0 2 3 1 1 1 0 0 0 0 0 2 2 2 13 | 1 3 0 0 4 6 6 3 4 2 1 0 1 3 3 5 3 1 0 1 0 1 1 6 14 | 2 4 3 3 4 3 8 7 6 %0 %1 0 0 0 0 0 1 0 1 0 0 0 0 3 15 | 1 2 3 2 3 2 3 3 1 1 0 0 0 1 0 1 0 1 0 1 1 1 2 1 16 | 0 2 2 2 3 7 4 1 1 3 2 2 0 2 0 0 0 2 0 0 1 3 0 2 17 | 4 5 10 9 7 17 8 8 7 7 2 0 3 3 0 1 1 1 1 0 1 5 2 7 18 | 8 12 7 6 9 5 10 5 2 1 2 4 3 2 2 3 %2 %1 0 0 2 3 4 6 19 | 7 9 7 7 10 4 7 9 2 4 3 3 6 5 5 3 4 1 1 2 2 3 2 7 20 | 2 3 3 3 7 3 7 6 4 4 3 3 3 2%14 NS 0 1 1 1 3 1 4 1 21 | 5 0 1 1 1 3 5 2 0 3 0 0 0 0 0 1 0 0 2 0 3 2 3 6 22 | 4 7 5 4 10 7 5 1 5 4 2 1 0 2 0 0 0 4 0 2 1 0 5 3 23 | 2 2 4 4 5 2 6 2 1 0 0 1 3 4 1 3 1 1 1 0 1 4 2 8 24 | 0 2 3 1 3 6 5 3 5 0 0 0 %0 NS NS NS 1 1 1 6 9 8 8 8 25 | 7 9 8 4 8 7 7 2 NS 2 0 1 1 1 0 2 1 0 0 0 3 4 2 4 26 | 4 5 4 3 8 11 9 6 3 4 1 2 0 0 0 0 1 1 2 0 2 3 3 1 27 | 1 0 1 4 3 3 1 2 3 0 2 1 1 2 1 0 0 0 0 4 2 0 4 1 28 | 1 3 3 6 3 3 6 5 2 3 1 1 0 2 3 3 1 1 2 1 1 0 3 5 29 | 8 0 1 0 4 2 3 2 0 0 1 1 0 0 1 0 0 0 1 1 1 1 5 10 30 | 8 9 3 6 4 5 7 5 1 2 2 0 1 1 3 5 2 0 0 1 4 1 8 6 31 | 1 3 3 1 3 7 10 5 4 2 2 4 1 4 3 2 2 1 2 3 1 3 4 1 ---+------------------------------------------------------------------------ May| 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 May| 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 3 2 04 | 3 1 05 | 06 | 2 1 07 | 1 08 | 1 09 | 10 | 1 2 11 | 12 | 1 13 | 1 14 | 1 15 | 16 | 17 | 18 | 19 | 1 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 1 28 | 1 1 29 | 30 | 1 31 | ---+------------------------------------------------------------------------ May| 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: 50.027 MHz Transmitter Location: HAM beacon (JE7YNQ) (50 W CW, 50.027 MHz) Antenna : 2el. HB9CV Az:60deg. 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 -- May| 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 | 0 3 4 2 1 4 2 3 0 4 6 4 3 0 6 0 3 3 1 0 0 0 0 1 02 | 1 6 3 3 0 1 8 3 5 5 9 3 4 4 4 1 0 0 0 0 0 0 0 3 03 | 1 2 1 2 1 0 2 3 4 4 5 5 4 2 5 4 0 0 0 1 1 0 0 0 04 | 1 2 2 1 3 6 11 6 10 9 6 7 2%12 0 3 0 1 2 1 1 0 0 1 05 | 5 0 2 1 3 6 6 11 5 14 9 10 6 7 2 1 3 1 0 1 1 2 3 2 06 | 1 3 2 5 7 9 7 6 5 7 6 3 7 5 3 1 2 0 0 1 1 0 1 2 07 | 1 0 2 4 4 5 5 9 7 9 21 5 7 5 6 3 0 1 0 0 2 1 0 1 08 | 2 3 2 3 2 5 11 9 9 10 5 2 7 2 0 1 2 1 0 0 0 1 2 1 09 | 5 0 2 2 1 2 4 5 4 5 10 4 2 3 4 1 0 1 0 0 0 0 0 2 10 | 0 3 3 4 4 4 3 3 6 11 5 10 4 %6 2 3 0 1 1 1 1 0 0 2 11 | 2 2 0 2 2 2 3 4 3 4 3 9 11 2 6 1 0 0 0 1 0 1 2 4 12 | 3 6 5 1 2 3 8 4 8 8 4 11 6 3 4 2 0 0 0 0 1 4 0 2 13 | 1 5 2 1 6 1 9 6 8 3 1 3 2 1 4 0 0 0 0 1 0 0 1 1 14 | 4 1 1 2 3 3 4 2 4 5 3 0 6 8 2 1 0 0 0 0 0 0 0 4 15 | 3 1 2 2 2 5 4 10 4 9 4 8 3 7 3 5 1 0 0 0 0 0 1 3 16 | 2 2 4 1 1 0 1 0 2 4 1 0 %2 1 1 0 %0 IF 0 0 1 1 1 2 17 | 0 0 0 0 0 2 1 1 0 2 2 5 2 6 2 0 0 0 1 0 0 1 0 0 18 | 1 2 4 0 2 5 3 2 4 0 IF IF IF IF IF IF IF %0 0 0 2 0 0 2 19 | 1 3 5 3 2 2 2 3 1 7 2 4 5 1 5 3 3 0 0 0 0 0 1 3 20 | 4 1 4 1 0 0 1 0 2 2 5 3 3 5 6 2 0 0 2 2 0 0 0 1 21 | 0 4 2 0 1 0 0 2 0 0 1 2 0 4 1 2 1 0 0 2 0 0 0 2 22 | 1 5 3 4 4 6 2 6 1 0 4 3 4 1 0 2 3 2 0 0 3 IF 1 0 23 | 1 0 4 6 1 3 1 3 2 2 1 2 1 3 4 0 1 1 0 1 1 0 3 1 24 | 3 4 0 2 0 2 4 4 2 5 0 8 2 5 2 1 1 0 0 1 0 0 0 1 25 | 