Radio Meteor Observation in Japan No.245 March 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 -- Mar| 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 14 16 10 12 14 15 14 15 6 10 3 5 5 2 0 4 3 5 5 8 12 8 02 | 9 11 16 19 11 9 14 10 11 10 10 6 14 12 2 2 8 4 4 8 4 5 4 8 03 | 5 6 10 12 17 13 8 22 9 4 1 11 7 6 3 2 2 2 3 4 2 4 8 10 04 | 5 8 11 9 8 17 14 6 15 7 3 5 0 1 0 2 0 1 3 1 1 5 11 11 05 | 11 16 15 13 12 11 10 12 9 6 6 3 5 2 1 2 2 0 6 3 2 6 5 8 06 | 4 6 10 9 8 20 13 12 11 17 9 7 9 6 4 2 4 3 2 4 1 11 4 9 07 | 13 9 8 17 11 12 15 13 8 4 3 0 0 3 1 1 1 1 4 4 4 3 6 4 08 | 9 11 15 18 7 10 13 5 3 9 9 6 5 3 0 0 1 0 0 2 3 4 2 8 09 | 10 9 15 16 13 8 16 10 6 10 13 2 0 1 1 1 2 1 4 3 4 11 8 15 10 | 8 16 12 20 23 15 12 9 11 12 7 6 2 2 0 1 0 1 0 3 3 7 10 11 11 | 4 13 15 18 14 12 6 14 7 7 4 2 5 8 0 2 0 2 2 3 3 4 5 12 12 | 11 9 10 15 15 13 15 8 5 5 8 5 5 1 2 4 4 0 4 3 8 5 4 13 13 | 7 5 4 5 13 10 15 4 13 12 5 5 3 4 3 1 4 2 3 3 0 3 3 3 14 | 8 7 12 9 10 10 12 11 10 12 6 3 6 6 3 1 3 1 0 0 6 4 8 1 15 | 9 5 10 10 11 4 11 4 6 6 7 4 5 5 0 0 0 0 2 3 4 6 9 2 16 | 9 10 19 14 12 11 10 14 7 7 7 5 2 2 2 3 0 1 0 0 2 3 2 2 17 | 5 5 7 12 10 16 12 11 7 8 3 4 0 3 1 4 0 4 2 2 2 5 6 10 18 | 10 10 16 9 10 12 12 12 8 8 10 10 7 0 6 2 2 3 5 2 1 4 5 2 19 | 16 15 7 13 19 7 16 9 14 11 5 4 5 5 7 3 6 3 0 2 3 6 9 6 20 | 13 6 12 10 15 11 10 7 9 5 4 1 3 1 3 0 1 0 0 5 2 4 6 5 21 | 6 16 17 8 19 6 11 18 6 5 2 8 5 3 2 0 0 0 5 4 8 6 9 2 22 | 11 10 19 9 13 11 11 9 6 5 8 10 4 5 8 3 2 3 1 5 1 7 9 11 23 | 10 13 17 14 8 9 12 9 14 14 8 7 13 7 9 3 2 3 2 2 2 12 4 7 24 | 15 10 16 18 13 10 9 13 6 2 6 5 7 3 4 4 1 3 2 2 4 5 9 15 25 | 5 4 7 17 13 11 8 12 10 8 4 2 0 0 0 1 2 1 7 1 4 4 0 4 26 | 11 6 11 15 12 7 8 12 6 13 9 12 7 9 6 1 0 0 1 0 0 0 0 1 27 | 1 5 5 7 2 4 6 3 1 6 7 7 5 2 0 0 1 0 5 2 7 3 6 7 28 | 16 15 22 16 16 16 14 8 3 4 4 4 4 3 0 4 0 4 0 1 8 8 8 6 29 | 5 14 17 11 8 10 18 14 9 14 6 12 5 7 3 7 3 1 3 2 2 3 10 5 30 | 6 6 9 16 8 10 13 10 10 8 6 11 13 4 5 4 2 1 2 1 2 6 1 7 31 | 5 6 11 7 13 10 6 5 7 13 11 16 11 7 9 6 2 2 2 1 5 4 7 14 ---+------------------------------------------------------------------------ Mar| 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 Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 03 | 1 04 | 05 | 06 | 1 1 07 | 1 08 | 1 09 | 2 10 | 1 1 1 1 11 | 1 12 | 13 | 14 | 1 15 | 16 | 17 | 1 18 | 19 | 1 1 20 | 1 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 1 30 | 31 | 1 ---+------------------------------------------------------------------------ Mar| 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 -- Mar| 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 | 9 8 3 3 6 6 6 7 6 4 10 8 2 4 7 5 3 1 3 4 1%10 IF IF 02 | 1 5 4 9 2 1 2 3 5 5%10 IF IF IF%10 %5 IF IF IF IF IF IF IF IF 03 | IF IF IF IF IF IF IF IF IF IF %0 2 %4 %2 1 4 4 7 0 1 0 2 IF %0 04 | 4 3 4 3 1 1 5 5 5 2 4%14 3 4 2 4 3 4 3 3 IF IF IF IF 05 | IF %1 6 2 3 4 10 4 12 5 8 %5 1 IF IF IF %2 IF IF 3 3 1 4 IF 06 | %8 2 5 5 5 9 9 0 %1 %3 IF IF IF IF IF IF %2 4 2 3 2 0 1 6 07 | 3 1 2 3 6 2 %7 5 10 14 5 IF IF IF IF 3 3 5 3 2 5 5 6 3 08 | 4 2 2 5 3 2 1 5 8 7 5 IF IF IF IF %4 4 5 2 1 4 2 4 %4 09 | 4 3 6 1 2 7 3 7 9 12 10 %4 IF IF IF IF 0 4 5 4 2 %4 IF 6 10 | 6 6 4 2 3 5%10%10 8 11 10 2 5 %5 IF IF %4 3 3 5 2 4 IF IF 11 | 4 6 1 5 3 6 5 6 7 4 4 3 4 2 3 6 5 0 0 1 3 5 3 3 12 | 3 3 2 4 3 4 3 3 %8 %3 2 7 3 3 1 4 6 0 2 5 5 IF %1 2 13 | 4 2 6 2 6 4 9 8 4 9 6 5 7 5 4 5 7 1 0 0 1 2 1 3 14 | 2 3 7 5 7 1 4 10 %8 %6 5 %4 IF IF IF %2 5 7 2 5 2 1 2 4 15 | 4 6 2 0 2 3 5 10 5 4 6 6 4 0 3 2 7 2 2 2 3 2 1 3 16 | 3 7 2 4 2 1 3 2 8 5 4 5 2 4 1 3 2 6 2 0 5 6 5 1 17 | 3 2 3 3 2 4 3 4 5 7 %6 2 4 3 7 2 4 4 4 8 4 4 5 6 18 | 8 1 6 2 5 3 4 2 3 5 8 3 6 6 4 4 4 3 2 4 4 2 2 7 19 | 3 3 3 0 0 4 4 4 4 2 5 13 %6 IF IF IF IF IF %1 2 3 4 4 2 20 | 6 3 3 3 2 1 4 %4 2 8 IF 8 1 2 3 3 6 2 2 2 2 3 3 1 21 | 8 11 3 5 5 4 3 1 4 11 %8 IF IF %5 3 7 6 %2 %4 %5 -- -- -- -- 22 | -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 1 4 3 3 23 | 7 6 2 5 4 2 3 7 6 8 8 5 7 3 2 2 4 6 3 2 %2 IF IF IF 24 | 5 3 5 3 2 1 4 3 15 6 7 5 1 3 6 7 4 2 4 2 3 %0 IF %8 25 | 3 3 2 6 8 4 4 8 12 12 4 4 8 2 4 4 7 8 4 2 3 3 2 5 26 | 