Radio Meteor Observation in Japan No.257 March 2023 - English : https://www.iprmo.org - Japanese: https://www.amro-net.jp ----------------------------------------------------------------------------- Observer : Kenji Fujito Location : Yokkaichi, Mie, Japan (34.96 N, 136.61 E) Frequency: 53.755 MHz Transmitter Location: Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Antenna : 2el. Comet HB9CV, zenith Receiver: ITEC HRO-RX1a Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- 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 8 8 9 15 13 15 7 8 1 5 3 5 4 6 6 0 1 0 4 1 3 1 1 02 | 5 3 10 11 4 11 9 11 6 7 0 6 1 0 0 0 0 0 0 0 4 4 3 4 03 | 6 2 8 9 8 9 11 4 5 6 2 0 2 3 0 0 0 2 1 3 1 0 1 2 04 | 6 13 15 8 10 8 12 10 4 3 5 2 3 0 3 1 0 1 1 1 0 7 2 1 05 | 3 4 7 6 12 9 12 3 8 4 0 0 2 3 5 4 1 1 0 0 2 4 1 4 06 | 6 7 12 10 13 8 4 5 2 2 8 8 5 5 5 1 3 0 1 0 0 0 1 2 07 | 1 3 14 13 6 4 8 3 3 4 3 3 0 3 1 0 0 1 0 2 0 4 0 1 08 | 3 7 12 6 7 16 9 1 3 3 6 4 7 6 1 1 1 1 5 0 5 2 4 4 09 | 7 9 6 9 8 10 8 2 7 3 6 7 6 4 2 2 2 1 1 0 2 2 1 5 10 | 2 2 2 8 8 4 9 7 4 5 7 1 3 1 NS %0 0 0 0 0 2 2 1 4 11 | 1 6 7 6 6 5 12 8 10 5 2 6 0 1 4 1 0 1 3 1 4 0 2 6 12 | 3 7 2 3 8 5 5 7 4 8 7 2 3 %8 %2 1 %1 %1 1 4 3 1 3 5 13 | 0 7 4 11 4 8 6 2 5 4 5 5 3 3 2 0 1 1 2 1 0 2 2 6 14 | 5 8 8 10 3 6 9 5 3 7 2 3 4 2 3 1 1 3 1 3 3 2 2 4 15 | 4 11 8 12 14 8 8 10 6 3 6 5 4 3 3 1 0 0 4 1 2 2 4 2 16 | 2 7 4 9 13 10 8 2 5 3 9 2 2 2 2 1 1 2 0 1 3 2 2 2 17 | 3 4 3 6 6 5 3 3 1 2 3 3 4 1 1 2 1 1 2 2 1 1 0 8 18 | 10 4 12 8 7 14 8 9 5 4 3 2 5 10 2 3 1 0 1 2 1 0 1 5 19 | 10 3 13 9 11 6 10 3 4 3 %3 NS %5 %0 NS NS NS NS 0 0 1 1 1 8 20 | 3 2 6 10 6 9 8 6 5 4 3 2 3 4 1 0 1 3 3 1 1 1 1 5 21 | 3 9 6 6 10 4 8 7 2 3 4 7 2 3 6 6 1 1 1 0 3 4 5 6 22 | 2 8 7 6 7 5 14 4 7 4 4 7 5 4 3 5 1 1 0 3 0 0 4 5 23 | 2 4 1 8 6 5 1 6 5 5 3 5 6 3 4 3 1 0 0 1 4 2 5 3 24 | 3 3 8 6 2 4 3 6 4 7 7 3 0 0 4 1 0 2 0 0 0 0 4 5 25 | 3 5 10 5 8 5 5 9 6 9 2 6 4 2 2 2 2 5 2 2 1 0 8 7 26 | 9 9 13 9 2 6 12 5 3 5 6 6 10 8 4 3 3 1 2 2 1 1 5 5 27 | 5 8 3 8 9 5 6 5 1 2 3 5 4 4 0 1 2 0 0 0 2 4 5 9 28 | 6 8 9 9 11 7 8 12 3 4 8 %4 %2 2 0 0 1 0 0 0 0 1 2 2 29 | 3 14 14 9 9 7 9 5 3 NS NS 3 3 %6 1 1 0 0 0 1 0 0 3 0 30 | 4 6 8 5 4 8 7 3 6 1 %0 2 2 2 %0 NS %0 1 0 1 6 6 8 3 31 | 8 12 19 18 10 13 7 5 4 4 6 2 3 2 1 1 2 0 0 1 2 0 5 5 ---+------------------------------------------------------------------------ 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 | 06 | 07 | 08 | 09 | 10 | 1 11 | 1 1 12 | 13 | 14 | 15 | 1 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 1 1 24 | 25 | 26 | 27 | 28 | 1 29 | 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: 50.017 MHz Transmitter Location: Miyazaki University (131.4 E, 31.8 N) HAM beacon (JA6YBR) (50 W CW, 50.017 MHz) No modulation except for identification Antenna : 2el. HB9CV Az:200deg. horizon. Receiver: R820T2-SDR+TCXO SDRRadioMethod : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- 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 3 3 6 5 11 9 7 6 6 4 3 5 5 3 5 0 3 1 0 2 3 2 4 02 | 1 1 2 6 6 2 3 6 11 8 9 5 9 4 2 4 1 0 1 0 2 5 6 3 03 | 7 3 4 6 3 4 2 9 11 3 4 1 1 0 5 0 2 2 1 0 1 0 3 4 04 | 3 1 3 7 7 8 %2 3 6 8 6 4 4 4 4 1 5 1 %2 1 2 0 2 1 05 | 4 2 5 3 4 4 2 3 2 7 9 5 2 4 3 3 1 1 1 2 2 2 2 2 06 | 5 0 0 2 9 7 6 0 3 4 6 6 4 1 1 3 4 2 %0 IF %0 1 2 1 07 | 0 3 0 3 2 4 1 6 6 3 0 7 4 3 3 2 2 3 1 0 5 0 3 1 08 | 3 5 2 2 5 2 2 3 4 4 7 6 8 3 2 2 0 1 0 6 4 3 9 2 09 | 5 1 0 4 1 2 2 4 2 3 5 8 2 4 1 4 7 3 0 2 0 0 2 5 10 | 3 6 4 4 6 12 1 6 11 9 11 2 3 3 3 0 1 1 3 0 1 0 3 1 11 | 5 8 8 3 1 3 6 7 9 1 5 7 3 0 2 3 3 3 %2 0 1 1 3 3 12 | 0 7 6 8 1 7 5 6 1 4 8 5 4 2 3 4 1 3 3 6 6 3 2 6 13 | 5 4 2 3 3 6 %2 1 3 6 5 1 2 3 4 2 0 0 0 %0 %0 0 1 1 14 | 2 1 %4 1 4 1 6 4 9 1 3 2 1 2 4 2 1 1 IF IF 0 0 0 4 15 | 1 2 2 1 3 3 3 2 4 3 4 4 6 2 1 0 2 2 1 0 IF IF IF IF 16 | 6 8 8 11 8 3 11 5 12 10 1 6 3 0 4 4 0 2 2 2 2 1 5 3 17 | 3 4 2 2 1 3 3 4 8 4 5 5 1 3 1 3 1 1 0 1 1 2 3 4 18 | 0 0 5 1 3 4 2 2 1 3 4 5 3 4 3 2 3 4 %2 %0 4 6 IF IF 19 | 2 2 0 2 4 7 7 4 3 3 2 6 5 1 3 2 4 3 %4 IF %1 1 2 1 20 | 2 3 0 2 0 4 10 8 6 6 5 4 1 1 1 1 3 4 0 2 4 4 3 1 21 | 0 5 2 2 2 7 5 8 2 