Radio Meteor Observation in Japan No.256 February 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 -- Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 2 10 14 16 12 8 7 3 10 7 5 9 3 2 5 2 1 1 0 3 1 4 4 1 02 | 4 10 6 7 7 6 8 2 0 6 1 1 2 1 1 3 0 0 1 1 1 1 5 3 03 | 9 9 7 8 11 7 7 8 4 7 7 6 4 3 1 1 1 1 2 0 0 0 4 4 04 | 4 7 12 5 11 15 7 7 11 11 4 3 5 4 1 0 0 1 2 1 3 3 0 3 05 | 3 3 13 10 13 12 12 12 12 5 3 3 2 4 0 1 2 1 0 4 3 4 3 6 06 | 10 4 5 18 9 17 11 6 7 10 8 8 4 4 3 0 1 1 0 2 3 1 3 6 07 | 5 6 9 6 14 10 4 8 3 7 3 1 5 2 1 0 1 2 2 3 4 1 8 5 08 | 8 14 12 12 10 11 7 4 4 1 2 2 1 1 0 0 0 0 0 1 0 0 2 2 09 | 5 6 7 12 9 4 3 4 1 4 0 2 2 0 0 0 0 0 0 3 2 1 2 5 10 | 10 9 11 8 8 10 2 6 0 6 5 3 1 2 0 2 4 1 0 5 0 3 1 7 11 | 6 10 5 5 3 3 4 3 5 2 3 0 1 2 1 3 0 0 1 1 2 2 2 2 12 | 7 4 9 11 7 10 8 9 15 7 7 5 5 4 2 1 1 2 1 0 2 0 0 1 13 | 10 9 5 7 7 8 4 4 6 9 10 6 4 7 0 2 0 0 0 1 2 1 2 5 14 | 2 0 3 1 7 6 1 2 3 2 2 0 2 1 1 1 1 0 0 0 1 1 3 3 15 | 1 2 11 4 5 0 4 5 0 2 1 0 0 1 0 0 0 0 0 0 0 2 3 0 16 | 5 6 8 10 4 8 5 8 5 6 4 3 1 3 1 4 2 1 4 0 1 4 2 3 17 | 0 6 9 14 15 13 7 5 12 10 9 2 3 0 1 0 1 0 1 0 1 5 3 9 18 | 3 9 9 10 6 10 11 6 6 10 5 2 8 2 4 4 1 2 2 0 2 6 4 9 19 | 5 12 9 10 6 8 13 6 2 6 6 3 2 3 4 0 3 2 0 0 0 2 0 1 20 | 3 3 10 9 8 11 4 3 2 4 1 2 4 3 1 1 3 1 0 0 0 1 4 1 21 | 1 3 5 2 6 9 9 7 7 5 3 0 3 0 0 0 0 0 1 0 0 3 1 4 22 | 2 2 5 10 8 9 7 2 5 0 5 8 2 2 2 0 1 2 0 0 2 0 4 3 23 | 2 3 7 4 10 5 13 6 12 9 7 12 1 9 4 2 1 2 1 2 2 3 5 9 24 | 5 11 13 10 13 8 9 5 8 4 6 7 1 3 1 1 1 0 1 1 2 3 2 5 25 | 7 8 8 8 11 13 9 3 3 1 %2 NS NS NS NS NS NS NS NS %0 0 0 1 2 26 | 0 4 9 5 4 3 6 5 5 3 1 0 %0 NS NS NS %0 0 0 2 3 2 3 4 27 | 4 5 8 8 3 7 6 3 3 3 3 1 1 1 0 1 0 1 0 0 1 1 6 2 28 | 7 9 14 11 5 7 12 3 8 5 3 4 0 8 1 2 2 0 2 3 4 1 4 7 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 1 03 | 1 04 | 1 1 05 | 1 06 | 1 07 | 08 | 1 1 09 | 10 | 1 1 11 | 12 | 1 13 | 1 14 | 15 | 16 | 17 | 18 | 19 | 1 20 | 1 21 | 1 22 | 23 | 1 24 | 25 | 26 | 27 | 28 | 1 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer : 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 -- Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 7 3 2 1 10 9 IF %8 13 14 8 6 7 9 2 3 6 3 1 %2 7 7 7 5 02 | 4 2 7 3 3 7 IF 7 3 13 8 4 6 3 6 6 3 1 IF IF IF %0 6 8 03 | 3 5 4 7 4 13 IF %8 9 6 5 5 16 8 3 2 3 3 %1 IF 5 1 6 0 04 | %2 4 6 3 1 4 6 4 7 7 7 6 2 3 2 2 0 1 %1 0 1 1 2 2 05 | 1 4 3 4 4 %4 3 4 5 5 9 4 2 0 2 5 1 1 IF %1 2 0 0 0 06 | 3 2 6 4 4 4 IF 0 3 8 9 10 6 1 4 7 1 5 %2 IF %2 2 0 2 07 | 3 6 0 2 6 4 6 7 11 4 0 10 5 5 3 2 0 2 0 2 0 1 1 1 08 | 2 5 1 0 1 2 1 2 4 7 3 3 1 4 4 1 0 2 0 0 1 1 6 2 09 | 5 2 6 4 2 3 0 1 4 7 5 2 6 3 0 2 1 0 3 3 0 3 0 1 10 | 5 3 3 6 1 2 3 2 3 9 11 1 4 3 2 8 1 1 0 0 4 0 3 3 11 | 6 6 5 5 6 8 12 5 9 7 5 1 8 %4 3 2 0 0 2 0 4 2 4 3 12 | 3 2 6 4 8 5 2 5 5 7 8 7 4 6 %0 2 2 7 2 IF 2 4 0 7 13 | 1 1 1 3 5 3 2 0 2 1 1 0 2 3 2 4 %0 %0 %0 0 2 0 5 2 14 | 2 0 1 8 4 4 IF %2 7 6 7 13 8 3 5 2 2 2 0 IF IF 2 4 6 15 | 1 4 4 3 5 5 2 5 2 2 6 5 5 2 4 5 1 2 %4 IF %2 %1 0 3 16 | 2 5 6 10 3 9 5 12 3 8 7 3 5 11 4 6 5 2 %2 IF 3 2 3 1 17 | 1 2 1 1 1 1 3 5 4 10 3 3 8 11 2 3 1 2 2 %2 1%12 %7 %8 18 | 3 4 7 2 11 4 7 2 5 8 5 4 5 7 5 6 1 4 0 0 4 5 5 3 19 | 5 9 7 2 4 7 3 12 9 9 4 8 9 3 5 3 0 2 1 1 2 6 3 4 20 | 3 2 4 3 7 7 4 5 8 13 IF IF IF IF IF IF IF 3 %0 IF 5 0 9 3 21 | 4 4 4 7 4 9 4 15 17 20 10 7 6 %5 4 7 1 3 1 IF IF 2 %2 IF 22 | IF %6 8 3 0 3 2 2 3 8 1 5 3 5 3 4 1 1 %5 IF 5 2 1 1 23 | 3 5 3 4 1 1 3 8 12 16 9 7 8 5 4 