2 5 2 3 3 5 3 6 1 7 5 6 3 5 3 3 3 3 1 1 2 5 6 5 27 | 7 1 2 6 6 2 3%12 2 1 3 4 3 1 1 1 3 5 3 2 %4 1 3 4 28 | 3 6 3 5 1 5 1 %0 IF IF IF IF IF IF IF IF IF IF IF IF IF 0 %0 6 29 | 8 5 6 5 4 8 5 4 6 4 4 4 3 2 3 5 3 5 1 0 2 3 4 %0 30 | 3 3 3 2 0 0 4 2 8 6 7 6 9 3 4 3 4 3 5 2 3 4 %2 %2 31 | 3 4 1 4 7 7 4 %7 6 10 5 3 6 3 7 4 4 7 3 3 2 6 9 6 ---+------------------------------------------------------------------------ Mar| 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 Mar| 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 1 08 | 2 09 | 10 | 11 | 12 | 1 13 | 1 14 | 15 | 16 | 17 | 1 1 18 | 19 | 20 | 21 | 22 | 23 | 1 1 24 | 25 | 1 26 | 27 | 28 | 29 | 30 | 31 | ---+------------------------------------------------------------------------ Mar| 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 -- Mar| 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 | 10 15 21 22 13 18 18 6 11 4 9 12 15 11 12 9 3 4 3 6 5 1 3 4 02 | 9 19 21 20 19 12 14 16 4 16 IF IF IF IF IF IF%10 4 2 3 5 3 2 2 03 | 5 8 9 9 15 14 8 10%10 IF IF IF IF%15 IF IF %6 6 1 6 1 5 4 9 04 | 3 6 12 13 9 7 9 15 %8 IF 8 IF IF IF%17 8 8 2 7 4 0 1 2 2 05 | 6 5 13 15 12 13 15 13 12 %6 IF IF IF IF IF IF 3 2 2 3 3 6 3 2 06 | 8 9 12 10 14 10 6 7 %6 IF IF IF IF IF IF IF 6 2 1 4 3 4 9 4 07 | 4 4 7 10 11 11 10 10 9 6 IF IF IF IF IF IF 3 2 4 1 2 1 4 4 08 | 4 17 7 10 13 17 12%19 IF IF IF IF IF IF IF IF%12 4 3 1 2 6 3 4 09 | 10 13 21 17 17 13 11 13%12 IF IF IF IF IF IF IF 6 %1 4 3 2 IF IF %9 10 | 13 19 13 16 15 22 12 15 IF IF IF IF IF IF IF IF IF 8 5 8 8 4 1 12 11 | 5 14 25 26 20 16 14 22 20 17%24 IF IF IF IF IF %8 1 9 3 6 12 9 12 12 | 17 22 22 29 23 16 23 14 9 13 IF IF IF IF IF IF %6 13 6 7 7 4 8 7 13 | 14 21 17 27 29 21 15 11 17%19 IF IF IF IF %8 7 5 5 5 9 7 3 8 6 14 | 13 19 30 22 16 27 15 11 IF IF IF IF IF IF IF IF 7 14 3 8 1 10 7 17 15 | 20 23 34 26 23 25 16%18 IF IF IF IF IF IF IF IF 2 2 4 2 3 5 8 7 16 | 6 13 16 18 14 15 20 11 IF IF IF IF IF IF IF IF IF 4 5 6 3 7 7 16 17 | 14 20 28 24 23 19 11 7 20%14 IF IF IF IF IF %2 9 6 7 1 2 %6 11 9 18 | 16 21 24 29 20 18 20 10 16 18 23 17 23 18 17 9 11 5 5 4 2 3 6 11 19 | 12 17 24 23 16 22 24 9%10 IF IF 16 9 8 4 5 1 0 2 5 8 2 9 14 20 | 18 19 18 33 24 22 14 IF IF IF%10%18 IF %7 IF %6 5 2 3 5 4 %3 5 8 21 | 18 21 23 25 30 29 20 10 14 %7 IF IF IF IF IF%11 7 2 4 2 10 5 5 14 22 | 16 14 18 27 21 20 12 24 15 11 10 IF IF IF%16 11 6 6 4 3 9 3 9 6 23 | 12 21 23 27 25 28 20 12 23%14%17 25 26 18 13 11 8 3 3 4 3 4 6 15 24 | 22 34 30 32 24 20 16 11 19 IF IF IF IF IF IF IF IF 6 10 12 2 3 4 7 25 | 16 10 17 8 7 19 13 IF IF IF IF IF IF IF IF IF %6 5 10 %7 %6 %3 12 11 26 | 21 27 36 34 34 31 35 11 22%25 30 27 29 22 29 23 10 1 3 8 15%11 12 11 27 | 19 28 33 36 25 27 13 IF IF IF IF IF IF IF IF IF 12 10 1 3 2%11 21 9 28 | 15 31 27 23 19 21 15 5 14 %9 IF IF IF IF IF IF 9 7 6 7 10 6 12 17 29 | 18 25 27 24 34 19 11 11 17 IF IF IF%20 IF IF IF IF 8 13 6 5 3 9 12 30 | 25 26 36 36 23 22 19 6 19 18%14 IF IF IF IF IF %4 7 4 11 10 %8 6 10 31 | 16 40 40 35 34 26 15 21 17 21 23 35 20 21 IF 17 9 11 13 4 11 9 13 14 ---+------------------------------------------------------------------------ Mar| 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 Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 1 02 | 03 | 04 | 1 05 | 1 06 | 1 1 07 | 08 | 09 | 1 1 1 10 | 11 | 1 12 | 1 13 | 14 | 15 | 1 16 | 2 17 | 18 | 1 1 1 19 | 1 20 | 21 | 22 | 23 | 1 1 1 24 | 1 1 25 | 26 | 1 1 27 | 28 | 1 29 | 1 1 30 | 1 31 | 1 1 2 ---+------------------------------------------------------------------------ Mar| 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 -- Mar| 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 | -- -- -- -- -- -- -- -- -- 11 16 12 9 11 4 4 2 1 1 3 2 2 3 9 02 | 10 8 4 4 7 3 3 5 14 12 13 12 9 14 3 2 1 1 5 1 4 3 10 6 03 | 11 10 8 5 16 11 11 17 13 9 6 7 11 6 6 3 1 3 3 2 6 3 4 5 04 | 8 7 7 9 6 16 16 11 7 7 8 5 7 4 3 1 5 2 0 2 7 7 5 6 05 | 8 7 10 6 7 3 9 8 7 5 7 5 4 4 4 1 1 1 4 0 4 3 4 8 06 | 5 5 8 9 8 8 9 7 4 7 10 %6 9 4 2 2 0 1 1 0 0 2 4 3 07 | 6 2 3 6 4 -- -- -- 6 6 6 5 5 8 3 5 1 0 2 1 3 4 3 2 08 | 6 3 5 11 5 6 4 6 8 10 11 9 5 4 6 2 0 1 1 2 3 8 