Radio Meteor Observation in Japan No.259 May 2023 - 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 -- 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 | 4 12 4 7 12 11 6 5 1 6 3 4 %3 NS %0 NS %0 0 0 1 3 1 4 3 02 | 1 8 2 4 13 4 3 4 3 0 2 1 1 1 3 3 1 1 0 0 2 1 5 3 03 | 8 5 4 9 7 8 7 5 5 7 4 4 1 1 5 0 0 1 1 1 3 2 7 3 04 | 7 7 8 6 8 9 10 3 5 7 7 2 0 1 2 1 0 2 1 2 2 6 7 7 05 | 11 9 13 9 7 16 12 11 8 14 14 9 5 2 6 2 1 5 2 1 1 2 3 4 06 | 9 7 8 7 7 6 10 9 7 8 8 15 7 5 3 3 2 0 2 1 0 4 6 4 07 | 4 9 8 12 9 11 19 10 9 16 21 6 9 1 8 3 4 1 2 1 4 1 6 9 08 | 7 6 7 6 9 7 11 6 4 6 5 4 2 NS 3 1 0 1 1 2 3 2 1 2 09 | 2 3 6 9 9 9 7 2 3 0 2 1 2 0 2 0 2 0 1 1 2 3 3 3 10 | 6 2 3 10 4 12 11 11 7 3 2 6 2 0 NS NS NS %0 %0 NS 1 1 1 4 11 | 0 4 5 7 12 4 4 7 2 3 2 NS NS NS NS NS NS NS %0 0 1 2 0 0 12 | 5 4 4 3 11 4 4 2 2 1 2 4 0 2 5 2 0 0 0 3 3 1 3 3 13 | 7 7 4 4 6 8 14 4 9 7 5 3 7 8 1 5 0 1 1 1 2 4 3 7 14 | 7 8 8 6 7 8 7 7 2 6 6 3 5 7 4 2 3 1 1 2 3 3 2 3 15 | 0 4 2 5 2 3 4 5 4 3 5 3 2 3 0 5 2 1 0 0 4 4 2 7 16 | 2 8 8 8 8 4 9 7 5 1 1 3 %0 NS NS NS 1 1 1 0 0 3 1 3 17 | 7 8 10 9 8 7 3 2 2 3 3 2 %0 %0 %1 1 0 1 0 0 2 4 6 6 18 | 11 7 10 7 8 8 10 5 4 0 %0 %0 1 0 4 2 5 4 2 1 0 3 3 2 19 | 2 3 9 7 6 6 8 7 5 5 7 4 6 4 3 4 0 1 1 1 1 4 5 2 20 | 4 3 3 4 4 7 7 5 2 2 4 0 0 1 3 0 2 2 5 4 3 6 3 2 21 | 7 5 9 6 3 2 2 5 3 4 1 3 0 1 0 0 0 1 2 1 1 4 1 4 22 | 1 2 8 4 9 6 7 2 4 1 0 0 0 2 2 1 2 1 0 2 0 2 2 8 23 | 5 7 9 6 5 8 7 4 2 2 1 3 0 0 0 0 0 0 0 1 1 0 1 6 24 | 0 5 11 8 1 1 0 1 %0 0 %0 0 %0 %0 2 0 3 0 1 3 1 1 2 7 25 | 10 4 2 3 7 8 4 4 6 4 5 5 5 2 3 1 3 1 2 3 0 0 6 0 26 | 9 9 4 6 6 3 5 3 1 6 1 2 2 3 0 4 1 1 1 0 2 2 4 2 27 | 2 5 3 7 3 5 6 1 1 1 3 2 0 1 0 0 1 1 2 0 2 3 2 1 28 | 9 8 5 5 6 6 5 7 3 4 2 0 3 1 2 4 1 1 0 0 0 4 2 4 29 | 3 6 9 7 4 6 1 11 3 7 4 4 3 4 3 1 1 2 2 3 1 4 2 8 30 | 8 6 8 8 4 5 5 7 2 10 6 1 2 3 4 4 2 0 2 1 1 3 4 4 31 | 6 6 3 5 5 6 9 2 9 0 3 1 4 1 2 2 3 2 3 1 3 2 4 6 ---+------------------------------------------------------------------------ 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 | 2 02 | 1 1 03 | 1 04 | 1 1 05 | 1 1 1 06 | 1 1 07 | 1 1 1 1 08 | 1 09 | 1 10 | 1 1 11 | 12 | 13 | 1 1 1 2 14 | 15 | 16 | 1 17 | 18 | 1 19 | 20 | 1 21 | 22 | 23 | 24 | 1 25 | 1 26 | 27 | 28 | 29 | 1 30 | 1 31 | 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 : Tuboi Observatory[TSUBOI MASAKI] Location : Asakitaku,Hiroshimashi,JAPAN (34.45 N, 132.50 E) Frequency: 50.017 MHz Transmitter Location: Miyazaki University (131.4 E, 31.8 N) HAM beacon (JA6YBR) (50 W CW, 50.017 MHz) No modulation except for identification Antenna : 2el. HB9CV Az:200deg. horizon. Receiver: R820T2-SDR+TCXO SDRRadioMethod : 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 2 1 2 3 5 0 1 6 5 1 3 5 1 3 2 0 0 %2 %1 1 1 3 3 02 | 3 5 2 2 2 0 5 1 3 2 2 7 3 2 5 2 2 2 3 1 IF %3 1 1 03 | 1 3 2 5 10 9 17 11 6 6 7 5 6 1 2 1 5 4 1 3 1 0 6 2 04 | 4 2 3 4 9 10 9 8 1 6 9 8 4 2 1 4 1 1 0 3 4 6 6 3 05 | 5 5 4 9 15 12 28 20 12 10 10 8 IF 0 3 0 0 6 2 %6 3 3 4 7 06 | 3 2 6 7 9 11 16 12 10 4 4 2 0 2 2 2 1 0 %2 %4 IF IF %6 3 07 | 5 0 2 0 1 5 5 4 9 6 2 3 1 3 2 2 1 3 IF %6 IF %1 0 %0 08 |%11 0 11 3 2 2 0 6 1 3 2 1 0 2 4 1 2 4 1 1 3 0 5 8 09 | 4 0 5 6 6 11 16 11 9 13 6 2 1 3 2 2 1 1 3 %4 IF IF 2 2 10 | 1 1 1 0 4 3 9 4 7 6 6 2 0 4 2 0 8 %8 IF IF 1 1 2 5 11 | 3 1 4 0 2 2 1 3 4 2 6 %0 0 0 2 0 1 5 %8%17 2 0 1 3 12 | %4 1 0 1 1 2 4 0 2 3 0 0 2 5 1 4 0 1 1 0 4 0 2 1 13 | 3 4 5 5 3 1 2 6 0 6 4 0 9 6 5 4 3 7 1 3 2 2 4 4 14 | 4 1 4 3 3 3 7 3 1 1 1 0 1 2 0 0 0 3 0 4 1 2 5 2 15 | 3 5 6 6 8 6 10 15 8 3 11 1 4 3 2 4 0 3 2 3 1 0 6 10 16 | 6 5 3 0 6 4 3 3 1 5 4 4 5 3 1 3 1 1 0 %0 %0 1 2 3 17 | 0 2 1 4 2 7 7 6 6 4 4 1 4 5 2 1 0 0 1 1 2 2 7 1 18 | 2 1 4 6 8 2 9 3 4 1 1 1 0 1 2 4 1 0 0 1 5 4 7 3 19 | 4 4 5 9 10 10 4 9 13 6 4 4 4 2 1 3 1 0 1 3 0 3 3 3 20 | 4 6 9 9 6 7 6 12 9 13 7 5 3 2 6 3 2 3 3 1 0 2 4 3 21 | 2 2 0 1 3 2 1 2 2 2 7 4 5 5 4 1 3 2 3 2 %0 IF IF %2 22 | 4 3 2 1 1 0 4 5 0 1 0 3 5 5 0 4 0 3 0 %2 0 3 3 5 23 | 7 10 2 3 5 9 6 5 6 2 5 2 2 0 IF IF IF %2 0 %0 %0 1 2 4 24 | 0 0 1 0 1 5 5 4 3 0 2 1 0 5 1 3 1 1 1 1 0 2 3 3 25 | 6 8 3 3 2 6 10 11 6 3 4 4 1 0 0 1 0 0 2 0 0 2 4 5 26 | 4 2 4 7 4 8 5 5 5 3 0 3 3 3 1 1 2 0 1 0 0 3 4 4 27 | 10 6 3 3 4 5 6 4 8 7 8 2 1 1 0 0 1 0 0 2 2 3 1 5 28 | 3 3 0 5 3 8 2 3 0 2 1 0 4 0 2 2 5 2 2 1 0 2 1 4 29 | 1 1 1 2 3 3 2%10 IF IF IF IF IF IF IF 6 1 3 2 2 1 6 5 4 30 | 6 1 2 3 6 8 2 5 4 IF IF IF IF IF IF IF IF IF IF IF 1 3 5 1 31 | 6 5 0 3 3 2 1 7 2 1 0 2 0 5 0 2 0 %4 0 0 1 0 2 6 ---+------------------------------------------------------------------------ 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 05 | 2 1 06 | 1 1 1 1 1 07 | 08 | 1 09 | 1 1 1 10 | 1 11 | 12 | 13 | 14 | 15 | 16 | 17 | 1 18 | 19 | 1 1 20 | 2 1 21 | 22 | 23 | 24 | 25 | 26 | 27 | 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: 92.5 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 -- 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 | 15 17 22 17 14 18 24 IF IF IF IF IF IF IF IF IF IF%12 3 5 2 8 11 8 02 | 17 26 20 14 28 35 31%34 IF IF IF IF IF IF IF IF IF %5 6 5 6 10 7 11 03 | 21 13 26 18 34 27 27 IF IF IF IF IF IF IF IF IF%10 7 4 9 3 5 12 10 04 | 14 27 21 14 24 22 32 27 33 20 16 23%24 IF IF IF 9 4 5 11 3 8 9 14 05 | 15 20 25 23 25 37 35 31 35 38 48 IF IF IF 25 16 11 5 7 6 5 7 5 7 06 | 12 10 18 18 24 33 37 30 42 31 54 46 34 30 25 20 12 5 2 6 4 7 4 9 07 | 14 18 13 15 21 24 20 31 47 47 44 37 46 29 33 20 15 %7 6 6 0 8 12 12 08 | 18 22 26 25 18 22 27 22%38%28 IF IF IF IF IF IF IF%14 11%13 6 6 10 10 09 | 14 21 23 22 23 31 26 IF IF IF IF IF IF IF IF IF IF %5 6 6 3 7 4 13 10 | 11 25 16 25 18 29 34%32 IF IF IF IF IF IF IF IF 14%10 7 6 3 6 13 6 11 | 20 27 23 13 23 33 18 IF IF IF IF IF IF IF IF IF IF 7 4 3 3 6 7 15 12 | 17 25 26 17 14 21 33 IF IF IF IF IF IF IF IF IF %8 6 4 4 6 4 12 17 13 | 15 12 15 18 14 17 32 15 22 23 30 33 33 IF 29 18 15 5 6 2 6 7 10 12 14 | 17 19 21 21 13 11 22 16 15%20 IF IF IF IF IF IF IF 15 7 3 3 6 9 14 15 | 14 15 22 25 18 15 26 IF IF IF IF IF IF IF IF IF IF%10 5 8 5 10 8 15 16 | 13 17 15 22 26 22 15 IF IF IF IF IF IF IF IF IF IF %8 10 3 %7 9 7 13 17 | 14 17 30 27 28 22 20 IF IF IF IF IF IF IF IF IF IF 3 3 4 2 11 11 23 18 | 21 18 29 22 32 23 30 25%26 IF IF IF 39 39%28 22 21%18 4 14 3 4 16 20 19 | 18 35 22 20 24 24 23 22 20 17 20 IF IF IF IF%20 17 7 6 %3 5 8 8 13 20 | 19 23 17 25 30 19 20 19%33 IF IF IF IF IF IF IF IF %6 10 7 2 13 12 19 21 | 20 26 18 25 23 28 24 IF IF IF IF IF IF IF IF IF IF IF %0 8 10 9 10 13 22 | 16 21 28 20 15 24 21%23 IF IF IF IF IF IF%29 24 11 6 %5 IF IF 15 7 12 23 | 14 18 30 22 22 31 22%36 IF IF IF IF IF IF IF IF IF%12 8 6 8 9 10 12 24 | 24 33 43 35 27 23 31%18 IF IF IF IF IF IF IF IF 9 7 10 5 7 10 12 16 25 | 11 32 32 16 26 30 27 19 28 26%20 IF IF IF IF IF%12%15 10 2 7 9 10 13 26 | 19 18 16 29 26 29 20 16 26 IF 23 IF IF IF IF IF IF 7 4 5 9 8%16 16 27 | 18 24 20 20 31 24 32 20 13 IF IF IF IF IF IF IF IF%19 10 3 7 9 12 15 28 | 23 26 33 23 20 21 23%20 IF%29 IF%22%31 IF 29 IF IF%20 IF 14 9 12 15 10 29 | 12 22 22 20 17 22 28 IF IF IF IF IF IF IF IF%25 21 17 4 12 %5 %8 13 12 30 | 21 21 18 18 22 22 12 18 IF IF IF IF IF IF IF IF IF IF IF IF 11 5 7 7 31 | 24 13 22 14 18 17 15 19 26 9 18 IF IF IF IF IF IF IF IF IF %9 10 10 15 ---+------------------------------------------------------------------------ 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 1 1 2 1 1 04 | 1 3 4 2 05 | 1 8 3 3 3 5 3 1 06 | 5 3 2 2 7 1 2 2 07 | 1 1 2 2 4 7 4 2 3 1 1 08 | 1 1 3 1 09 | 1 1 1 10 | 1 1 1 1 3 11 | 1 1 1 12 | 3 3 13 | 1 1 2 1 14 | 1 1 1 15 | 1 1 16 | 1 2 17 | 2 1 18 | 1 2 1 1 1 19 | 1 1 20 | 1 1 1 21 | 1 1 1 22 | 23 | 1 1 24 | 1 2 25 | 1 1 2 1 26 | 2 2 27 | 1 1 1 28 | 1 29 | 1 1 30 | 1 1 31 | 1 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 :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 | 8 9 9 6 15 12 9 16 10 7 14 9 11 4 6 0 1 0 3 1 2 6 12 11 02 | 13 8 4 3 10 7 10 17 11 13 15 4 3 6 1 1 2 2 0 0 1 2 4 2 03 | 7 3 7 5 3 8 16 17 17 13 9 8 5 2 0 1 0 0 2 0 5 3 6 8 04 | 10 4 8 14 9 15 22 12 19 13 15 9 6 3 2 3 0 0 2 3 5 3 4 7 05 | 6 7 10 9 16 21 24 29 24 21 16 9 7 1 3 0 0 4 2 3 2 5 4 5 06 | 9 7 15 9 22 27 20 24 15 9 22 5 2 3 2 2 1 3 1 2 3 3 8 3 07 | 0 2 3 8 13 14 6 7 23 22 14 7 12 2 4 2 3 1 2 3 1 2 4 5 08 | 9 9 15 9 15 16 20 20 21 13 15 5 10 6 2 2 2 2 0 1 0 4 4 3 09 | 2 3 5 5 7 9 16 11 20 25 9 7 5 3 4 2 5 1 4 2 2 3 2 11 10 | 7 9 4 4 10 22 18 19 14 11 8 10 4 5 1 5 0 0 1 3 5 9 6 6 11 | 6 11 8 5 12 10 23 19 18 -- -- -- -- -- -- -- -- -- 1 1 1 4 4 3 12 | 8 4 8 7 7 7 13 18 20 18 12 9 4 3 0 1 2 2 1 0 3 0 0 0 13 | 6 2 5 6 8 9 8 2 9 13 11 6 5 3 1 2 0 1 1 1 2 2 3 5 14 | 5 4 7 7 12 2 11 13 10 15 6 6 4 3 1 4 1 1 0 1 2 4 5 8 15 | 3 7 5 2 6 6 7 12 11 15 9 4 2 2 6 0 0 3 0 2 1 7 0 2 16 | 6 10 4 4 7 12 15 11 8 12 4 5 2 2 1 2 2 1 1 0 0 3 1 1 17 | 7 8 2 7 4 8 8 6 5 5 2 1 0 2 2 0 0 0 0 1 0 4 4 7 18 | 8 9 6 6 9 8 7 2 7 6 2 2 3 1 2 0 2 1 1 0 0 1 5 1 19 | 3 4 2 7 7 7 8 7 9 7 5 4 3 0 0 3 2 1 0 0 2 1 7 8 20 | 6 5 4 4 6 9 9 6 11 8 6 3 1 3 1 2 2 3 2 1 3 0 2 4 21 | 3 2 3 1 4 3 11 10 6 6 5 5 2 5 1 2 1 1 1 0 1 3 2 2 22 | 3 2 5 7 5 10 4 6 7 8 2 5 2 0 1 1 1 1 0 1 0 0 2 2 23 | 1 9 5 1 5 10 8 16 7 8 5 2 2 1 4 2 1 3 0 0 1 1 4 6 24 | 2 14 8 14 18 5 10 4 11 7 7 2 1 2 2 2 0 0 1 0 0 5 8 3 25 | 4 5 2 4 7 8 4 7 8 14 6 4 2 2 0 1 2 1 2 2 