1 0 1 0 0 4 2 1 1 24 | 2 3 2 3 6 2 2 1 11 3 5 1 3 4 7 1 2 0 1 0 1 3 3 5 25 | 9 5 6 9 10 15 7 6 8 12 11 4 8 6 3 4 3 %7 %1 0 2 7 %2 IF 26 | IF IF IF %0 0 %5 %0 2 6 2 5 4 1 2 3 2 2 1 %2 IF IF %0 1 1 27 | 3 1 1 4 2 0 IF 7 10 6 7 4 9 3 1 2 0 4 %1 IF IF 1 1 1 28 | 3 2 3 4 4 5 IF %6 8 3 4 4 4 3 0 2 1 3 3 %2 %2 1 0 1 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 1 02 | 1 03 | 1 04 | 1 05 | 06 | 07 | 08 | 1 09 | 10 | 11 | 12 | 13 | 14 | 1 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Frequency: 92.5 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 -- Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 12 26 20 19 28 41 23 29 21 27 38 34%30 IF IF IF 7 2 5 3 6 9 12 7 02 | 16 20 16 26 38 24 22 28 34 41%34 IF IF IF IF 16 17 9 9 2 5 12 8 8 03 | 18 20 21 31 30 30 21 24 36 34 35 30 IF IF IF IF 14 13 5 9 5 11 10 11 04 | 18 25 32 33 38 36 14 23 32%34%40 IF IF%16 IF IF 13 7 6 4 12 6 9 9 05 | 18 33 24 34 41 31 28 31 26 IF IF IF IF IF IF IF 11 13 9 8 6 12 8 14 06 | 14 25 33 40 28 31 36 37 30 35 IF IF IF IF 30 17 10 9 9 2 4 10 10 16 07 | 16 23 31 41 38 31 20 23 20 29 30 31 34 26 20 18 16 8 3 5 7 9 9 14 08 | 12 21 17 33 34 32 19 25 27 31%44 IF IF IF IF%20 17 7 7 3 12 13 10 9 09 | 13 27 23 23 32 30 23 29 35%29 IF IF IF IF IF IF 13 6 8 8 9 13 11 14 10 | 12 15 21 23 33 25 40 28 23 44 38 38 33 28 24 8 12 10 5 %2 9 8 9 15 11 | 14 15 25 33 25 21 31 25%34%37 IF IF IF IF IF 17 9 16 10 5 12 10 9 8 12 | 10 15 34 15 21 24 21 27 22%34 IF IF IF IF IF 20 4 9 6 7 6 11 4 9 13 | 14 13 26 30 19 28 15 22 26 25 28 30 31 28 23 9 7 10 8 6 4 8 4 7 14 | 16 19 25 29 37 24 26 28 37 32%42 IF IF IF IF%23 11 13 4 3 13 5 5 8 15 | 13 21 25 27 34 20 31 25 20%14 IF IF IF IF IF%11 12 9 7 5 5 5 7 10 16 | 16 23 23 44 29 34 33 31 41 31 IF IF IF IF IF IF %8 4 10 7 6 8 9 7 17 | 25 20 32 32 41 22 35 35%40 IF IF IF IF IF%30 21 16 10 8 6 7 6 12 6 18 | 13 17 26 27 24 29 24 31 26 42 28 25 28 34 32 13 14 4 7 3 8 10 8 5 19 | 14 20 24 32 33 19 31 28 36 30 45 33 39%33%32 15 7 11 8 9 10 6 6 16 20 | 15 20 26 32 39 33 26 32%31 IF IF IF IF IF IF IF 20 12 9 11 5 12 12 9 21 | 20 13 26 30 34 33 35 33 32 IF IF IF IF IF IF IF%11 13 7 4 8 19 9 12 22 | 21 32 20 38 43 31 31 42%42 IF IF IF IF IF IF IF%18 9 10 3 7 9 10 11 23 | 18 23 21 35 29 25 26 22 26%29 IF IF IF IF%23 %8 12 10 11 5 5 9 4 11 24 | 15 20 26 28 32 29 27 24 41 32%47 IF IF IF IF IF %8 11 8 4 6 11 5 9 25 | 11 21 25 31 25 31 21 23 22 IF IF IF IF 22 17 26 17 5 7 8 6 20 6 13 26 | 23 30 31 43 35 24 24%36%26 IF IF IF IF IF IF IF%15 3 15 9 7 12 12 13 27 | 17 30 38 37%27 27 26%41 IF IF IF IF IF IF IF IF%12 13 11 5 11 10 9 6 28 | 20 27 40 36%42 39 33%30 IF IF IF IF IF IF IF IF%16 8 8 5 8 12 15 18 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 1 1 1 02 | 1 1 1 1 3 03 | 2 1 04 | 1 3 1 05 | 1 1 06 | 1 1 1 1 1 07 | 1 1 1 08 | 1 1 1 09 | 1 1 1 1 10 | 1 1 11 | 1 12 | 2 2 1 1 2 13 | 1 1 1 14 | 1 2 15 | 16 | 17 | 18 | 1 1 19 | 1 20 | 21 | 1 5 22 | 1 23 | 24 | 25 | 26 | 27 | 28 | 1 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer :Hirofumi Sugimoto Location : Hachioji, Tokyo, Japan (35.654 N, 139.319 E) Frequency: 53.755 MHz Transmitter Location: Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Antenna : HB9CV 2el. zenith(el.S-N) Receiver: AITEC MRX-50 Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 4 9 4 8 4 0 9 11 8 5 3 3 3 4 0 1 2 0 0 2 3 2 7 4 02 | 5 4 3 8 5 2 3 10 4 6 1 3 6 0 2 1 2 1 0 2 5 4 6 4 03 | 8 13 12 6 5 1 5 3 