Radio Meteor Observation in Japan No.293 March 2026 - English : https://www.iprmo.org - Japanese: https://jpn.iprmo.org ----------------------------------------------------------------------------- Observer : Kenji Fujito Location : Yokkaichi, Mie, Japan (34.96 N, 136.61 E) Frequency: 53.100 MHz (50W JA2SDA, Toyokawa, Japan) Transmitter Location:　 HAM beacon (JA2SDA 50 W CW, 53.100 MHz), Toyokawa, Aichi, Japan Antenna : 2el. Comet HB9CV, zenith Receiver: SMArtRTL-SDRv5 53,099,100MHz 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 | 6 10 8 17 16 11 17 10 11 10 14 11 11 4 3 0 2 3 1 2 1 5 5 6 02 | 12 19 15 18 13 15 10 11 11 12 8 8 6 8 5 2 1 1 3 1 3 6 7 3 03 | 7 10 15 15 14 10 17 8 6 16 5 9 8 7 8 2 1 1 1 3 2 2 4 7 04 | 11 14 13%10 15 13 12 7 13 11 9 13 12 14 5 2 4 2 3 2 5 3 8 6 05 | 7 11%19 18 25 15 15 17 13 11 9 10 11 11 7 4 2 1 2 0 6 5 5 9 06 | 8%17 16 20 25 10 17 17 15 9 9 12 7 7 5 8 4 3 4 2 0 4 8 7 07 | %6 10 11 7 21 12 12 14 15 5 4 13 8 10 8 4 2 1 0 0 3 1 5 6 08 | 7 13 14 20 7 12 14 13 10 8 4 6 10 6 3 4 4 4 3 4 4 6 5 10 09 | 13 19 17 19 20 16 14 9 16 13 19 7 15 7 7 2 4 3 0 0 6 4 12 %4 10 | 7 17 14 24 9 7 12 9 6 7 10 9 12 3 6 4 3 %2 %3 2 4 7 3 5 11 | 7 11 15 16 14 21 15 7 14 8 9 12 6 4 2 3 4 0 2 2 7 4 5 %7 12 | 10 15 13 20 30 20 13 9 9 3 10 8 8 12 8 0 2 2 1 4 4 3 9 9 13 | 6 19 14 14 18 10 18 17 18 13 8 15 5 4 3 4 2 2 1 0 4 6 5 5 14 | 10 13 10 18 9 19 15 7 7 6 11 14 11 6 7 1 1 0 1 5 5 6 12 12 15 | 12 14 13 18 17 10 10 15 8 12 7 9 10 9 5 5 4 2 0 3 3 11 8 8 16 | 7 21 15 16 13 9 9 10 8 11 8 10 7 3 %3 NS NS %7 0 1 1 4 6 8 17 | 6 17 22 19 24 19 12 12 7 7%14 7 11 6 7 5 1 2 2 2 1 %7 6 10 18 | 15 11 19 13 10 15 7 8 8 9 8 10 7 12 6 3 %0 0 4 2 %5 7 11 11 19 | 6 11 16 10 6 12 13 7 15 6 8 5 11%11 8 2 1 2 0 1 4 9 7 12 20 | 19 13 19 19 24 16 18 %9 11 20 11 9 12 11 4 4 5 3 3 1 1 6 5 6 21 | 15 18%16 14 17 11 13 8 15 8 7 7 8 7 4 3 1 0 1 1 5 5 6 7 22 | 7 17 22 14 14 12 11 17 11 9 12 7 3 9 6 %4 1 3 0 5 2 8 1 %4 23 | 8 10 19 11 17 14 16 11 7 8 7 7 8 12 4 1 3 %0 %2 3 3 4 %2 8 24 | 13 18 11 18 20 11 6 9 8 7 8 15 6 3 7 2 1 0 0 2 1 5 %7 9 25 | 9 13 19 14 15 16 10 10 5 4 11 4 13 9 4 2 3 1 1 2 3 2 6 11 26 | 14 12 19 15 9 12 8 12 3 10 15 12 8 7 5 6 8 4 %1 2 6 6 3 4 27 | 14 15 14 14 14 16 14 12 11 9 8 9 8 7 8 2 5 %5 2 3 0 2 5 13 28 | 10 9 16 7 15 11 16 8 13 9 9 10 9 9 4 3 1 1 2 3 1 5 6 9 29 | 12 7 9 15 18 14 12 %2 %1%12 5 %5 %6 6 %5 %3 0 2 1 1 2 6 4 8 30 | 15 10 14 17 12 5 14 6 6 10 6 8 12 1 5 2 4 1 2 2 0 2 6 9 31 | 10 18 11 13 15 9 7 7 5 10 5 4 6 6 5 1 1 2 2 1 2 4 6 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 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 | 1 09 | 10 | 11 | 12 | 13 | 14 | 1 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 1 23 | 24 | 25 | 26 | 27 | 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 : Tuboi Observatory[TSUBOI MASAKI] Location : Asakitaku,Hiroshimashi,JAPAN (34.45 N, 132.50 E) Frequency: 53.372 MHz Antenna : 2el. HB9CV Az:60deg. horizon. Transmitter Location: HAM beacon (JE3AKE) (50W CW, 53.372MHz) 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 | 2 4 1 6 7 6 9 6 6 4 4 4 1 %3 3 2 0 0 0 0 5 3 0 4 02 | 1 3 3 1 1 1 8 5 1 3 3 6 4 3 1 1 0 1 0 0 0 0 1 1 03 | 1 0 0 1 0 0 2 3 2 1 1 1 3 4 1 1 1 0 1 0 1 3 2 4 04 | 3 0 3 3 4 2 1 3 3 3 2 0 1 3 2 0 1 0 0 1 0 0 2 1 05 | 2 1 1 1 3 2 3 5 5 8 4 0 10 3 2 1 2 0 0 0 %2 3 1 0 06 | 2 1 4 5 2 2 0 6 2 4 5 3 0 2 3 1 1 0 1 1 0 1 1 0 07 | 3 3 3 2 0 3 5 3 4 1 6 4 2 5 3 1 0 0 2 0 0 1 2 0 08 | 1 0 3 3 1 3 5 6 6 4 2 2 2 1 2 0 1 1 0 0 2 5 3 3 09 | 3 3 2 1 4 2 2 6 1 4 6 4 6 1 1 1 1 0 0 1 3 0 0 2 10 | 0 1 3 0 0 0 1 2 1 3 0 2 2 3 4 %4 %0 0 0 1 0 2 2 1 11 | 2 1 4 2 3 3 0 4 0 2 2 2 1 3 4 1 0 0 1 4 3 0 1 0 12 | 2 3 1 4 2 4 3 4 2 3 1 4 2 2 1 3 0 2 2 2 2 0 0 2 13 | 1 0 4 1 2 3 0 6 2 0 7 0 3 3 0 0 1 1 1 2 2 0 0 2 14 | 0 0 1 2 1 4 3 6 2 3 0 2 0 4 2 2 1 0 1 1 1 6 0 0 15 | 0 0 0 4 3 1 2 1 5 2 0 0 2 1 2 0 4 1 1 %2 1 2 4 1 16 | 2 1 0 2 1 1 5 1 2 0 3 4 1 3 3 2 0 0 0 2 0 1 8 0 17 | 0 1 3 2 1 2 5 1 0 3 0 5 6 1 3 3 1 0 1 3 4 2 4 1 18 | 2 3 2 2 4 1 4 1 2 5 2 5 1 2 2 1 1 4 0 1 0 0 0 2 19 | 1 4 1 1 3 5 2 2 3 2 2 1 1 4 6 2 1 0 3 3 1 1 0 0 20 | 2 4 2 1 3 4 0 2 5 5 2 6 1 1 4 1 0 0 0 3 2 1 1 2 21 | 0 3 1 2 6 2 4 2 1 8 3 0 2 1 0 1 0 0 1 1 -- -- -- -- 22 | -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- %2 23 | 3 4 5 4 2 3 3 5 5 1 2 %0 1 2 0 %0 0 0 0 3 2 2 3 2 24 | 7 2 4 1 3 4 6 2 4 4 1 2 5 1 0 1 1 1 0 0 2 1 1 4 25 | 2 1 1 1 1 2 2 1 2 1 1 4 1 0 2 2 3 0 0 0 1 2 0 1 26 | 1 0 3 2 2 2 3 3 4 1 1 3 3 2 0 0 0 0 0 %3 2 1 1 3 27 | %0 %0 3 %2 1 %2 %2 2 4 2 2 4 0 3 1 2 0 0 2 3 5 5 3 0 28 | 3 5 0 0 3 1 3 3 5 2 1 1 3 1 2 2 1 0 2 3 5 3 6 2 29 | 2 5 4 %4 8 2 3 4 1 6 2 2 1 4 2 3 0 2 1 3 2 1 1 1 30 | 0 3 2 0 6 4 5 5 1 2 1 3 1 2 3 1 1 0 0 0 1 0 0 0 31 | 1 2 0 2 1 0 1 1 2 1 0 4 1 3 1 1 3 2 1 1 2 3 0 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 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 | 10 | 11 | 12 | 13 | 14 | 15 | 1 1 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 1 28 | 29 | 1 30 | 31 | ---+------------------------------------------------------------------------ Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Frequency: 112.000 MHz Transmitter Location: Komatsu-VOR Beacon for Air-flight Antenna : 5el-Yagi Az60deg. 