Radio Meteor Observation in Japan No.244 February 2022 - English : https://www.iprmo.org - Japanese: https://www.amro-net.jp ----------------------------------------------------------------------------- Observer : Kenji Fujito Location : Yokkaichi, Mie, Japan (34.96 N, 136.61 E) Frequency: 53.755 MHz Transmitter Location: Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Antenna : 2el. Comet HB9CV, zenith Receiver: ITEC HRO-RX1a Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 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 | 13 13 12 16 14 13 13 8 12 14 4 10 5 6 0 2 1 1 0 3 3 2 7 0 02 | 6 1 3 13 13 13 7 11 12 8 6 1 0 0 3 0 0 2 1 0 3 4 3 7 03 | 12 10 19 13 19 11 9 6 3 14 4 7 5 1 2 0 2 0 3 4 1 6 6 9 04 | 13 12 13 14 16 6 13 7 15 11 9 7 4 1 3 1 1 2 1 1 2 6 4 6 05 | 2 9 7 9 8 7 1 5 3 6 5 1 1 3 1 1 1 0 1 3 3 6 6 4 06 | 10 8 11 6 10 4 9 13 5 5 7 10 1 2 3 5 2 4 7 2 4 1 6 9 07 | 9 12 14 13 13 12 16 8 15 11 9 3 5 1 3 3 3 7 5 6 7 4 5 8 08 | 8 11 20 10 12 12 16 12 10 14 11 10 6 2 2 1 2 3 0 5 5 4 6 5 09 | 6 7 13 9 10 18 5 7 12 4 3 3 2 5 2 1 2 0 4 4 3 5 5 8 10 | 8 13 7 20 15 12 11 13 6 10 13 6 14 7 8 4 3 2 1 2 5 9 11 10 11 | 13 10 11 10 13 6 12 13 13 10 6 0 1 1 %4 %2 2 1 2 2 8 10 6 12 12 | 8 15 4 13 13 8 19 13 12 14 9 1 8 9 3 1 1 5 3 7 3 7 4 14 13 | 15 11 11 12 9 13 6 13 13 7 8 8 5 4 2 2 6 3 1 0 2 8 10 8 14 | 10 14 11 17 18 8 16 13 9 16 11 13 6 2 1 1 1 2 1 4 4 6 9 12 15 | 13 13 15 13 16 17 17 11 11 9 9 9 7 5 2 0 2 0 1 3 5 6 8 11 16 | 11 7 14 11 11 11 10 5 11 2 3 1 1 1 4 1 1 2 1 4 7 6 5 9 17 | 10 17 16 11 9 21 24 8 11 7 6 7 5 2 4 1 3 2 1 1 3 8 5 7 18 | 8 10 16 20 19 17 10 11 8 21 2 8 3 2 2 1 2 2 2 1 7 9 8 8 19 | 11 11 27 12 18 17 8 11 15 8 14 6 9 8 5 6 9 5 5 2 6 2 7 6 20 | 11 12 7 10 18 8 17 11 6 17 5 4 11 9 3 0 0 3 1 4 7 2 7 7 21 | 12 16 17 13 15 16 11 14 12 13 12 9 13 13 5 1 0 1 0 2 7 6 9 3 22 | 2 4 4 4 1 6 8 8 8 10 2 3 3 4 4 4 2 2 3 2 3 11 7 7 23 | 9 4 12 15 12 8 7 7 13 13 1 3 9 5 5 1 3 3 2 4 1 4 3 10 24 | 9 13 7 17 11 9 8 16 6 7 4 6 3 3 5 2 3 2 1 0 3 1 5 6 25 | 5 19 10 12 10 14 18 15 12 12 10 3 6 8 3 7 2 3 2 0 5 8 9 10 26 | 19 21 15 11 22 15 18 18 5 9 6 4 2 6 2 2 2 0 1 4 3 9 7 4 27 | 11 13 17 19 8 16 19 9 5 8 5 2 2 0 2 4 1 1 1 3 5 8 10 9 28 | 16 17 27 17 16 10 19 19 10 2 7 2 4 2 1 4 0 1 1 2 4 3 9 8 ---+------------------------------------------------------------------------ Feb| 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 Feb| 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 | 05 | 06 | 1 07 | 1 08 | 1 1 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 1 18 | 1 19 | 20 | 21 | 1 22 | 23 | 24 | 1 25 | 1 1 26 | 27 | 28 | ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer : Tuboi Observatory[TSUBOI MASAKI] Location : Asakitaku,Hiroshimashi,JAPAN (34.45 N, 132.50 E) Frequency: 112.9 MHz Transmitter Location: Kushimoto-VOR at (128.8 E, 32.7 N) VOR Beacon for Air-flight (200W 30Hz AM, 115.800 MHz) Antenna : 3el. Yagi Az:120deg. horizon Receiver: R820T2-SDR+TCXO SDRRadio Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 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 | -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- %2 3 -- -- -- 03 | -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 04 | -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- %0 05 | %7 9 2 6 7 6 8 13 6 %4 -- -- -- -- -- -- -- -- -- %1 0 %2 2 3 06 | 3 4 2 4 5 3 3 6 5 8 8 8 3 3 5 5 5 2 3 3 %3 1 %6 4 07 | 1 5 7 4 6 5 6 7 5 7 10 4 7 4 6 2 5 4 8 3 7 3 6 4 08 | 1 6 7 5 3 8 2 9 15 6 8 6 4 5 5 3 6 3 4 5 3 10 1 3 09 | 1 3 4 2 3 5 3 5 4 4 6 2 6 3 3 4 4 0 2 4 1 5 2 5 10 | 6 3 3 5 3 3 2 2 5 7 5 %6 IF %5 3 2 4 3 2 2 3 6 0 5 11 | 1 1 3 2 1 6 6 5 3 5 6 2 5 5 1 6 3 5 2 2 3 0 2 4 12 | 3 1 6 2 1 6 2 6 8 5 8 1 3 %0 IF %2 3 IF %2 2 2 3 4 3 13 | 9 3 8 2 3 1 5 6 10 4 5 5 6 3 2 5 3 %2 1 3 5 1 1 4 14 | 3 4 5 4 2 6 5 4 9 1 1 %8 IF%10 3 2 5 4 3 2 2 5 5 6 15 | 6 5 3 2 6 9 4 12 5 4 5 6 8 8 8 2 5 7 1 5 1 3 3 6 16 | 4 8 4 5 4 2 5 4 7 4 8 5 2 6 0 4 4 3 1 5 5 2 5 2 17 | 5 5 5 7 5 2 5 9 7 5 4%12 7 3 4 3 6 8 1 4 4 1 3 3 18 | 4 6 6 5 0 7 8 5 4 10 3 %8 2 IF IF IF 6 2 5 3 2 5 3 7 19 | 1 3 2 4 1 3 8 7 8 3 7 8 7 5 4 2 3 4 2 1 6 4 1 4 20 | 1 4 8 6 3 6 4 5 1 %6 