7 13 6 3 3 2 1 4 1 1 0 1 1 1 8 2 04 | 9 5 6 9 8 7 6 3 5 5 5 4 4 1 4 0 1 0 2 1 1 6 4 3 05 | 3 6 3 5 11 4 6 5 7 6 3 4 7 3 1 4 1 4 1 1 0 3 1 1 06 | 1 1 1 4 3 3 7 6 1 6 2 2 7 1 3 0 2 2 1 0 5 5 2 5 07 | 2 5 5 7 7 2 3 6 5 5 9 11 3 3 1 0 0 1 1 0 2 5 4 4 08 | 5 5 3 6 10 3 9 8 7 10 9 8 6 3 1 1 0 0 2 4 2 1 10 4 09 | 3 6 6 2 7 2 1 8 4 2 4 9 5 3 4 2 0 1 2 2 1 5 4 4 10 | 6 13 4 7 6 2 9 8 0 10 8 3 1 0 2 0 0 0 0 0 2 4 6 9 11 | 7 7 1 7 7 5 9 7 9 2 4 4 7 4 6 2 0 3 0 3 2 3 6 8 12 | 4 5 5 4 8 3 9 3 3 9 14 5 7 3 6 0 0 4 2 2 1 1 2 7 13 | 4 3 8 5 8 4 5 3 3 7 7 4 2 4 4 0 0 3 0 0 4 5 4 3 14 | 10 3 7 3 8 4 7 7 6 3 2 6 6 3 4 3 0 2 1 1 2 1 2 4 15 | 7 3 4 2 7 4 7 6 3 7 7 3 3 3 2 3 1 2 2 3 1 5 3 3 16 | 6 8 8 7 8 9 7 3 6 7 6 2 7 1 0 1 1 0 1 2 2 1 3 4 17 | 7 5 6 6 2 6 3 6 7 11 9 2 5 2 3 0 1 1 0 2 1 1 2 6 18 | 4 4 4 3 3 4 7 6 8 4 6 10 5 3 2 1 0 0 0 0 3 2 2 0 19 | 3 1 2 2 3 0 3 1 4 2 6 6 5 2 3 0 1 1 1 1 1 1 4 4 20 | 7 4 5 4 0 4 4 3 5 7 5 3 9 2 2 1 2 1 1 1 2 3 6 2 21 | 4 8 3 8 7 6 11 6 5 6 6 2 4 4 3 1 1 1 1 3 3 5 2 5 22 | 4 7 2 6 4 8 6 3 3 5 4 3 9 4 3 3 1 3 1 2 2 4 3 2 23 | 3 1 6 3 8 3 5 7 5 1 4 9 6 2 5 2 0 0 1 2 1 2 1 2 24 | 4 1 2 6 2 8 5 6 3 7 4 4 3 5 2 1 1 0 0 3 1 0 6 3 25 | 5 3 5 2 4 3 5 1 9 8 4 7 1 5 5 0 1 0 2 0 4 3 2 2 26 | 3 1 1 2 1 5 4 5 10 6 9 3 8 5 7 3 3 5 0 1 2 2 6 4 27 | 1 6 2 9 4 1 11 3 4 6 6 3 5 6 0 1 0 0 1 3 4 4 0 5 28 | 3 5 4 7 6 4 6 10 4 6 4 9 2 1 2 4 0 0 1 1 1 3 4 7 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 1 03 | 1 04 | 2 05 | 1 06 | 1 2 07 | 08 | 09 | 10 | 1 1 11 | 12 | 1 1 13 | 1 14 | 15 | 1 1 16 | 17 | 18 | 19 | 20 | 1 21 | 22 | 23 | 1 1 24 | 25 | 26 | 27 | 28 | 1 1 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Frequency: 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 -- Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 7 5 3 9 3 9 4 5 6 8 9 8 7 4 8 4 1 1 5 5 3 5 12 4 02 | 3 5 1 2 4 6 1 1 4 8 5 5 4 7 3 1 2 2 1 2 4 5 2 11 03 | 9 8 11 8 7 6 8 5 4 11 6 10 10 10 3 3 2 1 2 3 5 6 10 5 04 | 5 5 5 3 16 8 11 5 8 5 8 8 4 7 5 2 2 4 7 3 6 7 6 7 05 | 4 9 4 8 4 7 9 12 11 11 8 5 5 7 7 3 1 0 5 1 4 1 3 4 06 | 6 4 3 7 7 8 7 5 12 10 8 9 9 6 8 0 4 2 2 3 5 7 7 9 07 | 8 5 5 7 6 3 4 9 4 2 13 4 5 1 1 5 3 0 2 1 4 8 6 7 08 | 5 10 7 2 6 6 3 9 10 11 8 8 8 5 2 1 3 2 3 5 6 6 6 5 09 | 3 4 4 4 6 8 8 7 17 7 10 3 8 3 2 4 5 3 3 1 5 7 6 5 10 | 7 7 8 9 5 8 6 8 10 6 5 6 3 2 2 1 0 0 0 0 2 2 4 9 11 | 10 6 11 8 5 9 4 11 10 12 12 5 8 6 3 6 3 1 1 6 10 5 17 3 12 | 9 6 5 5 8 1 7 7 13 10 11 14 5 2 1 4 3 0 1 3 4 7 9 7 13 | 10 7 7 10 6 12 5 9 9 7 8 6 2 2 0 2 3 3 3 2 3 3 9 3 14 | 8 3 8 5 3 6 7 8 6 5 7 5 1 4 3 3 2 5 0 4 5 6 10 10 15 | 5 5 8 6 6 9 8 5 5 10 8 4 7 2 5 1 4 0 2 2 4 4 7 6 16 | 4 3 5 5 4 2 2 9 16 5 6 5 6 4 4 5 3 4 3 3 7 5 3 5 17 | 10 10 5 4 7 3 8 4 13 9 8 8 7 5 3 5 4 7 2 1 4 8 6 3 18 | 4 5 2 6 7 4 5 9 6 9 6 4 2 4 6 4 0 1 4 1 5 10 8 12 19 | 2 10 6 3 6 8 12 9 11 9 7 5 6 5 5 5 2 2 2 2 1 6 9 6 20 | 4 5 8 4 8 7 4 17 12 7 6 3 9 6 2 0 2 3 1 1 6 10 9 8 21 | 6 7 10 7 8 2 8 4 6 5 10 6 2 3 2 3 2 1 1 1 2 2 7 5 22 | 5 9 6 5 3 3 5 11 5 10 1 5 5 4 3 1 1 2 3 5 4 3 4 4 23 | 2 4 5 0 7 5 6 6 3 11 7 4 4 6 4 3 2 2 3 2 0 5 9 3 24 | 2 3 4 5 9 4 6 6 8 9 7 6 3 6 6 1 4 1 2 2 4 4 9 4 25 | 2 3 7 6 3 3 5 15 12 7 6 4 7 5 12 3 1 3 3 2 4 5 7 4 26 | 3 3 9 4 8 4 5 13 14 6 7 5 3 5 1 4 4 2 1 2 3 12 10 4 27 | 5 6 10 10 6 7 10 4 11 5 7 11 1 3 1 3 2 2 2 2 4 6 2 11 28 | 5 5 3 12 6 5 4 12 14 8 10 8 4 7 0 3 1 1 2 2 3 9 3 4 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 1 02 | 03 | 1 1 1 