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 | 1 0 0 0 2 2 5 1 1 2 4 0 2 2 4 6 1 1 3 3 1 0 1 2 02 | 0 1 0 0 0 1 5 4 7 3 3 3 1 2 4 4 3 1 0 0 1 2 1 1 03 | 3 2 0 0 1 1 0 1 2 1 2 2 3 3 3 2 1 0 0 0 0 1 0 1 04 | 0 1 1 1 1 0 2 1 3 1 3 0 1 2 3 1 2 1 2 0 1 1 2 0 05 | 1 0 2 2 1 1 5 2 3 3 1 1 0 1 1 4 1 1 %0 0 0 2 0 3 06 | 2 1 4 8 3 1 2 5 3 2 2 4 5 1 2 0 0 2 1 1 0 3 1 1 07 | 3 1 1 2 1 1 2 2 6 6 7 7 7 2 1 1 3 5 2 0 0 1 2 2 08 | 2 0 2 2 4 0 5 2 0 5 2 2 4 4 2 3 1 3 0 0 4 2 2 1 09 | 3 0 3 3 2 0 2 2 6 6 6 4 6 2 6 2 4 0 1 3 1 1 2 3 10 | 2 2 2 1 0 0 2 6 8 3 4 4 3 0 3 1 2 6 1 6 1 2 2 1 11 | 2 3 0 0 3 3 4 4 5 2 2 4 2 1 3 2 5 0 1 0 1 2 0 3 12 | 2 1 0 1 3 2 4 6 4 -- -- -- -- -- -- 1 3 1 0 0 0 0 1 1 13 | 1 2 2 1 2 2 2 1 4 2 4 3 1 0 1 1 1 1 0 1 2 0 1 2 14 | 4 0 0 0 3 1 2 3 2 5 3 4 0 1 0 1 3 1 0 1 2 0 4 0 15 | 3 0 1 0 1 0 2 1 2 3 6 2 3 2 2 3 1 5 0 1 1 0 0 1 16 | 3 5 2 1 1 0 3 2 2 4 5 5 4 1 4 2 5 1 0 2 1 3 0 3 17 | 4 0 0 2 3 3 3 4 2 5 4 1 1 2 1 4 1 3 1 0 3 2 2 1 18 | 3 2 1 1 0 2 2 2 4 1 2 2 5 3 4 0 0 0 2 1 0 1 2 3 19 | 1 0 3 2 1 -- 0 1 3 4 5 4 2 2 2 2 2 2 0 1 1 3 1 4 20 | 4 1 4 2 3 2 0 2 2 1 4 8 1 1 0 0 3 0 3 1 1 0 0 2 21 | 3 2 0 0 2 0 3 1 3 8 2 2 4 1 2 1 3 1 1 2 0 0 2 4 22 | 2 0 2 2 2 4 2 1 0 0 2 2 1 3 2 0 0 1 1 1 1 1 1 3 23 | 2 0 0 0 0 0 2 2 5 3 7 3 1 2 2 10 5 1 0 2 2 0 1 0 24 | 1 0 3 7 1 4 2 3 3 5 3 0 1 1 1 1 0 6 1 0 0 1 2 1 25 | 2 0 1 1 0 2 2 2 2 2 6 2 3 4 4 2 1 0 1 1 2 0 0 1 26 | 3 1 0 1 1 2 2 3 0 5 8 0 3 0 0 2 2 2 1 0 3 1 2 2 27 | 3 1 3 1 2 1 1 2 0 0 2 4 2 1 0 0 3 0 0 2 0 0 1 1 28 | 3 1 0 1 1 1 1 2 6 6 2 4 1 0 3 0 3 2 0 1 1 1 0 2 29 | 2 2 0 2 1 3 3 1 2 4 5 3 4 4 3 0 0 1 1 2 0 1 1 5 30 | 2 2 1 1 2 0 2 3 4 4 2 0 1 0 2 3 3 3 1 1 0 1 2 0 31 | 1 5 2 4 1 6 1 0 3 1 1 0 1 3 1 3 7 2 0 0 3 0 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 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 | 07 | 08 | 1 1 09 | 10 | 11 | 1 12 | 13 | 14 | 1 1 15 | 1 16 | 17 | 18 | 19 | 1 20 | 21 | 1 1 1 22 | 23 | 1 24 | 25 | 26 | 27 | 1 28 | 2 1 29 | 30 | 31 | ---+------------------------------------------------------------------------ Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST 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: 53.372 MHz Transmitter Location: HAM beacon (JE3AKE) (50W-100W CW, 53.372MHz) Antenna : HB9CV 3el. Az:240deg. horizon. Receiver: RTL-SDR HDSDR Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 9 17 14 18 17 16 18 16 25 13 17 24 10 5 8 4 5 3 0 4 9 18 11 11 02 | 13 12 15 19 18 16 15 21 16 14 17 13 9 9 8 2 9 10 5 4 5 10 17 21 03 | 12 12 13 21 21 14 12 20 24 13 12 16 7 10 9 4 4 4 3 6 10 13 13%17 04 | 16 10 20 21 16 17 20 18 20 12 7 9 10 9 6 3 7 3 2 5 6 15 10 11 05 | 11 15 15 15 23 16 9 16 16 18 8 14 13 4 12 6 1 4 7 3 9 7 7 20 06 | 13 12 12 15 14 18 17 16 19 14 9 7 6 10 8 3 3 2 5 4 10 13 23 18 07 | 13 14 13 18 24 13 19 22 21 13 7 11 6 5 5 4 3 3 3 4 9 11 20 13 08 | 11 9 13 24 21 16 19 23 22 14 13 9 14 10 11 5 2 5 3 7 15 14 17 16 09 | 12 23 19 18 28 19 15 16 20 17 12 7 13 8 2 10 1 5 3 6 12 6 16 10 10 | 17 16 13 13 15 13 20 18 15 25 20 6 10 9 9 4 5 7 1 9 16 11 13 15 11 | 14 12 24 19 14 25 40 21 25 11 11 12 9 6 11 9 2 3 6 2 11 8 12 18 12 | 20 10 13 21 12 21 22 18 19 20 5 12 7 7 3 3 4 3 7 4 5 14 13 15 13 | 17 13 23 14 26 23 22 21 15 20 15 10 13 3 5 5 8 8 6 10 15 17 12 16 14 | 12 16 27 22 14 30 23 27 25 15 8 10 11 8 6 4 2 0 6 7 13 14 12 10 15 | 9 17 16 25 25 25 19 19 26 20 12 11 6 10 9 6 1 6 6 8 14 13 10 19 16 | 12 18 15 15 28 17 18 26 16 20 17 10 7 %8 -- -- -- -- %6 6 9 9 18 18 17 | 12 16 24 11 32 22 30 20 10 11 12 5 10 11 9 9 3 9 4 9 9 16 16 18 18 | 16 14 16 21 25 22 20 23 25 21 14 6 7 8 5 3 7 2 6 6 11 15 23 18 19 | 22 11 8 14 18 16 18 13 22 15 7 11 13 4 5 2 1 7 7 10 11 13 19 12 20 | 13 10 18 24 21 24 23 19 21 14 13 7 8 3 5 7 6 3 8 8 7 19 21 12 21 | 10 15 11 18 22 19 18 25 25 15 7 10 7 7 6 4 5 3 6 5 13 9 15 14 22 | 8 15 22 22 18 25 24 20 23 13%20 12 8 4 3 9 5 5 2 5 9 12 14 15 23 | 26 12 17 22 17 19 22 16 14 20 24 5 6 5 7 1 6 3 2 9 11 15 13 21 24 | 15 19 11 20 21 16 18 22 13 12 19 12 11 8 4 5 2 3 7 3 7 19 17 24 25 | 14 16 22 24 25 25 24 27 25 17 15 13 8 7 7 8 7 7 6 3 14 13 18 25 26 | 23 23 31 28 24 20 29 28 20 12 12 10 9 4 7 9 11 8 7 7 7 16 13%12 27 | 14 17 25 20 16 20 31 26 19 13 15 18 9 9 4 2 1 2 5 11 14 16 16 16 28 | 21 20 18 21 25 20 21 22 14 18 7 8 7 9 6 10 6 4 6 6 5 12 13 15 29 | 16 26 16 15 31 19 19 22 9 18 14 11 10 6 7 6 4 8 8 8 17 9 17 19 30 | 17 22 12 19 22 21 24 27 19 16 8 8 9 4 6 3 1 5 7 13 15 12 17 13 31 | 19 16 19 18 19 23 13 19 27 15 8 11 6 8 10 3 4 4 7 6 12 13 14 18 ---+------------------------------------------------------------------------ Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 1 03 | 04 | 1 05 | 06 | 07 | 1 08 | 09 | 1 10 | 1 11 | 1 12 | 1 13 | 14 | 1 15 | 1 16 | 1 17 | 18 | 19 | 20 | 1 21 | 22 | 1 1 1 23 | 1 24 | 1 25 | 26 | 1 1 27 | 28 | 1 29 | 2 30 | 1 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 Frequency: 115.300 MHz Transmitter Location: Wakkanai-VOR at Wakkanai city (141.8 E, 45.4 N) VOR Beacon for Air-flight (200W 30Hz AM, 115.300 MHz) Antenna : 5el-Yagi Horizon Receiver: AIRSPYmini Method : by using SpecrumLab software, 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 1 4 6 9 5 4 %2 %6 4 1 4 5 3 2 %1 %1 2 2 3 3 2 6 3 02 | 1 2 1 2 0 1 2 6 5 5 8 6 11 10 3 4 4 5 6 6 2 5 5 5 03 | 4 9 11 2 11 11 15 12 12 8 5 7 6 6 3 2 3 5 2 3 6 5 7 7 04 | 7 2 3 3 4 5 8 8 4 3 3 5 6 %2 %5 2 -- %2 -- 2 1 5 4 8 05 | 4 3 4 8 4 3 4 5 3 5 6 4 7 6 6 1 4 5 1 3 3 2 3 4 06 | 5 5 4 7 6 3 5 8 9 3 9 5 2 5 4 1 5 4 6 4 1 5 9 6 07 | 7 5 3 4 6 5 4 4 8 7 5 4 3 5 %4 4 1 4 5 1 5 5 5 5 08 | 9 5 2 1 3 6 5 8 7 11 %4 -- -- -- %5 %3 -- -- -- %3 2 4 3 3 09 | 3 4 5 2 2 3 8 5 2 6 4 6 2 3 6 5 1 1 1 3 0 4 7 4 10 | 3 3 3 5 3 4 3 6 5 6 3 2 2 3 3 1 3 6 8 3 3 3 2 4 11 | 4 3 7 2 6 3 3 5 5 4 3 %4 %5%11 %6 3 1 1 3 4 %5 5 9 5 12 | 4 8 13 10 6 9 14%14 13 13 8 12 6 3 5 -- %5 %1 %4 0 3 2 4 8 13 | 5 4 7 10 5 4 11 10 10 12 8 4 5 8 4 6 2 3 3 1 6 6 5 9 14 | 8 6 6 7 10 %5 7 10%12 6 %7 