Radio Meteor Observation in Japan No.281 March 2025 - 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: ITEC HRO-RX1a Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 11 4 9 7 14 8 9 8 8 11 5 7 7 7 1 1 3 1 0 2 0 4 3 4 02 | 9 8 7 8 11 6 1 5 9 3 4 5 3 1 6 3 2 3 7 0 4 3 4 1 03 | 7 5 5 6 9 5 6 6 3 5 7 6 5 4 1 3 1 2 2 1 1 5 9 5 04 | 14 6 13 6 10 9 6 3 6 7 5 3 6 9 6 4 2 2 0 2 2 6 4 4 05 | 5 10 4 7 4 10 9 9 9 9 4 7 5 2 7 4 1 0 3 1 6 6 7 3 06 | 5 12 5 8 8 7 8 9 9 4 2 5 1 3 4 2 2 0 0 0 0 5 4 9 07 | 7 12 10 13 9 11 8 4 4 9 7 5 5 8 1 0 2 1 0 2 5 7 2 3 08 | 6 8 8 11 13 9 2 9 8 5 5 1 3 2 0 1 2 2 2 1 0 7 2 3 09 | 9 13 9 17 5 7 5 7 2 4 5 4 4 3 0 0 0 1 1 3 5 2 4 7 10 | 9 5 7 10 6 %6 8 5 6 5 2 3 3 1 3 2 1 1 1 0 4 %2 5 2 11 | 4 9 6 9 4 7 5 5 8 6 4 6 4 5 %2 -- %0 3 3 2 3 3 6 5 12 | 1 9 6 12 10 8 7 6 4 4 10 5 11 2 6 3 2 1 2 1 4 1 7 4 13 | 5 11 7 7 7 6 5 7 5 6 7 3 6 8 2 3 2 0 0 1 5 7 8 11 14 | 11 12 11 17 16 16 13 10 7 14 4 7 8 4 6 1 0 2 3 2 2 7 6 5 15 | 5 9 15 9 13 20 13 10 11 14 6 5 3 9 6 5 2 0 1 3 2 3 5 8 16 | 9 12 18 16 5 11 7 9 10 4 3 8 5 0 2 3 4 2 3 3 6 3 7 8 17 | 15 11 12 14 13 9%16 5 5 3 7 5 6 6 1 2 1 2 2 1 5 8 8 15 18 | 6 21 10 14 13 6 10 13 9 14 6 7 3 8 6 2 2 2 3 2 4 8 9 1 19 | 8 10 10 8 11 11 11 10 6 10 4 10 3 3 7 1 2 2 1 3 1 3 9 11 20 | 17 16 25 21 23 19 11 16 14 12 13 8 6 6 3 2 0 4 3 0 9 5 11 14 21 | 13 17 24 20 16 9 13 16 14 13 7 12 12 9 7 2 4 3 1 3 6 6 10 18 22 | 9 15 17 15 15 16 9 6 11 8 3 3 11 2 2 5 5 1 5 4 9 6 5 14 23 | 5 8 14 11 6 10 8 12 8 10 7 5 6 3 3 3 2 1 3 4 1 6 5 2 24 | 9 9 8 14 14 9 8 15 4 9 6 5 3 8 8 3 1 0 3 2 10 9 9 4 25 | 13 7 11 5 7 8 8 7 8 11 5 9 6 6 5 4 1 4 0 1 5 6 6 8 26 | 10 6 7 16 14 4 13 10 6 7 6 10 9 4 5 0 2 0 4 1 7 3 7 8 27 | 15 14 8 5 4 8 10 13 8 8 8 5 7 4 2 0 2 2 1 0 6 3 6 5 28 | 7 6 9 14 7 8 6 10 7 9 12 10 5 10 9 2 2 0 2 2 7 1 5 8 29 | 8 16 22 18 13 10 13 22 13 11 14 12 5 4 1 2 1 1 1 4 1 4 4 9 30 | 7 20 13 5 10 5 16 6 10 8 3 9 8 9 7 2 2 1 2 2 0 8 7 14 31 | 12 17 19 16 20 14 17 11 5 6 9 4 6 7 4 0 1 5 4 2 9 1 5 11 ---+------------------------------------------------------------------------ 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 | 05 | 1 06 | 07 | 1 1 08 | 09 | 10 | 11 | 12 | 13 | 14 | 1 15 | 16 | 17 | 1 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 1 28 | 29 | 1 30 | 31 | 1 ---+------------------------------------------------------------------------ Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer : Tuboi Observatory[TSUBOI MASAKI] Location : Asakitaku,Hiroshimashi,JAPAN (34.45 N, 132.50 E) Frequency: 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 | 1 1 1 4 1 0 5 4 3 1 1 0 1 0 0 0 0 1 0 1 1 0 0 2 02 | 1 1 3 4 0 0 1 3 4 3 1 0 1 1 3 0 1 1 0 0 0 0 0 0 03 | 1 2 3 0 0 1 1 4 4 4 2 6 3 7 3 3 2 2 0 2 0 2 2 0 04 | 1 0 1 4 4 0 0 1 1 1 2 5 3 0 5 4 1 0 0 0 %0 7 1 5 05 | 4 4 4 1 3 6 10 3 8 5 5 3 0 2 8 4 0 0 0 0 0 3 3 0 06 | 3 5 3 2 9 1 1 5 3 9 5 5 1 3 3 0 0 0 %4 0 1 1 2 2 07 | 0 1 0 0 3 7 3 2 4 3 0 0 0 1 3 4 1 0 %2 1 0 2 2 2 08 | 0 2 1 0 0 5 3 2 3 0 3 3 3 1 6 4 3 3 2 1 4 0 0 3 09 | 2 4 4 0 0 0 4 3 1 7 4 2 2 2 4 0 2 0 0 1 3 4 2 2 10 | 0 0 IF IF 2 5 3 7 3 6 6 8 4 5 1 2 1 1 2 3 1 2 3 5 11 | 5 4 %4 %0 2 8 5 5 5 5 5 8 5 2 8 1 1 1 0 1 0 0 1 1 12 | 0 0 1 2 4 8 4 3 7 1 3 3 3 1 1 1 2 2 1 2 1 3 1 0 13 | 3 0 1 3 1 2 2 1 5 3 8 2 %2 1 0 1 2 3 0 1 1 0 1 1 14 | 0 2 0 2 2 1 0 0 1 0 0 0 0 0 0 0 0 %0 0 1 2 3 %5 3 15 | 2 4 7 6 5 1 8 3 6 6 4 2 1 6 7 1 1 1 1 2 3 3 4 4 16 | 4 2 8 3 2 4 10 5 3 %2 %0 0 6 4 4 1 1 2 3 3 1 3 3 3 17 | 7 4 2 1 4 6 3 3 2 0 1 3 4 2 1 0 0 0 0 %8 %6 6 3 2 18 | 1 1 0 0 0 0 2 5 5 3 %5 %4 7 3 4 2 2 3 1 2 3 3 1 2 19 | 0 2 5 3 1 0 9 9 7 3 3 6 3 7 6 3 4 2 1 %3 IF %0 %0 %0 20 | 0 0 0 2 5 8 7 %6 3 5 8%11 2 2 %2 1 4 1 3 %5 %4 1 0 0 21 | 1 4 2 3 0 4 0 4 4 9 10 4 2 4 IF %1 2 0 3 0 0 3 1 0 22 | 1 0 2 2 2 3 2 1 4 6 5 3 5 1 1 %3 2 %0 %2 0 0 0 2 0 23 | 0 0 0 0 0 2 0 3 12%10 IF %2 %5 IF %6 IF IF IF IF 1 3 0 1 2 24 | 1 1 6 2 4 5 2 4 3 %8 %8 %4 4 4 1 %0 IF 1 1 2 2 0 %1 2 25 | 0 2 1 2 3 1 2 1 1 1 5 2 0 0 0 6 1 0 1 0 2 3 0 4 26 | 1 1 0 0 3 1 1 2 5 2 3 %2 %0 %4 IF %2 3 1 0 %6 %5 2 3 0 27 | 0 0 2 0 1 3 3 2 %5 %5 2 1 4 3 5 1 1 1 3 0 2 2 2 3 28 | 1 1 2 2 1 1 2 1 2 1 3 3 5 0 2 0 1 0 2 0 1 1 0 2 29 | 1 0 2 1 0 1 1 0 3 2 %0 4 2 1 0 IF 0 %0 0 IF IF IF IF %2 30 | IF 2 3 2 1 4 4 1 1 1 7 3 2 2 3 1 0 3 0 0 0 2 0 5 31 | 0 1 1 1 1 1 1 1 2 3 2 2 1 5 3 1 IF 0 2 0 5 1 6 0 ---+------------------------------------------------------------------------ Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST 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 | 05 | 1 06 | 1 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 | 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 | 3 1 0 1 1 1 0 1 2 0 2 3 3 0 1 0 1 1 1 0 2 1 0 6 