IF IF IF 3 3 3 3 1 0 0 2 2 3 5 21 | 2 4 3 7 9 1 7 14 4 4 9 4 3 IF IF %0 2 5 3 0 2 2 2 2 22 | 5 1 5 3 10 6 2 6 6 5 3 6 6 6 2 2 1 3 3 6 5 2 4 4 23 | 4 5 1 2 1 2 8 3 4 4 10 1 %2 IF 4 6 4 7 4 2 7 5 3 2 24 | 2 3 4 5 3 3 2 5 8 7 4 5 4 3 5 5 3 2 2 3 2 2 8 5 25 | 2 4 7 4 1 2 8 4 1 4 4 0 3 %0 IF %3 3 4 %0 IF %0 1 4 3 26 | 5 3 6 3 1 2 7 4 %4 3 3 5 0 3 4 6 6 2 4 2 0 3 4 4 27 | 4 6 5 4 5 6 5 2 2 5 4 %5 1 4 IF %2 2 1 0 %0 IF %3 2 6 28 | 1 2 5 3 2 4 6 4 4 4 7 5 4 0 2 1 3 3 0 2 3 IF %2 %4 ---+------------------------------------------------------------------------ Feb| 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 Feb| 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 | 05 | 06 | 1 1 07 | 1 08 | 09 | 1 1 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Frequency: 92.8 MHz Transmitter Location: FM-broadcast at Kagoshima, Japan Antenna : 5el-Yagi Az90deg Receiver: R820T2-SDR+TCXO SDRRadio Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 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 6 6 10 15 6 7 17 12 19 18 18 16 %8 12 5 4 3 3 5 2 9 7 11 02 | 6 9 17 22 13 30 11 9 22 21 14%10%17 6 11 8 5 2 4 6 5 4 4 3 03 | 9 9 13 25 16 15 13 7 8 8 10 %8 IF IF IF 4 5 6 4 6 3 3 2 10 04 | 9 10 15 10 10 13 9 5 9 11 9%15%14 IF IF %2 2 6 1 3 7 4 4 3 05 | 11 17 19 18 18 14 6 12 9 13 16 15 IF%10 IF 9 7 3 3 1 4 6 4 3 06 | 5 11 14 13 17 21 9 12 14 12 8 IF 7 10 IF %5 7 2 4 5 3 4 6 6 07 | 11 19 17 10 21 17 7 10 15 22 15 IF IF 10 7 4 4 1 5 4 4 4 3 10 08 | 8 12 15 20 22 14 10 10 9 9 11%14 16 6 5 7 9 5 3 8 3 4 6 1 09 | 3 7 5 13 10 7 6 13 14%16 9 IF IF IF IF %8 4 6 4 3 2 10 4 2 10 | 12 14 9 24 18 19 11 14 15 19 13 14 IF%13 9 2 4 2 3 2 6 3 0 5 11 | 4 7 10 6 15 3 10 7 8 12%12 IF %5 14 IF 7 3 4 2 2 1 2 5 3 12 | 6 11 11 13 9 10 10 8 12 12%12 IF IF IF IF IF IF IF IF IF IF IF IF IF 13 | %8 17 15 12 19 15 19 17 14 14 8 15 16 10 15 8 3 1 9 5 5 3 8 8 14 | 12 8 11 12 28 21 11 7 12 15 8 IF IF%16 IF %2 7 3 5 4 4 6 8 8 15 | 9 15 15 23 15 19 12 16 6 12 11 %8%11 IF IF 8 2 2 3 4 %6 2 6 13 16 | 13 22 8 19 18 15 15 20 12 15%16 IF IF 12%12 5 8 7 2 2 4 5 5 6 17 | 5 10 24 14 19 23 14 18 16 14 14 12 10 IF IF %6 6 6 4 6 8 7 8 13 18 | 11 11 20 23 17 15 14 11 7 21%12 IF IF IF IF IF 5 1 2 3 7 5 4 5 19 | 10 10 15 12 19 12 16 8 11 15 13 14 15 9 3 7 3 5 7 4 3 3 6 9 20 | 7 10 21 21 15 19 11 10 18%24 IF IF IF %9%12 5 1 2 5 4 2 10 8 9 21 | 8 13 20 27 21 16 17 12 3 16 IF IF IF IF IF 8 8 5 6 2 1 4 4 5 22 | 9 8 12 16 14 15 18 12 10 13 IF IF IF IF IF %2 7 0 6 2 2 4 2 5 23 | 7 13 8 7 9 12 11 16 12 7 IF IF IF IF 10 10 0 5 3 6 1 2 4 4 24 | 3 13 15 15 18 16 9 18 12 16%20 %8%14 IF%11 12 7 4 5 5 6 5 3 6 25 | 6 12 14 15 6 7 2 8 7 10 %8 IF IF IF IF %0 7 4 1 1 2 6 1 7 26 | 7 7 13 13 18 13 13 8%14%10 IF IF IF IF IF IF %8 5 2 5 4 0 5 4 27 | 5 17 10 18 11 13 13 6%12 IF IF IF IF IF IF %8 3 4 3 2 3 2 3 4 28 | 3 5 15 9 7 12 6 12 6 IF IF IF IF IF IF %8 7 1 4 8 7 2 6 4 ---+------------------------------------------------------------------------ Feb| 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 Feb| 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 1 02 | 1 1 03 | 04 | 1 1 05 | 2 1 1 1 06 | 1 07 | 1 2 1 1 08 | 09 | 1 1 1 1 10 | 1 1 1 11 | 1 1 12 | 13 | 1 1 1 14 | 1 1 15 | 16 | 1 17 | 1 1 18 | 1 1 19 | 1 20 | 21 | 2 1 1 22 | 1 23 | 24 | 25 | 26 | 1 27 | 1 28 | 1 1 ---+------------------------------------------------------------------------ Feb| 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 -- Feb| 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 4 3 5 10 7 8 4 %9 4 %5 4 3 2 2 0 0 1 0 0 1 2 2 4 02 | 0 5 2 4 3 4 1 6 6 2 4 4 5 2 2 1 1 0 0 0 1 5 0 2 03 | 4 4 3 3 3 2 7 2 3 3 3 3 3 1 0 1 1 0 1 1 2 1 2 3 04 | 2 5 3 5 4 3 1 3 3 7 4 5 2 1 9 0 0 1 2 2 2 2 3 2 05 | 2 2 2 5 4 3 3 3 4 5 5 1 2 5 1 0 1 3 1 1 0 4 3 4 06 | 2 3 2 2 2 2 4 1 1 3 4 2 1 2 2 3 3 0 1 1 3 7 3 3 07 | 2 2 4 3 2 4 2 3 6 4 3 4 0 3 1 2 0 2 0 1 2 5 1 7 08 | 2 1 3 1 3 4 6 5 7 7 1 1 4 2 3 0 1 1 0 0 2 2 3 4 09 | 2 1 2 3 0 4 3 4 3 3 0 3 6 2 3 1 1 0 0 1 0 2 0 3 10 | 2 4 3 2 4 0 9 2 2 3 5 1 5 2 0 1 0 1 1 2 1 2 2 4 11 | 4 7 3 1 1 4 4 2 1 4 3 2 7 1 3 3 0 0 0 0 2 5 0 1 12 | 2 3 2 1 2 3 2 5 8 6 2 6 5 0 1 0 1 1 0 2 0 3 3 1 13 | 4 5 5 1 2 1 0 