3 4 3 0 2 4 %1 3 2 1 2 5 3 15 | 4 2 3 1 3 3 4 4 3 6 3 3 4 3 2 2 2 0 2 7 2 3 5 8 16 | 2 2 1 2 3 5 6 2 3 2 3 7 3 4 2 3 3 2 0 2 3 3 3 4 17 | 4 1 0 2 3 1 4 8 2 9 2 3 0 2 4 3 0 0 3 0 0 4 5 %2 18 | 4 1 1 2 5 6 6 4 3 12 5 2 2 2 1 5 3 1 1 2 3 2 3 3 19 | 1 2 3 8 7 4 3 2 7 4 2 3 4 3 5 1 2 3 0 3 2 4 2 3 20 | 4 3 3 5 4 6 5 3 4 4 2 4 3 3 3 1 0 0 2 2 3 1 4 5 21 | 2 2 2 4 4 1 6 3 6 9 5 6 5 3 4 1 0 3 1 1 5 4 1 7 22 | 2 4 3 6 6 7 4 7 8 8 7 3 2 1 1 1 1 1 2 2 5 2 6 1 23 | 4 6 4 6 7 1 4 4 9 3 6 3 3 4 1 0 1 0 2 1 5 3 1 4 24 | 1 5 3 2 5 8 7 5 4 5 4 4 3 3 5 %6 -- %2 2 3 1 3 1 8 25 | 2 4 0 2 3 3 6 9 3 4 4 3 4 5 3 7 6 3 5 2 2 1 6 7 26 | 7 3 3 5 2 4 4 4 5 9 4 5 5 2 1 2 4 4 2 1 5 4 3 2 27 | 3 4 8 3 5 5 3 7 7 5 5 1 2 6 1 1 2 1 0 0 2 2 6 2 28 | 0 3 5 2 2 8 5 13 9 2 7 3 1 0 4 2 2 1 2 2 5 4 4 3 29 | 2 3 4 2 3 3 1 10 10 10 1 6 6 7 6 2 2 2 0 2 5 2 3 5 30 | 2 6 3 4 1 6 2 3 8 4 4 6 3 7 3 2 2 5 1 3 5 1 4 5 31 | 1 3 2 2 6 3 5 4 11 3 7 6 5 3 1 1 4 1 3 1 3 3 2 6 ---+------------------------------------------------------------------------ Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 1 28 | 29 | 30 | 31 | ---+------------------------------------------------------------------------ Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST 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 :Matsuda Masahiko Location : Kawaguchi-city SAITAMA JAPAN(139.71E, 35.82N) Frequency: 53.372 MHz Transmitter Location: HAM beacon (JE3AKE) (50W-100W CW, 53.372MHz) Antenna : 2ele HB9CV Ant. 12mH WEST Receiver: ICOM IC-R75 USB -- 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 3 0 1 1 1 1 4 2 2 0 0 0 1 0 0 0 1 1 3 2 0 02 | 2 0 2 1 3 1 1 3 1 1 2 2 4 2 1 1 2 1 0 1 1 1 1 1 03 | 1 1 1 0 3 3 1 4 2 3 1 1 0 0 0 1 1 1 1 2 3 0 0 0 04 | 0 1 1 1 0 2 0 0 4 3 3 1 1 2 1 1 1 0 1 0 1 2 %1 -- 05 | %0 2 2 0 2 3 0 3 4 3 1 1 1 0 1 1 0 0 1 0 1 1 0 0 06 | 0 2 0 1 0 2 0 3 4 2 1 0 2 2 0 2 0 2 0 0 1 2 5 1 07 | 0 1 0 2 5 2 2 1 3 1 0 0 0 1 0 0 0 0 1 0 1 0 1 2 08 | 1 0 1 1 0 0 1 4 5 1 1 0 0 0 0 0 0 0 0 1 0 1 0 2 09 | 1 0 2 2 1 1 2 2 1 1 1 0 1 1 0 1 0 2 0 0 1 1 1 1 10 | 0 0 0 0 0 2 1 1 1 3 0 1 0 0 0 0 1 1 0 2 3 2 0 0 11 | 2 0 1 1 3 2 7 1 1 3 2 1 0 1 2 1 0 1 2 0 1 3 2 3 12 | 1 0 1 3 2 2 2 0 -- %2 1 0 1 1 3 1 1 0 1 1 1 3 1 1 13 | 2 0 2 2 2 2 5 3 2 2 2 1 3 0 0 0 0 1 0 5 4 0 0 0 14 | 2 3 1 3 1 3 2 6 1 1 2 1 0 0 1 0 1 0 0 0 1 0 1 2 15 | 0 1 3 3 1 2 1 1 2 1 1 0 2 3 1 1 0 1 0 0 0 1 0 2 16 | 0 0 0 1 2 3 0 1 0 12 1 0 1 1 0 1 0 0 1 2 1 0 2 1 17 | 2 4 4 0 1 1 2 1 1 1 0 1 0 0 1 2 0 1 0 2 2 4 0 0 18 | 3 5 1 2 2 2 4 4 1 4 1 1 2 1 2 0 1 1 1 1 0 1 4 3 19 | 1 1 0 1 1 3 3 3 6 2 1 1 1 0 1 2 0 0 2 1 1 3 2 0 20 | 0 0 0 4 0 3 6 3 1 3 0 4 0 1 1 2 1 0 2 2 0 5 0 0 21 | 1 0 2 1 2 2 2 5 1 0 0 0 1 0 0 0 0 0 2 2 1 0 1 2 22 | 0 0 1 1 1 0 2 1 0 0 1 1 0 0 1 0 2 1 0 2 1 2 3 3 23 | 0 1 1 2 1 2 5 1 2 4 0 0 2 1 1 1 0 0 2 3 1 1 0 2 24 | 2 1 2 6 2 1 0 3 0 0 0 0 1 0 0 0 0 0 0 2 1 2 3 2 25 | 0 0 1 3 4 2 4 4 5 1 1 0 1 1 1 5 0 0 1 0 2 1 1 2 26 | 0 1 1 2 0 2 0 3 0 0 2 3 1 1 0 2 2 1 3 1 1 1 3 2 27 | 0 3 0 0 2 2 4 1 1 0 2 1 1 1 1 0 0 0 0 0 2 3 0 0 28 | 3 1 0 1 3 1 2 2 2 2 1 0 1 1 3 3 0 0 1 1 1 2 2 0 29 | 3 1 3 0 2 2 3 5 1 1 1 0 0 0 1 0 0 0 1 0 2 1 1 0 30 | 1 2 0 1 3 2 1 1 3 0 1 0 0 2 0 2 0 0 0 0 0 2 4 1 31 | 1 1 3 0 1 2 1 0 0 2 1 0 1 1 0 1 1 1 2 0 0 0 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 Echoes longer than 20 seconds Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 1 03 | 04 | 1 05 | 06 | 07 | 08 | 09 | 1 10 | 1 11 | 1 1 12 | 1 13 | 14 | 1 15 | 1 16 | 1 1 17 | 18 | 19 | 20 | 1 21 | 22 | 1 23 | 24 | 1 25 | 26 | 1 27 | 28 | 29 | 30 | 1 1 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 : Nobuo Katsura Location : Iwaki, Fukushima, Japan (37.00 N, 140.50 E) Frequency: 53.100 MHz Transmitter Location: HAM beacon (50W JA2SDA, Toyokawa, Japan) Antenna : 1el. DP Hand Mide 6mH＋RFamp Receiver: SDR 820T2 SDR#　PC HPdc7900　win11 -- 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 | 12 7 11 10 17 12 16 8 13 12 13 13 8 2 3 4 2 2 2 2 4 12 11 10 02 | 7 12 16 16 14 10 9 14 17 20 19 6 11 7 8 7 7 4 2 4 5 6 7 4 03 | 8 4 14 3 11 4 13 13 14 7 17 12 7 7 5 1 2 3 2 9 5 10 6 10 04 | 14 6 16 15 13 11 13 5 12 19 9 11 2 7 5 4 3 1 1 4 3 6 6 6 05 | 4 8 12 8 7 11 18 11 18 13 16 18 6 8 4 2 5 7 1 2 13 6 9 10 06 | 5 14 11 10 10 9 5 9 12 12 11 7 11 8 5 9 5 0 1 0 7 8 11 7 07 | 8 3 10 14 15 10 17 18 7 23 14 12 11 9 7 2 5 1 4 5 7 4 9 17 08 | 7 8 12 15 10 5 15 13 8 13 12 10 10 5 3 3 2 2 6 6 7 13 11 8 09 | 15 6 5 14 12 6 14 17 20 18 9 15 13 7 8 7 2 2 4 2 3 6 5 9 10 | 1 10 13 10 12 6 12 16 13 19 9 7 3 2 15 4 4 2 1 5 8 7 10 4 11 | 13 7 13 9 9 14 13 17 22 19 10 13 7 6 8 1 4 4 9 4 8 0 10 12 12 | 13 12 12 13 13 15 10 12 20 11 12 11 13 11 7 5 3 1 6 1 2 10 7 9 13 | 10 7 5 12 15 4 8 17 22 15 12 12 14 8 8 7 6 1 4 4 5 6 16 11 14 | 7 8 16 17 7 14 10 19 13 13 11 11 9 14 10 3 5 5 5 3 7 10 8 12 15 | 13 8 12 18 20 10 13 8 16 8 11 15 6 10 5 6 5 2 3 4 7 4 9 8 16 | 9 13 15 13 11 10 9 11 8 8 6 9 8 12 IF IF IF 6 3 5 7 5 7 7 17 | 6 7 5 8 10 10 18 12 14 8 11 7 3 6 1 4 3 2 1 5 2 9 6 9 18 | 8 11 12 8 12 9 7 20 11 16 10 9 10 7 8 7 3 2 4 6 8 6 9 15 19 | 9 17 22 10 22 10 14 18 22 12 9 11 14 5 8 5 5 3 3 3 7 6 7 6 20 | 4 9 12 17 12 8 21 14 13 11 6 11 10 5 4 9 1 0 3 0 6 15 5 12 21 | 10 12 12 10 12 14 14 15 12 9 14 9 9 11 3 3 2 3 2 6 3 9 11 5 22 | 6 6 8 12 16 6 11 12 10 10 12 13 7 6 5 4 2 2 4 3 4 6 17 13 23 | 11 6 11 16 13 3 9 11 12 12 13 10 11 5 7 6 -- -- 3 3 7 10 12 9 24 | 13 11 11 9 9 11 9 9 13 9 6 11 12 9 9 6 4 1 4 2 5 7 16 9 25 | 11 11 18 9 9 6 13 16 14 9 14 11 12 11 5 5 2 4 2 4 4 11 9 12 26 | 15 16 17 17 16 15 14 27 16 10 19 9 11 11 4 4 4 1 7 4 5 9 9 6 27 | 12 14 11 11 11 