04 | 05 | 1 1 06 | 1 2 2 1 1 07 | 08 | 09 | 10 | 1 11 | 1 12 | 1 13 | 2 14 | 1 15 | 16 | 1 1 17 | 18 | 19 | 20 | 21 | 22 | 23 | 1 24 | 1 1 25 | 1 26 | 27 | 28 | ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer: Hironbu Shida Location: Akita, Akita, Japan (140.1 E, 39.4 N) Frequency: 53.755 MHz Transmitter Location:@ Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Antenna : HB062FDX Receiver : AITEC MRX-50 Method : by using MROFFT software (by Michinari Yamamoto) manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 2 0 0 0 0 0 1 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 1 0 0 0 2 0 2 0 0 0 0 0 0 0 0 0 0 3 5 0 05 | 2 1 2 0 0 0 0 0 1 1 1 2 0 1 0 0 2 0 0 0 0 %0 2 1 06 | 1 2 0 1 1 1 2 2 0 0 0 0 0 0 0 0 0 0 0 %0 0 0 2 0 07 | 1 2 0 0 0 0 1 0 0 0 1 1 0 0 0 2 0 0 0 0 0 0 2 4 08 | 1 0 0 1 0 1 1 0 1 %0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 09 | 0 4 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 10 | 0 0 0 0 1 0 0 1 2 2 2 1 0 0 0 0 0 0 1 %0 0 0 0 0 11 | 0 1 3 1 1 1 1 2 1 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 12 | 1 3 4 0 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13 | 1 1 1 1 0 0 3 1 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 14 | 0 0 0 1 1 0 0 0 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 15 | 0 0 0 0 0 %0 0 0 0 3 0 0 0 1 0 0 0 0 0 0 0 0 0 0 16 | 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17 | 1 0 1 1 3 0 0 1 2 1 0 2 0 0 0 0 0 0 0 1 0 0 0 1 18 | 2 1 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 %0 0 0 0 0 0 19 | 0 2 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 20 | 1 1 1 2 1 0 1 0 1 2 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 1 0 1 0 1 0 1 0 0 0 0 0 0 1 0 0 0 23 | 0 0 0 1 3 1 0 1 0 0 0 0 0 0 0 1 %0 0 0 0 0 0 1 1 24 | 2 0 0 1 0 1 0 %1 1 2 1 0 0 0 0 0 0 0 0 3 1 0 2 0 25 | 1 1 0 1 0 0 0 1 1 1 0 1 1 0 0 0 0 0 1 1 1 %0 0 1 26 | 1 0 0 0 0 2 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 27 | 2 1 0 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 28 | 3 1 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 03 | 04 | 1 05 | 06 | 1 1 1 07 | 1 08 | 1 09 | 10 | 11 | 1 12 | 1 1 1 13 | 14 | 15 | 1 16 | 17 | 18 | 19 | 1 1 20 | 21 | 22 | 1 23 | 1 24 | 25 | 1 26 | 27 | 28 | ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer :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 -- Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 1 0 1 0 0 1 2 1 0 0 0 1 1 2 3 1 0 1 0 0 0 0 0 1 02 | 1 0 0 0 0 0 0 8 4 3 6 1 3 2 %0 %1 2 0 0 0 0 0 -- -- 03 | %0 1 1 0 0 0 0 2 2 0 0 1 0 2 2 3 1 0 3 0 0 0 0 0 04 | 1 0 0 0 0 1 1 0 0 3 3 0 3 4 1 3 1 0 0 0 0 0 0 0 05 | 0 0 0 0 0 0 1 0 1 1 %0 0 0 0 0 0 0 0 0 0 0 0 0 0 06 | 0 -- -- -- -- 0 0 0 0 0 0 0 0 8 8 0 0 1 2 1 0 1 0 1 07 | 0 0 0 0 0 0 0 0 1 2 1 0 0 0 0 0 0 0 %0 0 0 0 %0 0 08 | 1 0 0 0 0 0 2 1 3 0 2 2 0 5 1 0 0 0 0 0 0 0 %2 0 09 | 0 0 1 1 0 0 2 2 0 2 7 9 1 6 1 1 0 0 0 0 0 0 0 1 10 | 0 0 %0 0 0 0 0 0 2 4 0 7 0 0 0 0 0 0 3 0 0 0 0 1 11 | 0 0 0 0 0 2 0 0 2 3 0 4 0 1 1 1 0 0 0 0 0 0 0 0 12 | 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 13 | 0 0 0 3 0 0 1 1 0 1 3 4 0 0 3 1 0 1 3 0 1 0 0 0 14 | 0 0 0 0 0 0 3 2 0 0 3 1 1 4 0 1 0 1 0 -- -- -- %0 0 15 | 0 1 0 1 0 0 0 0 1 0 0 2 1 0 0 1 0 0 0 0 -- -- -- -- 16 | -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 17 | -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 18 | -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 