4 2 3 2 2 2 0 3 1 0 0 0 1 0 2 0 4 14 | 2 2 3 6 4 1 3 1 5 2 6 4 3 2 0 0 0 1 3 1 1 2 2 0 15 | 7 1 2 3 3 3 5 1 4 2 5 0 1 4 -- -- -- -- -- -- -- -- -- -- 16 | -- -- -- -- -- -- -- -- -- -- %2 8 4 4 3 0 2 2 1 2 1 1 7 2 17 | 3 4 7 6 5 7 8 13 10 9 1 2 4 6 3 4 1 4 1 0 5 3 6 2 18 | 6 3 4 6 4 9 3 3 7 9 3 3 6 4 2 2 0 0 2 0 1 2 3 1 19 | 4 3 4 1 6 5 6 0 2 7 4 5 4 6 0 1 0 0 5 2 3 5 2 7 20 | 4 1 6 7 5 4 5 3 3 3 5 3 1 5 2 2 2 3 1 1 2 6 2 5 21 | 7 7 2 3 5 5 6 6 5 6 2 3 2 4 1 1 2 2 0 5 1 1 6 3 22 | 3 8 6 2 3 4 2 2 5 3 2 3 4 5 2 2 1 1 1 2 2 6 0 3 23 | 6 5 8 3 0 2 1 5 8 8 4 5 9 3 4 2 0 0 1 3 3 2 8 4 24 | 4 4 4 5 6 2 3 3 4 4 4 10 6 2 1 3 2 0 1 0 1 4 3 3 25 | 2 5 5 3 3 2 8 6 4 5 3 2 7 4 %2 1 1 1 1 1 3 3 2 3 26 | 8 1 4 9 9 6 4 3 6 3 6 11 6 3 1 3 3 1 3 6 2 4 4 8 27 | 6 3 4 2 5 5 5 5 7 4 7 8 4 3 2 2 2 2 1 0 3 1 0 7 28 | 6 3 7 7 4 5 6 7 6 7 4 8 7 3 -- -- -- -- -- -- -- -- -- -- ---+------------------------------------------------------------------------ Feb| 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 Feb| 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 1 02 | 03 | 04 | 1 05 | 1 1 06 | 1 07 | 1 1 1 08 | 1 1 09 | 10 | 1 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 1 1 22 | 23 | 24 | 25 | 1 26 | 1 27 | 28 | 1 1 ---+------------------------------------------------------------------------ Feb| 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: 115.800 MHz Transmitter Location: Fukue-VOR at Goto city (128.8 E, 32.7 N) VOR Beacon for Air-flight (200W 30Hz AM, 115.800 MHz) Antenna : 5el-Yagi Horizon Receiver: RTL-SDR(R820T) Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 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 6 14 8 10 10 12 7 7 6 7 5 3 3 2 4 1 3 7 8 11 6 8 02 | 7 7 9 6 9 10 6 8 8 5 9 2 1 7 0 6 1 1 4 2 7 13 12 11 03 | 5 2 12 7 14 10 8 9 12 11 13 6 2 4 4 5 4 3 6 4 5 7 8 11 04 | 6 6 6 10 8 7 12 8 9 14 11 8 5 8 3 4 3 6 4 2 11 5 16 12 05 | 6 9 11 13 8 8 4 7 9 8 10 13 12 5 7 4 1 2 3 4 13 5 7 6 06 | 8 6 7 5 7 6 9 11 7 11 8 7 7 3 7 8 3 2 4 8 5 8 11 10 07 | 6 12 10 13 5 7 11 9 14 10 8 4 3 4 3 7 2 5 5 6 4 6 13 8 08 | 8 7 9 13 11 10 6 13 4 12 12 7 6 5 5 6 1 5 0 4 5 7 5 7 09 | 10 10 5 7 13 10 11 10 14 11 11 5 6 6 2 1 3 4 5 6 5 8 9 11 10 | 15 8 6 6 8 14 9 8 16 12 13 6 7 5 10 3 2 2 2 2 4 7 6 13 11 | 10 6 8 6 6 10 9 13 14 6 6 4 3 7 6 2 4 5 4 3 4 8 8 9 12 | 7 5 8 8 8 5 8 11 9 4 6 11 8 7 2 4 1 4 1 4 3 4 6 7 13 | 7 2 5 5 3 4 2 4 5 2 2 2 1 1 3 1 2 0 1 2 2 2 5 4 14 | 6 4 4 3 5 0 8 3 9 10 5 4 4 3 7 0 2 2 2 2 4 2 4 3 15 | 3 2 5 7 4 5 3 5 5 0 3 2 3 5 5 2 2 1 1 3 8 6 4 4 16 | 7 8 6 5 5 5 9 12 10 11 5 7 2 0 2 2 1 1 4 6 13 5 7 1 17 | 3 4 3 2 1 1 4 2 7 8 11 7 4 0 4 2 2 1 2 5 6 6 8 8 18 | 5 4 5 1 4 7 8 3 7 8 4 2 3 0 2 2 2 3 3 1 6 4 3 4 19 | 11 8 6 9 10 9 6 14 12 6 14 9 8 4 3 9 1 2 4 4 2 8 2 6 20 | 9 10 10 19 6 9 11 13 4 6 11 5 7 4 6 8 1 4 2 4 4 6 5 6 21 | 6 12 7 12 10 11 11 8 13 15 11 5 5 6 3 1 0 2 3 4 3 9 4 7 22 | 9 6 10 8 7 7 9 11 17 9 6 11 8 8 3 5 6 3 3 3 4 5 9 5 23 | 8 7 9 13 6 9 12 10 16 16 10 7 3 6 3 3 2 2 4 3 11 4 7 8 24 | 9 8 5 13 11 9 15 9 12 14 10 8 4 3 2 1 2 1 2 4 8 10 5 12 25 | 12 7 6 8 13 10 9 5 13 5 7 3 6 3 2 0 3 2 3 4 4 8 7 8 26 | 10 7 13 8 6 9 7 7 10 9 6 7 9 7 6 2 2 3 3 5 4 7 6 15 27 | 7 4 13 4 10 10 11 8 13 8 7 4 0 1 2 2 0 2 3 4 2 4 7 11 28 | 11 7 5 7 5 3 11 9 16 9 8 5 7 11 2 5 3 1 3 %2 2 4 11 5 ---+------------------------------------------------------------------------ Feb| 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 Feb| 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 1 1 04 | 1 1 1 1 05 | 1 06 | 1 1 1 1 1 07 | 1 1 1 08 | 09 | 10 | 11 | 1 1 12 | 1 13 | 14 | 1 15 | 16 | 17 | 18 | 1 19 | 1 20 | 21 | 1 1 22 | 23 | 1 1 24 | 1 1 25 | 26 | 27 | 28 | 1 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer: Hironbu Shida Location: Akita, Akita, Japan (140.1 E, 39.4 N) Frequency: 53.755 MHz Transmitter Location:@ Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Antenna : HB062FDX Receiver : AITEC MRX-50 Method : by using MROFFT software (by Michinari Yamamoto) manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 1 | 0 |Jan 01 | 4 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 1 | 1 | 02 