02 | 3 3 4 2 2 2 2 2 3 4 5 2 1 1 %4 %0 %2 IF 1 4 3 0 0 2 03 | 4 2 1 2 3 0 2 4 4 2 5 6 4 5 2 1 4 1 3 3 2 0 0 2 04 | 2 0 0 0 1 0 1 0 2 0 3 1 0 2 2 2 3 0 1 0 0 3 6 2 05 | 3 5 6 3 2 9 4 6 16 6 %9 IF IF IF IF IF IF IF IF IF %4 4 1 0 06 | 1 3 3 1 4 4 4 5 5 7 4 4 2 5 %5 4 2 5 2 1 1 6 3 1 07 | 2 IF IF IF IF IF %4 3 2 4 IF IF IF IF IF IF IF 1 2 %0 IF 6 3 IF 08 | IF 2 9 %4 IF IF IF %6 %8 IF IF IF %5 3 1 4 6 8 IF IF %1 0 1 4 09 | 4 1 3 1 3 1 7 2 4 5 0 0 0 0 3 1 0 0 5 2 4 0 0 1 10 | 3 3 2 5 2 0 3 5 %5 %4 2 1 1 4 0 0 1 2 0 0 0 2 7 5 11 | 7 5 3 4 1 2 6 %6 7 7 4 4 %8 4 3 1 3 2 6 IF %7 3 6 5 12 | 9 6 3 2 2 3 8 9 3 4 2 4 3 2 6 6 2 2 1 1 1 3 5 2 13 | 2 4 5 1 4 5 4 7 3 3 8 3 2 4 7 4 5 2 4 6 6 5 7 4 14 | 7 6 3 1 2 2 1 3 3 4 11 %4 IF IF IF IF 2 5 2 5 1 2 5 3 15 | 8 5 5 4 8 1 3 3 2 2 0 5 IF %0 5 1 3 1 2 1 0 2 2 3 16 | 4 2 1 4 4 2 2 4 2 4 5 6 6 4 2 3 2 3 2 0 1 4 2 3 17 | 3 3 1 3 10 3 8 8 4 1 2 1 2 1 1 4 1 5 1 IF 1 3 1 3 18 | 5 0 3 2 0 3 3 1 6 4 7 4 5 6 1 2 0 4 0 0 1 1 0 0 19 | 1 3 1 2 1 1 0 1 2 1 0 2 4 1 2 1 6 4 0 0 3 5 5 1 20 | 5 3 6 1 3 5 3 6 3 7 4 6 2 2 3 0 1 4 0 0 2 4 3 1 21 | 8 9 2 5 2 3 5 3 2 4 4 5 4 4 5 3 4 4 1 0 2 1 1 3 22 | 4 5 6 5 4 1 5 4 2 7 8 6 2 4 8 2 %2 IF %2 3 3 4 5 6 23 | 10 1 3 2 2 2 3 4 5 4 6 6 3 1 4 1 3 2 0 2 1 5 1 2 24 | 3 0 1 3 0 0 8 2 7 8 9 6 4 4 3 3 9 4 2 2 0 1 2 4 25 | 2 0 1 0 1 0 1 0 3 9 8 5 1 3 2 3 2 3 4 1 4 1 2 2 26 | 3 2 5 2 2 4 6 7 7 5 8 3 2 2 1 1 3 1 5 3 3 0 6 9 27 | 4 0 0 2 3 4 10 9 8 3 4 2 4 2 2 1 3 4 1 2 1 3 7 3 28 | 6 4 1 1 2 2 4 2 10 10 8 7 3 5 2 4 1 4 2 2 2 3 1 3 29 | 5 2 4 2 2 1 1 3 6 5 5 2 4 %0 2 2 2 4 %0 %5 %4 4 5 3 30 | 12 5 3 1 4 3 5 7 3 4 6 %5 1 5 2 0 3 3 3 2 4 2 1 0 31 | 1 1 3 0 2 6 1 0 3 3 2 %0 IF IF IF %2 0 4 2 2 1 3 5 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 | 2 1 02 | 03 | 04 | 05 | 1 1 1 06 | 1 07 | 08 | 09 | 1 10 | 11 | 1 1 1 12 | 1 13 | 1 1 14 | 1 15 | 1 16 | 17 | 1 18 | 19 | 1 1 20 | 1 21 | 22 | 1 23 | 24 | 25 | 26 | 27 | 28 | 1 29 | 1 1 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 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 | 7 1 3 3 4 5 8 9 8 16 5 5 6 7 %4 0 2 1 1 3 4 7 5 6 02 | 6 2 4 4 5 6 8 8 4 14 8 3 4 3 2 0 2 1 1 1 9 7 4 5 03 | 5 6 7 6 4 7 5 7 5 11 4 2 5 3 1 1 1 1 1 1 3 4 8 6 04 | 11 5 3 5 7 6 7 7 9 11 7 3 3 2 4 5 2 2 3 6 5 7 12 3 05 | 2 3 %9 7 6 13 7 9 17 7 8 4 2 2 0 2 0 1 0 0 0 7 3 4 06 | 5 5 7 6 7 8 8 7 12 6 7 7 9 4 5 2 1 2 3 4 5 3 8 7 07 | 5 7 7 5 8 11 9 8 11 4 4 2 9 3 1 5 3 2 3 2 2 3 7 9 08 | 2 8 2 5 10 8 10 6 7 4 5 4 4 3 3 2 3 1 1 4 7 7 7 5 09 | 12 11 6 5 9 5 6 14 12 4 9 5 3 1 7 0 1 1 6 7 3 5 6 6 10 | 13 7 12 11 10 8 11 6 9 6 12 5 4 6 5 0 3 1 1 2 3 5 6 2 11 | 8 6 11 6 4 7 7 10 6 7 8 8 7 5 3 2 2 1 1 4 5 1 3 6 12 | 3 6 2 6 6 1 4 14 3 7 7 6 5 4 2 3 1 5 6 4 8 6 9 5 13 | 2 9 5 4 5 7 12 13 12 11 8 6 3 5 9 2 1 4 1 4 5 8 9 6 14 | 6 9 9 9 8 12 18 10 13 10 6 8 5 4 %1 %2 0 4 2 7 3 11 6 5 15 | 7 11 4 8 6 5 8 13 11 12 5 8 2 3 1 1 5 0 3 5 7 8 13 8 16 | 10 12 7 9 5 6 10 9 7 9 7 8 5 3 4 2 3 1 1 2 5 6 8 8 17 | 9 5 5 4 4 13 6 6 12 8 10 7 5 11 4 5 3 5 4 5 10 14 8 10 18 | 5 4 11 11 5 14 17 7 8 18 5 8 5 1 3 4 7 4 0 3 6 6 9 13 19 | 7 9 8 7 8 7%14 %6 4 %9 7 8 2 2 3 5 1 0 2 3 5 6 5 11 20 | 14 6 11 8 14 11 8 20 21 12 5 8 5 3 4 5 1 6 3 2 4 5 7 6 21 | 4 6 7 8 11 7 10 9 10 6 4 2 5 4 3 0 4 3 2 2 4 9 4 5 22 | 10 3 %8 4 10 4 6 5 4 5 4 4 7 2 5 1 0 0 0 2 3 5 13 6 23 | 7 10 5 6 7 4 6%10 7 7 7 2 4 2 4 0 0 1 1 2 1 6 3 3 24 | 2 11 4 3 4 6 9 12 12 9 6 7 4 7 4 3 2 0 5 1 9 6 10 9 25 | 9 5 6 11 9 11 14 16 16 9 13 9 8 4 3 4 5 4 3 8 6 7 8 9 26 | 13 6 4 13 6 9 7 12 12 10 12 6 6 8 6 1 4 4 9 2 6 9 9 14 27 | 13 9 9 17 9 9 16 14 10 12 10 7 8 2 5 3 2 3 2 3 8 7 6 6 28 | 11 9 6 18 5 8 14 18 12 9 11 11 5 5 6 3 1 2 2 6 7 8 7 12 29 | 4 10 7 9 9 14 15 11 11 9 %8 11 7 6 3 2 5 7 6 5 4 8 8 9 30 | 8 14 10 7 13 18 8 11 7 18 12 9 8 1 2 2 0 1 0 0 0 7 14 4 31 | 3 12 5 10 6 10 11 5 8%11 4 3 3 3 3 0 3 3 5 7 2 6 5 2 ---+------------------------------------------------------------------------ Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST 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 02 | 1 03 | 1 1 04 | 05 | 1 06 | 1 1 1 1 07 | 1 1 08 | 09 | 1 10 | 1 11 | 12 | 13 | 1 1 14 | 15 | 1 16 | 17 | 1 1 1 18 | 19 | 1 20 | 21 | 22 | 23 | 24 | 1 25 | 1 26 | 27 | 1 1 1 28 | 29 | 1 1 30 | 31 | 1 ---+------------------------------------------------------------------------ Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Frequency: 116.900 MHz Transmitter Location: Chitose-VOR at Tomakomai city (141.7 E, 42.7 N) VOR Beacon for Air-flight (200W 30Hz AM, 116.900 MHz) Antenna : 5el-Yagi Horizon Receiver: AIRSPYmini Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 1 4 0 1 1 1 2 3 5 1 5 5 2 1 4 6 6 9 3 6 5 7 3 1 02 | 4 3 1 5 7 4 6 8 %8 8 6 %6 6 5 2 5 %6 5 7 5 2 4 6 4 03 | 2 7 %5 4 4 4 9 9 8 5 7 8 9 7 8 %8 4 4 0 3 4 7 9 6 04 | 3 6 4 8 3 8 4 6 8 2 10 6 3 6 4 3 0 4 2 2 5 3 2 3 05 | 1 2 5 2 6 3 6 5 6 7 8 13 5 3 3 1 2 4 3 4 6 6 2 4 06 | 3 3 1 1 6 4 2 7 8 11 4 5 %4 -- 3 3 1 1 0 2 2 2 3 1 07 | 1 4 5 4 2 1 2 6 6 5 6 4 4 4 3 -- -- %2 2 6 2 2 9 2 08 | 4 1 4 1 3 3 7 6 7 5 3 8 5 7 4 0 3 0 4 4 9 10 3 7 09 | 5 4 6 3 4 3 7 5 3 7 6 0 3 5 5 4 -- 3 3 1 6 2 8 4 10 | 4 1 3 6 5 3 2 8 8 7 7 5 -- -- -- -- %2 2 1 2 1 4 3 3 11 | 6 1 4 4 3 4 6 2 10 8 5 4 2 3 3 2 0 2 4 7 4 %4 1 1 12 | 3 3 4 2 4 4 4 1 3 4 2 7 3 5 %4 -- -- -- -- -- -- -- -- -- 13 | -- -- -- -- -- -- -- -- %6 9 4 3 4 4 2 3 3 3 3 3 5 0 4 4 14 | 8 5 4 2 3 3 7 7 7 7 5 3 -- -- 7 4 5 1 2 2 4 3 3 3 15 | 6 2 1 3 6 6 7 9 5 8 5 4 2 2 3 2 2 0 3 2 3 5 7 5 16 | 3 3 6 3 3 5 7 11 8 5 3 4 2 4 2 4 0 2 5 6 3 3 4 6 17 | 8 3 3 5 5 5 9 12 12 5 4 8 3 8 2 1 -- 4 5 5 5 2 3 6 18 | 3 3 2 3 3 10 10 9 10 10 5 7 3 5 -- -- 2 %5 7 3 %5 %5 9 4 19 | 8 8 9 9 4 10 22 14 7 10 5 6 8 7 3 5 3 5 5 4 5 9 5 8 20 | 5 3 0 4 5 14 5 17%10 5%10 9 2 4 5 1 2 0 1 3 0 3 1 2 21 | 3 2 4 3 2 1 3 2 5 3 2 5 1 5 3 1 3 1 1 0 2 4 -- -- 22 | -- -- -- -- -- -- -- -- %8 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- 23 | -- -- -- -- -- -- -- %8 7 5 3 2 2 5 %2 1 1 1 3 %0 1 1 4 7 24 | 4 2 2 5 5 4 5 5 6 9 2 2 1 4 5 4 3 1 2 3 6 4 10 3 25 | 3 2 0 3 7 3 9 4 7 5 6 7 %2 4 3 3 2 0 1 4 1 3 1 3 26 | 5 5 3 2 0 2 3 8 5 4 1 6 4 3 5 5 2 4 3 4 4 4 6 4 27 | 4 1 4 4 2 2 7 6 9 7 5 4 2 2 3 1 4 4 4 2 3 4 6 4 28 | 2 0 8 1 2 2 6 11 8 3 4 3 3 5 2 4 1 4 3 1 2 7 6 12 29 | 0 2 1 5 5 1 4 10 3 10 4 4 6 3 9 0 3 2 5 3 4 5 2 5 30 | 2 7 4 3 6 3 6 8 6 12 7 5 5 8 1 8 3 1 2 5 4 1 8 5 31 | 3 6 7 4 4 8 7 5 5 4 3 4 3 5 3 1 2 2 3 0 3 6 4 3 ---+------------------------------------------------------------------------ Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST Echoes longer than 20 seconds Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 03 | 04 | 1 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 1 18 | 1 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 1 30 | 1 1 31 | 1 ---+------------------------------------------------------------------------ Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST 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 | 3 0 1 1 2 2 4 9 5 4 3 1 3 3 3 1 0 1 1 0 1 1 2 2 02 | 4 0 3 2 3 3 4 2 3 5 1 2 0 3 1 0 2 1 1 1 3 0 0 0 03 | 2 0 1 5 4 1 4 4 2 2 1 2 0 2 0 0 0 1 0 1 0 1 1 1 04 | 1 1 2 1 1 1 2 1 2 5 1 1 0 2 1 1 0 0 0 2 1 0 4 3 05 | 0 1 0 1 5 8 2 4 6 3 2 2 4 2 1 0 0 2 2 0 5 2 1 0 06 | 1 1 1 2 4 2 3 2 4 1 1 1 3 2 0 0 0 0 2 0 2 0 2 1 07 | 1 3 4 0 3 2 4 1 4 0 0 0 0 0 1 0 0 1 1 0 0 1 2 3 08 | 0 2 0 0 3 4 5 1 1 0 1 1 1 2 0 0 0 1 0 3 4 3 2 1 09 | 4 3 4 1 3 2 6 5 4 2 1 0 0 2 3 1 0 0 3 2 1 1 4 2 10 | 4 2 0 4 3 6 7 2 2 1 5 0 3 2 1 0 2 1 0 2 1 2 5 2 11 | 2 2 5 6 3 1 4 5 5 5 2 1 2 1 2 0 0 1 0 2 3 0 0 3 12 | 0 2 0 3 2 1 0 4 1 3 1 2 1 2 1 0 0 1 2 1 4 2 2 4 13 | 0 5 5 1 5 3 2 4 8 2 3 2 4 2 3 3 1 3 1 2 1 6 0 2 14 | 2 1 3 3 1 1 5 3 3 1 0 0 0 3 0 2 1 0 2 3 4 6 2 1 15 | 2 4 1 2 2 3 5 3 5 5 0 2 1 1 1 1 2 1 2 4 1 1 8 1 16 | 3 5 2 2 1 3 7 5 4 3 2 2 3 0 2 1 2 1 0 0 1 2 1 2 17 | 6 0 1 2 2 3 2 5 2 0 2 5 0 2 1 0 1 3 1 2 6 4 1 1 18 | 2 3 3 2 1 4 6 4 5 6 2 2 1 0 1 0 0 4 0 3 3 3 2 8 19 | 0 5 4 3 2 2 6 1 2 3 4 3 0 1 0 0 1 0 0 3 0 2 3 1 20 | 5 6 2 3 4 8 0 8 7 3 1 1 1 1 1 4 1 2 1 3 4 3 3 1 21 | 4 2 6 3 6 6 9 5 2 6 1 2 0 3 3 1 %1 2 1 1 2 6 4 4 22 | 6 1 5 1 7 1 3 4 2 4 2 3 4 2 0 0 0 0 0 1 2 5 3 2 23 | 0 0 0 0 0 0 0 0 6 3 5 2 1 1 1 0 1 0 0 1 0 3 2 1 24 | 2 6 2 2 0 8 4 8 2 6 0 1 0 1 2 0 0 0 2 1 2 2 2 2 25 | 1 1 1 3 4 4 5 3 6 4 1 0 4 1 1 2 5 2 2 2 0 5 5 4 26 | 4 3 1 4 1 2 1 2 2 3 2 1 0 3 2 0 0 1 1 0 0 2 4 3 27 | 3 5 3 4 5 2 5 2 3 3 2 1 4 1 1 2 2 0 1 2 4 2 0 2 28 | 1 4 2 2 0 2 4 6 2 4 2 3 2 3 1 0 0 1 3 2 4 2 1 2 29 | 2 4 2 2 1 9 6 5 2 1 1 2 3 3 0 0 4 2 4 1 3 3 0 2 30 | 3 3 3 0 5 1 2 0 3 4 1 1 1 0 0 0 0 0 0 0 0 4 1 0 31 | 1 3 3 4 6 2 1 2 1 2 2 0 1 2 0 1 0 2 0 5 1 1 1 0 ---+------------------------------------------------------------------------ Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST 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 | 2 02 | 1 03 | 1 1 04 | 05 | 1 06 | 1 1 07 | 08 | 09 | 10 | 1 1 11 | 12 | 13 | 1 14 | 15 | 1 16 | 17 | 1 18 | 19 | 1 20 | 21 | 22 | 23 | 24 | 1 25 | 1 26 | 27 | 28 | 29 | 1 1 30 | 31 | 1 ---+------------------------------------------------------------------------ Mar| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer : 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 : AF-4 (4el.) horizon, dir: west 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 03 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 04 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 