1 4 4 4 26 | 10 1 1 0 3 4 10 9 15 5 5 2 2 2 0 1 0 1 2 1 1 3 3 4 27 | 3 2 1 1 3 6 5 6 7 6 4 3 1 0 0 1 2 0 2 1 2 1 2 2 28 | 2 3 2 0 2 3 1 4 8 11 5 1 1 5 5 1 2 1 2 2 2 4 5 2 29 | 3 0 5 3 1 6 8 8 9 -- -- -- -- -- 2 3 0 4 2 0 3 3 3 3 30 | 3 5 4 6 1 7 4 4 11 5 -- -- -- 2 1 1 -- 1 1 0 0 2 1 0 31 | 3 5 7 7 9 8 9 11 8 5 3 1 1 2 2 1 1 2 2 1 2 0 3 6 ---+------------------------------------------------------------------------ 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 | 2 1 02 | 1 1 1 03 | 1 1 1 04 | 1 1 1 2 05 | 1 1 2 1 1 1 4 06 | 1 1 1 3 1 2 2 1 1 07 | 1 1 1 1 1 2 1 08 | 2 1 2 3 1 09 | 1 2 1 10 | 1 2 2 1 11 | 1 12 | 1 1 13 | 1 1 1 14 | 15 | 1 16 | 17 | 1 18 | 1 19 | 20 | 21 | 22 | 23 | 24 | 25 | 1 1 26 | 1 27 | 1 28 | 1 29 | 1 1 30 | 31 | 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 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 | 4 8 8 10 11 5 14 13 8 5 5 7 0 4 5 4 2 1 2 4 2 6 12 6 02 | 12 5 8 3 9 9 11 15 12 6 3 1 4 7 1 2 2 1 4 5 3 5 2 4 03 | 5 7 3 7 8 14 11 20 14 11 7 6 7 9 11 6 1 1 3 2 3 7 12 4 04 | 5 10 7 9 12 14 21 15 18 6 6 3 5 2 6 4 0 2 4 3 7 5 6 11 05 | 10 13 8 6 10 17 13 19 21 16 8 8 7 14 3 2 2 5 3 2 5 8 6 7 06 | 10 3 7 14 6 10 14 26 19 7 4 3 0 5 6 4 2 1 5 0 1 7 7 4 07 | 3 4 3 6 10 10 17 22 16 12 6 4 8 11 7 2 4 3 0 1 4 5 4 4 08 | 7 7 7 4 8 17 17 15 10 12 10 10 12 8 5 4 0 3 3 1 0 6 3 10 09 | 5 9 5 12 12 17 24 9 15 10 4 6 6 6 4 2 0 1 3 0 6 6 11 9 10 | 8 4 6 12 14 16 15 19 11 12 11 5 6 5 1 2 1 2 3 4 2 0 3 4 11 | 4 2 9 10 8 20 9 19 17 11 11 5 5 6 6 5 1 3 2 5 9 2 4 10 12 | 6 9 7 8 10 12 26 22 10 9 6 8 16 7 5 5 1 1 3 1 4 3 3 6 13 | 10 8 4 9 9 13 18 13 13 7 5 13 4 8 5 4 2 2 1 0 5 6 13 7 14 | 6 4 7 5 14 13 15 14 17 6 4 4 5 3 3 7 4 3 2 2 2 3 9 4 15 | 5 10 2 8 8 7 12 14 12 6 8 2 7 5 5 8 0 2 2 4 2 7 7 6 16 | 9 10 7 13 19 26 26 12 8 5 1 5 6 5 8 4 4 1 4 1 3 8 5 11 17 | 4 12 5 10 18 17 22 27 8 7 7 4 7 12 12 3 0 2 3 1 0 3 5 2 18 | 6 2 1 4 6 12 15 14 13 4 4 6 5 9 4 3 4 4 1 2 3 2 4 3 19 | 0 1 1 6 15 11 17 20 12 8 8 4 5 11 8 3 4 1 0 2 5 2 2 8 20 | 5 7 4 4 17 18 20 20 16 8 6 4 7 4 3 4 2 0 2 2 5 4 4 7 21 | 4 4 5 4 12 9 16 12 14 9 2 4 7 6 2 4 2 2 2 2 5 3 1 5 22 | 2 3 5 3 5 3 17 20 10 11 6 5 6 7 7 1 0 3 1 3 3 6 6 9 23 | 7 10 13 7 9 26 25 17 11 7 7 7 6 7 5 4 5 2 0 2 3 2 5 8 24 | 5 5 4 6 13 19 14 14 8 10 5 4 9 7 7 5 1 1 1 3 3 6 11 8 25 | 4 7 5 6 13 16 16 16 15 7 3 9 11 12 9 7 2 2 1 3 7 3 8 9 26 | 12 6 7 %7 -- -- -- -- -- 10 10 5 9 12 14 4 2 0 1 6 3 3 5 10 27 | 9 7 7 7 10 19 20 26 5 4 2 5 6 7 3 3 3 2 3 0 4 0 4 1 28 | 1 8 4 5 5 12 17 6 9 10 5 4 8 8 8 0 6 6 5 5 4 2 3 3 29 | 1 1 1 4 7 11 23 23 13 7 8 4 10 9 12 3 4 3 2 1 3 4 4 2 30 | 5 4 6 4 15 14 15 15 8 1 4 5 8 6 18 10 2 1 3 3 5 3 4 5 31 | 0 5 4 7 17 16 24 21 10 10 10 3 6 11 8 10 6 1 0 1 0 6 5 7 ---+------------------------------------------------------------------------ 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 1 03 | 2 1 04 | 1 05 | 1 3 2 4 4 3 1 06 | 1 2 1 2 2 1 07 | 1 1 1 1 1 08 | 1 1 2 2 09 | 1 1 10 | 1 2 1 11 | 1 1 1 12 | 1 13 | 1 1 14 | 15 | 16 | 1 1 17 | 1 18 | 1 2 19 | 1 20 | 1 21 | 22 | 1 1 23 | 1 24 | 25 | 1 1 26 | 1 27 | 1 28 | 29 | 1 1 30 | 31 | 1 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: 92.5 MHz Antenna : AF-4 (4el.) horizon, dir: west 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| 41| 54| 48| 45| 33| 60| 50| 66| 88| 67| 107| 115| 55| 59| 30| 21| 12| 5 | 9 | 16| 10| 23| 41| 45| 02| 55| 43| 43| 42| 27| 39| 42| 66| 77| 85| 95| 33| 54| 48| 23| 22| 21| 10| 5 | 16| 12| 16| 23| 32| 03| 24| 31| 28| 31| 40| 36| 53| 72| 95| 124| 77| 74| 47| 44| 37| 20| 11| 14| 1 | 11| 20| 23| 33| 35| 04| 35| 38| 40| 44| 35| 67| 71| 99| 115| 70| 74| 55| 43| 46| 18| 13| 7 | 6 | 7 | 10| 17| 14| 31| 33| 05| 41| 42| 41| 65| 51| 78| 78| 107| 108| 118| 113| 58| 54| 41| 33| 25| 16| 37| 17| 16| 34| 7 | 15| 33| 06| 36| 37| 56| 82| 91| 92| 90| 98| 123| 99| 94| 11| 27| 25| 22| 12| 8 | 10| 9 | 7 | 9 | 17| 27| 51| 07| 33| 30| 31| 28| 40| 44| 43| 30| 41| 41| 28| 25| 21| 12| 6 | 4 | 3 | 0 | 0 | 1 | 6 | 13| 22| 13| 08| 13| 10| 12| 21| 31| 21| 20| 43| 49| 41| 36| 31| 34| 24| 34| 17| 2 | 5 | 3 | 3 | 4 | 9 | 16| 16| 09| 39| 32| 29| 31| 30| 23| 61| 52| 85| 73| 82| 83| 78| 24| 37| 3 | 10| 3 | 7 | 4 | 11| 13| 6 | 6 | 10| 5 | 9 | 8 | 13| 18| 38| 44| 49| 73| 70| 68| 58| 37| 32| 20| 25| 5 | 1 | 9 | 6 | 7 | 13| 14| 24| 11| 19| 17| 13| 11| 11| 15| 36| 33| 50| 65| 49| 45| 44| 27| 29| 25| 11| 12| 13| 3 | 17| 21| 14| 11| 12| 13| 8 | 11| 21| 17| 19| 33| 40| 37| 37| 46| 41| 38| 24| 12| 12| 7 | 8 | 5 | 7 | 4 | 7 | 8 | 12| 13| 11| 14| 22| 19| 39| 41| 18| 33| 46| 63| 57| 55| 67| 17| 27| 21| 17| 10| 8 | 22|??? | 13| 29| 0 | 14| 45| 58| 