2 5 3 2 2 1 2 1 1 4 1 0 2 2 1 4 0 1 0 0 0 3 0 0 26 | 1 0 0 0 2 0 0 1 1 2 1 3 1 3 4 1 1 0 0 0 0 0 1 1 27 | 0 1 1 3 3 4 5 3 1 4 2 2 2 6 4 2 0 0 0 0 0 1 0 3 28 | 0 4 2 2 0 4 1 2 1 0 2 0 4 0 0 2 2 0 0 0 0 0 1 3 29 | 1 1 0 0 4 0 0 0 1 0 0 2 3 2 1 1 %3 %4 1 0 %0 2 1 0 30 | 2 1 2 2 1 2 2 1 %0 %6 0 %0 IF IF IF IF IF IF 0 0 1 0 0 0 31 | 1 1 0 0 1 1 1 0 1 1 3 0 1 4 2 0 2 0 1 0 0 0 2 2 ---+------------------------------------------------------------------------ May| 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 May| 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 | 03 | 1 04 | 1 1 2 05 | 06 | 1 07 | 08 | 09 | 10 | 11 | 1 12 | 1 1 1 13 | 14 | 1 15 | 16 | 1 17 | 1 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 1 28 | 29 | 30 | 31 | ---+------------------------------------------------------------------------ May| 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: 112.0 MHz Transmitter Location: VOR-Komatsu, Japan Antenna : 5el-Yagi Az60deg 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 -- May| 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 | 5 0 0 0 2 1 0 1 4 2 0 0 1 1 1 0 0 0 0 0 0 1 0 1 02 | 0 0 0 2 1 1 4 3 1 1 3 3 1 0 1 2 1 1 1 1 0 2 4 0 03 | 0 0 0 1 4 2 3 1 2 2 0 2 1 1 2 1 2 2 0 0 1 0 0 1 04 | 2 0 2 4 2 3 9 2 7 5 4 1 0 3 0 1 2 1 0 0 0 0 2 0 05 | 0 1 0 1 2 3 6 2 4 0 2 1 1 0 %0 %0 2 2 0 0 2 1 0 0 06 | 1 1 0 0 5 2 4 2 3 1 4 1 2 0 2 1 1 0 1 0 1 3 0 1 07 | 0 0 0 1 1 7 0 7 2 0 0 2 1 3 2 1 0 0 2 0 1 1 0 2 08 | 4 2 2 2 2 2 3 5 1 3 1 2 0 0 0 0 1 0 1 1 2 1 1 0 09 | 1 0 0 2 1 3 2 3 3 0 3 1 0 0 0 0 2 3 1 1 5 1 1 0 10 | 2 1 0 0 3 5 3 5 1 1 6 2 1 5 2 0 5 1 %1 0 0 0 1 2 11 | 2 2 0 2 2 8 3 4 5 3 2 4 1 1 1 2 2 3 0 0 1 0 0 %0 12 | 3 7 8 7 2 3 3 3 0 4 8 %9 %1 1 %2 0 1 0 0 0 1 0 1 5 13 | 3 3 7 3 10 1 6 IF %1 5 5 %3 %2 IF IF %0 IF 0 0 0 0 1 1 IF 14 | IF IF IF IF IF 2 2 2 1 5 1 2 %0 0 -- %0 0 2 1 0 %2 %0 0 0 15 | 0 2 0 0 0 0 1 1 3 %2 0 0 0 0 -- -- -- -- -- -- -- -- -- 0 16 | 1 0 0 0 1 1 2 1 1 1 1 0 1 0 %1 0 1 1 0 0 0 0 %0 -- 17 | -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 18 | -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 4 19 | 3 6 5 8 8 3%16%19 13 7 9 10 8 4 %6 IF IF IF %2 1 1 1 4 2 20 | 3 3 4 0 0 5 1 4 4 2 1 1 3 1 6 4 4 3 1 0 0 0 4 1 21 | 1 6 3 3 5 3 1 1 4 1 2 2 1 IF IF IF IF IF IF IF -- -- %0 9 22 | 2 3 1 3 1 1 4 %1 0 1 1 0 2 3 %0 2 0 2 0 0 3 4 1 5 23 | 5 1 2 2 4 1 1 6 3 %4 4 %3 3 1 2 5 3 4 4 IF 1 2 1 7 24 | 4 4 8 4 5 5 10 6 3 -- %2 1 3 0 0 0 3 2 0 0 0 1 0 2 25 | 1 1 2 2 2 6 3 5 7 3 3 2 4 0 4 2 3 3 0 4 2 3 7 1 26 | 7 8 2 1 2 3 5 6 4 3 2 2 3 4 2 3 0 7 2 1 1 1 6 1 27 | 3 2 5 4 3 2 4 6 5 2 3 3 0 5 4 3 1 2 2 0 1 1 2 1 28 | 3 4 4 2 4 7 3 4 7 4 1 3 5 3 3 2 3 4 2 3 0 1 2 1 29 | 5 1 2 3 4 8 5 1 0 0 2 3 1 3 3 3 2 4 5 2 0 2 6 6 30 | 2 3 4 2 4 3 3 1 0 0 1 3 3 4 0 5 3 2 3 5 0 5 5 2 31 | 1 2 3 3 3 0 1 3 1 3 0 2 1 4 4 5 2 1 4 0 4 0 0 1 ---+------------------------------------------------------------------------ May| 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 May| 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 | 03 | 04 | 1 1 05 | 1 06 | 07 | 1 08 | 09 | 10 | 1 11 | 1 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 