1 | 4 | 0 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 1 | 0 | 1 | 0 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 2 | 4 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 0 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 1 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 2 | 12 | 1 | 4 | 1 | 1 | 4 | 2 | 1 | 2 | 1 | 4 | 0 | 0 | 2 | 2 | 3 | 0 | 2 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 13 | 0 | 0 | 4 | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 14 | 1 | 1 | 0 | 2 | 0 | 3 | 2 | 0 | 2 | 3 | 2 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 16 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 17 | 1 | 0 | 2 | 0 | 1 | 1 | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 21 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 22 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 23 | 0 | 0 | 0 | 0 | 2 | 4 | 1 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 26 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 27 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 1 | 0 | 0 | 28 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 29 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 3 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 3 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 30 | 2 | 1 | 1 | 2 | 2 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 1 | 1 | 3 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 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|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 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 1 | 1 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 12 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 22 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 24 | 0 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 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: 53.372 MHz Transmitter Location: HAM beacon (JE3AKE) (50W CW, 53.372MHz) Antenna : HB062FDX Receiver : AITEC MRX-50 Method : by using MROFFT software (by Michinari Yamamoto) manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Mar| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|JST ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? | 14 | 6 | 16 | 4 | 8 | 2 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 6 | 3 | 2 | 4 | 6 | 11 | 9 | 8 | 03 | 9 | 6 | 8 | 13 | 11 | 7 | 16 | 11 | 20 | 8 | 7 | 3 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 4 | 04 | 3 | 3 | 6 | 5 | 2 | 5 | 6 | 5 | 15 | 7 | 3 | 2 | 3 | 3 | 0 | 3 | 1 | 0 | 2 | 1 | 0 | 4 |??? |??? | 05 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 06 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 6 | 10 | 5 | 8 | 9 | 07 | 5 | 13 | 2 | 8 | 11 | 7 | 11 | 14 | 16 | 6 | 11 | 13 | 9 | 5 | 9 | 8 | 6 | 3 | 9 | 4 | 5 | 10 | 7 | 6 | 08 | 10 | 13 | 12 | 11 | 12 | 23 | 12 | 21 | 18 | 14 | 5 | 12 | 12 | 8 | 6 | 4 | 0 | 2 | 4 | 9 | 6 | 8 | 14 | 8 | 09 | 6 | 8 | 6 | 7 | 12 | 8 | 17 | 35 | 20 | 17 | 6 | 11 | 4 | 5 | 3 | 5 | 5 | 3 | 6 | 5 | 6 | 8 | 21 | 12 | 10 | 11 | 5 | 14 | 20 | 9 | 16 | 12 | 6 | 2 | 6 | 8 | 10 | 11 | 10 | 6 | 6 | 8 | 3 | 3 | 10 | 2 | 11 | 11 | 6 | 11 | 7 | 5 | 11 | 10 | 12 | 15 | 10 | 23 | 19 | 18 | 10 | 8 | 11 | 1 | 12 | 2 | 2 | 6 | 11 | 7 | 11 | 5 | 11 | 4 | 12 | 10 | 7 | 14 | 8 | 12 | 13 | 13 | 21 | 14 | 14 | 8 | 5 | 9 | 8 | 5 | 7 | 3 | 4 | 5 | 7 | 10 | 11 | 10 | 9 | 13 | 11 | 7 | 14 | 10 | 19 | 4 | 11 | 25 | 4 | 8 | 5 | 7 | 7 | 8 | 3 | 6 | 6 | 3 | 8 | 0 | 2 | 5 | 0 | 9 | 14 | 0 | 0 | 0 | 17 | 6 | 10 | 12 | 14 | 8 | 11 | 13 | 6 | 8 | 9 | 9 | 5 | 6 | 3 | 5 | 9 | 8 | 11 | 13 | 8 | 15 | 8 | 8 | 11 | 14 | 13 | 22 | 11 | 2 | 6 | 8 | 6 | 10 | 14 | 8 | 5 | 7 | 8 | 1 | 6 | 8 | 10 | 6 | 7 | 11 | 16 | 10 | 13 | 6 | 8 | 16 | 17 | 18 | 19 | 12 | 16 | 11 | 5 | 10 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 10 | 20 | 11 | 9 | 17 | 14 | 12 | 11 | 16 | 14 | 14 | 7 | 18 | 16 | 18 | 5 | 6 | 3 | 6 | 9 | 8 | 4 | 6 | 5 | 4 | 9 | 12 | 9 | 11 | 18 | 9 | 8 | 12 | 12 | 17 | 12 | 21 | 27 | 22 | 9 | 7 | 15 | 4 | 9 | 4 | 8 | 14 | 2 | 9 | 8 | 7 | 7 | 11 | 9 | 19 | 11 | 14 | 13 | 14 | 10 | 18 | 16 | 2 | 17 | 4 | 0 | 5 | 0 | 0 | 0 | 0 | 1 | 4 | 1 | 4 | 11 | 16 | 10 | 10 | 20 | 3 | 9 | 12 | 11 | 5 | 7 | 16 | 12 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 6 | 12 | 8 | 21 | 3 | 11 | 7 | 15 | 10 | 12 | 31 | 14 | 15 | 11 | 14 | 7 | 14 | 8 | 10 | 7 | 3 | 4 | 3 | 9 | 16 | 12 | 8 | 4 | 22 | 8 | 8 | 8 | 4 | 14 | 18 | 10 | 19 | 14 | 15 | 9 | 7 | 11 | 6 | 4 | 6 | 0 | 2 | 7 | 8 | 6 | 9 | 8 | 9 | 23 | 9 | 5 | 10 | 9 | 13 | 17 | 15 | 12 | 14 | 4 | 2 | 9 | 6 | 6 | 2 | 2 | 4 | 2 | 2 | 4 | 7 | 10 | 13 | 12 | 24 | 11 | 10 | 8 | 6 | 17 | 11 | 11 | 13 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 14 | 16 | 17 | 14 | 2 | 0 | 1 | 5 | 2 | 0 | 0 | 0 | 2 | 1 | 5 | 3 | 2 | 26 | 5 | 4 | 10 | 12 | 10 | 16 | 13 | 22 | 4 | 2 | 0 | 0 | 0 | 4 | 5 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 2 | 4 | 11 | 10 | 15 | 16 | 10 | 14 | 9 | 1 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 28 | 3 | 2 | 1 | 5 | 0 | 4 | 0 | 9 | 1 | 7 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 8 | 29 | 5 | 4 | 7 | 2 | 7 | 15 | 2 | 19 | 12 | 14 | 4 | 10 | 10 | 24 | 17 | 11 | 10 | 12 | 12 | 16 | 10 | 26 | 23 | 19 | 30 | 15 | 16 | 14 | 22 | 33 | 20 | 23 | 42 | 16 | 12 | 5 | 16 | 8 | 14 | 24 | 8 | 15 | 8 | 2 | 14 | 11 | 17 | 15 | 10 | 31 | 16 | 22 | 19 | 15 | 23 | 24 | 28 | 32 | 16 | 13 | 23 | 15 | 10 | 23 | 18 | 4 | 11 | 12 | 9 | 16 | 17 | 21 | 16 | 20 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? | 05 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 06 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 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 | 2 | 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 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 1 | 0 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 19 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 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 ----------------------------------------------------------------------------- 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 Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Mar| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 1 | 0 | 0 | 2 | 3 | 0 | 2 | 2 |Feb 01 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 02 | 1 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 5 | 5 | 2 | 1 | 3 | 1 | 0 | 03 | 0 | 0 | 0 | 1 | 4 | 0 | 1 | 0 | 2 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 9 | 4 | 0 | 1 | 1 | 3 | 04 | 2 | 0 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 3 | 1 | 4 | 3 | 4 | 1 | 3 | 05 | 2 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 3 | 0 | 0 | 1 | 2 | 06 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 4 | 4 | 4 | 3 | 3 | 1 | 2 | 07 | 2 | 1 | 2 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 2 | 2 | 1 | 0 | 1 | 3 | 08 | 1 | 0 | 1 | 2 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 2 | 1 | 0 | 2 | 0 | 0 | 3 | 4 | 1 | 1 | 4 | 0 | 09 | 3 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 2 | 1 | 3 | 1 | 1 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 3 | 1 | 0 | 1 | 11 | 0 | 0 | 1 | 0 | 2 | 1 | 1 | 1 | 2 | 3 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 4 | 6 | 4 | 3 | 1 | 2 | 12 | 0 | 4 | 3 | 1 | 4 | 1 | 2 | 1 | 0 | 1 | 1 | 3 | 0 | 0 | 0 | 0 | 3 | 2 | 7 | 2 | 1 | 1 | 2 | 3 | 13 | 1 | 0 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0 | 0 | 2 | 2 | 7 | 4 | 3 | 0 | 6 | 2 | 14 | 3 | 1 | 0 | 1 | 4 | 2 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 2 | 7 | 7 | 10 | 2 | 5 | 1 | 2 | 15 | 2 | 1 | 2 | 1 | 1 | 4 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 16 | 0 | 2 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 3 | 6 | 2 | 5 | 4 | 0 | 1 | 17 | 2 | 2 | 1 | 2 | 3 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 2 | 0 | 1 | 0 | 3 | 18 | 1 | 1 | 1 | 1 | 1 | 2 | 0 | 0 | 3 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 2 | 2 | 3 | 3 | 1 | 19 | 2 | 1 | 0 | 2 | 1 | 3 | 0 | 1 | 0 | 3 | 0 | 1 | 1 | 0 | 0 | 1 | 2 | 1 | 2 | 1 | 0 | 2 | 0 | 1 | 20 | 2 | 1 | 1 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 4 | 2 | 3 | 2 | 1 | 21 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 1 | 2 | 5 | 2 | 1 | 1 | 1 | 22 | 4 | 2 | 1 | 0 | 0 | 3 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 2 | 0 | 2 | 2 | 2 | 1 | 0 | 23 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 0 | 2 | 0 | 2 | 1 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 26 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 30 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 31 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Mar| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Mar| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Feb 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 02 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 2 | 0 | 0 | 0 | 0 | 04 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 06 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 09 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 6 | 2 | 1 | 0 | 1 | 0 | 13 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 2 | 1 | 14 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 4 | 4 | 0 | 1 | 0 | 0 | 15 