0 0 2 0 0 19 | 0 0 0 0 0 2 0 0 0 0 0 0 2 1 0 1 0 2 0 0 0 %0 0 0 20 | 0 1 -- -- 0 0 1 2 2 0 1 1 1 3 3 1 0 4 0 1 0 1 0 0 21 | 0 0 1 0 0 0 0 5 0 0 2 1 1 1 2 3 0 0 2 1 0 0 0 0 22 | 0 0 0 0 0 0 0 0 0 0 2 0 3 6 3 1 3 0 0 0 0 0 0 0 23 | 0 1 0 0 0 0 1 0 0 0 1 2 0 0 5 0 0 0 0 0 0 0 %0 0 24 | 0 0 0 0 0 1 0 0 1 4 1 0 0 0 0 0 2 1 1 0 3 0 0 0 25 | 0 0 0 0 0 1 1 0 3 0 0 1 1 0 2 1 0 0 0 0 0 1 0 0 26 | 0 0 0 0 0 0 %5 0 0 0 0 0 1 2 0 %0 1 0 0 0 0 0 0 0 27 | 0 0 0 0 1 0 1 1 0 0 2 0 1 0 2 0 2 0 0 1 0 0 0 0 28 | 0 0 0 0 0 0 1 3 0 0 2 0 2 1 0 0 0 1 0 0 0 1 0 1 ---+------------------------------------------------------------------------ Feb| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer: Norihiro Nakamura Location: Tsukuba, Ibaraki, Japan (140.1 E, 36.0 N) Frequency: 53.755 MHz Transmitter Location:@ Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Antenna : Dipole Receiver : KENWOOD TH-F7 Method : by using MROFFT software (by Michinari Yamamoto) manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 6 | 3 | 4 | 5 | 3 | 4 | 3 | 7 | 3 |Jan 01 | 1 | 3 | 1 | 0 | 4 | 1 | 0 | 1 | 2 | 0 | 1 | 1 | 1 | 1 | 6 | 2 | 0 | 3 | 1 | 1 | 2 | 1 | 1 | 2 | 02 | 0 | 3 | 2 | 1 | 2 | 0 | 0 | 2 | 0 | 2 | 1 | 2 | 1 | 0 | 5 | 2 | 2 | 6 | 6 | 6 | 1 | 2 | 6 | 4 | 03 | 1 | 3 | 0 | 1 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 8 | 4 | 1 | 3 | 3 | 6 | 5 | 1 | 04 | 3 | 3 | 2 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 3 | 4 | 3 | 2 | 9 | 3 | 4 | 2 | 3 | 05 | 4 | 1 | 2 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 6 | 2 | 1 | 3 | 2 | 3 | 3 | 6 | 4 | 06 | 6 | 2 | 1 | 1 | 1 | 3 | 4 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 5 | 1 | 2 | 1 | 3 | 3 | 1 | 2 | 3 | 2 | 07 | 1 | 1 | 0 | 2 | 3 | 2 | 1 | 0 | 2 | 1 | 3 | 1 | 2 | 0 | 0 | 2 | 3 | 1 | 2 | 3 | 1 | 3 | 2 | 3 | 08 | 1 | 1 | 1 | 3 | 2 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 09 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 4 | 1 | 4 | 2 | 1 | 3 | 3 | 0 | 10 | 2 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 3 | 2 | 3 | 1 | 6 | 4 | 3 | 5 | 3 | 3 | 4 | 1 | 11 | 1 | 3 | 2 | 1 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 2 | 1 | 2 | 8 | 0 | 4 | 0 | 2 | 4 | 1 | 12 | 4 | 0 | 1 | 4 | 0 | 0 | 1 | 1 | 2 | 1 | 2 | 2 | 4 | 1 | 1 | 2 | 2 | 3 | 2 | 5 | 6 | 7 | 3 | 0 | 13 | 4 | 2 | 3 | 4 | 4 | 1 | 1 | 4 | 0 | 1 | 2 | 1 | 2 | 3 | 2 | 5 | 10 | 6 | 3 | 1 | 0 | 5 | 2 | 7 | 14 | 7 | 6 | 1 | 3 | 1 | 1 | 0 | 1 | 0 | 3 | 1 | 0 | 1 | 1 | 1 | 9 | 10 | 3 | 1 | 2 | 4 | 6 | 4 | 3 | 15 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 4 | 2 | 1 | 3 | 5 | 4 | 8 | 6 | 3 | 16 | 3 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 17 |??? |??? |??? |??? |??? |??? | 2 | 0 | 1 | 0 | 0 | 0 | 3 | 1 | 1 | 1 | 0 | 4 | 1 | 1 | 1 | 3 | 1 | 2 | 18 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 5 | 1 | 0 | 1 | 3 | 1 | 1 | 2 | 19 | 1 | 4 | 1 | 0 | 0 | 2 | 1 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 1 | 3 | 2 | 1 | 4 | 2 | 1 | 4 | 6 | 5 | 20 | 5 | 5 | 0 | 2 | 3 | 2 | 1 | 2 | 4 | 0 | 0 | 1 | 1 | 2 | 2 | 1 | 3 | 4 | 7 | 1 | 5 | 5 | 2 | 1 | 21 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 4 | 1 | 4 | 3 | 1 | 2 | 22 | 2 | 2 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 7 | 1 | 3 | 6 | 3 | 3 | 3 | 3 | 23 | 2 | 3 | 4 | 4 | 2 | 2 | 2 | 0 | 2 | 0 | 0 | 2 | 2 | 1 | 0 | 2 | 0 | 4 | 2 | 1 | 2 | 2 | 3 | 3 | 24 | 2 | 1 | 0 | 1 | 2 