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 2 | 2 | 1 | 0 | 0 | 2 | 2 | 0 | 03 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 3 | 0 | 0 | 0 | 4 | 0 | 0 | 1 | 1 | 0 | 04 | 0 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 1 | 05 | 1 | 2 | 1 | 2 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 2 | 1 | 4 | 3 | 3 | 6 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 3 | 0 | 1 | 2 | 1 | 2 | 07 | 3 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 1 | 0 | 0 | 2 | 08 | 0 | 5 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 3 | 1 | 1 | 1 | 4 | 1 | 2 | 3 | 3 | 09 | 5 | 6 | 2 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 10 | 5 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 3 | 0 | 4 | 3 | 3 | 3 | 12 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 1 | 1 | 2 | 1 | 2 | 13 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 1 | 0 | 1 | 6 | 1 | 14 | 2 | 4 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 2 | 3 | 0 | 1 | 1 | 0 | 0 | 2 | 1 | 15 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 16 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 17 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 1 | 1 | 1 | 1 | 0 | 1 | 18 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 0 | 0 | 3 | 0 | 19 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 20 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 21 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 1 | 22 | 3 | 1 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 1 | 0 | 0 | 0 | 24 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 3 | 2 | 1 | 0 | 0 | 25 | 5 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 0 | 0 | 26 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 2 | 3 | 27 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 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 Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Jan 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 2 | 0 | 0 | 1 | 22 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 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 -- Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 2 | 9 | 4 | 6 | 6 | 7 | 7 | 7 | 4 |Jan 01 | 1 | 2 | 1 | 0 | 2 | 3 | 3 | 1 | 2 | 1 | 1 | 2 | 2 | 1 | 1 | 2 | 1 | 6 | 9 | 8 | 4 | 5 | 9 | 9 | 02 | 5 | 3 | 6 | 2 | 2 | 3 | 2 | 0 | 0 | 2 | 1 | 3 | 2 | 2 | 4 | 1 | 3 | 7 | 4 | 5 | 5 | 5 | 4 | 7 | 03 | 9 | 4 | 7 | 2 | 2 | 1 | 1 | 0 | 2 | 0 | 0 | 1 | 2 | 1 | 4 | 1 | 3 | 9 | 7 | 2 | 12 | 6 | 4 | 7 | 04 | 9 | 4 | 3 | 4 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 4 | 2 | 5 | 5 | 3 | 5 | 8 | 4 | 7 | 6 | 10 | 05 | 4 | 10 | 3 | 4 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 5 | 1 | 2 | 7 | 2 | 9 | 7 | 8 | 9 |??? |??? |??? | 06 |??? |??? |??? |??? |??? |??? |??? |??? | 2 | 3 | 1 | 1 | 3 | 1 | 3 | 2 | 3 | 2 | 2 | 6 | 1 | 5 | 5 | 9 | 07 | 3 | 4 | 3 | 1 | 3 | 0 | 3 | 4 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 7 | 5 | 8 | 3 | 8 | 8 | 11 | 6 | 6 | 08 | 2 | 2 | 6 | 3 | 1 | 1 | 2 | 0 | 2 | 1 | 2 | 1 | 1 | 4 | 5 | 5 | 4 | 6 | 4 | 11 | 4 | 8 | 6 | 5 | 09 | 3 | 1 | 3 | 1 | 3 | 0 | 0 | 2 | 1 | 0 | 3 | 0 | 1 | 0 | 1 | 2 | 5 | 2 | 6 | 4 | 6 | 6 | 6 | 6 | 10 | 7 | 4 | 7 | 5 | 1 | 2 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 5 | 6 | 7 | 6 | 3 | 7 | 2 | 8 | 8 | 11 | 9 | 7 | 5 | 6 | 3 | 0 | 4 | 2 | 2 | 2 | 2 | 0 | 4 | 4 | 3 | 2 | 2 | 3 | 5 | 5 | 6 | 5 | 10 | 7 | 12 | 7 | 3 | 4 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 2 | 5 | 4 | 2 | 7 | 4 | 4 | 6 | 6 | 6 | 13 | 5 | 3 | 8 | 1 | 4 | 0 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 1 | 2 | 7 | 1 | 4 | 4 | 8 | 8 | 3 | 4 | 14 | 6 | 7 | 4 | 3 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 3 | 2 | 0 | 6 | 8 | 3 | 5 | 4 | 2 | 6 | 9 |??? | 15 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 16 |??? |??? |??? | 3 | 4 | 4 | 0 | 3 | 1 | 0 | 0 | 4 | 1 | 2 | 2 | 2 | 3 | 5 | 6 | 3 | 6 | 7 | 8 | 5 | 17 | 7 | 4 | 3 | 2 | 2 | 1 | 0 | 3 | 1 | 1 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 18 |??? | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 0 | 4 | 1 | 6 | 1 | 8 | 7 | 6 | 10 | 3 | 19 | 6 | 4 | 6 | 