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 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 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 2 | 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 | 1 | 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 | 1 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | 1 | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 3 | 7 | 3 | 2 | 5 | 3 | 3 | 1 | 1 |Feb 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 4 | 4 | 5 | 2 | 7 | 7 | 4 | 1 | 1 | 02 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 |??? |??? |??? |??? |??? |??? | 3 | 4 | 2 | 4 | 6 | 3 | 4 | 3 | 03 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 8 | 6 | 14 | 14 | 7 | 7 | 7 | 4 | 5 | 2 | 04 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 8 | 4 | 9 | 4 | 6 | 2 | 2 | 0 | 05 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 3 | 1 | 2 | 0 | 1 | 0 | 2 | 4 | 9 | 11 | 7 | 7 | 3 | 2 | 5 | 8 | 4 | 06 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 07 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 4 | 6 | 7 | 6 | 2 | 5 | 3 | 5 | 0 | 08 | 0 | 0 | 1 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 9 | 10 | 8 | 8 | 1 | 9 | 4 | 5 | 2 | 09 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 6 | 5 | 5 | 7 | 9 | 6 | 0 | 0 | 10 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 1 | 3 | 4 | 4 | 2 | 4 | 1 | 2 | 0 | 11 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 3 | 7 | 4 | 1 | 1 | 5 | 1 | 1 | 12 | 0 | 0 | 1 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 4 | 2 | 8 | 4 | 3 | 1 | 2 | 0 | 0 | 13 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 0 | 1 | 2 | 4 | 3 | 8 | 6 | 4 | 2 | 6 | 3 |??? | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 6 | 6 | 9 | 5 | 1 | 1 | 1 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 9 | 4 | 6 | 6 | 1 | 7 | 7 | 1 | 4 | 16 | 1 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 7 | 9 | 6 | 4 | 4 | 3 | 4 | 3 | 1 | 17 | 0 | 1 | 1 | 2 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 2 | 0 | 3 | 6 | 4 | 3 | 9 | 8 | 3 | 3 | 3 | 1 | 2 | 18 | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 2 | 6 | 7 | 6 | 5 | 5 |??? |??? |??? |??? |??? | 19 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 6 | 9 | 7 | 9 | 5 | 4 | 0 | 0 | 20 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 0 | 0 | 0 | 0 | 3 | 5 | 3 | 3 | 6 | 5 | 7 | 4 | 3 | 0 | 0 | 21 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 7 | 8 | 6 | 6 | 2 | 5 | 6 | 0 | 1 | 22 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 3 | 5 | 4 | 7 | 6 | 7 | 5 | 4 | 2 | 0 | 23 | 0 | 3 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 | 7 | 5 | 4 | 10 | 7 | 3 | 2 | 1 | 0 | 24 | 0 | 1 | 2 | 0 | 3 | 0 | 0 | 1 | 2 | 1 | 3 | 1 | 2 | 0 | 2 | 4 | 2 | 2 | 2 | 3 | 6 | 5 | 2 | 0 | 25 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 3 | 4 | 4 | 6 | 6 | 2 | 4 | 3 | 4 | 1 | 26 | 0 | 3 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 4 | 1 | 0 | 5 | 9 | 5 | 9 | 11 | 1 | 0 | 1 | 27 | 0 | 1 | 2 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 4 | 1 | 1 | 1 | 2 | 6 | 5 | 2 | 1 | 4 | 4 | 2 | 28 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 2 | 4 | 3 | 4 | 5 | 4 | 1 | 5 | 3 | 3 | 5 | 29 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |??? |??? |??? |??? |??? |??? |??? | 5 | 7 | 3 | 1 | 2 | 4 | 2 | 3 | 1 | 30 | 1 | 2 | 1 | 2 | 1 | 2 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 4 | 4 | 9 | 7 | 4 | 4 | 2 | 1 | 31 | 0 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 2 | 3 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Mar| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Mar| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Feb 01 | 0 | 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 | 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 | 1 | 0 | 2 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 07 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 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 | 1 | 1 | 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 | 1 | 0 | 0 | 12 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |??? | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? | 19 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 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 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 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 : 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 : 8mH 2el. HB9CV Horizontal:ENE 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 1 | 3 | 2 | 2 | 2 | 5 | 4 | 9 | 5 |Feb 01 | 3 | 6 | 5 | 2 | 3 | 5 | 1 | 1 | 2 | 0 | 0 | 1 | 0 | 1 | 4 | 4 | 2 | 5 | 5 | 2 | 4 | 5 | 3 | 3 | 02 | 5 | 5 | 4 | 3 | 5 | 0 | 0 | 2 | 0 | 1 | 1 | 4 | 1 | 2 | 2 | 4 | 4 | 4 | 2 | 6 | NS | NS | 5 | 4 | 03 | 4 | 4 | 1 | 2 | 6 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 3 | 1 | 4 | 5 | 3 | 5 | 2 | 4 | 3 | 7 | 04 | 6 | 3 | 3 | 4 | 8 | 0 | 1 | 3 | 0 | NS | 0 | 0 | 2 | NS | NS | 4 | 3 | 4 | 6 | 3 | NS | NS | 9 | 6 | 05 | 6 | 8 | 3 | 11 | 4 | 8 | 6 | 0 | 4 | 1 | 0 | 4 | 1 | 1 | 2 | 2 | 3 | 2 | 2 | 8 | 1 | 6 | 5 | 7 | 06 | 10 | 9 | 4 | 5 | 8 | 2 | 3 | 2 | 3 | 1 | 0 | 1 | 4 | 2 | 1 | 3 | 2 | 5 | 4 | 4 | NS | NS | 6 | 5 | 07 | 8 | 6 | 7 | 7 | 8 | 3 | 4 | 3 | 2 | 0 | NS | NS | NS | NS | NS | NS | 6 | 7 | 3 | 8 | 4 | 2 | 6 | 7 | 08 | 5 | 8 | 8 | 6 | 8 | 7 | 2 | 4 | 3 | 2 | 3 | 4 | 4 | 0 | 0 | 1 | 4 | 5 | 5 | 5 | 2 | 5 | 5 | 6 | 09 | 8 | 5 | 5 | 7 | 6 | 9 | 5 | 0 | 2 | 1 | 4 | 0 | 2 | 4 | 1 | 4 | 5 | 6 | 6 | 7 | 5 | 7 | 5 | 4 | 10 | 6 | 10 | 8 | 10 | 2 | 1 | 2 | 0 | 1 | 3 | 2 | 1 | 3 | 2 | 4 | 5 | 2 | 4 | 8 | 9 | NS | NS | 5 | 6 | 11 | 5 | 9 | 5 | 13 | 9 | 3 | 3 | 4 | 2 | 0 | 1 | 4 | 2 | 1 | 5 | 5 | 5 | 8 | 4 | 7 | NS | NS | 6 | 9 | 12 | 5 | 5 | 6 | 6 | 3 | 4 | 1 | 1 | 0 | 1 | 2 | 3 | 5 | 4 | 3 | 1 | 2 | 7 | 2 | 8 | NS | NS | 10 | 2 | 13 | 6 | 11 | 4 | 14 | 5 | 7 | 5 | 1 | 2 | 2 | 2 | 4 | 0 | 3 | 1 | 3 | 11 | 5 | 3 | 7 | 4 | 6 | 9 | 4 | 14 | 10 | 7 | 5 | 5 | 8 | 3 | 3 | 0 | 1 | 2 | 3 | 2 | 2 | 2 | 2 | 1 | 8 | 1 | 9 | 4 | 6 | 3 | 2 | 13 | 15 | 4 | 9 | 6 | 6 | 6 | 2 | 2 | 3 | 1 | 1 | 0 | 2 | 2 | NS | NS | 2 | 0 | 9 | 3 | 2 | NS | NS | 5 | 2 | 16 |??? | 3 | 4 | 3 | 1 | 3 | 3 | 0 | 1 | 2 | 0 | 1 | 1 | 3 | 2 | 4 | 4 | 3 | 0 | 7 | NS | NS | 2 | 3 | 17 | 1 | 2 | 6 | 2 | 1 | 3 | 0 | 2 | 0 | 2 | 1 | 2 | 3 | 1 | 1 | 2 | 3 | 3 | 3 | 6 | 5 | 4 | 2 | 5 | 18 | 7 | 5 | 3 | 4 | 2 | 1 | 1 | 0 | 3 | 1 | 2 | 1 | 4 | 0 | 3 | 2 | 5 | 2 | 4 | 0 | NS | 4 | 5 | 1 | 19 | 2 | 2 | 5 | 1 | 6 | 3 | 1 | 0 | 1 | 0 | 2 | 1 | 3 | 2 | 3 | 4 | 7 | 2 | 2 | 5 | 3 | 2 | 8 | 5 | 20 |??? |??? |??? |??? |??? |??? | NS | 1 | 1 | 0 | 1 | 1 | 3 | 1 | 1 | 5 | 3 | 4 | 6 | 4 | 3 | 2 | 6 | 3 | 21 | 6 | 5 | 5 | 4 | 2 | 0 | 1 | 1 | 2 | 2 | 2 | 1 | 2 | 2 | 0 | 1 | 6 | 5 | 5 | 4 | 2 | 1 | 3 | 4 | 22 | 3 | 1 | 0 | 3 | 1 | 2 | 1 | 2 | 1 | 1 | 2 | 0 | 3 | 0 | 2 | 2 | 5 | 3 | 3 | 5 | 5 | 3 | 5 | 5 | 23 | 3 | 3 | 6 | 9 | 3 | 4 | 1 | 1 | 0 | 1 | 2 | 4 | 0 | 3 | 1 | 2 | 2 | 3 | 2 | 1 | 3 | 5 | 5 | 7 | 24 | 4 | 5 | 3 | 4 | 3 | 0 | 0 | 1 | 0 | IF | 0 | 2 | 5 | 3 | 2 | 1 | 5 | 3 | 4 | 1 | 3 | 4 | 2 | 2 | 25 | 6 | 3 | 4 | 4 | 4 | 0 | 1 | 2 | 0 | 1 | 2 | 2 | 0 | 3 | 1 | 3 | 4 | 0 | 3 | 3 | 3 | 1 | 2 | 2 | 26 | 3 | 6 | 5 | 5 | 2 | 5 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 1 | 6 | 3 | 2 | 3 | 3 | 1 | 1 | 1 | 27 | 8 | 9 | 5 | 3 | 4 | 3 | 3 | 0 | 0 | 2 | 0 | 4 | 2 | 1 | 1 | 4 | 8 | 7 | 1 | 1 | 5 | 4 | 4 | 4 | 28 | 5 | 4 | 4 | 2 | 4 | 6 | 3 | 2 | 1 | 2 | 2 | 5 | 1 | 0 | 5 | 2 | 5 | 5 | 4 | 4 | 4 | 5 | 4 | 5 | 29 | 2 | 4 | 10 | 5 | 5 | 2 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 3 | 5 | 4 | 3 | 3 | 7 | 2 | 1 | 3 | 30 | 6 | 6 | 11 | 4 | 3 | 4 | 2 | 0 | 2 | 1 | 0 | 1 | 1 | 3 | 4 | 3 | 3 | 5 | 6 | 5 | 0 | 5 | 4 | 5 | 31 | 4 | 5 | 6 | 4 | 10 | 1 | 2 | 0 | 2 | 1 | 1 | 0 | 2 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Mar| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT Echoes longer than 20 seconds Mar| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 28 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Feb 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 04 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | 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 | NS | NS | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 16 |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 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 | NS | 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 | 1 | 20 |??? |??? |??? |??? |??? |??? | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 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 | 1 | 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 | IF | 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 | 1 | 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 | 1 | 1 | 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: Koichiro Okuno/JI3EMB Location: Habikino, Osaka, Japan (34.3 N, 135.4 E) Frequency: 52.905 MHz　(Mode:LSB) Transmitter Location:　 HAM beacon (JJ1RLQ 50W CW, 52.905 MHz), Higashimurayama, Tokyo, Japan Antenna : GP (DAIMOND 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 2 | 3 | 0 | 0 | 1 | 0 | 2 | 6 |Feb 01 | 6 | 3 | 1 | 2 | 2 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 4 | 3 | 5 |??? |??? |??? |??? |??? |??? | 