1 21 | 22 | 23 | 1 1 24 | 25 | 26 | 27 | 28 | 1 29 | 1 1 30 | 31 | ---+------------------------------------------------------------------------ May| 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 -- May| 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 | 2 4 1 6 4 6 3 8 12 9 8 5 1 2 3 0 1 2 2 4 1 6 1 2 02 | 3 4 4 4 2 3 7 8 6 10 4 4 2 1 3 1 0 1 1 0 1 0 4 2 03 | 3 5 2 10 4 8 14 9 10 6 2 2 1 2 0 2 0 1 1 3 4 5 2 3 04 | 6 5 4 11 8 5 9 16 9 8 4 4 2 0 2 1 1 1 2 0 1 3 2 4 05 | 6 3 6 3 6 5 10 12 6 6 4 6 3 3 2 0 1 0 0 0 2 2 3 4 06 | 3 4 9 7 14 10 9 11 10 7 5 7 3 2 1 2 2 0 1 1 1 2 5 6 07 | 1 7 4 11 4 10 14 12 3 4 8 6 5 1 3 0 3 0 0 1 2 2 2 4 08 | 4 5 5 6 12 8 11 13 17 6 8 4 0 1 2 1 1 1 0 1 3 4 2 7 09 | 7 5 5 4 7 7 11 11 9 9 8 4 1 3 1 0 1 1 2 2 2 0 3 7 10 | 3 1 5 7 5 5 10 12 12 11 5 5 2 %6 3 %2 0 0 1 0 1 4 2 5 11 | 9 3 2 4 4 4 11 5 12 4 2 1 2 0 1 1 2 1 1 1 0 2 9 3 12 | 5 4 6 6 6 10 7 10 14 9 8 5 4 1 2 1 1 0 0 2 3 3 9 5 13 | 5 7 4 5 2 5 8 11 9 7 4 4 0 3 3 2 2 0 1 2 3 3 4 6 14 | 4 8 4 4 4 6 4 8 16 8 7 3 5 2 1 2 2 1 0 0 1 0 4 4 15 | 1 5 2 4 9 10 8 14 10 7 2 4 1 2 2 2 2 0 1 0 4 1 7 2 16 | 5 2 1 6 4 7 3 6 12 11 4 2 2 5 0 1 1 1 2 3 4 0 3 2 17 | 4 1 4 8 3 3 9 10 6 10 7 3 5 3 2 2 0 0 0 2 3 4 2 4 18 | 4 5 7 7 5 7 6 10 8 3 4 2 5 2 0 0 0 0 1 0 1 2 1 3 19 | 11 1 3 7 6 6 13 11 13 5 9 5 3 0 3 2 1 0 0 2 2 3 3 5 20 | 6 6 5 6 5 7 3 11 7 9 6 4 1 1 1 0 0 0 0 0 1 1 2 10 21 | 1 4 5 4 2 5 4 10 4 7 3 %1 1 3 1 1 0 0 1 0 3 5 4 5 22 | 6 10 1 5 7 7 4 5 8 5 1 3 3 0 1 1 0 0 3 1 2 2 1 3 23 | 5 2 5 5 8 6 7 6 3 3 2 1 2 1 0 3 1 0 0 1 2 3 3 3 24 | 5 3 1 6 2 5 5 3 8 5 6 1 5 1 1 1 0 1 0 0 2 3 2 4 25 | 1 5 2 9 2 2 5 6 10 8 7 0 1 2 1 1 2 1 1 1 1 2 6 6 26 | 8 9 7 5 4 6 5 9 8 5 4 4 1 0 0 0 2 2 0 1 5 2 5 5 27 | 3 6 4 4 8 6 6 9 11 9 3 2 1 4 1 1 1 0 2 1 1 2 6 4 28 | 7 4 10 4 7 3 2 2 9 6 5 2 3 0 0 2 0 1 3 0 1 1 0 3 29 | 4 3 2 5 3 5 2 13 4 -- 4 0 1 0 0 1 1 1 2 3 2 0 3 4 30 | 2 2 4 2 7 4 10 5 16 10 2 0 0 0 0 0 1 0 2 2 1 4 1 3 31 | 3 6 2 6 4 3 6 9 7 12 1 1 1 0 2 1 3 0 0 0 0 3 3 4 ---+------------------------------------------------------------------------ May| 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 May| 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 | 1 2 2 04 | 1 1 1 05 | 1 1 1 06 | 1 2 1 1 07 | 1 1 1 1 08 | 2 09 | 1 10 | 1 1 2 11 | 12 | 1 13 | 1 14 | 1 15 | 1 1 16 | 17 | 1 18 | 1 19 | 1 20 | 1 1 1 1 21 | 22 | 1 23 | 24 | 25 | 26 | 1 27 | 28 | 29 | 1 1 30 | 31 | ---+------------------------------------------------------------------------ May| 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 -- May| 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 | 3 1 2 3 2 8 14 10 14 10 7 4 8 6 8 6 3 3 2 3 1 4 4 3 02 | 2 7 5 2 6 8 12 7 12 8 7 5 10 8 7 1 0 3 3 3 1 2 5 4 03 | 6 6 1 6 4 13 6 18 16 12 9 5 4 7 9 5 2 0 2 4 5 3 7 8 04 | 2 5 6 5 9 6 3 5 5 4 10 2 1 2 2 2 2 3 2 3 3 0 3 10 05 | 5 4 12 3 9 14 12 14 8 13 18 8 8 9 7 3 6 0 0 4 2 2 2 1 06 | 6 3 5 2 11 6 17 21 8 13 6 5 8 11 6 4 0 2 2 0 1 2 5 4 07 | 5 2 5 2 23 14 24 18 12 12 12 8 9 7 5 3 2 1 0 2 1 5 2 1 08 | 7 4 7 6 10 15 21 16 10 5 8 6 8 7 10 7 1 4 1 2 4 6 5 6 09 | 3 7 9 6 10 19 15 15 12 9 %1 5 3 5 7 4 3 1 2 6 3 8 