60| 39| 45| 45| 72| 64| 42| 66| 61| 69| 100| 61| 32| 23| 15| 9 | 11| 11| 17| 9 | 28| 59| 15| 36| 31| 63| 58| 53| 60| 53| 58| 53| 74| 39| 55| 42| 7 | 17| 12| 12| 9 | 1 | 9 | 16|??? | 24| 30| 16| 34| 42| 39| 34| 45| 49| 51| 69| 71| 51| 52| 32| 38| 33| 20| 30| 21| 26| 28| 11| 12| 25| 22| 31| 17| 33| 38| 43| 38| 40| 40| 59| 33| 52| 57| 43| 72| 60| 36| 12| 23| 17| 15| 15| 13| 27| 26| 29| 39| 18| 33| 42| 48| 51| 55| 39| 54| 78| 101| 96| 98| 88| 68| 54| 37| 20| 7 | 11| 11| 14| 23| 28| 38| 37| 19| 37| 48| 37| 35| 51| 33| 37| 38| 27| 62| 84| 64| 79| 49| 36| 18| 11| 6 | 3 | 6 | 17| 19| 26| 42| 20| 31| 41| 50| 23| 46| 34| 35| 30| 41| 46| 50| 53| 47| 44| 29| 21| 17| 14| 2 | 0 | 0 | 0 | 0 | 33| 21| 60| 47| 35| 55| 44| 46| 36| 25| 39| 52| 45| 54| 61| 40| 39| 22| 23| 9 | 8 | 15| 10| 17| 28| 31| 22| 38| 35| 44| 72| 46| 42| 36| 46| 50| 66| 63| 60| 66| 52| 34| 21| 12| 12| 12| 22| 14| 16| 20| 41| 23| 52| 39| 43| 37| 48| 30| 44| 47| 72| 36| 56| 54| 34| 42| 19| 17| 14| 9 | 8 | 29| 5 | 12| 21| 25| 24| 39| 36| 62| 51| 56| 39| 45| 37| 53| 40| 84| 72| 61| 42| 41| 19| 20| 17| 15| 13| 20| 29| 38| 30| 25| 42| 48| 36| 26| 40| 55| 45| 53| 81| 59| 40| 50| 66| 49| 34| 26| 18| 19| 6 | 15| 11| 32| 25| 43| 26| 53| 49| 47| 45| 49| 57| 42| 48| 90| 83| 76| 48| 59| 26| 3 | 19| 25| 9 | 6 | 2 |??? | 18| 31| 35| 27| 43| 37| 58| 54| 54| 67| 44| 43| 43| 45| 42| 50| 69| 44| 28| 34| 17| 11| 10| 14| 19| 21| 31| 29| 28| 55| 49| 40| 59| 42| 45| 34| 33| 35| 51| 36| 44| 30| 22| 22| 13| 9 | 11| 7 |??? | 14| 11| 17| 12| 29| 38| 31| 38| 37| 24| 33| 33| 36| 4 |??? |??? |??? | 26| 37| 21| 17| 12| 19| 5 | 7 | 15| 20| 25| 34| 30| 49| 41| 59| 53| 69| 43| 34| 41| 73| 35| 45| 53| 7 | 47| 38| 18| 9 | 3 | 6 |??? | 16|??? | 8 | 65| 31| 79| 86| 81| 93| 72| 63| 42| 49| 41| 47| 40| 37| 37| 51| 36| 29| 31| 16| 14| 12| 27| 29| 45| 46| ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 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 | 0 | 0 | 1 | 3 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 3 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 1 | 2 | 3 | 2 | 5 | 5 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 1 | 3 | 0 | 1 | 4 | 7 | 11 | 5 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 2 | 3 | 4 | 3 | 5 | 4 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 1 | 2 | 4 | 2 | 4 | 2 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 1 | 0 | 3 | 1 | 0 | 3 | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 3 | 1 | 2 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 1 | 2 | 2 | 1 | 2 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 1 | 0 | 1 | 0 | 2 | 0 | 1 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 2 | 0 | 1 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 4 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 24 | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 0 | 2 | 0 | 2 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 1 | 0 | 1 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 1 | 4 | 1 | 1 | 3 | 6 | 3 | 5 | 1 |Apr 01 | 2 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 02 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 4 | 9 | 4 | 5 | 2 | 03 | 0 | 2 | 0 | 3 | 1 | 1 | 1 | 4 | 1 | 0 | 2 | 4 | 1 | 0 | 1 | 0 | 0 | 2 | 5 | 5 | 9 | 13 | 8 | 9 | 04 | 8 | 6 | 3 | 2 | 0 | 5 | 1 | 2 | 1 | 1 | 0 | 3 | 0 | 1 | 12 | 5 | 4 | 8 | 16 | 8 | 17 | 6 | 4 | 0 | 05 | 3 | 1 | 6 | 2 | 3 | 0 | 0 | 3 | 9 | 4 | 2 | 1 | 1 | 1 | 0 | 1 | 5 | 2 | 6 | 6 | 10 | 6 | 7 | 4 | 06 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 3 | 5 | 6 | 11 | 11 | 3 | 4 | 07 | 2 | 3 | 1 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 1 | 2 | 2 | 08 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | ES | ES | 0 | 1 | 0 | 0 | 2 | 2 | 0 | 0 | 4 | 2 | 8 | 1 | 1 | 3 | 09 | 4 | 1 | 0 | 0 | 3 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 3 | 4 | 5 | 7 | 3 | 9 | 4 | 4 | 8 | 10 | 3 | 4 | 1 | 0 | 1 | 2 | 2 | 2 | 0 | 0 | 3 | 1 | 3 | 2 | 2 | 0 | 4 | 3 | 9 | 0 | 6 | 6 | 5 | 4 | 11 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | ES | 0 | 0 | 0 | 1 | 2 | 2 | 0 | 0 | 1 | 3 | 1 | 1 | 4 | 5 | 3 | 12 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 3 | 0 | 0 | 0 | 6 | 4 | 6 | 3 | 13 | 2 | 0 | 0 | 1 | 0 | 2 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 4 | 4 | 10 | 6 | 7 | 2 | 14 | 2 | 1 | 0 | 2 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 3 | 0 | 1 | 0 | 0 | 1 | 2 | 6 | 7 | 2 | 4 | 3 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 4 | 3 | 3 | 16 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 5 | 0 | 4 | 0 | 17 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 