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 3 | 1 | 2 | 2 | 2 | 3 | 2 | 2 | 25 | 5 | 1 | 0 | 1 | 1 | 2 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 3 | 1 | 2 | 0 | 1 | 26 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 1 | 2 | 3 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 3 | 4 | 1 |??? |??? |??? |??? |??? | 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |Jan 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 1 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 17 |??? |??? |??? |??? |??? |??? | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 |??? |??? |??? |??? |??? | 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT note: ???: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer : Hirotaka Otsuka Location : Hirakata, Osaka, Japan (135.7 E, 34.9 N) Frequency: 53.755 MHz Antenna : 2el-HB9CV, 4mH (90-270 Azimuth(East-West), 90elevation) Transmitter Location: Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Reciever: YAESU FT-690 Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |Jan 01 | 2 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 02 | 3 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 04 | 2 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 05 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 06 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 07 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 08 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 11 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 14 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 16 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 17 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 18 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 1 | 0 | 20 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 21 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 23 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 26 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 27 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 28 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Jan 01 | 2 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 2 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 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 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT 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 -- Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 6 | 11 | 6 | 15 | 12 | 7 | 5 | 7 | 4 |Jan 01 | 12 | 3 | 6 | 12 | 1 | 5 | 2 | 9 | 8 | 4 | 4 | 4 | 1 | 3 | 6 | 5 | 6 | NS | 9 | 12 | 13 | 11 | 11 | 12 | 02 | 8 | 9 | 10 | 4 | 7 | 9 | 9 | 7 | 2 | 6 | 3 | 5 | 6 | 8 | 5 | 9 | 14 | 7 | 11 | 10 | 8 | 7 | 7 | 11 | 03 | 6 | 6 | 11 | 8 | 5 | 6 | 5 | 3 | 6 | 6 | 2 | 4 | 2 | 1 | 6 | 5 | 14 | NS | 11 | 17 | 4 | 5 | 8 | 7 | 04 | 5 | 6 | 6 | 13 | 5 | 6 | 4 | 6 | 6 | 0 | 4 | 4 | 2 | 7 | 7 | 6 | 9 | 11 | 12 | 11 | NS | 6 | 6 | 4 | 05 | 13 | 8 | 11 | 5 | 6 | 8 | 2 | 5 | 5 | 7 | 1 | 2 | 3 | 5 | 8 | 4 | 7 | 11 | 9 | 11 | 6 | 7 | 11 | 6 | 06 | 7 | 13 | 13 | 8 | 7 | 5 | 9 | 4 | 0 | 3 | 3 | 4 | 4 | 3 | 4 | 2 | 6 | 5 | 10 | 10 | 8 | 8 | 7 | 9 | 07 | 12 | 9 | 9 | 3 | 9 | 8 | 10 | 13 | 6 | 7 | 11 | 7 | 4 | 5 | 5 | 9 | 10 | 10 | 13 | 13 | 12 | 15 | 11 | 16 | 08 | 17 | 15 | 11 | 12 | 9 | 6 | 2 | 4 | 6 | 2 | 4 | 6 | 2 | 2 | 8 | 8 | 9 | 11 | 14 | 14 | 6 | 4 | 6 | 8 | 09 | 6 | 5 | 7 | 5 | 5 | 6 | 6 | 4 | 7 | 4 | 6 | 4 | 9 | 4 | 4 | 3 | 