2 6 10 | 6 4 4 5 8 12 17 13 6 6 3 3 4 8 4 8 2 4 2 1 1 2 3 7 11 | 5 5 8 5 8 12 15 18 15 14 6 5 4 10 11 4 0 0 6 4 1 4 6 4 12 | 1 4 5 5 11 12 15 16 11 11 7 2 3 7 1 0 1 1 2 0 3 4 2 5 13 | 7 3 5 3 17 21 25 13 10 15 7 7 15 8 5 2 1 1 1 1 0 4 5 6 14 | 8 11 2 4 10 15 17 8 12 4 9 7 7 6 1 1 3 0 4 1 2 1 3 5 15 | 6 5 4 8 12 6 17 7 13 12 3 3 6 12 6 3 5 2 2 2 2 4 2 5 16 | 9 6 8 14 11 13 21 13 7 17 2 2 6 5 8 4 3 2 1 2 2 2 7 3 17 | 3 7 9 7 5 11 10 9 11 4 6 9 7 6 4 7 3 5 3 1 2 6 5 4 18 | 4 2 7 6 8 11 23 7 13 2 7 1 7 4 9 2 2 2 1 6 3 2 3 5 19 | 8 4 10 6 5 13 11 13 8 10 5 5 5 2 5 5 3 0 1 2 2 2 4 5 20 | 6 4 5 10 10 12 12 13 7 10 6 5 5 3 4 3 4 3 1 0 2 4 3 6 21 | 4 10 10 6 10 22 16 24 11 5 5 9 3 2 11 7 5 4 1 5 6 14 11 4 22 | 6 17 10 17 12 18 20 23 14 7 2 3 2 4 8 7 4 1 2 0 4 3 6 4 23 | 7 7 8 9 8 15 20 10 17 4 5 6 4 5 6 3 2 3 1 0 3 0 6 6 24 | 8 4 4 13 12 13 19 15 4 5 2 2 0 4 3 8 3 1 3 1 1 2 3 7 25 | 1 3 3 3 14 18 14 13 16 8 5 5 3 4 9 5 4 1 0 2 3 3 4 1 26 | 5 5 2 1 6 6 13 20 17 9 11 %7 3 7 7 3 2 2 7 2 3 2 4 4 27 | 5 5 6 0 9 13 21 13 12 14 9 5 7 3 3 5 3 0 1 2 2 2 4 7 28 | 3 1 3 7 14 12 15 5 5 7 2 8 6 14 14 6 3 7 3 2 2 6 2 6 29 | 7 2 7 6 9 17 13 17 14 5 7 6 4 9 8 5 7 2 5 2 2 4 6 2 30 | 5 6 4 3 12 20 20 7 10 5 4 2 6 8 8 5 6 1 1 3 3 9 7 6 31 | 4 4 5 3 10 15 13 21 13 8 8 2 7 6 9 6 5 1 1 5 3 5 3 3 ---+------------------------------------------------------------------------ May| 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 May| 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 1 03 | 1 1 04 | 1 2 05 | 2 1 1 1 2 06 | 1 07 | 1 2 3 1 2 1 08 | 1 2 1 09 | 1 10 | 1 11 | 12 | 13 | 1 14 | 15 | 1 1 16 | 17 | 1 18 | 1 19 | 1 1 20 | 21 | 1 1 22 | 1 23 | 24 | 1 1 25 | 1 26 | 1 27 | 1 28 | 1 29 | 2 1 30 | 1 1 31 | 1 1 ---+------------------------------------------------------------------------ May| 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 : Hiroshi Suzuki Location : Soma, Fukushima, Japan (37.79 N, 140.98 E) Frequency: 52.905 MHz Transmitter Location:@ HAM beacon (50 W CW, 52.905 MHz), Higashimurayama, Tokyo, Japan No modulation except for identification Antenna : DP-ANT 1ele SW-NE, dir: south Receiver: RTL-SDR Method : by using HROFFT software (by Kazuhiko Ohkawa) -- Total number of echoes -- May| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|JST ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 01| 3 | 3 | 1 | 0 | 2 | 6 | 4 | 4 | 4 | 1 | 7 | 6 | 4 | 3 | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 3 | 7 | 11| 02| 9 | 11| 9 | 9 | 13| 9 | 10| 8 | 2 | 1 | 3 | 6 | 0 | 3 | 2 | 0 | 1 | 1 | 0 | 1 | 4 | 1 | 8 | 4 | 03| 12| 12| 19| 10| 3 | 7 | 2 | 5 | 4 | 1 | 8 | 9 | 3 | 0 | 7 | 3 | 3 | 1 | 1 | 1 | 1 | 2 | 1 | 4 | 04| 3 | 6 | 8 | 7 | 5 | 1 | 5 | 3 | 9 | 7 | 6 | 3 | 5 | 3 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 1 | 2 | 05| 4 | 7 | 9 | 19| 7 | 9 | 12| 10| 4 | 2 | 10| 4 | 7 | 4 | 3 | 2 | 3 | 0 | 1 | 0 | 3 | 7 | 9 | 3 | 06| 4 | 3 | 3 | 4 | 6 | 6 | 8 | 4 | 5 | 9 | 9 | 4 | 6 | 2 | 2 | 1 | 3 | 3 | 1 | 1 | 0 | 2 | 2 | 1 | 07| 2 | 1 | 2 | 1 | 8 | 6 | 13| 12| 0 | 12| 1 | 10| 3 | 6 | 2 | 2 | 3 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 08| 