2 11 09 | 11 11 7 4 12 7 4 8 6 10 15 7 5 1 4 2 1 3 3 2 2 5 5 8 10 | 9 4 5 12 10 6 7 13 8 7 8 8 8 7 4 3 2 1 3 3 6 5 7 5 11 | 9 9 4 11 4 9 9 5 14 6 11 6 6 6 3 1 0 2 1 2 3 0 1 7 12 | 10 9 8 11 8 5 7 5 8 11 6 7 5 3 1 1 0 1 1 2 6 4 4 8 13 | 13 10 4 4 6 6 9 6 8 8 10 5 2 2 1 2 1 1 2 2 5 4 1 2 14 | 10 9 7 7 7 7 4 7 7 10 16 7 9 5 3 1 0 3 2 2 3 2 8 7 15 | 8 11 5 6 4 6 6 6 8 4 7 1 4 3 1 2 2 0 1 2 3 2 5 7 16 | 5 4 9 10 3 3 2 5 10 9 8 9 2 2 3 1 1 2 2 1 1 2 11 7 17 | 11 8 5 8 9 9 4 7 9 14 11 6 8 6 7 1 0 1 2 5 2 3 4 2 18 | 7 9 4 7 9 6 5 8 4 11 8 5 6 1 6 5 1 4 2 3 4 3 7 5 19 | 5 12 8 6 4 7 6 7 8 4 12 9 7 5 5 1 1 1 %0 %3 4 2 4 9 20 | 8 6 15 4 12 3 5 8 5 4 11 7 4 7 0 2 3 2 4 5 3 5 4 3 21 | 12 7 8 5 10 4 8 8 9 13 5 6 6 3 1 1 1 1 2 0 4 6 10 6 22 | 6 4 11 7 8 4 7 9 6 6 5 9 6 3 6 3 0 3 0 2 2 4 4 7 23 | 13 6 13 5 5 3 10 11 5 14 15 10 5 7 2 3 0 2 2 3 5 3 8 4 24 | 9 4 7 9 3 6 6 5 6 10 10 7 2 3 4 3 1 3 0 4 %4 9 4 6 25 | 12 14 15 13 9 7 6 9 16 6 7 10 6 4 1 0 0 0 2 1 2 9 2 3 26 | 10 6 11 8 4 4 2 7 6 13 7 9 3 4 3 3 2 1 2 3 3 2 3 8 27 | 3 5 9 7 4 4 6 9 7 9 9 4 4 1 2 5 0 3 2 3 2 1 5 5 28 | 4 11 9 8 5 7 5 7 6 8 10 17 5 5 1 2 3 2 1 1 4 4 7 6 29 | 6 8 6 7 6 9 12 8 9 10 13 9 2 3 3 3 1 1 2 3 2 6 7 9 30 | 9 11 5 6 6 9 9 7 13 4 6 6 5 6 2 7 5 4 3 3 6 4 8 8 31 | 8 6 12 9 11 7 1 8 4 11 12 11 6 3 3 1 3 2 3 4 2 4 6 9 ---+------------------------------------------------------------------------ Mar| 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 Mar| 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 04 | 1 05 | 06 | 07 | 08 | 09 | 2 10 | 1 1 11 | 12 | 1 1 13 | 14 | 1 1 15 | 16 | 1 1 1 17 | 18 | 19 | 1 20 | 1 21 | 22 | 23 | 24 | 25 | 1 26 | 27 | 28 | 1 29 | 1 30 | 1 31 | 1 1 ---+------------------------------------------------------------------------ Mar| 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 -- Mar| 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 5 8 9 5 5 9 9 8 8 5 3 5 1 7 5 2 1 4 3 5 1 8 1 02 | 5 3 11 12 8 10 13 12 16 7 9 5 7 4 5 4 3 9 1 5 3 9 6 8 03 | 9 12 11 6 5 6 18 8 10 13 11 10 5 2 4 3 5 3 2 2 5 9 13 8 04 | 6 6 7 9 13 9 14 9 19 14 3 2 3 3 2 1 0 3 3 6 10 10 9 7 05 | 11 9 6 11 8 14 16 9 12 9 9 12 4 4 3 3 1 0 0 5 4 3 7 12 06 | 8 5 7 5 9 1 6 18 10 3 1 3 4 7 2 1 2 4 2 3 2 7 7 7 07 | 8 8 9 6 4 11 4 4 9 6 5 3 6 3 2 1 5 2 0 4 2 3 9 9 08 | 10 14 3 10 8 6 12 15 12 4 10 13 5 4 2 2 4 3 2 3 7 12 9 5 09 | 9 7 5 3 6 6 10 9 9 13 15 8 7 4 0 2 5 1 1 3 2 5 6 10 10 | 4 6 11 7 9 9 6 11 14 10 3 4 2 3 3 0 1 0 1 4 8 7 8 8 11 | 5 11 10 8 8 6 7 15 7 8 14 10 7 3 2 4 7 2 5 3 4 8 8 8 12 | 8 6 3 5 8 6 16 14 15 10 7 4 7 2 4 0 1 1 1 2 5 6 5 5 13 | 9 5 9 10 11 7 11 9 15 8 15 2 5 4 5 6 0 1 2 2 8 5 9 12 14 | 14 7 8 7 14 4 11 5 14 8 9 4 5 5 2 4 3 0 0 3 6 7 8 8 15 | %5 -- -- -- --%11 12 16 13 8 8 9 4 6 5 5 3 1 0 2 5 8 14 4 16 | 10 12 11 7 6 7 11 9 14 8 7 13 9 5 7 4 5 2 6 6 2 9 11 17 17 | 9 9 9 9 8 11 12 20 11 12 9 4 3 5 3 6 3 4 4 5 8 8 23 7 18 | 13 8 12 12 11 10 15 11 13 13 9 9 9 7 4 6 5 2 3 2 8 8 11 11 19 | 8 15 7 11 7 12 14 12 10 5 11 5 12 13 10 4 6 0 4 6 5 9 8 4 20 | 11 6 3 4 13 7 17 20 13 15 7 5 9 5 1 1 2 2 2 4 0 7 10 7 21 | 8 11 8 10 6 6 15 10 14 14 10 10 9 5 5 4 1 1 1 3 5 8 6 13 22 | 13 5 11 11 5 7 10 18 8 13 9 9 7 9 5 6 3 3 2 3 5 6 7 12 23 | 14 8 6 7 11 7 13 10 13 10 10 5 1 1 0 4 3 2 2 2 3 10 13 4 24 | 9 9 5 7 10 8 11 16 18 13 7 5 5 3 6 5 2 0 5 3 10 8 7 11 25 | 8 12 12 12 8 12 9 12 7 10 6 8 2 5 0 2 2 4 3 6 10 5 18 11 26 | 12 11 13 11 12 12 9 19 21 11 7 6 4 4 10 5 0 5 4 4 6 9 14 9 27 | 7 16 14 11 6 11 21 21 17 12 10 11 9 7 8 3 3 1 7 3 4 14 9 15 28 | 13 8 16 7 11 18 28 12 5 7 12 8 9 3 5 2 2 2 0 5 3 3 7 7 29 | 12 7 9 13 9 13 16 11 13 11 5 3 5 5 5 5 5 5 3 2 3 5 6 10 30 | 5 20 10 6 10 7 13 8 10 9 8 8 3 5 5 10 4 4 1 1 0 6 10 18 31 | 8 8 11 9 8 8 16 17 23 8 8 9 7 2 8 2 2 2 2 7 4 3 11 4 ---+------------------------------------------------------------------------ Mar| 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 Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 03 | 1 04 | 05 | 06 | 07 | 1 08 | 09 | 1 1 10 | 11 | 1 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 20 | 21 | 22 | 1 23 | 1 24 | 25 | 26 | 1 27 | 1 1 28 | 29 | 1 