1 | 02 | 1 | 4 | 6 | 4 | 5 | 0 | 4 | 2 | 1 | 0 | 0 | 2 | 0 | 3 | 2 | 0 | 3 | 3 | 2 | 0 | 3 | 2 | 2 | 6 | 03 | 1 | 4 |??? |??? |??? |??? |??? | 0 | 2 | 0 | 5 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | 1 | 0 | 0 | 3 | 2 | 6 | 04 |??? | 7 | 2 |??? | 0 | 3 | 4 | 0 | 2 | 1 | 5 | 1 | 1 | 2 | 2 | 0 | 1 | 0 | 0 | 3 | 4 | 6 | 3 | 6 | 05 | 3 | 6 | 4 | 6 | 6 | 9 | 6 | 1 | 1 | 3 | 0 | 1 | 0 | 1 | 0 | 2 | 1 | 5 | 1 | 2 | 1 | 3 | 2 | 4 | 06 |??? |??? |??? |??? |??? | 3 | 8 | 5 |??? | 4 | 2 | 0 | 3 | 1 | 0 | 3 | 4 | 1 | 1 | 1 | 1 | 3 | 0 | 3 | 07 | 6 | 0 | 4 | 4 | 2 | 2 | 0 | 3 | 6 | 2 | 1 | 2 | 1 | 0 | 2 | 0 | 1 | 0 | 2 | 2 | 2 | 1 | NS | 4 | 08 | 2 | 3 | 1 | 2 | 3 | 3 | 1 | 0 | 3 | 3 | 2 | 1 | 1 | 6 | 1 | 2 | 3 | 0 | 1 | 0 | 0 | 3 | 4 | 2 | 09 | 3 | 2 | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 3 | 1 | 3 | 1 | 2 | 1 | 3 | 4 | 4 | 4 | 7 | 2 | 2 | 10 | 4 | 4 | 1 | 3 | 5 | 2 | 3 | 5 |??? |??? | 0 | 2 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 3 | 2 | 3 | 4 | 9 | 11 | 10 | 5 | 11 | 6 | 6 | 5 | 3 | 0 | 3 | 0 | 2 | 2 | 2 | 1 | 2 | 2 | 4 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 12 | 0 | 0 | 1 | 3 | 2 | 2 | 5 | 3 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | ES | 13 | 5 | 2 | 3 | 1 | 5 | 4 | 2 | 0 | 3 | 1 | 1 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 0 | 0 | 1 | 2 | 5 | ES | 14 | 4 | 1 | 0 | 1 | 4 | 3 | 1 | 2 | 4 | 1 | 3 | 4 | 4 | 1 | 2 | 3 | 2 | 0 | 1 | 4 | 7 | 5 | 2 | 5 | 15 | ES | 3 | 3 | 7 | 1 | 1 | 2 | 4 | 3 | 2 | 3 | 5 | 8 | 0 | 0 | 3 | 3 | 0 | 0 | 4 | 3 | 4 | 9 | ES | 16 | 2 | 0 | 3 | 0 | 3 | 1 | 4 | 1 | 1 | 1 | 0 | 0 | 3 | 2 | 1 | 3 | 0 | 2 | 7 | 2 | 3 | 2 | 4 | 3 | 17 | 2 | 4 | 5 | 3 | 3 | 4 | 3 | 2 | 4 | 0 | 3 | 4 | 2 | 1 | 1 | 1 | 3 | 6 | 1 | 2 | 4 | 5 | 8 | ES | 18 | ES | 1 | 4 | 3 | 0 | 0 | 3 | 2 | 5 | 3 | 4 |??? |??? | 3 | 1 | 1 | 2 | 4 | 0 | 5 | 3 | 2 | 1 | 9 | 19 | 1 | 0 | 3 | 4 | 0 | 0 | 5 | 2 | 1 | 1 | 1 | 4 | 1 | 2 | 4 | 3 | 3 | 1 | 0 | 6 | 5 | 5 | 4 | 2 | 20 |??? |??? | 1 | NS | 2 | 2 | 2 | 0 | 5 | 2 | 2 | 6 | 2 | 2 | 1 | 2 | 4 | 2 | 8 | 6 | 2 | 5 | 10 | 4 | 21 | 5 | 3 | 2 | 2 |??? | 6 | 3 | 1 | 2 | 2 | 3 | 2 | 3 | 3 | 4 | 2 | 0 | 3 | 1 | 1 | 1 | 2 | 2 | 3 | 22 |??? |??? |??? |??? |??? | 4 | 1 | 2 | 2 |??? | 1 | 1 | 3 | 4 | 6 | 5 | 4 | 5 | 6 | 3 | 3 | 4 | 1 | 4 | 23 | 1 | 3 | 1 | 1 | 0 | 0 | 3 | 0 | 2 | 5 | 1 | 0 | 6 | 0 | 3 | 2 | 2 | 4 | 2 | 1 | 4 | 7 | 2 |??? | 24 | 3 | 10 | 3 | 1 | 6 | 3 | 1 | 3 | 3 | 5 | 1 | 1 | 5 | 3 | 8 | 3 | 2 | 1 | 3 | 4 | 2 | 5 | 4 | ES | 25 | ES | 2 | 1 | 2 | 4 | 4 | 1 | 3 | 1 | 3 | 2 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 3 | 2 | 2 | 7 | 6 | 0 | 26 | 10 | 1 | 1 |??? |??? |??? |??? | 1 | 0 | 4 | 3 | 5 | 4 | 2 | 4 | 4 | 1 |??? |??? |??? |??? |??? |??? | 1 | 27 | 2 | 4 | 6 | 2 | 6 | 4 | 0 |??? |??? | 0 | 0 | 2 | 1 | 2 | 0 | 2 | 3 | 3 | 3 | 1 | 1 | 6 | 4 | 4 | 28 | 11 | 10 | 7 | 7 | 0 | 3 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 2 | 3 | 2 | 1 |??? |??? |??? |??? |??? | NS | 7 | 29 | 3 | 1 | 2 | 4 | 3 | 2 | 1 | 3 | 0 | 2 | 0 | 1 | 2 | 3 | 4 | 3 | 5 | 4 | 0 | 2 | 1 | 0 | 0 | 2 | 30 | 0 | 2 | 6 | 3 | 0 | 1 | 2 | 4 | 9 | 1 | 3 | 2 | 1 | 2 | 2 | 5 | 4 | 2 | 0 |??? |??? |??? | NS | 5 | 31 | 5 | 1 | 3 | 4 | 4 | 2 | 1 | 5 | 5 | 1 | 3 | 1 | 2 | 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 | 0 | 0 | 0 |Feb 01 | 0 | 0 | 0 | 1 | 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 | 04 |??? | 1 | 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 | 1 | 06 |??? |??? |??? |??? |??? | 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 | NS | 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 | 11 | 0 | 0 | 0 | 0 | 1 | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | ES | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | ES | 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 | ES | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ES | 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 | ES | 18 | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 |??? |??? | 0 | NS | 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 | 22 |??? |??? |??? |??? |??? | 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 |??? | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | ES | 25 | ES | 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 | 27 | 0 | 1 | 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 |??? |??? |??? |??? |??? | NS | 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 |??? |??? |??? | NS | 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 -------------------------------------------------------------------------------- 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 2025.04.05