3 5 5 1 2 2 0 0 0 0 0 1 1 6 5 22 | 6 1 2 4 1 3 6 5 5 5 7 1 2 2 2 3 1 2 4 2 5 1 3 2 23 | 5 4 1 0 1 4 4 6 7 9 5 9 4 2 2 6 5 4 1 2 5 1 3 %5 24 | IF IF %4 6 4 3 8 2 9 5 7 5 4 1 5 4 2 6 2 4 5 3 3 4 25 | 5 5 5 2 3 7 16 8 7 7 4 4 2 4 3 2 5 2 0 2 3 2 4 5 26 | 2 4 1 4 1 3 4 6 4 3 3 3 6 8 4 1 %6 IF IF IF IF IF IF %0 27 | 2 1 4 0 3 6 1 5 1 3 0 3 0 0 1 5 %6 1 %1 1 0 1 5%11 28 | 0 5 1 4 2 7 5 9 8 2 1 3 3 1 4 1 0 0 0 0 4 0 6 %6 29 | %2 2 0 0 0 1 1 0 10 7 8 2 9 3 1 4 1 2 %0 3 %2 %0 3 2 30 | 1 2 3 1 2 3 5 2 7 11 4 2 2 3 1 5 1 0 1 4 6 4 4 1 31 | 6 4 5 4 2 4 2 6 8 4 1 3 2 0 2 2 1 3 0 %1 IF IF IF IF ---+------------------------------------------------------------------------ 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 | 1 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 1 1 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 1 25 | 26 | 27 | 28 | 29 | 30 | 1 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 Frequency: 92.5 MHz Transmitter Location: FM-broadcast at Kagoshima, Japan Antenna : 5el-Yagi Az90deg Receiver: R820T2-SDR+TCXO SDRRadio Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- 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 | 19 27 36 30 33 23 34 27 IF IF IF IF IF IF IF IF%14 9 1 3 3 5 16 18 02 | 12 16 24 36 26 33 28 34%16 IF IF IF IF IF IF IF%10 9 7 9 13 6 6 8 03 | 13 20 38 25 24 35 33 31 IF IF IF IF IF IF IF IF%14 13 4 3 5 10 7 12 04 | 16 29 21 29 26 25 31 19%30 IF IF IF IF IF IF IF%20 8 9 7 4 5 10 11 05 | 17 27 26 33 26 33 34 31 IF IF IF IF IF IF IF IF IF 7 8 14 12 7 15 18 06 | 17 25 39 39 41 36 27%27 IF IF IF IF IF IF IF IF IF 6 8 11 5 15 11 12 07 | 20 30 28 34 27 26 25 23%39 IF IF IF IF IF IF IF IF 8 9 6 4 9 9 11 08 | 22 27 35 49 29%40 58 54 34%34 IF IF IF IF IF IF 12 9 7 7 13 10 14 17 09 | 29 34 44 40 44 32 17 29%40 IF IF IF IF IF IF IF 8 14 10 10 5 6 10 15 10 | 17 19 26 26 27 29 23 28 IF IF IF IF IF IF IF IF%14 9 5 11 3 11 14 23 11 | 17 12 40 30 25 27 27%34 IF IF IF IF IF IF IF IF %6 8 12 9 8 15 9 13 12 | 23 27 33 41 37 27 28 23%33 IF IF IF IF IF IF IF IF 10 8 9 9 10 7 10 13 | 11 21 21 24 25 29 21 22 27 IF IF IF IF IF IF IF IF 5 7 5 6 10 8 19 14 | 17 29 22 37 39 30 22 18 IF IF IF IF IF IF IF IF IF%10 6 12 7 7 13 11 15 | 16 28 23 35 20 32 21 29 IF IF IF IF IF IF IF IF IF 16 0 5 4 11 12 5 16 | 13 21 30 43 26 20 24 20 26 39 23 IF IF IF IF IF IF 5 10 8 11 6 9 15 17 | 12 23 25 33 33 32 19 18 IF IF IF IF IF IF%20 24 10 10 5 8 6 4 10 9 18 | 20 12 22 26 14 27 17 23 25 30 39 IF IF IF IF%26 IF 11 3 6 7 7 8 16 19 | 23 19 30 22 35 18 19 IF IF IF IF IF IF IF IF IF IF 7 4%11%14 7 12 11 20 | 15 35 26 38 26 18 16 27 IF IF IF IF IF IF IF IF IF 7 3 4 6 5 12 10 21 | 13 23 18 29 25 19 18 22 20%28%26 26 35 33 22 17 6 5 6 5 8 5 10 16 22 | 17 18 16 27 24 18 20 17 16%36 IF IF IF IF IF IF IF 3 5 7 5 10 8 11 23 | 23 17 25 24 19 17 18 25 21 15 15 31 31 25 18 9 11 9 7 2 8 7 7 7 24 | 16 21 17 18 19 16 15 19 18 39 29 28 IF IF%18 8 13 6 7 3 7 5 6 8 25 | 17 23 22 29 14 17 15 17 21 IF IF IF IF IF IF IF%10 6 9 2 9 9 12 8 26 | 19 19 27 26 38 16%26 IF 20 31 30 33%46 IF%23%24 13 9 4 6 3 9 IF IF 27 |%36 43 57 41 51 46 18 30 IF IF IF IF IF IF IF%18 10 5 10 7 5 9 12 23 28 | 17 19 15 25 24 18 12 22 IF IF IF IF IF IF IF IF IF %5 7 7 5 11 12 6 29 | 22 23 28 32 31 27 30 53 IF IF IF IF IF IF IF IF IF 3 4 9 4 %5%12 18 30 | 13 27 19 37 20 20 22 28 IF IF IF IF IF IF IF IF IF 11 7 7 3 12 10 12 31 | 22 34 26 31 27 19 22 19 IF IF IF IF IF IF IF IF IF 5 12 IF IF 8 %6%12 ---+------------------------------------------------------------------------ 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 07 | 1 1 08 | 1 1 1 09 | 1 1 10 | 1 11 | 12 | 13 | 1 1 14 | 1 15 | 1 1 16 | 17 | 1 18 | 1 19 | 20 | 21 | 1 1 1 22 | 1 2 23 | 1 1 24 | 1 2 25 | 26 | 1 27 | 1 1 28 | 1 29 | 1 30 | 1 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 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 | 7 5 3 7 6 2 7 4 7 -- 4 4 6 3 2 2 0 1 0 0 4 4 2 7 02 | 3 1 2 3 2 3 5 5 -- 9 8 2 4 7 3 1 -- 0 1 3 2 8 8 8 03 | 11 8 4 11 5 4 9 %5 3 7 5 7 4 9 2 4 0 0 1 2 3 2 2 7 04 | 3 4 7 7 4 5 6 6 4 0 5 6 7 4 1 2 0 2 0 1 5 0 4 5 