3 | 2 | 4 | 2 | 18 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 3 | 0 | 2 | 2 | 5 | 1 | 4 | 7 | 2 | 0 | 19 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 1 | 1 | 1 | 0 | 2 | 20 | 0 | 0 | 1 | 1 | 0 | 3 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 6 | 4 | 3 | 3 | 2 | 21 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 0 | 22 | 1 | 0 | 0 | 0 | 1 | 3 | 2 | 0 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 3 | 1 | 1 | 1 | 2 | 2 | 4 | 6 | 1 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 2 | 2 | 1 | 0 | 3 | 2 | 2 | 1 | 3 | 1 | 2 | 1 | 1 | 24 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 6 | 6 | 5 | 3 | 0 | 0 | 25 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 3 | 0 | 1 | 0 | 0 | 3 | 2 | 1 | 1 | 2 | 1 | 0 | 0 | 26 | 1 | 0 | 3 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 0 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 0 | 28 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 3 | 2 | 2 | 1 | 30 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | ES | 0 | 0 | 0 | 1 | 1 | 1 | 3 | 3 | 3 | 0 | 0 | 2 | 2 | 1 | 1 | 31 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 2 | 0 | 1 | 3 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 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 | 1 | 0 | 0 | 0 | 0 |Apr 01 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 2 | 0 | 2 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 04 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 05 | 1 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 3 | 0 | 1 | 07 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ES | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 09 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 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 | 0 | 0 | 14 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 1 | 0 | 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 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 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 | 2 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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: 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 -- 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 3 | 3 | 2 | 0 | 2 | 1 | 0 | 0 | 4 |Apr 01 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 3 | 0 | 4 | 3 | 0 | 2 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 02 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 8 | 2 | 3 | 1 | 3 | 2 | 1 | 0 | 1 | 03 | 1 | 3 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 1 | 1 | 1 | 2 | 0 | 1 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 04 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 05 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 2 | 5 | 3 | 1 | 3 | 0 | 06 | 1 | 1 | 2 | 3 | 1 | 2 | 2 | 0 | 1 | 1 | 4 | 5 | 2 | 2 | 11 | 1 | 2 | 0 | 3 | 2 | 6 | 1 | 0 | 2 | 07 | 1 | 2 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 3 | 3 | 1 | 4 | 4 | 1 | 2 | 4 | 0 | 2 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 4 | 4 | 3 | 4 | 0 | 0 | 4 | 2 |??? |??? | 09 | 5 | 4 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 3 | 3 | 0 | 1 | 4 | 9 | 2 | 6 | 3 | 3 | 1 | 4 | 2 | 3 | 2 | 10 | 1 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 5 | 6 | 5 | 3 | 0 | 1 | 1 | 2 | 1 | 0 | 2 | 2 | 0 | 3 | 11 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 6 | 1 | 3 | 3 | 6 | 6 | 5 | 2 | 0 | 3 | 3 | 0 | 0 | 1 | 0 | 12 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 1 | 0 | 1 | 0 | 13 | 0 | 1 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 5 | 1 | 1 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 14 | 3 | 0 | 1 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 1 | 1 | 1 | 15 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 4 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 |??? |??? |??? | 17 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 18 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 19 | 2 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 20 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 21 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | 1 | 22 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 2 | 2 | 1 | 1 | 23 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 1 | 0 | 0 | 1 | 3 | 0 | 24 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 2 | 1 | 2 | 0 | 1 | 0 | 4 | 1 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 26 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 1 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 