14 | 9 | 5 | 9 | 7 | 16 | 12 | 7 | 10 | 3 | 9 | 11 | 10 | 12 | 1 | 3 | 2 | 3 | 3 | 4 | 4 | 4 | 1 | 7 | 8 | 11 | NS | 6 | 11 | 6 | 8 | 10 | 7 | 11 | 7 | 9 | 4 | 11 | 7 | 3 | 5 | 2 | 3 | NS | 2 | 1 | 5 | 3 | 8 | 12 | 6 | 13 | 12 | 8 | NS | 10 | 4 | 4 | 12 | 6 | 8 | 6 | 6 | 8 | 8 | 9 | 10 | 8 | 3 | 6 | 4 | 3 | 6 | 6 | 4 | 8 | 11 | IF | 7 | 15 | 18 | 12 | 19 | 13 | 14 | 3 | 9 | 5 | 5 | 5 | 4 | 8 | 3 | 7 | 4 | 3 | 0 | 4 | 15 | 12 | 8 | 12 | 11 | 9 | 8 | 4 | 7 | 7 | 14 | 6 | 6 | 10 | 10 | 12 | 4 | 1 | 3 | 6 | 5 | 1 | 3 | 2 | 6 | 1 | NS | 12 | 5 | 5 | 8 | 6 | 8 | 6 | 2 | 15 | 1 | 4 | 6 | 10 | 6 | 4 | 8 | 3 | 5 | 4 | 1 | 1 | 4 | 4 | 2 | 6 | 5 | 5 | 6 | 6 | 7 | 9 | 6 | 8 | 16 | 9 | 4 | 5 | 5 | 3 | 5 | 2 | 3 | 2 | 1 | 5 | 2 | NS | 1 | 4 | 5 | 2 | 4 | 13 | 9 | 9 | 13 | 9 | 7 | 17 | 7 | 4 | 3 | 6 | 7 | 7 | 4 | 3 | 1 | 2 | 3 | 3 | 6 | 3 | 2 | 4 | 15 | NS | 7 | 7 | 7 | 5 | 4 | 7 | 18 | 12 | 9 | 2 | 8 | 5 | 3 | 5 | 3 | 4 | 8 | 0 | 3 | 3 | 3 | 4 | 7 | 8 | 8 | 13 | 6 | 9 | 8 | 8 | 7 | 19 | 7 | 8 | 6 | 11 | 10 | 9 | 7 | 8 | 4 | 3 | 0 | 2 | 1 | 4 | 2 | 5 | NS | 4 | 4 | 1 | 3 | 8 | 5 | 7 | 20 | 5 | 5 | 3 | 10 | 10 | 6 | 3 | 1 | 4 | 4 | 5 | 5 | 2 | 3 | 3 | 6 | 2 | 5 | 12 | 6 | 5 | 6 | 8 | 7 | 21 | 5 | 6 | 7 | 6 | 7 | 2 | 5 | 3 | 1 | 5 | 2 | 7 | 4 | 1 | 5 | 10 | NS | 2 | 5 | 1 | 4 | 6 | 4 | 8 | 22 | 4 | 3 | 3 | 3 | 4 | 3 | 4 | 4 | 2 | 3 | 4 | 2 | 3 | 0 | 4 | 0 | 5 | 4 | 10 | 12 | 8 | 4 | 6 | 5 | 23 | 4 | 11 | 8 | 6 | 10 | 2 | 5 | 2 | 9 | 7 | 7 | 4 | 1 | 2 | 6 | NS | 5 | 7 | 10 | 10 | 6 | 9 | 6 | 6 | 24 | 8 | 4 | 8 | 10 | 7 | 3 | 1 | 2 | 2 | 4 | 5 | 1 | 3 | 2 | 5 | 2 | NS | NS | 9 | 15 | 3 | 8 | 6 | 2 | 25 | 9 | 2 | 7 | 8 | 9 | 8 | 8 | 4 | 3 | 5 | 3 | 3 | 5 | 4 | 3 | 5 | 1 | 6 | 11 | 3 | 10 | 1 | 12 | 6 | 26 | 8 | 5 | 7 | 13 | 7 | 7 | 3 | 3 | 0 | 3 | 3 | 3 | 4 | 0 | 2 | 6 | 8 | 14 | 15 | 7 | 15 | 7 | 9 | 4 | 27 | 5 | 8 | 7 | 5 | 4 | 8 | 7 | 5 | 4 | 5 | 4 | 6 | 3 | 7 | 5 | 12 | 11 | 8 | 10 | 15 | 8 | 7 | 2 | 8 | 28 | 8 | 7 | 12 | 16 | 7 | 9 | 5 | 5 | 6 | 7 | 3 | 8 | 10 | 4 | 11 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Jan 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 2 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 2 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | NS | 1 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | IF | 0 | 0 | 0 | 1 | 0 | 13 | 0 | 0 | 0 | 0 | 1 | 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 | NS | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | NS | 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 | 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 | 1 | 1 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT 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 -- Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 10 | 21 | 24 | 28 | 26 | 26 | 18 | 26 | 16 |Jan 01 | 17 | 8 | 24 | 16 | 12 | 11 | 0 | 10 | 6 | NS | 14 | 8 | 10 | 8 | 12 | 12 | 22 | 24 | 27 | 17 | 25 | 13 | 17 | 21 | 02 | 10 | 8 | 13 | 15 | 15 | 5 | 13 | 12 | 6 | 5 | 10 | 8 | 10 | 12 | 22 | 21 | 22 | 20 | 15 | 17 | 21 | 17 | 18 | 18 | 03 | 11 | 12 | 17 | 14 | 9 | 16 | 10 | 4 | 9 | 7 | 3 | 6 | 7 | 9 | 19 | 17 | 21 | 18 | 26 | 24 | 22 | NS | NS | NS | 04 | NS | 13 | 16 | 16 | 13 | 13 | 10 | 8 | 7 | 10 | 7 | NS | 14 | 12 | 14 | 12 | 18 | 14 | 23 | 19 | 18 | 20 | 14 | 9 | 05 | 17 | 16 | 17 | 15 | 15 | 6 | 10 | 11 | 5 | 8 | 3 | 4 | 8 | 12 | 10 | 14 | 15 | 20 | 24 | 23 | 17 | 13 | 18 | 14 | 06 | 16 | 20 | 17 | 5 | 5 | 13 | 9 | 5 | 5 | 4 | 4 | 9 | 2 | 10 | 12 | 22 | 19 | 16 | 21 | 28 | 27 | NS | 14 | 11 | 07 | 11 | 13 | 15 | 13 | 20 | 10 | 5 | 7 | 4 | 3 | 4 | 5 | 3 | 11 | 13 | 17 | 16 | 22 | 21 | 24 | 24 | 14 | 16 | 24 | 08 | 14 | 13 | 19 | 19 | 21 | 12 | 3 | 8 | 8 | 4 | 6 | 11 | 7 | 12 | 12 | 18 | 19 | 18 | 26 | 24 | 17 | 14 | 12 | 13 | 09 | 9 | 17 | 15 | 9 | 8 | 8 | 6 | 5 | 4 | 5 | 4 | 3 | 5 | 8 | 13 | 9 | 15 | 15 | 19 | 16 | 14 | 18 | 22 | 14 | 10 | 16 | 17 | 17 | 19 | 12 | 6 | 5 | 4 | 3 | 4 | 5 | 7 | 5 | 8 | 10 | 11 | 15 | 22 | 22 | 24 | 27 | 20 | 16 | 11 | 11 | 14 | 13 | 9 | 15 | 17 | 8 | 14 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 12 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 6 | 8 | 12 | 12 | 19 | 25 | 24 | 16 | 21 | 19 | 18 | 21 | 13 | 23 | 16 | 19 | 16 | 16 | 15 | 4 | 10 | 6 | 6 | 7 | 7 | 6 | 14 | 12 | 12 | 15 | 19 | NS | 19 | 23 | 19 | 16 | 17 | 14 | 17 | 30 | 19 | 14 | 17 | 13 | 0 | 4 | 6 | 8 | 3 | NS | NS | NS | NS | NS | NS | NS | NS | NS | 12 | 18 | 10 | 10 | 15 | NS | IF | 8 | 20 | 12 | 6 | 8 | 2 | 5 | 3 | 2 | 1 | 4 | 8 | 11 | 18 | 21 | 18 | 17 | 17 | 19 | 14 | 13 | 18 | 16 | 18 | 13 | 12 | 14 | 11 | IF | 6 | 7 | 2 | 3 | 5 | 7 | 3 | 5 | 7 | 8 | 16 | 10 | 24 | 19 | 18 | 16 | 16 | 20 | 17 | 25 | 19 | 16 | 21 | 16 | 10 | 5 | 8 | 0 | 3 | 7 | 2 | 9 | 6 | 10 | 17 | 26 | 18 | 22 | 14 | 17 | 13 | 15 | 13 | 18 | 18 | 16 | 14 | 20 | 16 | 14 | 16 | 7 | 5 | 8 | 2 | 6 | 4 | 8 | 9 | 15 | 27 | 21 | 29 | 25 | 21 | 21 | 19 | 17 | 19 | 19 | 17 | 19 | 8 | 13 | 13 | 14 | 12 | 3 | 4 | 0 | 5 | 7 | 6 | 12 | 13 | 21 | 22 | 16 | 25 | 13 | NS | 14 | 17 | 20 | 15 | 14 | 14 | 13 | 15 | 15 | 3 | 8 | 10 | 9 | 5 | 5 | 3 | 7 | 16 | 15 | 17 | 23 | 25 | 13 | 19 | 25 | 16 | 13 | 21 | 17 | 13 | 23 | 13 | 21 | 9 | 4 | 6 | 1 | 2 | 4 | 4 | 7 | 4 | 10 | 11 | 11 | 14 | 17 | 16 | 19 | NS | NS | 15 | 22 | 12 | 14 | 11 | 13 | 13 | IF | 4 | 10 | 6 | 3 | 5 | 3 | 9 | 7 | 8 | 10 | 16 | 15 | 17 | 24 | 21 | 24 | 15 | 14 | 23 | 14 | 10 | 16 | 13 | 14 | 7 | 5 | 4 | 10 | 7 | 7 | NS | 2 | 6 | 9 | 12 | 15 | 20 | 18 | 16 | 21 | 19 | 11 | 9 | 24 | 20 | 17 | 19 | 9 | 8 | 8 | 6 | 4 | 6 | 7 | 3 | 4 | 4 | 6 | 13 | 18 | 21 | 22 | 22 | 23 | 21 | 14 | 17 | 9 | 25 | 16 | 15 | 11 | 12 | 9 | 16 | 8 | 7 | 8 | 5 | 7 | 5 | 9 | 5 | 13 | 10 | 12 | 13 | 13 | 14 | 17 | 8 | 17 | 9 | 26 | 15 | 18 | 14 | 15 | 12 | 10 | 4 | 1 | 4 | 4 | 1 | NS | 7 | 10 | 8 | 13 | 15 | 17 | 23 | 14 | 23 | 16 | 12 | 8 | 27 | 11 | 22 | 16 | 15 | 7 | 9 | 6 | 9 | 3 | 5 | 9 | 9 | 6 | 15 | 7 | 18 | 22 | 16 | 23 | 23 | 10 | 18 | 13 | 14 | 28 | 14 | 13 | 13 | 22 | 18 | 10 | 5 | 7 | 4 | 4 | 2 | 7 | 11 | 5 | 8 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Jan 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | NS | NS | NS | 04 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 06 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 12 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 13 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 1 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 15 | NS | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | NS | 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 | NS | NS | 0 | 22 | 0 | 0 | 0 | 0 | 0 | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 27 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Feb| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT 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 2023.03.05