6 16 18 9 17 18 12 13 8 0 6 2 0 3 5 7 5 6 6 28 | 13 14 11 11 15 15 6 11 12 16 6 9 8 8 5 4 1 1 3 4 4 4 8 16 29 | 18 7 9 7 11 12 14 15 17 13 11 10 16 11 2 5 4 4 3 4 3 12 5 10 30 | 5 13 14 15 14 12 17 17 16 22 18 15 3 7 9 9 5 8 3 11 8 10 13 4 31 | 15 13 19 13 19 10 13 17 21 22 16 9 13 10 9 17 6 2 0 4 10 10 11 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 | 1 1 1 1 2 1 02 | 1 4 03 | 2 2 1 1 2 04 | 1 1 1 2 1 1 05 | 1 1 2 1 1 1 1 1 06 | 1 1 1 07 | 1 1 1 1 1 1 2 08 | 1 2 1 1 1 1 09 | 1 1 1 1 10 | 1 1 2 1 2 11 | 1 1 2 1 1 1 1 1 2 1 12 | 1 1 3 1 3 1 1 1 13 | 1 1 1 1 1 1 1 14 | 1 1 2 1 2 15 | 1 1 1 1 16 | 1 1 1 17 | 1 1 1 3 1 1 18 | 2 1 1 1 1 1 19 | 1 1 1 3 20 | 2 1 1 1 3 1 21 | 2 1 1 1 22 | 3 1 1 1 1 1 1 23 | 1 2 1 24 | 1 2 1 25 | 1 1 3 1 1 26 | 1 3 2 1 1 1 1 1 27 | 1 1 1 1 1 1 1 28 | 1 1 1 1 29 | 2 1 1 1 1 30 | 1 1 1 1 1 2 31 | 1 2 2 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 : Hiroshi Suzuki Location : Soma, Fukushima, Japan (37.79 N, 140.98 E) Frequency: 52.905 MHz Transmitter Location:　 HAM beacon (50 W CW, 52.905 MHz), Higashimurayama, Tokyo, Japan Antenna : HB9CV (3el.) horizon, dir: south Receiver: RTL-SDR Method : by using HROFFT software (by Kazuhiko Ohkawa) -- 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|JST ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 01 | 4 | 1 | 3 | 4 | 7 | 5 | 4 | 6 | 11 | 9 | 3 | 4 | 4 | 2 | 5 | 1 | 5 | 0 | 6 | 0 | 2 | 1 | 2 | 7 | 02 | 2 | 3 | 5 | 2 | 6 | 6 | 5 | 8 | 18 | 7 | 9 | 1 | 6 | 3 | 5 | 0 | 2 | 9 | 2 | 5 | 2 | 2 | 3 | 3 | 03 | 7 | 4 | 2 | 2 | 4 | 3 | 6 | 3 | 10 | 2 | 2 | 2 | 1 | 1 | 2 | 1 | 2 | 1 | 1 | 2 | 1 | 3 | 2 | 5 | 04 | 3 | 6 | 4 | 2 | 4 | 3 | 1 | 0 | 1 | 4 | 7 | 7 | 4 | 3 | 4 | 4 | 3 | 0 | 2 | 0 | 2 | 1 | 2 | 3 | 05 | 6 | 2 | 7 | 3 | 5 | 7 | 2 | 3 | 6 | 6 | 6 | 5 | 2 | 5 | 4 | 1 | 3 | 2 | 1 | 3 | 2 | 3 | 3 | 5 | 06 | 7 | 4 | 5 | 4 | 1 | 4 | 3 | 10 | 10 | 7 | 4 | 5 | 6 | 4 | 1 | 4 | 1 | 0 | 0 | 1 | 1 | 4 | 2 | 3 | 07 | 3 | 1 | 3 | 3 | 3 | 2 | 4 | 5 | 8 | 11 | 4 | 3 | 5 | 8 | 8 | 2 | 2 | 1 | 1 | 2 | 2 | 3 | 1 | 5 | 08 | 4 | 6 | 6 | 6 | 1 | 4 | 1 | 4 | 4 | 6 | 9 | 4 | 3 | 4 | 6 | 1 | 2 | 0 | 1 | 2 | 0 | 7 | 6 | 6 | 09 | 3 | 4 | 2 | 2 | 5 | 2 | 0 | 11 | 9 | 11 | 3 | 4 | 3 | 1 | 5 | 5 | 2 | 2 | 1 | 4 | 2 | 2 | 4 | 5 | 10 | 8 | 10 | 6 | 4 | 2 | 0 | 3 | 1 | 5 | 10 | 7 | 3 | 3 | 2 | 4 | 4 | 4 | 2 | 0 | 2 | 1 | 3 | 3 | 8 | 11 | 3 | 5 | 5 | 9 | 7 | 3 | 8 | 7 | 6 | 3 | 4 | 8 | 4 | 4 | 4 | 4 | 4 | 1 | 3 | 1 | 1 | 1 | 5 | 4 | 12 | 7 | 9 | 5 | 14 | 3 | 9 | 1 | 7 | 5 | 4 | 5 | 3 | 5 | 2 | 7 | 2 | 1 | 4 | 1 | 2 | 0 | 1 | 5 | 3 | 13 | 6 | 3 | 3 | 3 | 4 | 6 | 5 | 6 | 6 | 10 | 5 | 6 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 14 | 0 | 1 | 0 | 0 | 2 | 0 | 1 | 3 | 0 | 5 | 3 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 15 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 16 | 0 | 0 | 2 | 0 | 1 | 2 | 1 | 2 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 1 | 0 | 17 | 2 | 1 | 3 | 0 | 1 | 2 | 1 | 1 | 3 | 4 | 2 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 18 | 0 | 0 | 3 | 3 | 2 | 10 | 2 | 7 | 6 | 11 | 5 | 4 | 7 | 1 | 2 | 4 | 4 | 7 | 4 | 3 | 4 | 1 | 2 | 4 | 19 | 3 | 1 | 4 | 2 | 4 | 1 | 2 | 7 | 5 | 6 | 11 | 2 | 9 | 6 | 3 | 3 | 4 | 2 | 5 | 0 | 0 | 1 | 3 | 6 | 20 | 5 | 2 | 1 | 3 | 7 | 4 | 4 | 9 | 8 | 12 | 4 | 5 | 1 | 8 | 5 | 1 | 3 | 3 | 4 | 1 | 2 | 1 | 6 | 4 | 21 | 2 | 3 | 5 | 3 | 2 | 1 | 0 | 5 | 0 | 2 | 1 | 1 | 1 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 22 | 1 | 1 | 1 | 3 | 1 | 4 | 5 | 1 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | 1 | 0 | 1 | 0 | 23 | 3 | 1 | 5 | 0 | 0 | 1 | 1 | 5 | 0 | 1 | 1 | 1 | 3 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 24 | 2 | 5 | 8 | 4 | 7 | 8 | 4 | 2 | 0 | 0 | 2 | 2 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 2 | 25 | 1 | 1 | 4 | 2 | 0 | 1 | 1 | 2 | 2 | 0 | 4 | 0 | 0 | 0 | 1 | 6 | 0 | 0 | 1 | 1 | 0 | 0 | 3 | 0 | 26 | 3 | 2 | 0 | 0 | 2 | 3 | 3 | 0 | 1 | 1 | 2 | 5 | 4 | 1 | 3 | 2 | 1 | 0 | 1 | 0 | 0 | 2 | 2 | 2 | 27 | 1 | 1 | 1 | 2 | 0 | 7 | 5 | 1 | 1 | 1 | 2 | 0 | 4 | 0 | 1 | 2 | 0 | 0 | 1 | 1 | 1 | 0 | 2 | 1 | 28 | 0 | 0 | 2 | 3 | 2 | 1 | 2 | 2 | 3 | 4 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 2 | 0 | 1 | 0 | 0 | 29 | 1 | 0 | 0 | 1 | 3 | 4 | 0 | 5 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 30 | 1 | 2 | 1 | 2 | 2 | 0 | 0 | 1 | 3 | 2 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 3 | 1 | 0 | 1 | 1 | 3 | 2 | 31 | 0 | 2 | 0 | 1 | 0 | 2 | 1 | 5 | 3 | 3 | 1 | 0 | 0 | 1 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 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|JST 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|JST ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 01 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 05 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 06 | 0 | 0 | 1 | 2 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 08 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 1 | 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 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 12 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 15 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 4 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 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|JST 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: 52.905 MHz Transmitter Location: HAM beacon (50 W CW, 52.905 MHz), Higashimurayama, Tokyo, Japan Antenna : HB062FDX Receiver : SDR# Method : by using HROFFT 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 19 | 11 | 11 | 7 | 10 | 10 | 14 | 19 | 10 |Feb 01 | 7 | 11 | 5 | 6 | 8 | 6 | 4 | 5 | 3 | 2 | 11 | 12 | 17 | 6 | 4 | 15 | 14 | 11 | 10 | 17 | 13 | 17 | 18 | 23 | 02 | 11 | 17 | 3 | 7 | 8 | 6 | 5 | 3 | 1 | 7 | 6 | 14 | 6 | 9 | 10 | 16 | 13 | 12 | 11 | 14 | 16 | 16 | 27 | 3 | 03 | 9 | 9 | 4 | 15 | 7 | 14 | 6 | 13 | 6 | 3 | 13 | 5 | 4 | 3 | 10 | 7 | 9 | 14 | 13 | 2 | 2 | 7 | 14 | 15 | 04 | 5 | 13 | 11 | 8 | 8 | 15 | 10 | 22 | 7 | 1 | 1 | 0 | 9 | 11 | 14 | 11 | 10 | 5 | 0 | 0 | 0 | 12 | 23 | 7 | 05 | 9 | 13 | 13 | 3 | 0 | 16 | 12 | 5 | 4 | 6 | 9 | 6 | 10 | 13 | 10 | 4 | 13 | 16 | 29 | 4 | 7 | 2 | 16 | 1 | 06 | 19 | 5 | 0 | 8 | 14 | 7 | 15 | 5 | 2 | 4 | 4 | 9 | 9 | 21 | 8 | 16 | 12 | 1 | 0 | 0 | 0 | 20 | 12 | 8 | 07 | 9 | 6 | 16 | 5 | 16 | 14 | 8 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 08 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 8 | 21 | 4 | 0 | 3 | 0 | 14 | 15 | 20 | 16 | 21 | 15 | 18 | 09 | 19 | 9 | 9 | 13 | 10 | 15 | 9 | 13 | 7 | 11 | 9 | 16 | 13 | 8 | 9 | 10 | 18 | 12 | 13 | 15 | 17 | 27 | 10 | 18 | 10 | 14 | 4 | 0 | 6 | 10 | 3 | 8 | 11 | 4 | 4 | 7 | 13 | 10 | 11 | 12 | 12 | 15 | 15 | 28 | 20 | 18 | 21 | 28 | 9 | 11 | 21 | 8 | 13 | 5 | 18 | 4 | 12 | 5 | 2 | 2 | 9 | 16 | 16 | 12 | 9 | 9 | 8 | 18 | 21 | 15 | 28 | 28 | 14 | 14 | 12 | 13 | 14 | 3 | 11 | 6 | 3 | 8 | 0 | 0 | 3 | 5 | 15 | 11 | 13 | 17 | 14 | 15 | 24 | 31 | 17 | 20 | 26 | 34 | 8 | 13 | 8 | 6 | 1 | 0 | 0 | 0 | 3 | 0 | 3 | 5 | 8 | 0 | 1 | 1 | 2 | 1 | 2 | 3 | 0 | 4 | 3 | 3 | 4 | 1 | 14 | 2 | 0 | 1 | 1 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 2 | 4 | 5 | 1 | 3 | 1 | 2 | 5 | 2 | 1 | 1 | 1 | 15 | 3 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 9 | 2 | 3 | 3 | 3 | 1 | 1 | 2 | 1 | 2 | 2 | 6 | 5 | 6 | 4 | 3 | 16 | 1 | 4 | 2 | 2 | 1 | 4 | 1 | 2 | 1 | 1 | 2 | 1 | 1 | 3 | 0 | 1 | 1 | 2 | 3 | 10 | 2 | 6 | 2 | 2 | 17 | 6 | 3 | 0 | 2 | 1 | 2 | 0 | 0 | 0 | 4 | 2 | 8 | 8 | 2 | 0 | 2 | 2 | 6 | 9 | 11 | 10 | 11 | 18 | 3 | 18 | 13 | 2 | 2 | 13 | 9 | 0 | 8 | 4 | 4 | 5 | 3 | 6 | 13 | 9 | 5 | 8 | 6 | 0 | 1 | 4 | 0 | 4 | 5 | 11 | 19 | 2 | 5 | 7 | 15 | 5 | 1 | 3 | 6 | 2 | 1 | 1 | 2 | 3 | 8 | 12 | 9 | 7 | 9 | 9 | 12 | 17 | 14 | 9 | 8 | 20 | 13 | 4 | 4 | 12 | 7 | 3 | 1 | 3 | 1 | 5 | 0 | 14 | 14 | 2 | 11 | 5 | 7 | 10 | 9 | 7 | 3 | 1 | 6 | 1 | 21 | 10 | 3 | 0 | 0 | 3 | 2 | 1 | 2 | 1 | 0 | 0 | 1 | 5 | 2 | 2 | 1 | 1 | 1 | 3 | 1 | 4 | 4 | 1 | 4 | 22 | 2 | 4 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 4 | 3 | 5 | 1 | 1 | 5 | 2 | 4 | 11 | 2 | 3 | 23 | 2 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 3 | 4 | 2 | 1 | 4 | 6 | 11 | 10 | 11 | 15 | 4 | 1 | 0 | 24 | 5 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 6 | 5 | 6 | 22 | 2 | 0 | 25 | 2 | 2 | 1 | 0 | 1 | 3 | 4 | 1 | 0 | 1 | 3 | 2 | 3 | 5 | 7 | 0 | 5 | 1 | 4 | 9 | 7 | 11 | 5 | 2 | 26 | 3 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 0 | 1 | 0 | 3 | 5 | 0 | 1 | 1 | 1 | 0 | 2 | 0 | 4 | 3 | 7 | 2 | 27 | 1 | 0 | 5 | 5 | 2 | 2 | 0 | 1 | 2 | 1 | 2 | 0 | 3 | 2 | 0 | 4 | 1 | 3 | 1 | 4 | 4 | 6 | 2 | 3 | 28 | 1 | 2 | 2 | 2 | 0 | 1 | 1 | 1 | 0 | 2 | 0 | 5 | 5 | 5 | 2 | 2 | 4 | 7 | 3 | 2 | 1 | 1 | 0 | 2 | 29 | 1 | 2 | 3 | 5 | 5 | 1 | 7 | 2 | 0 | 0 | 0 | 7 | 3 | 4 | 10 | 1 | 9 | 6 | 8 | 10 | 9 | 5 | 6 | 5 | 30 | 4 | 5 | 2 | 0 | 0 | 5 | 1 | 0 | 5 | 5 | 4 | 4 | 7 | 7 | 4 | 2 | 5 | 7 | 6 | 1 | 3 | 4 | 6 | 19 | 31 | 12 | 5 | 10 | 9 | 6 | 5 | 3 | 0 | 6 | 6 | 2 | 6 | 8 | 10 | 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 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 08 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 20 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 24 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 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 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 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 ----------------------------------------------------------------------------- Observer : Hirotaka Otsuka Location : Hirakata, Osaka, Japan (135.7 E, 34.9 N) Frequency: 53.100 MHz Antenna : 2el-HB9CV, 4mH (90-270 Azimuth(East-West), 90elevation) Transmitter Location:　 HAM beacon (JA2SDA 50 W CW, 53.100 MHz), Toyokawa, Aichi, Japan Reciever: YAESU FT-690 53.099MHz(Toyokawa), USB Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Mar| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 2 | 4 | 2 | 3 | 2 | 2 | 1 |FEb 01 | 0 | 0 | 2 | 2 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 3 | 1 | 6 | 2 | 1 | 1 | 0 | 0 | 02 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 03 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 2 | 3 | 2 | 0 | 0 | 1 | 04 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 5 | 3 | 1 | 1 | 2 | 05 | 1 | 0 | 0 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 1 | 1 | 5 | 2 | 2 | 0 | 0 | 06 | 1 | 1 | 5 | 1 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 07 | 3 | 1 | 3 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 3 | 0 | 1 | 3 | 0 | 2 | 1 | 0 | 1 | 08 | 0 | 1 | 1 | 3 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 2 | 0 | 3 | 2 | 3 | 2 | 4 | 3 | 2 | 3 | 09 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 10 | 0 | 2 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 0 | 3 | 3 | 4 | 5 | 1 | 1 | 11 | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 3 | 2 | 3 | 4 | 1 | 2 | 12 | 1 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 1 | 3 | 0 | 1 | 2 | 13 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 2 | 7 | 1 | 3 | 3 | 2 | 0 | 14 | 0 | 1 | 2 | 2 | 0 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 2 | 2 | 0 | 1 | 15 