1 1 30 | 31 | 1 ---+------------------------------------------------------------------------ Mar| 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 -- Mar| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 1 | 1 | 1 | 0 | 1 | 4 | 1 | 0 |Feb 01 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 1 | 2 | 1 | 02 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 2 | 7 | 6 | 03 | 3 | 0 | 3 | 1 | 0 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 0 | 1 | 1 | 0 | 1 | 1 | 04 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 5 | 2 | 0 | 4 | 07 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 3 | 2 | 0 | 0 | 08 | 2 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 3 | 0 | 2 | 3 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 11 | 3 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 0 | 3 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 1 | 13 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 2 | 0 | 2 | 14 | 3 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 1 | 15 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 4 | 2 | 1 | 0 | 3 | 1 | 16 | 0 | 3 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 17 | 4 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 1 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 1 | 0 | 0 | 1 | 1 | 20 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 2 | 4 | 4 | 2 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 2 | 2 | 0 | 1 | 1 | 1 | 2 | 2 | 10 | 4 | 22 | 1 | 1 | 0 | 2 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 5 | 1 | 0 | 23 | 2 | 1 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 2 | 4 | 4 | 1 | 2 | 1 | 0 | 0 | 24 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 2 | 26 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 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 | 2 | 3 | 8 | 6 | 0 | 28 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 2 | 5 | 1 | 1 | 1 | 5 | 1 | 0 | 0 | 29 | 5 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 3 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 1 | 1 | 1 | 0 | 3 | 5 | 31 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Mar| 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 Mar| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |Feb 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 | 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 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 1 | 22 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Mar| 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 -- Mar| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 1 | 4 | 4 | 2 | 6 | 3 | 3 | 4 | 3 |Feb 01 | 3 | 3 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 2 | 1 |??? |??? |??? |??? |??? | 02 |??? | 1 | 1 | 1 | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 2 | 4 | 1 | 1 | 1 | 2 | 1 | 3 | 2 | 1 | 2 | 3 | 2 | 03 | 1 | 0 | 0 | 3 | 1 | 1 | 2 | 1 | 0 | 1 | 1 | 0 | 1 | 3 | 3 | 2 | 1 | 3 | 3 | 1 | 2 | 6 | 8 | 3 | 04 | 4 | 4 | 1 | 4 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 1 | 0 | 1 | 1 | 3 | 0 | 5 | 1 | 4 | 2 | 5 | 3 | 05 | 4 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 3 | 3 | 4 | 4 | 2 | 2 | 06 | 2 | 1 | 1 | 5 | 2 | 0 | 11 | 8 | 3 | 0 | 3 | 0 | 3 | 2 | 2 | 1 | 3 | 3 | 6 | 3 | 5 | 2 | 1 | 3 | 07 | 3 | 5 | 2 | 1 | 1 | 4 | 2 | 2 | 0 | 1 |??? | 2 | 0 | 4 | 7 | 1 | 1 | 1 | 4 | 6 | 1 | 3 | 7 | 4 | 08 | 1 | 2 | 3 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 6 | 5 | 2 | 3 | 8 | 1 | 0 |??? |??? |??? |??? |??? |??? | 09 | 1 | 2 | 2 | 3 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 6 | 4 | 4 | 5 | 4 | 4 | 5 | 10 | 2 | 4 | 6 | 4 | 2 | 2 | 1 | 2 | 0 | 4 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 3 | 0 | 2 | 4 | 2 | 3 | 11 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? | 0 | 1 | 1 | 2 | 3 | 5 | 3 | 1 | 3 | 2 | 2 | 12 | 1 | 0 | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 5 | 1 | 3 | 13 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 14 | 5 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 3 | 3 | 1 | 3 | 3 | 3 | 2 | 3 | 15 | 1 | 3 | 2 | 