1 | 4 | 4 | 1 | 1 | 0 | 1 | 0 | 4 | 2 | 2 | 3 | 2 | 3 | 5 | 4 | 3 | 2 | 2 | 6 | 5 | 20 | 2 | 2 | 1 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 2 | 2 | 3 | 4 | 8 | 4 | 6 | 8 | 10 | 0 | 21 | 2 | 3 | 5 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 5 | 1 | 4 | 2 | 4 | 6 | 5 | 4 | 8 | 7 | 4 | 22 | 2 | 2 | 1 | 3 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 5 | 0 | 1 | 5 | 6 | 4 | 5 | 2 | 2 | 4 | 6 | 3 | 23 | 3 | 2 | 2 | 4 | 2 | 1 | 0 | 0 | 1 | 1 | 2 | 0 | 1 | 1 | 0 | 2 | 6 | 4 | 9 | 6 | 4 | 5 | 4 | 6 | 24 | 1 | 0 | 2 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 1 | 1 | 3 | 4 | 3 | 6 | 5 | 5 | 3 | 9 | 7 | 3 | 3 | 25 | 1 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 3 | 0 | 3 | 12 | 5 | 3 | 3 | 4 | 2 | 26 | 3 | 4 | 3 | 3 | 1 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 2 | 0 | 2 | 5 | 4 | 5 | 3 | 5 | 2 | 6 | 3 | 5 | 27 | 1 | 6 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 2 | 1 | 3 | 3 | 4 | 5 | 4 | 1 | 4 | 28 | 6 | 2 | 3 | 3 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 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 Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |Jan 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 | 1 | 0 | 0 | 1 | 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 |??? |??? |??? | 06 |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 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 | 1 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |??? | 15 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 16 |??? |??? |??? | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 18 |??? | 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 | 1 | 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 | 1 | 0 | 0 | 21 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 28 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 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 -- Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |Jan 01 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 2 | 0 | 0 | 02 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 05 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 06 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 08 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 11 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 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 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 2 | 0 | 14 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 15 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 16 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 2 | 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 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 20 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 3 | 1 | 1 | 25 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 1 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 27 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 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 Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Jan 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 | 1 | 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 | 1 | 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 | 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 | 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 | 1 | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 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 : Ikuhiro Yokoyama Location : Fuchu, Hiroshima, Japan (135.25 E, 34.57 N) Frequency: 89.4 MHz Antenna : FM.V-Low 5el. 