05 | 4 4 1 6 6 5 7 5 5 6 8 %5 5 4 1 1 0 0 0 1 2 3 2 3 06 | 2 7 1 2 3 6 1 4 -- -- -- 3 2 4 3 1 1 0 0 2 2 2 4 3 07 | 4 2 5 3 3 2 -- -- %3 3 8 3 6 1 3 1 0 2 0 2 0 4 2 9 08 | 1 1 5 8 7 10 5 6 4 10 11 4 7 3 6 4 1 3 1 0 1 9 2 1 09 | 3 6 7 5 9 4 7 4 10 5 6 4 5 5 5 3 0 2 4 0 5 3 8 8 10 | 10 8 4 8 3 4 4 3 4 5 8 5 15 4 2 1 2 2 2 1 4 8 5 6 11 | 4 5 3 6 4 9 10 9 5 8 8 5 6 6 3 2 2 1 2 1 5 5 5 7 12 | 9 11 5 6 6 7 5 3 9 7 7 9 9 3 4 1 0 3 1 1 2 5 1 11 13 | 7 7 5 6 6 5 7 2 3 8 6 6 5 0 7 1 3 2 4 1 0 5 2 7 14 | 9 7 3 7 9 10 7 9 6 10 5 9 4 4 5 2 6 2 2 5 3 4 4 5 15 | 4 8 3 9 10 3 7 11 7 2 7 7 7 3 4 1 2 1 3 4 6 4 7 1 16 | 8 4 9 7 7 4 3 12 5 10 8 3 3 3 5 3 0 1 1 3 4 3 5 5 17 | 8 8 5 2 2 5 9 6 6 9 11 9 3 2 3 2 2 3 2 2 5 3 4 3 18 | 4 10 5 4 11 6 7 13 2 10 10 3 3 7 2 2 0 0 1 4 0 1 6 5 19 | 11 6 5 8 11 5 2 6 5 5 10 7 2 5 3 4 0 3 2 3 1 2 4 5 20 | 4 6 6 8 8 7 2 10 8 11 3 6 4 1 2 4 4 0 1 0 1 4 6 7 21 | 7 7 4 10 5 6 12 10 7 6 4 10 4 1 4 7 0 1 3 3 2 6 4 5 22 | 5 4 4 7 2 4 1 6 5 10 7 10 2 4 4 3 3 2 0 3 2 6 8 5 23 | 4 5 4 5 5 1 4 6 3 5 8 8 9 5 3 1 1 1 1 2 2 3 10 2 24 | 3 6 14 4 5 5 3 9 3 8 7 7 3 4 1 1 2 2 2 1 3 3 7 4 25 | 3 7 10 3 1 9 9 3 8 9 0 2 3 2 4 2 1 1 1 1 6 5 9 7 26 | 7 5 5 8 6 3 6 4 1 5 4 3 4 4 1 0 0 1 1 2 4 2 2 5 27 | 7 1 9 4 12 11 3 9 14 11 10 7 3 %7 9 1 1 2 0 2 3 6 4 7 28 | 9 4 5 6 5 3 5 8 5 5 11 12 4 3 3 1 1 2 3 0 2 3 7 3 29 | 10 7 2 6 6 10 4 4 1 7 2 3 5 2 2 1 2 1 3 2 3 2 6 3 30 | 4 4 5 6 1 4 3 4 9 8 2 4 1 2 2 1 2 0 2 2 1 6 7 4 31 | 5 12 6 4 8 3 5 14 9 8 4 2 0 3 3 1 0 0 0 1 2 0 3 3 ---+------------------------------------------------------------------------ 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 | 1 05 | 06 | 07 | 08 | 09 | 1 10 | 1 1 1 11 | 1 1 1 12 | 1 13 | 14 | 15 | 1 16 | 17 | 1 18 | 1 19 | 20 | 21 | 22 | 1 23 | 1 24 | 1 25 | 1 26 | 1 1 27 | 28 | 1 1 29 | 1 30 | 31 | 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 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 | 3 3 6 6 4 2 2 8 3 5 2 1 3 2 2 4 0 0 0 3 4 3 4 1 02 | 6 6 10 5 10 4 6 2 4 6 3 5 2 5 2 4 1 0 2 2 3 6 11 1 03 | 8 12 2 10 7 7 9 7 5 6 5 6 6 5 6 -- 2 3 3 4 3 5 1 5 04 | 4 4 4 8 7 6 10 5 11 7 9 5 4 4 7 0 3 4 1 2 8 6 2 7 05 | 7 3 8 3 6 7 7 4 6 10 9 5 3 6 2 3 1 0 1 5 1 5 2 6 06 | 4 3 5 3 4 4 8 4 10 5 12 9 7 2 4 2 3 5 4 2 4 3 6 3 07 | 10 4 4 13 9 8 9 9 4 12 6 7 5 0 7 2 2 1 0 2 6 5 8 3 08 | 6 8 9 3 5 7 5 10 17 7 7 5 0 2 0 0 1 3 3 3 4 7 11 5 09 | 5 6 5 3 2 4 7 14 9 6 7 1 0 2 3 2 4 2 2 2 4 2 1 6 10 | 3 8 2 7 9 11 6 10 9 9 10 4 7 3 3 5 2 0 1 1 0 5 13 8 11 | 5 4 5 7 8 2 9 17 11 7 6 5 3 6 1 1 4 5 7 9 5 11 8 9 12 | 9 5 7 7 10 8 11 9 10 10 9 10 10 4 3 6 4 3 4 4 6 5 2 9 13 | 10 9 1 4 5 4 7 14 5 7 5 4 7 4 6 4 2 0 4 4 5 6 5 10 14 | 3 4 7 7 5 12 7 11 2 5 7 4 7 6 6 2 4 3 0 4 10 5 9 10 15 | 7 9 6 8 4 5 10 13 11 13 13 6 6 9 3 1 3 5 4 5 2 5 6 5 16 | 9 5 8 9 6 13 11 11 12 8 7 3 2 7 4 0 3 4 3 5 5 5 8 7 17 | 8 5 6 4 6 5 10 14 10 5 12 5 5 4 2 3 3 3 2 5 8 3 7 8 18 | 4 2 7 2 10 8 9 6 7 5 9 6 7 5 4 3 1 2 1 2 3 5 3 6 19 | 5 6 10 2 9 6 3 8 13 8 8 7 4 4 7 9 2 0 1 0 0 2 3 13 20 | 6 7 3 10 3 7 7 12 6 3 4 5 6 6 4 0 1 3 1 2 6 5 7 9 21 | 8 8 3 6 7 5 10 9 5 9 9 3 5 6 1 5 3 1 1 6 6 5 5 9 22 | 11 2 10 7 9 9 7 18 15 4 5 3 7 7 5 4 2 2 1 4 5 6 6 8 23 | 8 9 3 4 7 8 13 20 9 14 3 8 4 11 5 7 2 3 0 1 6 3 8 10 24 | 13 8 4 6 7 6 12 6 8 8 9 5 3 12 3 2 8 0 2 7 5 5 8 11 25 | 11 8 11 7 11 5 3 9 9 6 3 8 3 4 1 1 7 1 2 3 2 6 8 7 26 | 11 4 14 10 14 8 12 17 7 4 15 6 8 7 2 1 4 3 3 6 6 7 8 7 27 | 9 8 4 12 4 11 12 11 10 5 7 1 7 3 5 2 2 2 2 6 3 8 7 5 28 | 7 2 6 2 5 4 7 13 8 9 7 4 6 5 3 5 2 2 2 1 3 4 5 7 29 | 5 11 6 3 14 10 10 8 10 7 8 4 3 2 6 2 2 3 2 8 2 5 6 7 30 | 7 7 2 5 4 9 7 6 11 8 9 6 3 6 4 2 4 6 2 3 8 8 8 9 31 | 9 3 8 10 3 6 13 12 9 4 13 8 1 7 2 3 6 7 2 4 9 4 6 5 ---+------------------------------------------------------------------------ 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 | 1 05 | 06 | 1 07 | 1 1 08 | 09 | 10 | 1 1 1 1 1 11 | 1 12 | 1 13 | 14 | 15 | 16 | 1 1 17 | 18 | 19 | 1 20 | 1 21 | 22 | 1 23 | 1 24 | 25 | 26 | 1 27 | 28 | 29 | 1 2 30 | 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 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 :Kazuki Matsushita Location : Yokohama, Kanagawa, Japan (35.44 N, 139.53 E) Frequency: 89.4 MHz (Mode:CW,USB) Antenna : Dipole Receiver: Nooelec NESDR SMArt v4 SDR Method : by using MROFFT software (by Michinari Yamamoto), 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 0 0 0 0 0 0 0 2 0 0 8 1 2 %0 1 0 1 3 0 0 1 0 0 5 02 0 0 0 0 0 2 1 2 0 0 0 0 1 3 4 1 1 0 0 %0 0 1 0 0 03 1 0 0 0 0 0 0 1 0 1 %2 1 0 2 0 0 1 0 0 0 0 0 1 1 04 2 1 1 0 0 2 3 0 0 1 3 2 0 0 3 1 1 0 0 0 0 0 0 0 05 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 3 0 06 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 1 0 2 0 0 0 0 0 0 0 0 0 0 0 1 0 08 0 0 0 0 0 0 0 0 1 2 3 0 0 3 %0 -- -- -- -- -- %0 0 %0 1 09 0 0 0 1 %0 0 0 0 0 0 4 2 0 2 0 0 2 0 0 0 0 0 1 0 10 0 0 0 0 0 1 0 0 0 2 0 0 4 0 0 1 0 1 0 0 0 0 1 0 11 0 0 0 0 0 0 0 0 0 2 2 1 0 0 1 2 %2 0 0 0 0 1 0 0 12 0 0 0 1 0 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 13 %0 %0 -- -- 0 0 0 0 0 0 1 0 0 0 0 0 0 2 0 0 0 -- -- -- 14 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 15 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 16 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 17 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 18 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 19 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 20 -- -- -- -- -- -- -- -- -- 1 2 3 0 2 0 0 0 -- -- -- -- -- -- -- 21 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 22 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 23 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 24 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 0 0 0 1 25 0 0 0 0 1 1 0 0 3 5 2 2 2 1 1 1 0 0 0 0 0 2 0 0 26 0 0 0 0 0 0 3 0 0 1 0 0 3 0 1 1 0 0 0 0 0 0 %1 %0 27 0 -- -- -- 4 0 %0 0 0 0 2 %0 -- -- -- 0 0 0 0 1 0 0 0 0 28 0 0 0 0 0 0 0 0 0 0 0 1 2 1 1 %1 0 1 2 0 0 0 1 1 29 0 0 1 0 0 %0 0 0 0 1 2 0 1 0 0 1 0 0 0 1 -- -- -- -- 30 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 31 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 0 0 0 %0 ---+------------------------------------------------------------------------ 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 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 |Feb 01 | 0 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 02 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 2 | 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 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 07 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 4 | 3 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 10 | 1 | 0 | 0 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 0 | 2 | 1 | 0 | 0 | 11 | 1 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 2 | 1 | 1 | 4 | 1 | 1 | 0 | 12 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 2 | 2 | 0 | 3 | 2 | 2 | 2 | 7 | 1 | 0 | 13 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 14 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 15 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 3 | 0 | 0 | 1 | 2 | 2 | 16 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 18 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 1 | 2 | 3 | 0 | 2 | 1 | 1 | 2 | 19 | 8 | 0 | 2 | 0 | 3 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 5 | 0 | 1 | 2 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 2 | 1 | 6 | 3 | 0 | 4 | 0 | 1 | 3 | 4 | 5 | 4 | 4 | 5 | 11 | 4 | 7 | 8 | 2 | 2 | 0 | 21 | 0 | 3 | 1 | 4 | 0 | 1 | 5 | 7 | 2 | 0 | 0 | 4 | 1 | 1 | 0 | 2 | 3 | 4 | 2 | 1 | 0 | 0 | 3 | 2 | 22 | 1 | 6 | 3 | 3 | 7 | 3 | 8 | 4 | 12 | 1 | 0 | 2 | 0 | 0 | 2 | 6 | 4 | 5 | 4 | 4 | 1 | 1 | 0 | 1 | 23 | 10 | 8 | 6 | 2 | 2 | 7 | 2 | 3 | 4 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 3 | 5 | 2 | 4 | 4 | 24 | 1 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 3 | 1 | 2 | 2 | 2 | 0 | 25 | 3 | 0 | 1 | 1 | 2 | 2 | 4 | 3 | 2 | 0 | 1 | 2 | 2 | 0 | 1 | 5 | 3 | 1 | 2 | 0 | 6 | 0 | 2 | 1 | 26 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 2 | 27 | 0 | 3 | 0 | 1 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 28 