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 1 | 1 | 6 | 3 | 2 | 2 | 0 | 16 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 1 | 3 | 0 | 2 | 2 | 0 | 17 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 1 | 1 | 18 | 0 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 2 | 19 | 1 | 1 | 2 | 1 | 0 | 2 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 2 | 4 | 1 | 2 | 4 | 3 | 2 | 1 | 20 | 1 | 4 | 0 | 1 | 1 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 3 | 1 | 2 | 3 | 0 | 0 | 0 | 21 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 2 | 4 | 2 | 3 | 0 | 22 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 23 | 0 | 0 | 2 | 0 | 2 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 5 | 1 | 4 | 0 | 24 | 1 | 1 | 2 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 5 | 1 | 1 | 4 | 0 | 1 | 1 | 25 | 1 | 1 | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 2 | 3 | 0 | 3 | 0 | 2 | 0 | 26 | 1 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 4 | 0 | 2 | 0 | 4 | 0 | 0 | 1 | 27 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 28 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 4 | 3 | 2 | 2 | 2 | 29 | 1 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 3 | 0 | 1 | 3 | 2 | 2 | 30 | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 31 | 0 | 1 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 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 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | 15 | 0 | 1 | 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 | 1 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 1 | 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 | 1 | 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 | 1 | 0 | 24 | 0 | 1 | 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 | 1 | 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 ----------------------------------------------------------------------------- Observer: Norihiro Nakamura Location: Tsukuba, Ibaraki, Japan (140.1 E, 36.0 N) Frequency: 52.905 MHz Transmitter Location:　 HAM beacon (50 W CW, 52.905 MHz), Higashimurayama, Tokyo, Japan Antenna : Dipole Receiver : YAESU FT-817 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 16 | 4 | 3 | 5 | 6 | 4 | 1 | 0 |Feb 01 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 1 | 5 | 1 | 6 | 9 | 11 | 0 | 1 | 5 | 02 | 1 | 0 | 3 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 3 | 6 | 6 | 2 | 3 | 3 | 6 | 3 | 1 | 03 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 3 | 2 | 6 | 4 | 5 | 2 | 3 | 0 | 3 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 3 | 1 | 7 | 5 | 6 | 2 | 2 | 2 | 5 | 1 | 2 | 05 | 3 | 3 | 0 | 2 | 1 | 1 | 1 | 0 | 3 | 1 | 0 | 0 | 2 | 1 | 1 | 3 | 3 | 2 | 4 | 1 | 1 | 3 | 1 | 0 | 06 | 1 | 1 | 1 | 0 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 |??? |??? |??? |??? |??? |??? |??? |??? |??? | 07 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 3 | 3 | 1 | 2 | 0 | 1 | 0 | 0 | 08 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 4 | 3 | 3 | 3 | 2 | 3 | 2 | 2 | 0 | 09 | 2 | 1 | 2 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 1 | 1 | 2 | 0 | 2 | 2 | 8 | 2 | 2 | 3 | 10 | 1 | 2 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 1 | 3 | 6 | 6 | 3 | 4 | 2 | 4 | 0 | 11 | 1 | 1 | 0 | 1 | 1 | 0 | 3 | 1 | 3 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 5 | 3 | 6 | 9 | 8 | 4 | 2 | 5 | 12 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 3 | 1 | 0 | 0 | 2 | 0 | 5 | 3 | 2 | 3 | 6 | 5 | 3 | 3 | 2 | 2 | 2 | 13 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 3 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 4 | 0 | 14 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 2 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 2 | 1 | 0 |??? |??? |??? | 17 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 1 | 4 | 5 | 1 | 5 | 1 | 1 | 18 | 2 | 5 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 3 | 5 | 4 | 6 | 4 | 1 | 0 | 3 | 19 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 4 | 1 | 4 | 11 | 3 | 1 | 5 | 1 | 0 | 20 | 4 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 2 | 3 | 3 | 4 | 6 | 2 | 1 | 1 | 0 | 0 | 0 | 21 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 2 | 0 | 1 | 2 | 3 | 5 | 4 | 2 | 0 | 1 | 0 | 2 | 0 | 22 | 1 | 1 | 0 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 23 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 6 | 4 | 2 | 5 | 0 | 0 | 3 | 24 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 25 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 3 | 1 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 27 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 28 | 0 | 1 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 1 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 2 | 29 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 0 | 2 | 2 | 0 | 0 | 30 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 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 | 1 | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? | 07 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 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 | 1 | 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 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? | 17 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 24 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 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 | 28 | 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 | 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 ----------------------------------------------------------------------------- Observer : Yoshikawa Yasufumi/JG2MLI Location : Nagoya Aichi-pref. JAPAN (136.90E, 35.20N) Frequency: 52.905 MHz Transmitter Location: HAM Beacon/JJ1RLQ(Higashi-murayama Tokyo, Japan) Antenna : -Apr.6: 8mH 2el. HB9CV Horizontal:ENE Apr.6-: 8mH 3el. Yagi Receiver: SMArt RTL-SDR V5 + HDSDR 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 7 | 7 | 0 | 5 | 2 | 5 | 8 | 5 | 4 |Feb 01 | 4 | NS | 10 | 3 | 2 | 1 | 3 | NS | 2 | NS | 4 | 2 | 2 | 4 | 4 | 3 | 5 | 8 | 4 | 7 | 3 | 2 | 6 | 7 | 02 | 6 | 5 | 7 | NS | 2 | NS | 0 | 2 | 4 | 0 | NS | 0 | 1 | 4 | 5 | 0 | 8 | 4 | 3 | 5 | 8 | 4 | 4 | 5 | 03 | 9 | 6 | 5 | 2 | 4 | 1 | 1 | 2 | NS | NS | 1 | 2 | 0 | 2 | 1 | 2 | 6 | 6 | 7 | 5 | 3 | NS | 7 | 6 | 04 | 5 | 12 | 7 | 8 | 4 | 4 | 5 | 0 | 0 | 4 | 0 | 0 | 0 | 4 | 2 | 4 | 3 | 9 | 8 | 6 | 5 | 3 | 1 | 7 | 05 | 7 | 11 | 4 | 6 | 4 | 2 | 5 | 2 | NS | NS | 0 | 4 | 6 | 3 | 7 | 3 | 7 | 7 | 7 | 7 | 6 | 5 | 6 | 6 | 06 | 4 | 3 | 7 | 6 | 5 | 1 | 3 | 2 | NS | NS | NS | NS | NS | NS | NS | NS | 2 | 4 | 4 | 6 | 2 | NS | 4 | 11 | 07 | IF | IF | IF | 7 | 2 | 6 | 3 | 1 | NS | NS | 0 | 0 | NS | NS | NS | NS | 7 | 5 | 6 | 3 | 4 | 8 | 4 | 6 | 08 | NS | NS | NS | 6 | 6 | 6 | 1 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | 5 | 5 | 13 | 1 | 4 | NS | NS | 10 | 09 | 2 | 6 | NS | 6 | 5 | NS | 3 | 1 | 0 | NS | NS | NS | NS | NS | NS | 3 | 6 | 9 | 4 | 3 | 6 | 5 | 8 | 2 | 10 | 8 | NS | 4 | 6 | 2 | 3 | 3 | 0 | 0 | NS | NS | NS | NS | NS | NS | 3 | 2 | 9 | 6 | 5 | 4 | 5 | 8 | 7 | 11 | 5 | 6 | 7 | 9 | 3 | 6 | 3 | 2 | NS | NS | NS | NS | NS | 0 | 1 | 3 | 2 | 1 | 7 | 3 | 1 | 4 | 4 | 4 | 12 | 3 | 6 | 4 | 5 | 6 | 3 | 1 | 4 | NS | NS | IF | IF | NS | NS | 1 | 6 | 10 | 5 | 14 | 6 | 2 | 5 | 2 | 4 | 13 | 10 | 4 | 7 | 4 | 0 | 0 | 0 | 1 | NS | NS | NS | NS | NS | NS | NS | NS | 1 | 3 | 1 | 0 | 1 | 0 | 2 | 1 | 14 | 0 | IF | IF | 3 | 2 | 0 | 0 | 3 | NS | NS | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 3 | 0 | 1 | 0 | 1 | 1 | 2 | 15 | 3 | 0 | 2 | 4 | IF | IF | 4 | 0 | 2 | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 3 | 4 | 2 | 1 | 1 | 1 | 3 | 1 | 16 | 3 | 0 | 2 | 2 | 1 | 2 | 1 | 0 |??? |??? |??? |??? | 0 | 2 | 0 | 1 | 5 | 0 | 2 | 4 | 1 | 2 | 2 | 1 | 17 | 2 | 1 | 2 | 1 | 4 | 1 | 2 | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 1 | 4 | 2 | 4 | 9 | 3 | 2 | 5 | 2 | 9 | 18 | 6 | 6 | 14 | 2 | 3 | 7 | 0 | 4 | 0 | NS | 1 | 0 |??? | 2 | 1 | 0 | 7 | 2 | 6 | 5 | 4 | 1 | 2 | 4 | 19 | 8 | 4 | 3 | 8 | 3 | 1 | 6 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 4 | 4 | 3 | 5 | 5 | 2 | 4 | 6 | 5 | 5 | 20 | 6 |??? |??? |??? | 5 | NS | NS | 1 | NS | NS | 2 | 1 | 2 | 2 | 4 | 4 | 5 | 7 | 7 | 4 | 2 | 3 | 2 | 0 | 21 | 1 | 0 | 1 | 1 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | 22 |??? |??? |??? |??? |??? | NS | 1 | 1 | 2 | NS | IF | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 3 | 1 | 1 | 2 | 2 | 1 | 23 | 4 | 2 | 6 | 3 | 3 | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 4 | 1 | 1 | 0 | 0 | 24 | 0 | 2 | 1 | NS | NS | NS | NS | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 25 | 2 | 2 | 6 | 2 | 6 | 3 | 0 | 2 | NS | NS | 0 | 0 | 1 | 1 | 0 | 2 | 1 | 0 | 0 | 1 | 1 | 2 | 2 | IF | 26 | 1 | 2 | 7 | 6 | 7 | 0 | 0 | 0 | 0 | NS | 0 | 1 | 3 | 0 | 1 | 0 | 8 | 0 | 0 | 3 | 3 | 1 | 2 | 2 | 27 | 0 | 6 | 6 | IF | 1 | 0 | 2 | IF | NS | 0 | 2 | 1 | 1 | 0 | 0 | 2 | 0 | 4 | 1 | 2 | 1 | 0 | 0 | 4 | 28 | 3 | 2 | 1 | 3 | 2 | 2 | IF | 1 | 0 | NS | 2 | 0 | 1 | 0 | 1 | 1 | 4 | 2 | 1 | 5 | 0 | 3 | 0 | 1 | 29 | 3 | 2 | 2 | 3 | 2 | 0 | 0 | 0 | NS | NS | 1 | 0 | 1 | 1 | 0 | 5 | 2 | 0 | 0 | 1 | 1 | 2 | 0 | 2 | 30 | 3 | 2 | 2 | 9 | 2 | 2 | 1 | 0 | 0 | 1 | 9 | 0 | 2 | 2 | 1 | 0 | 4 | 2 | 3 | 1 | 1 | 1 | 0 | 2 | 31 | 2 | 0 | 5 | 3 | 2 | 2 | 2 | 0 | IF | IF | 0 | 1 | 1 | 2 | 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 | 1 | 0 | 0 |Feb 01 | 0 | NS | 0 | 0 | 0 | 0 | 0 | NS | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | NS | 0 | NS | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | NS | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 05 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 1 | 0 | NS | 0 | 0 | 07 | IF | IF | IF | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 09 | 0 | 0 | NS | 0 | 0 | NS | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | IF | IF | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | IF | IF | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | IF | IF | 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 | 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 | NS | 0 | 0 |??? | 0 | 0 | 0 | 0 | 1 | 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 | NS | NS | 0 | NS | NS | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? | 22 |??? |??? |??? |??? |??? | NS | 0 | 0 | 0 | NS | IF | 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 | NS | NS | NS | NS | 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 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | IF | 26 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | IF | 0 | 0 | 0 | IF | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | IF | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 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 | IF | IF | 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 ----------------------------------------------------------------------------- Observer: Koichiro Okuno/JI3EMB Location: Habikino, Osaka, Japan (34.3 N, 135.4 E) Frequency: 52.905 MHz　(Mode:LSB) Transmitter Location:　 HAM beacon (JJ1RLQ 50 W CW, 52.905 