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: RTL-SDR Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 1 | 4 | 5 | 9 | 14 | 6 | 8 | 17 | 18 |Jan 01 | 17 | 11 | 16 | 16 | 15 | 8 | 11 | 4 | 3 | 1 | 5 | 5 | 9 | 3 | 3 | 5 | 6 | 7 | 14 | 18 | 17 | 12 | 12 | 16 | 02 | 15 | 18 | 15 | 19 | 10 | 9 | 9 | 3 | 8 | 2 | 12 | 10 | 4 | 9 | 5 | 4 | 9 | 15 | 15 | 11 | 16 | 17 | 15 | 15 | 03 | 12 | 17 | 13 | 27 | 16 | 12 | 8 | 9 | 3 | 2 | 2 | 2 | 0 | 2 | 4 | 1 | 6 | 4 | 12 | 6 | 9 | 8 | 6 | 6 | 04 | 6 | 6 | 4 | 5 | 5 | 7 | 1 | 2 | 4 | 3 | 3 | 2 | 2 | 1 | 5 | 4 | 8 | 10 | 8 | 4 | 6 | 5 | 5 | 3 | 05 | 6 | 4 | 7 | 6 | 9 | 9 | 5 | 4 | 1 | 6 | 3 | 1 | 8 | 3 | 1 | 6 | 3 | 9 | 8 | 9 | 10 | 5 | 14 | 10 | 06 | 7 | 4 | 10 | 8 | 4 | 4 | 5 | 6 | 3 | 3 | 6 | 1 | 4 | 2 | 3 | 2 | 5 | 5 | 9 | 7 | 11 | 8 | 8 | 9 | 07 | 10 | 7 | 7 | 7 | 3 | 6 | 6 | 4 | 3 | 4 | 2 | 7 | 7 | 3 | 6 | 5 | 5 | 6 | 11 | 11 | 12 | 12 | 11 | 8 | 08 | 6 | 4 | 6 | 9 | 12 | 14 | 8 | 5 | 9 | 4 | 4 | 3 | 1 | 1 | 2 | 1 | 6 | 3 | 14 | 7 | 17 | 6 | 12 | 12 | 09 | 8 | 5 | 11 | 13 | 9 | 8 | 13 | 6 | 3 | 3 | 2 | 6 | 3 | 8 | 7 | 3 | 4 | 6 | 9 | 11 | 11 | 6 | 18 | 6 | 10 | 10 | 18 | 9 | 15 | 8 | 3 | 8 | 3 | 2 | 1 | 1 | 4 | 5 | 3 | 3 | 1 | 5 | 11 | 7 | 13 | 17 | 12 | 5 | 6 | 11 | 10 | 12 | 13 | 10 | 19 | 14 | 6 | 6 | 0 | 2 | 1 | 0 |??? | 4 | 4 | 5 | 6 | 6 | 4 | 9 | 4 | 16 | 7 | 10 | 12 | 12 | 9 | 6 | 14 | 18 | 8 | 10 | 4 | 5 | 2 | 2 | 1 | 1 | 5 | 3 | 4 | 5 | 6 | 5 | 13 | 8 | 8 | 11 | 11 | 13 | 9 | 9 | 9 | 9 | 11 | 11 | 5 | 1 | 3 | 4 | 2 | 1 | 2 | 0 | 3 | 2 | 6 | 3 | 10 | 7 | 9 | 6 | 6 | 5 | 14 | 9 | 10 | 10 | 12 | 6 | 6 | 3 | 1 | 1 | 2 | 3 | 2 | 1 | 1 | 0 | 4 | 6 | 12 | 5 | 9 | 8 | 13 | 15 | 12 | 15 | 10 | 10 | 18 | 22 | 10 | 12 | 7 | 5 | 6 | 2 | 6 | 6 | 3 | 6 | 4 | 6 | 6 | 7 | 10 | 11 | 16 | 20 | 5 | 9 | 16 | 8 | 14 | 13 | 15 | 18 | 11 | 8 | 4 | 8 | 6 | 6 | 6 | 4 | 5 | 3 | 4 | 4 | 12 | 10 | 7 | 12 | 11 | 22 | 10 | 17 | 17 | 13 | 17 | 13 | 14 | 11 | 4 | 6 | 4 | 2 | 10 | 7 | 3 | 2 | 5 | 11 | 14 | 8 | 12 | 18 | 15 | 8 | 11 | 17 | 18 | 13 | 17 | 8 | 7 | 10 | 7 | 3 | 0 | 0 | 1 | 0 | 3 | 3 | 3 | 1 | 3 | 5 | 5 | 8 | 4 | 8 | 14 | 6 | 9 | 19 | 6 | 7 | 7 | 6 | 4 | 6 | 8 | 4 | 1 | 2 | 5 | 4 | 3 | 3 | 3 | 3 | 4 | 9 | 10 | 10 | 18 | 13 | 11 | 7 | 20 | 2 | 7 | 7 | 16 | 7 | 6 | 6 | 5 | 1 | 2 | 3 | 5 | 3 | 3 | 7 | 5 | 7 | 4 | 8 | 6 | 12 | 13 | 4 | 8 | 21 | 10 | 3 | 4 | 6 | 8 | 5 | 8 | 2 | 7 | 7 | 3 | 5 | 4 | 2 | 0 | 6 | 6 | 9 | 8 | 12 | 13 | 13 | 12 | 13 | 22 | 7 | 10 | 10 | 5 | 10 | 7 | 8 | 5 | 1 | 1 | 4 | 4 | 6 | 0 | 0 | 2 | 9 | 0 | 9 | 10 | 6 | 14 | 14 | 7 | 23 | 5 | 4 | 4 | 8 | 13 | 6 | 5 | 5 | 4 | 2 | 6 | 0 | 2 | 2 | 2 | 1 | 3 | 9 | 5 | 7 | 11 | 11 | 8 | 10 | 24 | 9 | 8 | 5 | 6 | 6 | 5 | 3 | 1 | 4 | 5 | 1 | 14 | 8 | 6 | 1 | 6 | 7 | 6 | 6 | 7 | 9 | 9 | 10 | 14 | 25 | 6 | 6 | 8 | 13 | 4 | 7 | 9 | 3 | 1 | 2 | 0 | 2 | 1 | 0 | 3 | 2 | 2 | 3 | 4 | 9 | 13 | 13 | 6 | 1 | 26 | 7 | 4 | 8 | 6 | 6 | 4 | 4 | 2 | 2 | 2 | 3 | 3 | 10 | 4 | 3 | 2 | 6 | 7 | 5 | 8 | 5 | 4 | 5 | 6 | 27 | 5 | 15 | 15 | 5 | 12 | 3 | 6 | 2 | 3 | 1 | 0 | 2 | 6 | 5 | 1 | 2 | 2 | 5 | 6 | 3 | 6 | 6 | 6 | 6 | 28 | 8 | 8 | 6 | 12 | 4 | 7 | 2 | 4 | 3 | 0 | 1 | 1 | 2 | 0 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 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 Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Jan 01 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 02 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 06 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 07 | 2 | 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 | 1 | 0 | 1 | 0 | 0 | 0 | 09 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 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 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 16 | 1 | 0 | 0 | 1 | 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 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 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 | 0 | 0 | 0 | 22 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 23 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT note: ???: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer : Hiroshi Ogawa Location : Tsukuba, Ibaraki, Japan (36.04 N, 140.05 E) Frequency: 89.4 MHz (Mode:CW,USB) Antenna : FA2 (2el.) horizon, dir: west Receiver: R820T2 & SDR + TCXO Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 12 | 10 | 11 | 10 | 11 | 12 | 10 | 2 | 10 |Jan 01 | 13 | 6 | 11 | 9 | 9 | 4 | 5 | 7 | 7 | 5 | 4 | 5 | 5 | 3 | 5 | 10 | 2 | 7 | 12 | 19 | 11 | 7 | 7 | 7 | 02 | 9 | 10 | 15 | 11 | 8 | 9 | 3 | 3 | 2 | 9 | 6 | 4 | 6 | 5 | 7 | 13 | 7 | 8 | 9 | 12 | 10 | 8 | 13 | 12 | 03 | 7 | 13 | 11 | 10 | 10 | 8 | 3 | 4 | 5 | 5 | 5 | 5 | 