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 2 | 0 | 2 | 0 | 0 | 1 | 0 | 1 | 1 | 2 | 1 | 6 | 1 | 1 | 0 | 1 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 2 | 2 | 3 | 2 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 0 | 0 | 4 | 1 | 0 | 0 | 1 | 2 | 2 | 0 | 2 | 1 | 31 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 4 | 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 | 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 | 1 | 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 | 1 | 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 | 0 | 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 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 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 | 1 | 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 | 1 | 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 | 1 | 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 | 1 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 3 | 0 | 2 | 0 | 4 | 2 |Feb 01 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 2 | 2 | 1 | 1 | 02 | 3 | 2 | 2 | 4 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 5 | 0 | 1 | 1 | 1 | 1 | 3 | 1 | 1 | 03 | 4 | 3 | 1 | 0 | 1 | 2 | 2 | 0 | 0 | 3 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 3 | 2 | 04 | 2 | 1 | 0 | 1 | 1 | 2 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 2 | 3 | 1 | 3 | 2 | 05 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 1 | 3 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 06 | 3 | 2 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 4 | 1 | 1 | 2 | 0 | 0 | 07 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 08 | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? | 09 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 3 | 0 | 1 | 0 | 10 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 11 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 1 |??? |??? |??? |??? |??? |??? |??? | 12 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 4 | 1 | 4 | 2 | 2 | 2 | 1 | 0 | 2 | 0 | 13 | 1 | 0 | 2 | 1 | 1 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 3 | 1 | 3 | 0 | 0 | 2 | 2 | 14 | 1 | 4 | 2 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 2 | 0 | 3 | 3 | 3 | 15 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 3 | 1 | 1 | 2 | 0 | 1 | 1 | 4 | 3 | 3 | 5 | 1 | 2 | 1 | 16 | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 4 | 3 | 1 | 4 | 0 | 6 | 17 | 4 | 5 | 6 | 3 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 6 | 2 | 1 | 2 | 1 | 2 | 3 | 18 | 3 | 1 | 2 | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 4 | 1 | 5 | 3 | 12 |??? |??? |??? | 19 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 1 | 1 | 0 | 1 | 0 | 1 | 2 | 3 | 1 | 4 | 0 | 1 | 20 | 0 | 1 | 2 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 0 | 1 | 2 | 1 | 0 |??? |??? |??? | 21 |??? |??? |??? |??? |??? |??? |??? | 0 | 1 | 1 | 0 | 1 | 1 | 3 | 1 | 1 | 1 | 2 | 0 | 2 | 2 | 0 | 3 | 0 | 22 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 0 | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 2 | 23 | 2 | 2 | 1 | 1 | 3 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 1 | 0 | 24 | 2 | 2 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 2 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 4 | 0 | 3 | 1 | 0 | 1 | 1 | 25 | 2 | 0 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 4 | 3 |??? |??? |??? |??? |??? |??? |??? | 26 |??? | 0 | 1 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 1 | 3 | 1 | 1 | 2 | 1 | 1 | 0 | 1 | 0 | 3 | 2 | 4 | 0 | 27 | 1 | 2 | 2 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 3 | 2 | 0 | 0 | 5 | 1 | 4 | 1 | 2 | 2 | 3 | 2 | 4 | 28 | 1 | 0 | 2 | 3 | 1 | 2 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 1 | 2 | 0 | 2 | 0 | 5 | 4 | 0 | 0 | 4 | 0 | 29 | 0 | 0 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 1 | 2 | 3 | 3 | 2 | 1 | 0 | 3 | 3 | 30 | 1 | 1 | 1 | 2 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 2 | 0 | 3 | 5 | 3 | 5 | 4 | 3 | 31 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 