MHz), Tachikawa, Tokyo, Japan Antenna : GP (DIAMOND CP-6) 7mH Receiver : R820T2 & SDR + TCXO (HDSDR) 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 3 | 1 | 2 | 1 | 3 | 1 | 5 | 4 | 3 |Feb 01 | 1 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 0 | 3 | 1 | 3 | 5 | 4 | 3 | 0 | 0 | 2 | 3 | 4 | 2 | 4 | 5 | 3 | 02 | 4 | 1 | 2 | 1 | 2 | 2 | 1 | 2 | 1 | 1 | 0 | 2 | 2 | 3 | 0 | 3 | 1 | 2 | 2 | 3 | 4 | 1 | 4 | 2 | 03 | 1 | 3 | 5 | 1 | 3 | 3 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 1 | 2 | 3 | 2 | 4 | 3 | 2 | 4 | 4 | 0 | 04 | 4 | 0 | 6 | 4 | 5 | 1 | 3 | 2 | 1 | 1 | 3 | 3 | 1 | 1 | 1 | 0 | 3 | 1 | 0 | 2 | 2 | 3 | 2 | 2 | 05 | 2 | 1 | 1 | 2 | 1 | 1 | 2 | 3 | 2 | 2 | 1 | 2 | 2 | 0 | 0 | 3 | 2 | 1 | 2 | 0 | 2 | 4 | 3 | 2 | 06 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 2 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 3 | 0 | 0 | 2 | 2 | 4 | 1 | 1 | 07 | 3 | 3 | 2 | 1 | 3 | 0 | 1 | 1 | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 2 | 2 | 1 | 2 | 1 | 2 | 2 | 4 | 08 | 1 | 1 | 0 | 2 | 4 | 2 | 0 | 2 | 2 | 1 | 0 | 0 | 1 | 2 | 1 | 4 | 2 | 1 | 4 | 2 | 0 | 3 | 1 | 5 | 09 | 0 | 1 | 4 | 1 | 3 | 0 | 1 | 1 | 2 | 1 | 2 | 0 | 2 | 0 | 2 | 6 | 4 | 2 | 1 | 3 | 3 | 4 | 0 | 4 | 10 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 1 | 0 | 1 | 1 | 0 | 2 | 3 | 2 | 3 | 3 | 0 | 11 | 4 | 0 | 0 | 2 | 2 | 0 | 3 | 1 | 2 | 0 | 1 | 2 | 2 | 1 | 1 | 0 | 3 | 0 | 4 | 1 | 3 | 1 | 0 | 2 | 12 | 0 | 3 | 2 | 3 | 3 | 3 | 2 | 3 | 0 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 2 | 6 | 1 | 4 | 2 | 2 | 3 | 2 | 13 | 3 | 4 | 4 | 3 | 2 | 3 | 2 | 3 | 0 | 0 | 0 | 0 | 3 | 3 | 1 | 1 | 0 | 1 | 3 | 3 | 3 | 1 | 2 | 0 | 14 | 0 | 4 | 4 | 3 | 1 | 1 | 4 | 0 | 3 | 1 | 3 | 0 | 1 | 3 | 2 | 4 | 1 | 1 | 2 | 3 | 1 | 1 | 1 | 1 | 15 | 0 | 3 | 1 | 0 | 0 | 0 | 1 | 1 | 4 | 1 | 1 | 2 | 0 | 1 | 3 | 1 | 1 | 2 | 1 | 1 | 1 | 7 | 2 | 3 | 16 | 2 | 1 | 3 | 0 | 3 | 0 | 3 | 2 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 2 | 0 | 0 | 1 | 1 | 2 | 2 | 3 | 2 | 17 | 2 | 2 | 0 | 1 | 2 | 3 | 0 | 0 | 1 | 2 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 2 | 4 | 7 | 3 | 18 | 2 | 2 | 0 | 0 | 1 | 2 | 2 | 1 | 0 | 2 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 4 | 0 | 6 | 3 | 1 | 1 | 3 | 19 | 1 | 1 | 3 | 2 | 1 | 1 | 0 | 2 | 0 | 2 | 1 | 1 | 2 | 2 | 2 | 1 | 0 | 1 | 0 | 6 | 1 | 11 | 6 | 4 | 20 | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 3 | 1 | 0 | 3 | 1 | 0 | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 21 | 0 | 1 | 0 | 1 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 0 | 0 | 2 | 1 | 1 | 2 | 2 | 2 | 1 | 22 | 3 | 0 | 1 | 0 | 1 | 3 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 2 | 2 | 0 | 3 | 1 | 1 | 1 | 4 | 1 | 1 | 1 | 23 | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 0 | 2 | 1 | 1 | 1 | 2 | 0 | 24 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 3 | 0 | 1 | 0 | 0 | 3 | 1 | 0 | 1 | 0 | 25 | 0 | 2 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 1 | 0 | 2 | 3 | 1 | 1 | 0 | 3 | 3 | 0 | 2 | 1 | 0 | 2 | 1 | 26 | 1 | 0 | 2 | 2 | 2 | 1 | 0 | 0 | 2 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 1 | 27 | 1 | 0 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 3 | 1 | 2 | 3 | 0 | 1 | 0 | 28 | 0 | 0 | 2 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 29 | 0 | 2 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 1 | 1 | 1 | 3 | 0 | 2 | 0 | 1 | 1 | 2 | 1 | 0 | 30 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 0 | 1 | 2 | 0 | 0 | 1 | 2 | 0 | 3 | 2 | 31 | 2 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Mar| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Mar| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |Feb 01 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 ----------------------------------------------------------------------------- Observer : Mai Wakita /JS2JAQ Location : Ichinomiya Aichi-pref. JAPAN (136.81E, 35.34N) Frequency: 50.017 MHz Transmitter Location: HAM Beacon/JA6YBR/b(Miyazaki Miyazaki, Japan) Antenna : 5mH 2el.HB9CV Horizontal:WSW Receiver: SMArt RTL-SDR V5 + HDSDR 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 | 2 | 1 | 1 | 0 | 3 | 5 | 0 |Feb 01 | 3 | 4 | 4 | 1 | 2 | 2 | 0 | 1 | NS | NS | NS | NS | NS | NS | NS | NS | 2 | 0 | 2 | 2 | 1 | NS | 2 | 5 | 02 | 0 | 5 | 2 | 0 | 3 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | 4 | 3 | 7 | 4 | 5 | NS | 4 | 6 | 03 | 0 | 11 | 3 | 8 | 7 | 3 | 4 | 4 | 2 | 0 | 4 | NS | NS | NS | NS | NS | NS | 5 | 5 | 2 | 5 | NS | 3 | 3 | 04 | NS | NS | 2 | NS | NS | 4 | 4 | 3 | ES | 0 | NS | NS | NS | NS | NS | NS | 3 | 2 | 6 | 0 | 5 | NS | 6 | 5 | 05 | NS | 0 | NS | 0 | 0 | 2 | NS | NS | NS | NS | NS | NS | NS | NS | 8 | 2 | 2 | 1 | 3 | 1 | 2 | NS | 5 | 6 | 06 | 4 | 6 | 4 | 1 | 1 | 3 | 2 | 0 | NS | NS | NS | NS | NS | NS | 6 | 4 | 2 | 4 | 4 | 5 | 4 | 6 | 11 | 1 | 07 | 0 | NS |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 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 | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | NS | 1 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 1 | 0 | 0 | NS | 0 | 1 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | NS | 0 | 0 | 04 | NS | NS | 0 | NS | NS | 0 | 0 | 0 | ES | 0 | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 05 | NS | 0 | NS | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | NS |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 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 observations in Japan, sent to myself. I hope RMOJ will be helpful to radio observers, as well as all meteor observers. Hiroshi Ogawa 2026.04.30