27 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 28 | 1 | 0 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 29 | 0 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 6 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 1 | 2 | 0 | 1 | 31 | 2 | 5 | 3 | 2 | 1 | 1 | 1 | 1 | 0 | 1 | 4 | 4 | 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 | 1 |Apr 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 02 | 0 | 1 | 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 | 1 |??? |??? | 09 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 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 |??? |??? |??? | 17 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 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 | 1 | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 1 | 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 | 1 | 0 | 0 | 2 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 5 | 1 | 0 | 0 | 1 | 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 : 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 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |Apr 01 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 03 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 2 | 2 | 3 | 2 | 0 | 05 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 3 | 1 | 0 | 0 | 1 | 06 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 0 | 07 | 1 | 1 | 1 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 2 | 2 | 4 | 0 | 08 | 0 | 0 | 0 | 1 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 2 | 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 | 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 | 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 | 1 | 0 | 0 | 05 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 06 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 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 | 1 | 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 | 2 | 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 : Hiroshi Ogawa Location : Tsukuba, Ibaraki, Japan (36.04 N, 140.05 E) Frequency: 89.4 MHz (Mode:USB) Antenna : AF-4 (4el.) horizon, dir: south-west Receiver: R820T2 & SDR + TCXO Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using MROview (by K. Arita) and HROreport (by M. 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 10 | 21 | 8 | NS | 18 | 17 | 16 | 16 | 8 |Apr 01 | 7 | 9 | 11 | 11 | 14 | 9 | 7 | 7 | 9 | 5 | 4 | 11 | 6 | 9 | 10 | 11 | 14 | NS | 16 | 15 | 13 | 8 | 9 | 11 | 02 | 9 | 15 | 16 | 11 | 13 | 9 | 8 | 9 | 3 | 8 | 7 | 9 | 5 | 6 | 8 | 18 | 17 | 10 | 21 | 14 | 12 | 10 | 10 | 8 | 03 | 11 | 9 | 16 | 14 | 16 | 10 | 15 | 13 | 7 | 12 | 7 | 10 | 8 | 8 | 7 | 6 | 11 | 18 | 24 | 17 | 11 | 18 | 16 | 14 | 04 | 15 | 15 | 23 | 16 | 13 | 12 | 5 | 7 | 4 | 3 | 4 | 9 | 3 | 6 | 7 | 14 | 11 | 16 | 23 | 27 | 20 | 16 | 17 | 22 | 05 | 23 | 30 | 22 | 15 | 15 | 9 | 11 | 11 | ES | ES | ES | ES | 6 | 11 | 12 | 11 | 9 | 14 | 29 | 22 | 18 | 25 | 19 | 23 | 06 | 23 | 27 | 24 | 11 | 12 | 12 | 9 | 10 | 4 | 2 | 6 | 5 | 7 | 7 | 12 | 14 | 12 | 16 | 17 | 25 | 26 | 19 | 14 | 28 | 07 | 24 | 22 | 31 | 19 | 14 | 9 | 13 | 8 | 5 | 11 | 6 | 5 | 9 | 19 | 11 | 14 | 13 | 16 | 15 | 15 | 19 | 14 | 16 | 15 | 08 | 16 | 13 | 6 | 11 | 4 | 6 | 6 | 2 | ES | ES | 3 | 5 | 7 | 7 | 9 | 4 | 5 | 10 | 20 | 20 | 15 | 9 | 11 | 14 | 09 | 9 | 11 | 17 | 14 | 4 | 9 | 12 | 1 | 8 | 5 | 6 | 9 | 9 | 6 | 10 | 5 | 8 | 13 | 13 | 24 | 17 | 18 | 14 | 11 | 10 | 15 | 5 | 12 | 9 | 7 | 9 | 7 | 9 | ES | ES | 10 | 8 | 4 | 5 | 8 | 6 | 7 | 18 | 17 | 19 | 16 | 11 | 10 | 12 | 11 | 9 | 8 | 15 | 9 | 9 | 10 | 10 | 11 | 2 | 5 | 3 | 12 | 1 | 8 | 9 | 10 | 9 | 9 | 22 | 15 | 24 | 10 | 14 | 16 | 12 | 8 | 5 | 11 | 8 | 3 | 6 | 8 | 7 | 5 | 4 | 7 | 8 | 7 | 4 | 4 | 14 | 7 | 19 | 22 | 14 | 15 | 16 | 18 | 12 | 13 | 10 | 16 | 14 | 14 | 16 | 12 | 11 | 8 | 2 | 3 | 4 | 4 | 3 | 9 | 10 | 13 | 13 | 18 | 19 | 22 | 13 | 11 | 12 | 12 | 14 | 17 | 6 | 12 | 14 | 12 | 15 | 15 | 9 | 3 | 7 | 9 | 3 | 10 | 10 | 7 | 13 | 23 | 30 | 22 | 24 | 12 | 24 | 14 | 11 | 15 | 17 | 7 | 8 | 13 | 12 | 9 | 1 | 6 | 6 | 1 | 7 | 11 | 7 | 5 | 12 | 8 | 16 | 15 | 22 | 21 | 14 | 12 | 9 | 7 | 16 | 5 | 9 | 5 | 16 | 12 | 14 | 13 | 8 | 9 | 4 | 8 | 6 | 5 | 9 | 14 | 10 | 14 | 10 | 20 | 17 | 17 | 14 | 5 | 8 | 17 | 7 | 6 | 6 | 10 | 9 | 7 | 14 | 11 | 9 | 7 | 5 | 5 | 5 | 6 | 5 | 7 | 9 | NS | 13 | 15 | 5 | 4 | 9 | 5 | 18 | 9 | 7 | 14 | 6 | 10 | 11 | 10 | 8 | 5 | 10 | 6 | 2 | 10 | 17 | 11 | 7 | 15 | 9 | 17 | 21 | 11 | 10 | 11 | 12 | 19 | 14 | 11 | 7 | 6 | 7 | 8 | 5 | 8 | 13 | 9 | 8 | 5 | 7 | 4 | 8 | 10 | 9 | 