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 |??? |??? |??? |??? | 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 | 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 |??? |??? |??? |??? |??? |??? |??? | 12 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 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 | 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 | 1 | 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 |??? |??? |??? | 19 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 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 |??? |??? |??? | 21 |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 |??? |??? |??? |??? |??? |??? |??? | 26 |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 29 | 0 | 0 | 1 | 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 : 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 | 1 | 1 | 1 | 0 | 1 | 1 | 2 | 0 |Feb 01 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 02 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 03 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 04 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 08 | 0 | 0 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 09 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 1 | 11 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 1 | 0 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 14 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 15 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 3 | 16 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 17 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 18 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 2 | 1 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 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 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 23 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 28 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 1 | 0 | 0 | 29 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 30 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 1 | 1 | 0 | 1 | 31 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 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 | 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 | 1 | 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 | 1 | 11 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | 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 : Hiroshi Ogawa Location : Tsukuba, Ibaraki, Japan (36.04 N, 140.05 E) Frequency: 89.4 MHz (Mode:USB) Antenna : AF-4 (4el.) horizon, dir: south-west Receiver: R820T2 & SDR + TCXO Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using MROview (by K. Arita) and HROreport (by M. Yamamoto) -- Total number of echoes -- 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 5 | 10 | 14 | 18 | 3 | 6 | 10 | 3 | 9 | 01 | 4 | 6 | 2 | 7 | 5 | 5 | 7 | 8 | 5 | 3 | 5 | 3 | 4 | 14 | 5 | 10 | 9 | 11 | 13 | 13 | 7 | 11 | 17 | 9 | 02 | 5 | 7 | 13 | 7 | 14 | 8 | 10 | 3 | 2 | 4 | 3 | 1 | 2 | 3 | 5 | 2 | 5 | 5 | 7 | 4 | 3 | 4 | 6 | 5 | 03 | 4 | 7 | 5 | 10 | 10 | 3 | 4 | 12 | 4 | 2 | 1 | 5 | 3 | 7 | 2 | 5 | 6 | NS | 2 | 5 | 6 | 7 | 1 | 5 | 04 | 8 | 6 | 5 | 7 | 1 | 5 | 2 | 2 | 2 | 0 | 4 | 5 | 3 | 1 | 5 | 4 | 11 | 8 | 8 | 10 | 5 | 7 | 5 | 7 | 05 | 6 | 5 | 5 | 6 | 8 | 1 | 4 | 2 | 5 | 5 | 2 | 1 | 2 | 4 | 7 | 2 | NS | 7 | 2 | 5 | 5 | 5 | 5 | 8 | 06 | 7 | 7 | 3 | 3 | 9 | 3 | 4 | 1 | 2 | 6 | 3 | 5 | 2 | 4 | 3 | 7 | 3 | 5 | 5 | 4 | 3 | 3 | 4 | 3 | 07 | 9 | 10 | 6 | 5 | 8 | 7 | 2 | 2 | 1 | 5 | 2 | 3 | 4 | 1 | NS | 3 | 10 | 8 | 6 | 2 | 7 | 6 | 6 | 3 | 08 | 5 | 8 | 6 | 7 | 10 | 12 | 7 | 4 | 3 | 5 | 4 | 4 | 0 | NS | 2 | 2 | 5 | 2 | 3 | 8 | 0 | 3 | 1 | 0 | 09 | 3 | 4 | 6 | 3 | 3 | 15 | 7 | 5 | 2 | 3 | 5 | 4 | 4 | 4 | 7 | 7 | 9 | 7 | 15 | 12 | 7 | 7 | 11 | 9 | 10 | 6 | 5 | 10 | 12 | 8 | 3 | 4 | 3 | 2 | 3 | 4 | 3 | 3 | 6 | 1 | 12 | 7 | NS | 6 | 7 | 5 | 5 | 6 | 7 | 11 | 4 | 5 | 6 | 8 | 6 | 7 | 6 | 4 | 6 | 4 | 5 | 2 | 3 | 8 | 9 | 5 | 11 | 7 | 5 | 4 | 17 | 5 | 3 | 5 | 12 | 5 | 4 | 8 | 10 | 5 | 6 | 4 | 3 | 5 | 4 | 1 | 2 | 1 | 7 | 4 | 6 | 6 | 3 | 6 | 3 | 3 | 2 | 10 | 7 | 13 | 10 | 11 | 6 | 7 | 8 | 4 | 8 | 1 | 3 | 2 | 2 | 1 | 4 | 2 | 5 | 6 | 4 | 7 | 8 | 11 | 10 | 10 | 8 | 6 | 14 | 8 | 5 | 2 | 8 | 4 | 6 | 4 | 4 | 4 | 3 | 4 | 6 | 5 | 5 | 3 | 5 | 2 | 8 | 9 | 2 | 1 | 3 | 4 | 2 | 15 | 6 | 7 | 6 | 7 | 8 | 9 | 6 | 6 | 4 | 3 | 2 | 3 | 4 | 4 | 4 | 5 | 3 | 8 | 3 | 11 | 6 | 10 | 5 | 7 | 16 | 11 | 8 | 11 | 6 | 4 | 5 | 3 | 5 | 3 | 7 | 5 | 4 | 3 | 3 | 5 | 3 | 6 | 5 | 9 | 2 | 11 | 11 | 8 | 7 | 17 | 12 | 9 | 7 | 7 | 9 | 2 | 11 | 5 | 3 | 10 | 5 | 3 | 3 | 3 | 9 | 3 | 6 | 11 | 1 | 8 | 8 | 4 | 4 | 1 | 18 | 4 | 5 | 9 | 5 | 7 | 8 | 9 | 3 | 3 | 2 | 3 | 3 | 2 | 1 | 0 | 4 | 0 | 5 | 2 | 2 | 9 | 0 | 4 | 8 | 19 |??? | 7 | 6 | 9 | 6 | 6 | 4 | 5 | 4 | 1 | 4 | 4 | 4 | 2 | 4 | 7 | 14 | 14 | 16 | 14 | 12 | 8 | 7 | 7 | 20 | 6 | 7 | 8 | 10 | 3 | 5 | 6 | 6 | 6 | 4 | 1 | 5 | 4 | 4 | 4 | 1 | 5 | 3 | 8 | 7 | 6 | 7 | 5 | 3 | 21 | 5 | 6 | 7 | 9 | 2 | 2 | 2 | 4 | 3 | 2 | 1 | 2 | 4 | 2 | 4 | 5 | NS | 3 | 9 | 4 | 4 | 1 | 5 | 2 | 22 | 6 | 6 | 8 | 8 | 5 | 9 | 6 | 8 | 3 | 5 | 1 | 2 | 2 | 6 | 5 | 3 | 8 | 5 | 7 | 7 | 4 | 7 | 6 | 5 | 23 | 4 | 2 | 6 | 2 | 3 | 6 | 5 | 1 | 5 | 2 | 2 | 1 | 5 | 4 | 5 | 3 | 5 | 5 | 10 | 7 | 5 | 2 | 3 | 4 | 24 | 3 | 4 | 5 | 1 | 2 | 2 | 1 | 0 | 0 | 1 | 0 | 4 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 25 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 26 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 5 | 3 | 1 | 4 | 3 | 27 | 3 | 0 | 1 | 0 | 1 | 3 | 2 | 3 | 1 | 2 | 2 | 1 | 3 | 2 | 2 | 3 | 9 | 8 | 9 | 14 | 10 | 9 | 5 | 6 | 28 | 3 | 2 | 5 | 8 | 7 | 4 | 4 | 5 | 5 | 8 | 4 | 4 | 8 | 6 | 5 | NS | 7 | 10 | 5 | 10 | 8 | 5 | 6 | 10 | 29 | 3 | 6 | 7 | 10 | 8 | 10 | 7 | 7 | 5 | 4 | 6 | 5 | 9 | 1 | 8 | 4 | NS | NS | 9 | 9 | 7 | 3 | 3 | 13 | 30 | 7 | 7 | 8 | 9 | 4 | 5 | 6 | 6 | 6 | 7 | 8 | 3 | 5 | 3 | 5 | 3 | 3 | 6 | 6 | 2 | 3 | 9 | 6 | 8 | 31 | 8 | 11 | 11 | 8 | 7 | 6 | 10 | 7 | 6 | 3 | 4 | 4 | 5 | 5 | 7 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 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 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 01 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 1 | 04 | 0 | 0 | 0 | 1 | 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 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 10 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 1 | 1 | 11 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 1 | 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 | 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 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | NS | 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 | 1 | 0 | 0 | 0 | 0 | 23 | 1 | 0 | 0 | 0 | 0 | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 25 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 26 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 1 | 30 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 Frequency: 92.5 MHz (Mode:USB) Antenna : AF-4 (4el.) horizon, dir: west Receiver: R820T2 & SDR + TCXO Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using MROview (by K. Arita) and HROreport (by M. Yamamoto) -- Total number of echoes -- 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 12 | 14 | 17 | 26 | 15 | 17 | 15 | 11 | 16 |Feb 01 | 15 | 9 | 9 | 13 | 10 | 12 | 7 | 12 | 5 | 7 | 8 | 5 | 4 | 7 | 10 | 11 | 20 | 17 | 16 | 19 | 20 | 10 | 20 | 13 | 02 | 13 | 14 | 18 | 15 | 15 | 8 | 7 | 4 | 4 | 5 | 1 | 3 | 3 | 8 | 13 | 14 | 15 | 19 | 20 | 13 | 14 | 8 | 8 | 11 | 03 | 13 | 10 | 14 | 11 | 13 | 2 | 4 | 11 | 3 | 6 | 1 | 5 | 5 | 11 | 10 | 25 | 19 | 20 | 16 | 16 | 21 | 24 | 7 | 8 | 04 | 8 | 12 | 12 | 21 | 12 | 9 | 8 | 8 | 2 | 9 | 7 | 11 | 4 | 9 | 15 | 10 | 16 | 18 | 19 | 19 | 12 | 11 | 7 | 11 | 05 | 12 | 8 | 16 | 11 | 10 | 7 | 8 | 5 | 6 | 5 | 4 | 4 | 3 | 7 | 9 | 15 | 17 | 14 | 15 | 19 | 15 | 14 | 12 | 13 | 06 | 20 | 23 | 14 | 9 | 16 | 10 | 6 | 5 | 3 | 7 | 3 | 4 | 5 | 11 | 6 | 24 | 19 | 19 | 10 | 19 | 11 | 12 | 8 | 16 | 07 | 10 | 10 | 21 | 12 | 16 | 13 | 2 | 6 | 6 | 10 | 8 | 8 | 10 | NS | 14 | 22 | 20 | 21 | 18 | 26 | 26 | 13 | 9 | 10 | 08 | 17 | 15 | 