1 | 1 | 1 | 0 | 3 | 0 | 0 | 2 | 1 | 0 | 3 | 2 | 1 | 2 | 3 | 2 | 2 | 4 | 1 | 3 | 1 | 16 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 1 | 3 | 1 | 2 | 4 | 5 | 3 | 17 | 0 | 4 | 0 | 4 | 2 | 1 | 0 | 0 | 0 | 1 | 2 | 2 | 1 | 5 | 2 | 0 | 1 | 1 | 3 | 2 | 0 | 5 | 1 | 3 | 18 | 4 | 3 | 3 | 3 | 6 | 4 | 4 | 0 | 1 | 2 | 1 | 1 | 3 | 1 | 4 | 1 | 3 | 2 | 1 | 3 | 3 | 1 | 4 | 4 | 19 | 1 | 2 | 2 | 2 | 4 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 3 | 1 | 3 | 4 | 3 | 4 | 4 | 1 | 2 | 20 | 4 | 0 | 3 | 2 | 2 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 2 | 4 | 1 | 2 | 1 | 0 | 4 | 0 | 4 | 1 | 1 | 21 | 2 | 0 | 3 | 1 | 1 | 1 | 0 | 0 | 1 | 2 | 2 | 2 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 3 | 2 | 2 | 6 | 4 | 22 | 2 | 0 | 2 | 2 | 1 | 2 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 2 | 1 | 1 | 4 | 3 | 2 | 3 | 4 | 1 | 23 | 2 | 2 | 0 | 1 | 0 | 3 | 0 | 1 | 2 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 2 | 2 | 2 | 1 | 3 | 1 |??? |??? | 24 |??? | 0 | 0 | 1 | 1 | 3 | 2 | 1 | 1 | 1 | 0 | 1 | 3 | 0 | 0 | 2 | 2 | 0 | 3 | 0 | 0 | 3 | 4 | 3 | 25 | 1 | 1 | 0 | 3 | 3 | 1 | 5 | 6 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 2 | 0 | 0 | 2 | 1 | 26 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 1 | 2 | 1 | 2 | 0 | 3 | 2 | 1 | 27 | 3 | 2 | 0 | 0 | 0 | 0 | 4 | 3 | 1 | 0 | 1 | 2 | 1 | 2 | 0 | 0 | 1 | 2 | 1 | 2 | 1 | 2 | 2 | 5 | 28 | 2 | 4 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 1 | 1 | 2 | 2 | 0 | 3 | 1 | 1 | 5 | 2 | 29 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 3 | 4 | 5 | 3 | 3 | 6 | 3 | 2 | 2 | 30 | 0 | 0 | 0 | 2 | 2 |??? |??? |??? | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 2 | 1 | 0 | 1 | 2 | 2 | 0 | 31 | 2 | 2 | 1 | 2 | 1 | 4 | 0 | 1 | 1 | 1 | 0 | 3 | 0 | 1 | 3 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Mar| 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 Mar| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Feb 01 | 0 | 1 | 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 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 08 | 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 | 1 | 0 | 10 | 0 | 0 | 3 | 1 | 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 | 1 | 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 | 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 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 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 | 1 | 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 |??? |??? | 24 |??? | 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 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Mar| 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 -- Mar| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Feb 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 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 | 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 | 1 | 0 | 1 | 0 | 0 | 17 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 19 | 0 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 20 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 2 | 0 | 22 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 1 | 0 | 0 | 2 | 0 | 26 | 1 | 2 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 28 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Mar| 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 Mar| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Feb 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Mar| 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 -- Mar| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 | 8 | 8 | 6 | 12 | 4 | 7 | 2 | 4 | 3 | 0 | 1 | 1 | 2 | 0 | 1 | 0 | 2 | 4 | 8 | 9 | 10 | 10 | 7 | 7 |Feb 01 | 4 | 8 | 11 | 4 | 6 | 6 | 9 | 7 | 2 | 1 | 4 | 2 | 1 | 1 | 2 | 0 | 2 | 5 | 6 | 7 | 5 | 8 | 9 | 6 | 02 | 14 | 7 | 11 | 11 | 7 | 7 | 5 | 2 | 1 | 1 | 2 | 2 | 1 | 0 | 3 | 1 | 6 | 12 | 12 | 9 | 9 | 8 | 4 | 9 | 03 | 5 | 8 | 8 | 12 | 6 | 1 | 1 | 2 | 1 | 1 | 2 | 0 | 4 | 4 | 0 | 1 | 1 | 7 | 5 | 3 | 2 | 7 | 5 | 8 | 04 | 6 | 9 | 7 | 1 | 1 | 2 | 4 | 3 | 0 | 2 | 2 | 1 | 1 | 0 | 0 | 2 | 