4 | 4 | 6 | 7 | 5 | 4 | 1 | 9 | 3 | 5 | 4 | 6 | 0 | 2 | 0 | 3 | 1 | 0 | 1 | 1 | 0 | 1 | 9 | 7 | 09| 12| 4 | 17| 10| 7 | 3 | 10| 0 | 3 | 5 | 2 | 1 | 0 | 3 | 0 | 1 | 1 | 0 | 0 | 2 | 1 | 1 | 8 | 9 | 10| 8 | 2 | 9 | 11| 6 | 7 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 7 | 11| 2 | 0 | 3 | 4 | 3 | 6 | 3 | 2 | 1 | 2 | 0 | 0 | 1 | 1 | 0 | 2 | 2 | 3 | 1 | 1 | 2 | 0 | 0 | 2 | 12| 3 | 0 | 0 | 3 | 3 | 7 | 3 | 2 | 3 | 0 | 0 | 6 | 2 | 2 | 0 | 1 | 1 | 0 | 1 | 2 | 0 | 0 | 1 | 1 | 13| 3 | 4 | 1 | 0 | 3 | 5 | 1 | 1 | 3 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 2 | 0 | 1 | 0 | 0 | 14| 1 | 1 | 2 | 7 | 1 | 9 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 2 | 2 | 6 | 15| 3 | 4 | 4 | 2 | 3 | 4 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 16| 1 | 1 | 4 | 0 | 4 | 1 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 1 | 1 | 1 | 0 |??? |??? |??? | 0 | 5 | 17| 5 | 4 | 3 | 7 | 3 | 1 | 0 | 1 | 2 | 1 | 2 | 2 | 0 | 1 | 0 | 6 | 0 | 0 | 2 | 0 | 2 | 1 | 4 | 1 | 18| 2 | 2 | 2 | 3 | 2 | 6 | 4 | 2 | 1 | 0 | 1 | 2 | 0 | 2 | 0 | 1 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 19| 4 | 2 | 1 | 3 | 4 | 3 | 1 | 2 | 0 | 0 | 1 | 2 | 1 | 1 | 1 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 20| 1 | 0 | 2 | 0 | 1 | 0 | 6 | 0 | 3 | 0 | 3 | 0 | 1 | 1 | 0 | 2 | 0 | 1 | 1 | 0 | 1 | 1 | 6 | 4 | 21| 1 | 1 | 4 | 4 | 2 | 3 | 4 | 4 | 0 | 2 | 0 | 1 | 2 | 3 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 2 | 0 | 3 | 22| 1 | 3 | 7 | 7 | 2 | 0 | 6 | 1 | 2 | 1 | 3 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 23| 2 | 6 | 5 | 6 | 2 | 1 | 7 | 5 | 0 | 2 | 7 | 2 | 2 | 2 | 1 | 2 | 2 | 1 | 0 | 0 | 2 | 2 | 1 | 4 | 24| 4 | 3 | 2 | 0 | 2 | 4 | 2 | 2 | 2 | 1 | 2 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 25|??? |??? |??? |??? |??? | 1 | 1 | 0 | 2 | 0 | 1 | 0 | 2 | 2 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 3 | 1 | 26| 2 | 5 | 5 | 5 | 4 | 0 | 1 | 7 | 2 | 5 | 0 | 0 | 3 | 5 | 1 | 2 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 27| 3 | 3 | 0 | 0 | 4 | 3 | 3 | 1 | 1 | 1 | 0 | 1 | 1 | 2 | 2 | 2 | 0 | 0 | 0 | 1 | 1 | 1 | 3 | 3 | 28| 2 | 3 | 5 | 5 | 5 | 2 | 3 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 3 | 0 | 29| 6 | 5 | 2 | 5 | 2 | 1 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 3 | 12| 30| 10| 1 | 9 | 5 | 6 | 5 | 1 | 2 | 1 | 1 | 0 | 0 | 2 | 1 | 1 | 2 | 2 | 0 | 1 | 0 | 2 | 1 | 2 | 3 | 31| 3 | 7 | 2 | 1 | 5 | 7 | 2 | 4 | 3 | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 0 | 3 | 2 | 0 | 0 | 1 | 2 | 0 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|JST Echoes longer than 20 seconds May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 01 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 4 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 05 | 0 | 1 | 2 | 3 | 2 | 2 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 09 | 2 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 2 | 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 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 1 | 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 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 