18 | 11 | 11 | 12 | 7 | 2 | 2 | 5 | 5 | 4 | 9 | 9 | 15 | 18 | 20 | 14 | 10 | 15 | 14 | 12 | 9 | 7 | 09 | 13 | 9 | 12 | 9 | 9 | 14 | 7 | 4 | 2 | 6 | 4 | 3 | 1 | 10 | 19 | 13 | 14 | 15 | 12 | 15 | 14 | 15 | 14 | 10 | 10 | 7 | 19 | 10 | 20 | 7 | 9 | 8 | 5 | 2 | 6 | 3 | 4 | 9 | 9 | 10 | 20 | 17 | 6 | 24 | 16 | 15 | 18 | 13 | 14 | 11 | 13 | 14 | 9 | 12 | 8 | 14 | 0 | 3 | 7 | 5 | 11 | 9 | 13 | 14 | 17 | 16 | 21 | 18 | 22 | 19 | 23 | 20 | 10 | 8 | 12 | 5 | 6 | IF | 13 | 3 | 8 | 14 | 4 | 7 | 6 | NS | NS | NS | 10 | 13 | 13 | 15 | 14 | 19 | 21 | 14 | 14 | 12 | 9 | 13 | 9 | 15 | 10 | 9 | 10 | 11 | 11 | 6 | 5 | 4 | 4 | 3 | 5 | 2 | 19 | 11 | 13 | 27 | 15 | 16 | 32 | 11 | 8 | 7 | 14 | 14 | 8 | 11 | 13 | 14 | 14 | 5 | 7 | 6 | 7 | 9 | 5 | 9 | 9 | 9 | 17 | 13 | 13 | 17 | 15 | 12 | 11 | 10 | 11 | 15 | 11 | 11 | 11 | 11 | 15 | 12 | 6 | 9 | 5 | 3 | 3 | 6 | NS | 13 | 4 | 15 | 15 | 17 | 17 | 17 | 12 | 14 | 9 | 11 | 16 | 17 | 9 | 16 | 11 | 4 | 8 | 4 | 6 | 2 | 7 | 8 | 8 | 7 | 8 | 9 | 10 | 20 | 15 | 22 | 15 | 17 | 9 | 11 | 14 | 17 | 13 | 6 | 14 | 11 | 14 | 6 | 12 | 4 | 2 | 7 | 3 | 5 | 6 | 7 | 12 | 16 | 20 | 21 | 14 | 17 | 30 | 22 | 15 | 12 | 18 | 17 | 15 | 20 | 14 | 12 | 15 | 10 | 3 | 5 | 4 | NS | 10 | 6 | 6 | 9 | 24 | 18 | 21 | 10 | 12 | 17 | 14 | 15 | 16 | 19 | 11 | 12 | 12 | 15 | 12 | 7 | 2 | 5 | 2 | 3 | 8 | 7 | 10 | 8 | 8 | 15 | 16 | 12 | 18 | 22 | 23 | 13 | 13 | 14 | 20 | 8 | 16 | 13 | 12 | 9 | 8 | 8 | 11 | 4 | 1 | 4 | 6 | 9 | 5 | 6 | 11 | 12 | 15 | 17 | 19 | 17 | 11 | 13 | 6 | 21 | 11 | IF | 11 | 17 | 12 | 12 | 7 | 5 | 4 | 6 | 1 | 6 | 6 | 6 | 20 | 8 | 17 | 14 | 27 | 14 | 15 | 7 | 13 | 8 | 22 | 16 | 14 | 17 | 13 | 11 | 15 | 8 | 11 | 4 | 6 | 1 | 4 | 4 | 12 | 15 | 13 | 20 | 27 | 18 | 16 | 17 | 10 | 13 | 10 | 23 | IF | 9 | 6 | 8 | 6 | 9 | 7 | 5 | 4 | 3 | 2 | 2 | 6 | 9 | 13 | 14 | 17 | 17 | 19 | 17 | 19 | NS | NS | 13 | 24 | 7 | 12 | 13 | 11 | 15 | 16 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 25 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 26 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 12 | 10 | 17 | 18 | 24 | 15 | 30 | NS | 20 | 18 | 19 | 27 | IF | 19 | 21 | 12 | 11 | 10 | 7 | 9 | 3 | 12 | 4 | 3 | 6 | 11 | 13 | 18 | 19 | 18 | 19 | 29 | 27 | 22 | NS | 21 | 28 | 17 | 19 | 17 | 14 | 11 | 6 | 8 | 5 | 3 | 9 | 5 | 5 | 10 | 7 | 10 | 22 | 17 | 19 | 20 | 18 | 13 | 12 | 12 | 14 | 29 | 13 | 11 | 10 | 14 | 15 | 10 | 8 | 6 | 9 | 4 | 6 | 8 | 5 | 10 | 18 | 17 | 14 | 15 | 19 | 20 | 17 | NS | 12 | 17 | 30 | 12 | 12 | 15 | 15 | 11 | 7 | 2 | 6 | 8 | 9 | 8 | 8 | 8 | 11 | 24 | 28 | 34 | 28 | 28 | 20 | 21 | 18 | 16 | 20 | 31 | 13 | 21 | 23 | 18 | 12 | 12 | 11 | 10 | 7 | 4 | 4 | NS | 23 | 18 | 18 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 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 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |Feb 01 | 0 | 0 | 0 | 0 | 0 | 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 | 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 | 1 | 04 | 0 | 0 | 0 | 1 | 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 | 1 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 10 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 11 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 12 | 0 | 0 | IF | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | 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 | 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 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 1 | 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 | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 2 | 0 | 0 | 0 | 23 | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | NS | NS | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 25 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 26 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 1 | 27 | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | NS | 0 | 28 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | NS | 0 | 1 | 30 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 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 2023.04.04