0 | 3 | 9 | 4 | 6 | 10 | 6 | 10 | 05 | 7 | 8 | 6 | 7 | 3 | 5 | 1 | 3 | 1 | 1 | 1 | 2 | 1 | 0 | 2 | 2 | 3 | 3 | 9 | 8 | 17 | 6 | 6 | 7 | 06 | 2 | 8 | 5 | 9 | 6 | 6 | 2 | 1 | 2 | 0 | 2 | 1 | 1 | 1 | 6 | 0 | 4 | 7 | 3 | 8 | 5 | 5 | 5 | 2 | 07 | 9 | 5 | 3 | 10 | 4 | 4 | 4 | 3 | 4 | 4 | 6 | 2 | 1 | 1 | 2 | 3 | 6 | 5 | 7 | 5 | 5 | 8 | 2 | 3 | 08 | 5 | 9 | 0 | 4 | 5 | 5 | 1 | 1 | 3 | 2 | 0 | 14 | 12 |??? | 5 | 4 | 2 | 1 | 4 | 1 | 5 | 3 | 6 | 8 | 09 | 10 | 3 | 7 | 3 | 1 | 4 | 3 | 0 | 0 | 1 | 2 | 1 | 1 | 1 | 1 | 3 | 7 | 2 | 2 | 3 | 9 | 7 | 6 | 7 | 10 | 5 | 5 | 6 | 1 | 5 | 5 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 2 | 3 | 4 | 1 | 11 | 16 | 4 | 7 | 5 | 7 | 11 | 16 | 7 | 4 | 7 | 9 | 1 | 3 | 5 | 1 | 3 | 2 | 2 | 2 | 3 | 2 | 6 | 5 | 3 | 10 | 12 | 3 | 5 | 5 | 1 | 12 | 1 | 1 | 4 | 4 | 4 | 2 | 7 | 5 | 4 | 3 | 3 | 3 | 3 | 2 | 4 | 3 | 8 | 8 | 10 | 14 | 9 | 11 | 12 | 5 | 13 | 3 | 6 | 8 | 7 | 7 | 6 | 1 | 2 | 4 | 2 | 3 | 6 | 1 | 3 | 4 | 3 | 5 | 8 | 6 | 13 | 7 | 8 | 5 | 5 | 14 | 8 | 4 | 9 | 9 | 3 | 3 | 1 | 3 | 1 | 4 | 2 | 5 | 1 | 2 | 3 | 5 | 7 | 8 | 6 | 9 | 8 | 5 | 3 | 3 | 15 | 2 | 4 | 2 | 5 | 7 | 6 | 4 | 2 | 7 | 3 | 0 | 1 | 2 | 1 | 3 | 5 | 2 | 17 | 4 | 15 | 6 | 8 | 13 | 7 | 16 | 6 | 1 | 6 | 3 | 5 | 3 | 1 | 2 | 5 | 3 | 5 | 1 | 2 | 1 | 2 | 3 | 4 | 5 | 5 | 7 | 7 | 9 | 3 | 6 | 17 | 3 | 4 | 1 | 5 | 2 | 5 | 4 | 10 | 1 | 3 | 4 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 18 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 7 | 3 | 1 | 11 | 5 | 4 | 1 | 3 | 6 | 3 | 3 | 6 | 5 | 4 | 19 | 6 | 5 | 1 | 3 | 4 | 5 | 3 | 9 | 7 | 1 | 0 | 0 | 2 | 0 | 4 | 1 | 4 | 3 | 6 | 3 | 2 | 1 | 3 | 3 | 20 | 4 | 5 | 8 | 2 | 2 | 2 | 2 | 1 | 6 | 2 | 3 | 1 | 2 | 0 | 1 | 3 | 4 | 3 | 4 | 7 | 2 | 4 | 6 | 9 | 21 | 5 | 18 | 10 | 7 | 7 | 6 | 2 | 3 | 3 | 2 | 0 | 2 | 4 | 2 | 2 | 4 | 8 | 6 | 5 | 9 | 3 | 2 | 4 | 3 | 22 | 7 | 10 | 35 | 23 | 29 | 42 | 14 | 19 | 7 | 3 | 2 | 9 | 5 | 9 | 3 | 7 | 1 | 6 | 5 | 8 | 8 | 4 | 4 | 7 | 23 | 8 | 6 | 4 | 4 | 2 | 4 | 6 | 2 | 0 | 1 | 2 | 3 | 2 | 0 | 1 | 0 | 3 | 4 | 5 | 5 | 7 | 1 | 1 | 8 | 24 | 12 | 14 | 3 | 4 | 3 | 5 | 2 | 0 | 1 | 2 | 1 | 2 | 5 | 2 | 3 | 2 | 3 | 7 | 5 | 6 | 5 | 7 | 8 | 41 | 25 | 23 | 5 | 6 | 5 | 9 | 7 | 10 | 4 | 3 | 6 | 0 | 3 | 4 | 2 | 4 | 5 | 4 | 3 | 9 | 8 | 7 | 8 | 6 | 5 | 26 | 5 | 6 | 6 | 9 | 10 | 7 | 9 | 6 | 1 | 2 | 4 | 4 | 1 | 2 | 1 | 4 | 12 | 11 | 5 | 11 | 3 | 7 | 8 | 6 | 27 | 11 | 2 | 5 | 4 | 4 | 7 | 3 | 6 | 3 | 4 | 3 | 4 | 2 | 1 | 1 | 1 | 4 | 2 | 2 | 8 | 6 | 4 | 6 | 5 | 28 | 10 | 5 | 7 | 4 | 9 | 5 | 3 | 5 | 3 | 1 | 2 | 3 | 4 | 2 | 3 | 7 | 3 | 5 | 11 | 8 | 4 | 10 | 2 | 40 | 29 | 28 | 8 | 11 | 8 | 9 | 5 | 8 | 4 | 3 | 0 | 1 | 2 | 1 | 2 | 0 | 10 | 8 | 17 | 6 | 6 | 9 | 5 | 5 | 6 | 30 | 3 | 2 | 4 | 8 | 4 | 8 | 6 | 2 | 0 | 2 | 2 | 3 | 2 | 3 | 0 | 9 | 1 | 8 | 10 | 15 | 4 | 6 | 4 | 8 | 31 | 5 | 3 | 5 | 5 | 10 | 5 | 4 | 4 | 6 | 4 | 0 | 1 | 3 | 1 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Mar| 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 Mar| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Feb 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 1 | 1 | 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 | 1 | 0 | 1 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 10 | 0 | 0 | 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 | 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 | 2 | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 18 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 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 | 1 | 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 | 1 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Mar| 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 -- Mar| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 6 | 9 | 5 | 9 | 6 | 6 | 6 | 8 | 4 |Feb 01 | 10 | 8 | 10 | 17 | 10 | 4 | 7 | 5 | 2 | 1 | 5 | 2 | 5 | 7 | 3 | 4 | 7 | 9 | 12 | 11 | 12 | 5 | 8 | 7 | 02 | 12 | 11 | 5 | 9 | 6 | 5 | 8 | 2 | 1 | 1 | 2 | 3 | 2 | 2 | 3 | 4 | 6 | 3 | 7 | 7 | 7 | 5 | 12 | 8 | 03 | 10 | 7 | 7 | 14 | 10 | 9 | 3 | 1 | 3 | 2 | 4 | 6 | 1 | 4 | 2 | 5 | 9 | 5 | 9 | 12 | 8 | 2 | 4 | 6 | 04 | 7 | 10 | 7 | 7 | 9 | 6 