17 | 1 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 19 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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: 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 -- May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 30 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 1 | 1 | 2 | 3 | 5 | 3 | 2 | 2 |Apr 01 | 4 | 2 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 1 | 2 | 0 | 0 | 2 | 3 | 2 | 1 | 2 | 3 | 4 | 0 | 2 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 1 | 2 | 4 | 0 | 1 | 1 | 2 | 0 | 0 | 2 | 2 | 6 | 4 | 2 | 0 | 03 | 3 | 1 | 18 | ES | ES | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 5 | 1 | 4 | 2 | 1 | 5 | 12 | 11 | 3 | 5 | 04 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 2 | 2 | 2 | 3 | 7 | 11 | 8 | 4 | 1 | 05 | 0 | 4 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 3 | 5 | 5 | 7 | 8 | 6 | 7 | 06 | 2 | 5 | 0 | 0 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 2 | 3 | 1 | 0 | 5 | 5 | 9 | 1 | 1 | 07 | 3 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 7 | 12 | 9 | 9 | 2 | 08 | 3 | 0 | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 2 | 3 | 2 | 5 | 1 | 4 | 5 | 2 | 2 | 0 | 09 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 1 | 3 | 0 | 2 | 2 | 3 | 2 | 2 | 2 | 1 | 5 | 10 | 10 | 2 | 3 | 10 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 3 | 2 | 2 | 2 | 5 | 3 | 6 | 3 | 2 | 5 | 1 | 11 | 1 | 0 | 0 | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 4 | 4 | 1 | 4 | 3 | 4 | 5 | 5 | 6 | 4 | 2 | 12 | 1 | 0 | 6 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 13 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 7 | 2 | 3 | 14 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 1 | 3 | 0 | 3 | 3 | 8 | 9 | 3 | 6 | 15 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 2 | 2 | 4 | 4 | 2 | 5 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 17 | 0 | 0 | 0 | 6 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 4 | 1 | 1 | 18 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 2 | 1 | 0 | 3 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 3 | 0 | 1 | 3 | 6 | 4 | 1 | 20 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 21 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 1 | 1 | 2 | 1 | 2 | 0 | 0 | 23 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 1 | 0 | 1 | 24 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 6 | 4 | 1 | 5 | 1 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 2 | 2 | 26 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 2 | 1 | 6 | 1 | 2 | 2 | 3 | 4 | 2 | 27 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 4 | 3 | 2 | 1 | 1 | 2 | 1 | 28 | 1 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 4 | 0 | 1 | 1 | 0 | 2 | 3 | 3 | 4 | 2 | 1 | 29 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 1 | 5 | 1 | 1 | 1 | 0 | 0 | 2 | 1 | 1 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 2 | 3 | 3 | 2 | 0 | 31 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 30 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |Apr 