14 | 16 | 18 | 11 | 12 | 7 | 9 | 20 | 8 | 11 | 13 | 9 | 9 | 6 | 11 | 15 | 4 | 7 | 12 | 8 | 9 | 7 | 11 | 15 | 9 | 19 | 18 | 24 | 15 | 13 | 12 | 5 | 21 | 10 | 9 | 6 | 15 | 11 | 11 | 12 | 6 | 10 | 2 | 7 | 10 | 4 | 13 | 8 | 12 | 19 | 22 | 10 | 21 | 17 | 11 | 12 | 5 | 22 | 9 | 2 | 10 | 8 | 8 | 7 | 10 | 3 | 11 | 8 | 7 | 7 | 3 | 7 | 15 | 11 | 13 | 9 | 18 | 23 | 18 | 15 | 12 | 11 | 23 | 13 | 10 | 13 | 9 | 10 | 6 | 16 | 8 | 5 | 12 | 13 | ES | 12 | 9 | 9 | 11 | 11 | 8 | 16 | 21 | 17 | 8 | 8 | 8 | 24 | 9 | 6 | 6 | 7 | 6 | 10 | 11 | 6 | 3 | 5 | 9 | 2 | 6 | 7 | 10 | 8 | 8 | 18 | 23 | 22 | 15 | 7 | 12 | 7 | 25 | 6 | 9 | 10 | 14 | 5 | 6 | 10 | 13 | 9 | 10 | 4 | 14 | 6 | 7 | 16 | 19 | 18 | 12 | 17 | 21 | 18 | 10 | 13 | 11 | 26 | 10 | 9 | 12 | 8 | 10 | 11 | 10 | 12 | 10 | 13 | 7 | 6 | 10 | 5 | 8 | 5 | 9 | 11 | 13 | 20 | 13 | 11 | 9 | 11 | 27 | 11 | 13 | 5 | 6 | 8 | 6 | 11 | 7 | 11 | 5 | 5 | 8 | 17 | 12 | 19 | 5 | 14 | 11 | 17 | 15 | 10 | 15 | 16 | 16 | 28 | 11 | 11 | 10 | 11 | 11 | 9 | 12 | 10 | 6 | 6 | 3 | 5 | 3 | 4 | 12 | 9 | NS | 11 | 11 | 15 | 11 | 7 | 11 | 6 | 29 | ES | ES | ES | 5 | 4 | 8 | 8 | 8 | 6 | ES | ES | 13 | 9 | 10 | 9 | 10 | 19 | 14 | 18 | 22 | 16 | 6 | 6 | 7 | 30 | ES | ES | ES | IF | IF | IF | IF | ES | ES | ES | 3 | 5 | 9 | 7 | 10 | 5 | 13 | 14 | 24 | 14 | 21 | 14 | 12 | 16 | 31 | 7 | 9 | 9 | 5 | 7 | 3 | 13 | 12 | 7 | 6 | 7 | 5 | 6 | 7 | 5 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 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 | NS | 1 | 2 | 0 | 0 | 0 |Apr 01 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 1 | 1 | 02 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 03 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 2 | 1 | 2 | 04 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 2 | 1 | 2 | 05 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | ES | ES | ES | ES | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 3 | 0 | 2 | 06 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 2 | 6 | 0 | 4 | 07 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ES | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 09 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 2 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ES | ES | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 12 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 0 | 0 | 13 | 1 | 0 | 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 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 17 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | NS | 0 | 1 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ES | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 25 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 28 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | NS | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 29 | ES | ES | ES | 0 | 0 | 0 | 0 | 0 | 0 | ES | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | ES | ES | ES | IF | IF | IF | IF | ES | ES | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 31 | 0 | 1 | 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 Frequency: 92.5 MHz (Mode:USB) Antenna : AF-4 (4el.) horizon, dir: west Receiver: R820T2 & SDR + TCXO Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using MROview (by K. Arita) and HROreport (by M. 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 17 | 32 | 26 | 31 | 22 | 25 | 18 | 17 | 19 |Apr 01 | 9 | 14 | 14 | 12 | 19 | 12 | 6 | 7 | 8 | 4 | 5 | 10 | 14 | 12 | 20 | 21 | 32 | 25 | 38 | 33 | 20 | 13 | 17 | 13 | 02 | 11 | 23 | 15 | 13 | 11 | 12 | 12 | 10 | 3 | 7 | 5 | 11 | 10 | 10 | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | 03 | 23 | 17 | 30 | 22 | 13 | 12 | 15 | 13 | 5 | 7 | 10 | 8 | 10 | 17 | 25 | 26 | 33 | 39 | 38 | 43 | 29 | 29 | 27 | 23 | 04 | 21 | 41 | 37 | 22 | 15 | 12 | 5 | 9 | 3 | 3 | 9 | 10 | 15 | 21 | 26 | 38 | 30 | 30 | 43 | 46 | 44 | 26 | 35 | 35 | 05 | 39 | 48 | 35 | 19 | 16 | 12 | 11 | 15 | IF | ES | ES | ES | 8 | 17 | 17 | 29 | 26 | 25 | 34 | 38 | 38 | 33 | 38 | 33 | 06 | 34 | 43 | 24 | 15 | 11 | 17 | 9 | 9 | 8 | 5 | 10 | 10 | 13 | 18 | 22 | 24 | 24 | 30 | 37 | 43 | 44 | 37 | 24 | 40 | 07 | 29 | 29 | 30 | 24 | 20 | 13 | 9 | 11 | 3 | 11 | 9 | 6 | 5 | 20 | 13 | 28 | 32 | 30 | 21 | 33 | 28 | 15 | 21 | 26 | 08 | 25 | 25 | 13 | 23 | 11 | 15 | 10 | 5 | ES | ES | 5 | 6 | 11 | 19 | 19 | 17 | 23 | 30 | 35 | 31 | 23 | 19 | 18 | 17 | 09 | 15 | 22 | 18 | IF | 7 | IF | 7 | 3 | 7 | 5 | 5 | 11 | 8 | 5 | 8 | 16 | 17 | 22 | 18 | 31 | 31 | 22 | 21 | 19 | 10 | 16 | 9 | 17 | 12 | 11 | 12 | 10 | 10 | ES | ES | 10 | 4 | 8 | 10 | 12 | 17 | 27 | 27 | 27 | 28 | 27 | 12 | 17 | 13 | 11 | 12 | 22 | 21 | 12 | 12 | 14 | 12 | 9 | 4 | 5 | 2 | 13 | 6 | 11 | 15 | 21 | 19 | 25 | 38 | 30 | 29 | 18 | 11 | 20 | 12 | 16 | 14 | 22 | 18 | 10 | 11 | 14 | 4 | 3 | 4 | 6 | 10 | 10 | 9 | 19 | 16 | 19 | 22 | 33 | 26 | 17 | 29 | 17 | 25 | 13 | 12 | 27 | 21 | 20 | 14 | 15 | 13 | 2 | 4 | 3 | 8 | NS | NS | NS | 10 | 21 | 29 | 27 | 31 | 27 | 33 | 29 | 22 | 11 | 14 | 18 | 11 | 7 | 18 | 16 | 13 | 18 | 12 | 4 | 5 | 8 | 5 | 23 | 18 | 18 | 17 | 26 | 39 | 35 | 35 | 25 |??? | 16 | 17 | 15 | 19 | 15 | 16 | 16 | 17 | 17 | 6 | 9 | 5 | 3 | 8 | 14 | 10 | 9 | 19 | 33 | 25 | 29 | 36 | 35 | 27 | 16 | 7 | 14 | 16 | 7 | 14 | 7 | 16 | 15 | 9 | 11 | 10 | 6 | IF | 9 | 8 | 9 | 9 | 29 | 29 | 34 | 36 | 37 | 29 | 21 | 18 | 18 | 19 | 17 | 19 | 18 | 17 | 18 | 13 | 11 | 13 | 14 | 10 | 11 | 5 | 11 | 7 | 16 | 13 | 17 | 22 | 15 | 24 | 22 | NS | NS | 14 | 14 | 18 | 16 | 23 | 13 | 13 | 25 | 19 | 13 | 9 | 4 | 8 | 10 | 4 | 9 | 19 | 12 | 13 | 17 | 18 | 35 | 30 | 14 | 13 | 11 | 18 | 19 | 16 | 10 | 12 | 9 | 12 | 14 | 3 | 9 | 15 | 9 | 7 | 8 | 10 | 11 | 27 | 23 | 26 | 34 | 34 | 38 | 25 | 24 | 19 | 10 | 20 | 10 | 13 | 21 | 19 | 12 | 11 | IF | 14 | 6 | 4 | 12 | 10 | 17 | 18 | 28 | 34 | 27 | 29 | 33 | 36 | 18 | 21 | 12 | 7 | 21 | 12 | 13 | 16 | 19 | 12 | 14 | 11 | 7 | 11 | 4 | 9 | 14 | 16 | 24 | 22 | 24 | 37 | 32 | 25 | 36 | 20 | IF | 18 | 13 | 22 | 24 | 13 | 19 | IF | 10 | 16 | 16 | 7 | 12 | 6 | 7 | 10 | 8 | 15 | 34 | 30 | 33 | 21 | 28 | 43 | 31 | 31 | 21 | 19 | 23 | 19 | 19 | 22 | 18 | 17 | 20 | 16 | 11 | 8 | 14 | 16 | 18 | 20 | 16 | 24 | 31 | 34 | 38 | 25 | 35 | 26 | 14 | 13 | 15 | 24 | 16 | 15 | 14 | 13 | 19 | 23 | 11 | 14 | 6 | 5 | 10 | 8 | 15 | 23 | 26 | 26 | 28 | 46 | 39 | 35 | 30 | 15 | 22 | 15 | 25 | 9 | 22 | 13 | 18 | IF | 13 | 14 | 15 | 14 | 13 | 9 | 11 | 10 | 14 | 23 | 34 | 29 | 35 | 32 | 38 | 30 | 16 | 10 | 19 | 26 | 17 | 5 | 11 | 15 | 12 | 20 | 16 | 17 | 12 | 9 | 8 | 5 | 17 | 10 | 25 | 20 | 33 | 36 | 31 | 38 | 39 | 14 | 19 | 13 | 27 | 12 | 19 | 20 | 17 | 16 | 15 | 8 | 14 | 16 | 11 | 5 | 13 | 20 | 17 | 28 | 23 | 25 | 25 | 29 | 22 | 28 | 19 | 16 | 12 | 28 | 14 | 12 | 10 | 17 | 14 | 14 | 14 | 10 | 9 | NS | ES | NS | NS | 21 | 12 | 17 | 23 | 27 | 24 | 29 | 25 | 13 | IF | IF | 29 | IF | ES | ES | IF | 4 | 12 | 14 | 13 | 8 | ES | ES | 17 | 16 | 17 | 15 | 18 | 29 | 32 | 21 | 30 | 14 | 11 | NS | 12 | 30 | ES | IF | IF | IF | IF | IF | IF | IF | ES | ES | 3 | 6 | 12 | 5 | 11 | 10 | 18 | 23 | 26 | 18 | 21 | 18 | 18 | 24 | 31 | 18 | IF | 20 | 12 | IF | 9 | 12 | 15 | 10 | 2 | 7 | 10 | 18 | 15 | 16 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 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 | 2 | 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 | 1 | 1 | 02 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | NS | NS | 03 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 4 | 2 | 1 | 04 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 3 | 2 | 1 | 7 | 05 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | IF | ES | ES | ES | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 1 | 2 | 2 | 06 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 3 | 8 | 1 | 2 | 07 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 1 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ES | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 09 | 1 | 0 | 1 | IF | 0 | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 3 | 10 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ES | ES | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 12 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 0 | 1 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 14 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 16 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 17 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | NS | NS | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | IF | 0 | 0 | 22 | 0 | 0 | 0 | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 23 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 24 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 25 | 0 | 1 | 0 | 0 | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 26 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | ES | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | IF | IF | 29 | IF | ES | ES | IF | 0 | 0 | 0 | 0 | 0 | ES | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 30 | ES | IF | IF | IF | IF | IF | IF | IF | ES | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 31 | 0 | IF | 0 | 0 | IF | 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 2023.06.04