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 8 | 6 | 7 | 6 | 8 | 9 | 8 | 10 | 9 | 7 | 8 | 05 | 3 | 11 | 7 | 8 | 6 | 6 | 1 | 4 | 6 | 4 | 3 | 2 | 2 | 6 | 4 | 8 | 7 | 8 | 1 | 8 | 5 | 8 | 5 | 5 | 06 | 7 | 11 | 13 | 10 | 8 | 5 | 3 | 5 | 2 | 5 | 3 | 2 | 0 | 4 | 6 | 6 | 10 | 11 | 8 | 5 | 11 | 12 | 13 | 12 | 07 | 8 | 5 | 9 | 9 | 11 | 12 | 5 | 3 | 7 | 3 | 8 | 5 | 3 | 3 | 6 | 5 | 6 | 6 | 6 | 13 | 8 | 3 | 5 | 5 | 08 | 7 | 0 | 7 | 6 | 2 | 5 | 3 | 1 | 4 | 4 | 1 | 6 | 1 | 7 | 2 | 4 | 11 | 7 | 9 | 10 | 4 | 5 | 5 | 4 | 09 | 4 | 6 | 6 | 8 | 6 | 6 | 2 | 2 | 2 | 1 | 4 | 5 | 4 | 5 | 4 | 8 | 4 | 8 | 10 | 9 | 7 | 5 | 4 | 6 | 10 | 7 | 7 | 7 | 8 | 5 | 9 | 2 | 6 | 3 | 5 | 1 | 4 | 1 | 4 | 4 | 3 | 5 | 8 | 10 | 10 | 7 | 8 | 6 | 5 | 11 | 7 | 3 | 8 | 9 | 9 | 8 | 4 | 2 | 3 | 2 | 4 | 1 | 7 | 1 | 5 | 3 | 5 | 7 | 9 | 5 | 11 | 8 | 7 | 6 | 12 | 8 | 5 | 9 | 7 | 12 | 10 | 3 | 4 | 3 | 6 | 2 | 0 | 1 | 4 | 5 | 6 | 6 | 7 | 7 | 5 | 8 | 8 | 8 | 6 | 13 | 7 | 6 | 6 | 4 | 12 | 14 | 6 | 3 | 9 | 1 | 3 | 1 | 1 | 2 | 4 | 2 | 4 | IF | IF | 11 | 7 | 8 | 4 | 7 | 14 | 11 | 13 | 9 | 7 | 7 | 5 | 2 | 6 | 4 | 4 | 2 | 4 | 1 | 1 | 3 | 2 | 4 | 7 | 11 | 12 | 9 | 9 | 7 | 7 | 15 | 27 | 8 | 10 | 8 | 9 | 4 | 7 | 5 | 4 | 0 | 1 | 3 | 2 | 7 | 11 | 12 | 10 | 9 | 10 | 8 | 10 | 2 | 4 | 4 | 16 | 4 | 7 | 8 | 11 | 8 | 6 | 2 | 1 | 1 | 3 | 3 | 2 | 3 | 8 | 8 | 3 | 10 | 6 | 8 | 5 | 8 | 11 | 13 | 8 | 17 | 8 | 7 | 12 | 13 | 11 | 10 | 12 | 6 | 2 | 0 | 4 | 1 | 7 | 4 | 7 | 6 | 6 | 4 | 4 | 9 | 7 | 10 | 10 | 5 | 18 | 6 | 5 | 1 | 5 | 7 | 11 | 6 | 5 | 3 | 2 | 1 | 1 | 2 | 6 | 8 | 4 | 5 | 5 | 3 | 9 | 8 | 6 | 9 | 6 | 19 | 9 | 9 | 6 | 10 | 10 | 10 | 3 | 6 | 7 | 4 | 1 | 2 | 2 | 4 | 4 | 5 | 9 | 5 | 5 | 13 | 8 | 8 | 6 | 4 | 20 | 5 | 8 | 7 | 6 | 7 | 6 | 11 | 4 | 0 | 4 | 5 | 5 | 1 | 1 | 2 | 5 | 8 | 6 | IF | 10 | 6 | 9 | 8 | 13 | 21 | 6 | 7 | 7 | 9 | 10 | 5 | 9 | 3 | 3 | 4 | 2 | 2 | 1 | 1 | 3 | 4 | 2 | 10 | 11 | 11 | 8 | 8 | 6 | 5 | 22 | 7 | 1 | 11 | 8 | 3 | IF | 6 | 3 | 0 | 1 | 2 | 2 | 2 | 5 | 4 | 10 | 8 | 4 | 11 | 6 | 8 | 4 | 3 | 4 | 23 | 3 | 4 | 3 | 4 | 7 | 4 | 3 | 1 | 2 | 2 | 3 | 4 | 4 | 3 | 5 | 3 | 6 | 7 | 6 | 7 | 3 | 2 | 2 | 4 | 24 | 6 | 2 | 10 | 9 | 9 | 7 | 4 | 5 | 3 | 3 | 2 | 2 | 3 | 6 | 8 | 8 | 7 | 5 | 10 | 8 | 6 | 11 | 6 | 5 | 25 | 8 | 8 | 8 | 9 | 7 | 6 | 4 | 3 | 4 | 3 | 2 | 5 | 3 | 2 | 9 | 11 | 8 | 18 | 9 | 15 | 11 | 7 | 7 | 6 | 26 | 8 | 7 | 8 | 3 | 4 | 7 | 3 | 3 | 2 | 1 | 3 | 5 | 4 | 5 | 6 | 8 | 6 | 6 | 14 | 9 | 9 | 10 | 11 | 9 | 27 | 6 | 10 | 5 | 7 | 6 | 5 | 8 | 2 | 1 | 4 | 6 | 4 | 7 | 6 | 8 | 9 | 13 | IF | IF | 14 | 14 | 10 | 10 | 8 | 28 | 8 | 6 | 5 | 6 | 7 | 13 | 3 | 4 | 1 | 4 | 3 | 5 | 8 | 9 | 4 | 10 | 4 | 6 | 8 | 9 | 6 | 6 | 4 | 4 | 29 | 8 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 2 | 8 | 6 | 3 | 8 | 10 | 7 | 12 | 15 | 14 | 9 | 10 | 30 | 5 | 8 | 12 | 8 | 8 | 13 | 9 | 9 | 4 | 2 | 7 | 3 | 8 | 9 | 11 | 14 | 8 | 8 | 12 | 9 | 9 | 8 | 11 | 5 | 31 | 9 | 11 | 5 | 7 | 6 | 9 | 5 | 6 | 3 | 5 | 7 | 5 | 0 | 5 | 4 | 5 | 9 | 9 | 6 | 11 |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Mar| 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 Mar| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |Feb 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 | 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 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | IF | 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 | IF | 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 | IF | IF | 0 | 1 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 1 | 0 | 0 |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Mar| 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 -- Mar| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 14 | 18 | 16 | 15 | 21 | 15 | 14 | 13 | 5 |Feb 01 | 17 | 12 | 14 | 16 | 11 | 7 | 10 | 6 | 5 | 1 | 5 | 2 | 6 | 10 | 9 | 16 | 14 | 15 | 14 | 15 | 15 | 19 | 18 | 15 | 02 | 12 | 12 | 12 | 12 | 13 | 8 | 11 | 2 | 8 | 5 | 2 | 5 | 11 | 11 | 7 | 10 | 10 | 14 | 21 | 20 | 19 | 14 | 22 | 21 | 03 | 17 | 11 | 9 | 20 | 11 | 14 | 12 | 2 | 6 | 5 | NS | 5 | 4 | NS | 10 | 14 | 17 | 14 | 21 | 19 | 18 | 13 | 14 | 17 | 04 | 16 | 19 | 11 | 12 | 12 | 6 | 6 | 7 | 5 | 