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 03 | 0 | 0 | 0 | ES | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 05 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 06 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 12 | 0 | 0 | 1 | 0 | 0 | 1 | 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 | 1 | 1 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 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 | 1 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 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 | 0 | 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 | 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 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 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 | 1 | 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 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 -- May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 30 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |Apr 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 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 | 1 | 1 | 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 | 1 | 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 | 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 | 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 | 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 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 30 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Apr 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 | 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 | 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 | 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 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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: 52.905 MHz Transmitter Location:@ HAM beacon (50 W CW, 52.905 MHz), Higashimurayama, Tokyo, Japan No modulation except for identification Antenna : Dipole Receiver : YAESU FT-817 Method : by using MROFFT software (by Michinari Yamamoto) manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 30 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 2 | 5 | 2 | 2 | 5 | 8 | 3 | 1 | 4 |Apr 01 | 2 | 1 | 3 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 3 | 1 | 8 | 3 | 4 | 4 | 5 | 4 | 8 | 1 | 02 | 0 | 1 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 2 | 4 | 3 | 8 | 5 | 10 | 15 | 9 | 3 | 3 | 03 | 2 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 1 | 1 | 4 | 2 | 7 | 5 | 4 | 6 | 15 | 10 | 11 | 11 | 3 | 2 | 04 | 2 | 4 | 1 | 0 | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 0 | 4 | 0 | 1 | 0 | 2 | 3 | 7 | 4 | 9 | 8 | 2 | 1 | 05 | 7 | 5 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 2 | 0 | 1 | 2 | 2 | 3 | 3 | 4 | 10 | 5 | 3 | 2 | 06 | 2 | 2 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 0 | 3 | 1 | 3 | 7 | 5 | 8 | 6 | 8 | 07 | 8 | 3 | 7 | 3 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 2 | 5 | 3 | 6 | 3 | 6 | 12 | 1 | 08 | 2 | 1 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 2 | 4 | 1 | 7 | 9 | 12 |??? |??? | 09 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 1 | 5 | 1 | 0 | 3 | 6 | 1 | 0 | 10 | 2 | 0 | 2 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 6 | 6 | 2 | 1 | 2 | 3 | 17 | 12 | 5 | 1 | 11 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 2 | 3 | 1 | 4 | 2 | 3 | 2 | 5 | 3 | 7 | 2 | 12 | 0 | 2 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 1 | 2 | 2 | 0 | 5 | 2 | 7 | 15 | 7 | 19 | 3 | 13 | 3 | 1 | 1 | 4 | 2 | 3 | 2 | 0 | 0 | 2 | 1 | 2 | 3 | 5 | 4 | 7 | 3 | 3 | 8 | 6 |??? |??? | 2 | 0 | 14 | 2 | 4 | 0 | 1 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 4 | 2 | 4 | 9 | 10 | 7 | 1 | 1 | 15 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 3 | 2 | 0 | 7 | 3 | 6 | 5 | 3 | 16 | 1 |??? | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 2 | 2 | 0 | 2 | 4 | 7 | 5 | 12 | 5 | 3 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 0 | 2 | 2 | 2 | 6 | 4 | 1 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 9 | 1 | 4 | 0 | 19 | 1 | 0 | 0 | 0 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? | 4 | 5 | 3 | 1 | 3 | 2 | 4 | 2 | 2 | 2 | 20 | 0 | 3 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 21 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 1 | 3 | 2 | 3 |??? |??? |??? |??? |??? | 22 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 1 | 2 | 3 | 4 | 5 | 0 | 1 | 23 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 1 | 3 | 7 | 6 | 1 | 3 | 2 | 5 | 4 | 1 | 2 | 24 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 3 | 5 | 1 | 5 | 4 | 7 | 4 | 8 | 6 | 2 | 3 | 25 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 1 | 1 | 3 | 6 | 2 | 4 | 2 | 0 | 26 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 3 | 2 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 27 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 3 | 1 | 4 | 0 | 2 | 3 | 28 | 1 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 1 | 3 | 3 | 2 | 4 | 3 | 5 | 7 | 0 | 29 | 0 | 1 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 4 | 4 | 1 | 3 | 1 | 5 | 3 | 2 | 0 | 30 | 1 | 1 |??? |??? |??? |??? | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 5 | 0 | 4 | 4 | 2 | 4 | 8 | 1 | 31 | 0 | 0 | 1 | 2 | 3 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 2 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 30 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Apr 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 | 1 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 05 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 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 |??? |??? | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 14 | 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 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 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 | 1 | 20 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 21 | 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 | 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 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 0 | 0 | 1 | 0 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 2024.07.13