5 | 1 | 4 | 5 | 10 | 12 | 11 | 12 | 10 | 15 | 17 | 12 | 04 | 13 | 17 | 14 | 15 | 11 | 10 | 4 | 2 | 3 | 6 | 2 | 2 | 5 | 5 | 6 | 9 | 9 | 8 | 9 | 16 | 7 | 8 | 4 | 11 | 05 | 9 | 12 | 10 | 5 | 5 | 11 | 6 | 3 | 0 | 6 | 1 | 4 | 9 | 4 | 3 | 5 | 7 | 7 | 12 | 14 | 15 | 15 | 11 | 10 | 06 | 15 | 12 | 12 | 5 | 11 | 5 | 9 | 2 | 6 | 3 | 3 | 5 | 2 | 5 | 2 | 4 | 4 | 10 | 7 | 17 | 5 | 7 | 8 | 8 | 07 | 13 | 11 | 11 | 9 | 9 | 7 | 8 | 6 | 4 | 3 | 4 | 4 | 7 | 3 | 4 | 7 | 8 | 11 | 8 | 7 | 9 | 12 | 8 | 6 | 08 | 12 | 13 | 9 | 8 | 6 | 9 | 4 | 2 | 2 | 2 | 6 | 3 | 1 | 6 | 5 | 4 | 6 | 8 | 9 | 16 | 7 | 4 | IF | 9 | 09 | 10 | 11 | 8 | 10 | 10 | 13 | 7 | 2 | 3 | 1 | 3 | 4 | 1 | 5 | 3 | 7 | 1 | 3 | 8 | 10 | 5 | 3 | 4 | 6 | 10 | 10 | 2 | 3 | 5 | 4 | 8 | 4 | 3 | 3 | 1 | 2 | 3 | 2 | 2 | 2 | 5 | 1 | 1 | 6 | 2 | 7 | 2 | 8 | 0 | 11 | IF | 4 | 7 | 7 | 12 | 2 | 2 | 4 | 3 | 1 | 1 | 5 | 0 | 2 | 5 | 5 | 10 | 7 | 8 | 9 | 5 | 6 | 5 | 11 | 12 | 7 | 9 | 4 | 9 | 5 | 2 | 5 | 5 | 2 | 4 | 3 | 3 | 2 | 2 | 7 | 9 | 8 | 7 | 11 | 11 | 5 | 10 | 10 | 12 | 13 | 15 | 12 | 3 | 7 | 9 | 5 | 3 | 0 | 4 | 8 | 4 | 2 | 0 | 5 | 4 | 5 | NS | IF | IF | 0 | 4 | 6 | 5 | 2 | 14 | 8 | 6 | 10 | 5 | 5 | 5 | 7 | 2 | 2 | 2 | 3 | 2 | 1 | 4 | 3 | 9 | 5 | 7 | 12 | 14 | 10 | 10 | 5 | 11 | 15 | 5 | 10 | 11 | 10 | 9 | 4 | 3 | 3 | 5 | 2 | 2 | 1 | 2 | 5 | 7 | 5 | 4 | 8 | 6 | 10 | 8 | 7 | 6 | 8 | 16 | 3 | 5 | 12 | 6 | 15 | 9 | 2 | 0 | 1 | 3 | 5 | 4 | 5 | 6 | 5 | 4 | 8 | 4 | 7 | 9 | 11 | 9 | 11 | 9 | 17 | 8 | 8 | 9 | 11 | 8 | 7 | 3 | 5 | 5 | 1 | 2 | 2 | 3 | 2 | 5 | 5 | 8 | 13 | 8 | 10 | 13 | 12 | 4 | 8 | 18 | 5 | 7 | 8 | 7 | 12 | 5 | 5 | 1 | 1 | 2 | 2 | 5 | 2 | 2 | 5 | 7 | 7 | 9 | 11 | 5 | 7 | 5 | 2 | 10 | 19 | 3 | 10 | 5 | 1 | 10 | 5 | 3 | 1 | 6 | 6 | 2 | 4 | 3 | 4 | 4 | 6 | 5 | 7 | 6 | 10 | 9 | 7 | 6 | 4 | 20 | 5 | 7 | 8 | 9 | 11 | 4 | 4 | 3 | 0 | 1 | 4 | 6 | 7 | 4 | 9 | 9 | 8 | 9 | 9 | 8 | 10 | 10 | 8 | 10 | 21 | 9 | 4 | 7 | 7 | 7 | 8 | 6 | 2 | 3 | 2 | 5 | 8 | 0 | 8 | 7 | 9 | 10 | 8 | 8 | 5 | 10 | 11 | 7 | 8 | 22 | 7 | 6 | 8 | 10 | 8 | 4 | 9 | 3 | 4 | 2 | 2 | 5 | 3 | 2 | 4 | 9 | 9 | 9 | 10 | 5 | 10 | 12 | IF | 8 | 23 | 9 | 9 | 12 | 13 | 9 | 4 | 3 | 3 | 1 | 2 | 2 | 4 | 2 | 3 | 3 | 10 | 6 | 7 | 9 | 11 | 6 | 12 | 6 | 11 | 24 | 8 | 10 | 4 | 7 | 3 | 3 | 4 | 2 | 3 | 1 | 4 | 4 | 5 | 3 | 5 | 5 | 9 | 10 | 5 | 6 | 11 | 6 | 8 | 5 | 25 | 6 | 6 | 9 | 7 | 9 | 8 | 5 | 2 | 5 | 3 | 7 | 3 | 4 | 6 | 7 | 4 | 9 | 5 | 6 | 3 | 9 | 2 | 8 | 6 | 26 | 3 | 6 | 7 | 11 | 9 | 10 | 8 | 4 | 5 | 6 | 6 | 4 | 1 | 5 | 3 | 8 | 5 | 14 | 9 | 14 | 9 | 8 | 5 | 7 | 27 | 8 | 10 | 6 | 12 | 7 | 10 | 4 | 3 | 4 | 2 | 2 | 5 | 3 | 5 | 6 | 8 | 8 | 10 | 12 | 11 | 10 | 13 | 8 | 9 | 28 | 9 | 6 | 13 | 8 | 11 | 7 | 6 | 4 | 0 | 1 | 1 | 5 | 7 | 2 | 9 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 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 Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Jan 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | IF | 1 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 1 | 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 | NS | IF | IF | 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 | 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 | 1 | 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 | IF | 1 | 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 | 2 | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Frequency: 92.5 MHz (Mode:CW,USB) Antenna : AF-4 (4el.) horizon, dir: west Receiver: R820T2 & SDR + TCXO Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 11 | 15 | 15 | 17 | 17 | 20 | 17 | 10 | 17 |Jan 01 | 19 | 12 | 17 | 13 | 8 | 8 | 8 | 7 | 6 | 4 | 9 | 10 | 6 | 7 | 5 | 13 | 8 | 10 | 19 | 23 | 16 | 19 | 13 | 15 | 02 | 19 | 16 | 16 | 13 | 14 | 15 | 7 | 4 | 9 | 11 | 10 | 9 | 12 | 6 | 11 | 17 | 16 | 19 | 17 | 17 | 16 | 19 | 21 | 14 | 03 | 14 | 12 | 12 | 13 | 11 | 8 | 5 | 5 | 10 | 6 | 5 | 3 | 12 | NS | 10 | 16 | 20 | 19 | 25 | 20 | 20 | 21 | 22 | 11 | 04 | 26 | 23 | 23 | 24 | 15 | 16 | 7 | 3 | 3 | 4 | 1 | 5 | 10 | 10 | 12 | 14 | 25 | 23 | 22 | 19 | 11 | 11 | 27 | 14 | 05 | 25 | 19 | 25 | 29 | 15 | 12 | 10 | 6 | 4 | 6 | 4 | 7 | 10 | 8 | 7 | 19 | 10 | 19 | 25 | 24 | 22 | 23 | 17 | 14 | 06 | 17 | 15 | 15 | 20 | 13 | 11 | 9 | 4 | 6 | 6 | NS | 5 | 6 | 9 | 12 | 11 | 8 | 24 | 22 | 26 | 18 | 17 | 16 | 13 | 07 | 15 | 16 | 26 | 6 | 13 | 11 | 8 | 10 | 4 | 3 | 10 | NS | 8 | 10 | 10 | 16 | 20 | 27 | 18 | 24 | 22 | 16 | 19 | 19 | 08 | 16 | 17 | 8 | 17 | 12 | 13 | 11 | 3 | 3 | 5 | 6 | NS | NS | 8 | 9 | NS | 13 | 20 | 18 | 30 | 14 | 16 | 13 | 13 | 09 | 16 | 17 | 17 | 9 | 12 | 16 | 9 | 1 | 7 | 4 | 0 | 6 | 4 | 6 | 6 | 11 | 10 | 16 | 15 | 16 | 22 | 12 | 15 | 19 | 10 | 21 | 16 | 11 | 13 | 11 | 14 | 8 | 5 | 3 | 3 | 3 | 7 | 3 | 2 | 3 | 5 | 1 | 3 | 8 | 7 | 8 | 6 | 12 | 9 | 11 | 23 | 19 | 19 | 14 | 15 | 10 | 6 | 9 | 7 | 6 | 4 | 12 | 5 | 10 | 11 | 16 | 20 | 15 | 14 | 17 | 21 | 11 | 18 | 25 | 12 | 14 | 19 | 15 | 19 | 11 | 10 | 8 | 10 | 6 | 8 | 3 | NS | 5 | 10 | 7 | 22 | 20 | 18 | 23 | 26 | 18 | 16 | 16 | 14 | 13 | 17 | 21 | 14 | 8 | 15 | 14 | 9 | 4 | 6 | 7 | 6 | 4 | 5 | 9 | 4 | 14 | 21 | 14 | 13 | 11 | 13 | 17 | 20 | 19 | 14 | 19 | 20 | 19 | 15 | 15 | 11 | 9 | 7 | 4 | 3 | 6 | 3 | 10 | 12 | 9 | 15 | 14 | 16 | 25 | 22 | 17 | 20 | 18 | 19 | 15 | 13 | 20 | 16 | IF | 11 | 5 | 7 | 3 | 8 | 2 | 4 | 0 | 4 | 4 | 9 | 13 | 15 | 15 | 16 | 16 | 17 | 25 | 20 | 18 | 16 | 12 | 17 | 17 | 20 | 19 | 13 | 5 | 4 | 3 | 3 | 6 | 4 | 7 | 7 | 9 | 7 | 19 | 14 | 10 | 12 | 20 | 16 | 12 | 14 | 17 | 12 | 19 | 20 | 17 | 14 | 12 | 5 | 7 | 7 | 2 | 5 | 2 | 6 | 2 | 6 | 8 | 15 | 12 | 10 | 12 | 15 | 20 | 9 | 13 | 18 | 12 | 11 | 14 | 11 | 13 | 13 | 8 | 2 | 3 | 2 | NS | 4 | 6 | 6 | 12 | 7 | 17 | 25 | 18 | 15 | 14 | 22 | 15 | 11 | 19 | 7 | 16 | 8 | 7 | 11 | 11 | 7 | 4 | 8 | 9 | 4 | 8 | 4 | 7 | 8 | 10 | 15 | 17 | 16 | 18 | 13 | 14 | 20 | 9 | 20 | 18 | 19 | 17 | 19 | 18 | 12 | 8 | 4 | 7 | 1 | 8 | 6 | 9 | 12 | 5 | 8 | 20 | 21 | 13 | 14 | 18 | 18 | 14 | 17 | 21 | 16 | 14 | 12 | 13 | 19 | 15 | 10 | 7 | 4 | 4 | 7 | 10 | 2 | 9 | 10 | 12 | 18 | 13 | 17 | 14 | 15 | 22 | 21 | 17 | 22 | 17 | 20 | 19 | 12 | 7 | 11 | 12 | 5 | 2 | 6 | 5 | 5 | 5 | 8 | 10 | 16 | 22 | 14 | 20 | 16 | 19 | 22 | 16 | 11 | 23 | 13 | 18 | 14 | 16 | 12 | 11 | 11 | 8 | 3 | 5 | 5 | 8 | 4 | 7 | 7 | 19 | 14 | 16 | 19 | 19 | 16 | 19 | 14 | 26 | 24 | 20 | 19 | 15 | 19 | 11 | 10 | 12 | 1 | 8 | NS | NS | 5 | 9 | 10 | 13 | 16 | 15 | 17 | 10 | 20 | 17 | 22 | 15 | 10 | 25 | 11 | 12 | 16 | 13 | 8 | 8 | 8 | 7 | 3 | 3 | 6 | 5 | 4 | 6 | 11 | 11 | 15 | 13 | 13 | 14 | 17 | 12 | 18 | 16 | 26 | 8 | 11 | 12 | 15 | 15 | 13 | 12 | 6 | 11 | 8 | 6 | 4 | 5 | 11 | 11 | 13 | 16 | 17 | 15 | 18 | 19 | 18 | 11 | 11 | 27 | 12 | 18 | 13 | 16 | 14 | 12 | 10 | 5 | 4 | 5 | NS | NS | 6 | 7 | 9 | 11 | 12 | 19 | 18 | 16 | 19 | 12 | 17 | 13 | 28 | 11 | 15 | 20 | 13 | 16 | 10 | 3 | 2 | 4 | 1 | 4 | 6 | 11 | 6 | 13 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 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 Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Jan 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 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 07 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | NS | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 10 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 12 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 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 | 1 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 15 | 0 | 0 | 0 | IF | 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 | 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 | NS | 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 | 1 | 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 | 1 | 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 | 1 | 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 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 25 | 0 | 2 | 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 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- About the RMOJ... RMOJ reports the results of radio meteor observation in Japan, sent to myself. Every month, this bulletin is sent to Mr.Christian Steyaert, who publishes RMOB, which is a world-wide bulletin. I hope RMOJ will be helpful to radio observers, as well as all meteor observers. Hiroshi Ogawa 2022.02.05