6 | 8 | 8 | 8 | 11 | 11 | 17 | 16 | 18 | 14 | 19 | 23 | 18 | 15 | 20 | 05 | 11 | 17 | 15 | 13 | 11 | 8 | 3 | 10 | 5 | 4 | 3 | 4 | 4 | 9 | 17 | 13 | 17 | 19 | 12 | 10 | 17 | 17 | 20 | 15 | 06 | 13 | 17 | 16 | 20 | 17 | 8 | 10 | 8 | 5 | 4 | 4 | NS | NS | NS | 12 | 11 | 18 | 21 | 17 | 11 | 20 | 12 | 18 | 18 | 07 | 13 | 14 | 17 | 13 | 15 | IF | 7 | 6 | 5 | 3 | 6 | 7 | 9 | 12 | 21 | 21 | 23 | 15 | 17 | 22 | 15 | 12 | 16 | 16 | 08 | 22 | 18 | 16 | 17 | 10 | 10 | 8 | 6 | 7 | 6 | 5 | 8 | 4 | 12 | 13 | 15 | 19 | 14 | 23 | 19 | 18 | 15 | 9 | 15 | 09 | 15 | 15 | 16 | 17 | 12 | 10 | 4 | 7 | 3 | 5 | 5 | 6 | 10 | 12 | 11 | 13 | 17 | 10 | 16 | 13 | 12 | 12 | 8 | 13 | 10 | 13 | 15 | 15 | 11 | 10 | 10 | 8 | 9 | 5 | 8 | 3 | 5 | 3 | 12 | 7 | 12 | 18 | 21 | 16 | 16 | 20 | 19 | 12 | 11 | 11 | 11 | 9 | 10 | 17 | 11 | 9 | 7 | 7 | 5 | 5 | 7 | 0 | 8 | 2 | 12 | 10 | 13 | 10 | 21 | 15 | 20 | 18 | 17 | 8 | 12 | 12 | 6 | 11 | 6 | 11 | 12 | 4 | 5 | 4 | 4 | 7 | 3 | 1 | 9 | 14 | 11 | 9 | 13 | 13 | 13 | 16 | 15 | 21 | 14 | 13 | 9 | 13 | 18 | 13 | 6 | 14 | 12 | 8 | 5 | 2 | 4 | 1 | 8 | 7 | 11 | 10 | 15 | 17 | 19 | 19 | 23 | 19 | 18 | 10 | 14 | 23 | 12 | 12 | 9 | 18 | 6 | 5 | 8 | 7 | 5 | 2 | 6 | 6 | 8 | 7 | 19 | 16 | 25 | 22 | 27 | 20 | 13 | 15 | 22 | 15 | 18 | 14 | 23 | 15 | 18 | 12 | 11 | 9 | 4 | 1 | 5 | NS | 6 | 9 | 19 | 21 | 25 | 18 | 35 | 18 | 18 | NS | 11 | 13 | 16 | 16 | 18 | 10 | 12 | 9 | 11 | 6 | 2 | 3 | 6 | 5 | 3 | 12 | 14 | 15 | 13 | 21 | 16 | 22 | 21 | 20 | 18 | 18 | 11 | 17 | 17 | 15 | 14 | 14 | 16 | 14 | 13 | 10 | 9 | 5 | 6 | 4 | 10 | 8 | 14 | 17 | 16 | 18 | 27 | 24 | 20 | 16 | 20 | 13 | 18 | 14 | 15 | 15 | 25 | 22 | 18 | 11 | 8 | 7 | 6 | 6 | 6 | 6 | 15 | 15 | 14 | 20 | 16 | 18 | 20 | 22 | 19 | 18 | 17 | 19 | 12 | 11 | 13 | 16 | 14 | 14 | 12 | 11 | 12 | 7 | 4 | 7 | 7 | 9 | 14 | 12 | 23 | 19 | 14 | 24 | 13 | 12 | 12 | 11 | 20 | 13 | 13 | 13 | 9 | 10 | 9 | 5 | 9 | 2 | 6 | 4 | 5 | 5 | 6 | 4 | 15 | 15 | 16 | 19 | 17 | 17 | 17 | 12 | 16 | 21 | 9 | 14 | 10 | 9 | 11 | 7 | 9 | 7 | 4 | 6 | 5 | 4 | 7 | 5 | 10 | 11 | 13 | 18 | 21 | 15 | 21 | 15 | 13 | 9 | 22 | 8 | 9 | 15 | 20 | 10 | 12 | 8 | 9 | 1 | 2 | 5 | 2 | 3 | 12 | 11 | 17 | 13 | 20 | 22 | 22 | 20 | 10 | 15 | 11 | 23 | 13 | 10 | 9 | 9 | 11 | 5 | 15 | 6 | 4 | 2 | 3 | 4 | 8 | 13 | 11 | 18 | 16 | 22 | 19 | 15 | 16 | 11 | 11 | 10 | 24 | 13 | 11 | 15 | 12 | 13 | 7 | 6 | 9 | 2 | 4 | 3 | 6 | 8 | 11 | 10 | 11 | 14 | 20 | 14 | 16 | 18 | 13 | 14 | 20 | 25 | 14 | 15 | 15 | 15 | 9 | 8 | 8 | 8 | 5 | 13 | 3 | 7 | 6 | 7 | 17 | 17 | 22 | 23 | 16 | 22 | 23 | 19 | 11 | 9 | 26 | 19 | 18 | 17 | 14 | 18 | 14 | 5 | 10 | 4 | 5 | 3 | 9 | 3 | 10 | 17 | 24 | 24 | 26 | 34 | 27 | 20 | 17 | 15 | 18 | 27 | 15 | 20 | 18 | 13 | 7 | 7 | 12 | 5 | 8 | 4 | 9 | 6 | 8 | 11 | 18 | 18 | 18 | 23 | 29 | 21 | 26 | 17 | 16 | 15 | 28 | 15 | 14 | 10 | 12 | 11 | 15 | 4 | 5 | 3 | 5 | 3 | 6 | 10 | 15 | 10 | 16 | 17 | 21 | 22 | 21 | 23 | 13 | 15 | 13 | 29 | 23 | 10 | 15 | 19 | 11 | 18 | 8 | 9 | 5 | 5 | 4 | 4 | 4 | NS | 10 | 14 | 22 | 21 | 16 | 19 | 23 | 14 | 11 | 14 | 30 | 18 | 18 | 18 | 17 | 13 | 20 | 8 | 8 | 3 | 3 | 8 | 5 | 7 | 10 | 17 | 20 | 18 | 21 | 20 | 23 | 19 | 14 | 20 | 13 | 31 | 20 | 21 | 19 | 11 | 16 | 20 | 13 | 16 | 10 | 8 | 7 | 7 | 4 | 17 | 16 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Mar| 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 Mar| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |Feb 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 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 1 | 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 | 1 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 07 | 0 | 0 | 0 | 0 | 0 | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 08 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 10 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | NS | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 1 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 29 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 30 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Mar| 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 2022.04.02