Radio Meteor Observation in Japan No.283 May 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 -- May| 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 16 11%11%10 14 16 11 12 10 11 7 9 14 6 7 0 0 1 6 2 4 6 8 02 | 5 16 12 9 9 11 12 9 6 3 2 7 12 12 8 5 2 3 1 2 2 3 5 5 03 | 8 14 14 9 13 16 9 16 9 13 13 12 6 9 11 5 2 2 2 0 1 3 4 5 04 | 5 14 12 12 7 8 11 15 16 13 14 6 12 13 7 2 5 2 1 1 3 2 8 7 05 | 5 11 17 15 14 21 15 21 12 9 17 9 17 13 10 3 6 4 3 0 1 5 6 13 06 | 6 12 15 17 10 14 11 18 14 10 15 19 23 12 7 4 8 1 2 0 6 7 5 10 07 | 11 8 13 10 17 17 13 13 17 15 20 19 20 11 11 11 2 2 4 1 5 9 7 13 08 | 13 16 21 17 28 28 34 20 32 22 19 23 10 19 13 4 2 2 1 3 2 1 8 12 09 | 12 9 15 17 20 18 20 12 11 13 12 13 12 13 14 5 2 3 0 3 1 2 3 4 10 | 6 8 10 5 8 16 10 13 5 12 9 7 18 11 11 %5 -- -- -- -- -- -- -- -- 11 | -- -- -- -- -- -- --%26 16 10 17 15 14 15 11 7 3 4 1 4 5 1 6 5 12 | 6 8 8 11 10 10 18 8 17 11 9 10 18 9 9 2 4 2 2 0 2 7 4 13 13 | 7 10 14 12 14 15 16 20 7 16 8 7 10 8 8 5 2 1 0 2 0 5 4 10 14 | 8 12 13 17 12 18 20 16 10 15 13 10 14 13 12 5 1 2 1 2 2 9 3 8 15 | 7 8 14 10 11 10 16 12 6 11 5 7 8 6 6 7 0 2 1 4 3 3 3 5 16 | 10 10 6 14 20 9 10 10 13 6 3 6 10 5 5 4 0 2 1 3 1 8 3 10 17 | 9 4 11 11 22 14 14 12 15 10 4 8 6 10 4 3 1 2 1 1 4 4 3 4 18 | 4 8 10 7 15 12 19 11 9 10 4 12 5 6 6 2 2 1 4 %3 %2 5 9 5 19 | 7 9 8 10 22 17 19 11 9 8 7 3 13 9 7 4 0 0 2 1 3 5 6 9 20 | 12 15 8 9 14 15 14 11 8 5 1 6 6 8 5 6 1 0 4 1 3 2 6 4 21 | 11 14 11 7 10 15 13 14 11 8 7 3 8 5 8 3 3 3 1 2 0 3 5 8 22 | 2 11 8 6 12 7 7 6 4 5 4 3 7 9 8 2 7 3 3 1 2 6 4 6 23 | 9 9 11 15 17 15 16 7 6 6 7 7 5 15 3 4 5 3 2 1 5 3 5 6 24 | 10 9 10 17 11 14 13 20 5 9 4 7 9 5 11 6 3 2 1 0 2 6 3 1 25 | 5 11 7 10 8 10 19 8 11 10 5 6 5 8 10 5 8 3 4 2 3 6 6 12 26 | 10 16 11 11 17 8 19 11 12 14 10 13 11 14 15 3 3 1 0 3 3 5 9 7 27 | 15 10 12 16 18 12 10 7 9 7 4 5 5 6 11 4 0 1 1 2 5 3 4 5 28 | 12 23 8 14 17 10 22 13 7 9 4 3 4 9 6 3 6 2 0 1 3 6 5 11 29 | 12 17 14 18 17 16 22 15 12 14 7 9 12 7 7 4 2 1 0 2 6 5 9 5 30 | 9 11 10 14 22 8 12 12 6 10 5 6 9 11 11 5 %4 -- 2 2 6 6 3 4 31 | 11 14 17 22 13 16 20 22 11 6 4 7 10 5 10 7 2 1 4 3 10 4 11 14 ---+------------------------------------------------------------------------ May| 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 May| 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 1 03 | 1 1 04 | 2 1 05 | 1 1 06 | 1 1 1 07 | 1 1 1 08 | 1 1 1 1 1 09 | 1 1 10 | 11 | 1 12 | 1 13 | 1 1 1 14 | 1 15 | 1 16 | 1 17 | 18 | 19 | 20 | 1 1 1 21 | 22 | 23 | 24 | 1 25 | 1 26 | 1 27 | 1 1 28 | 29 | 1 30 | 31 | 1 ---+------------------------------------------------------------------------ May| 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 -- May| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 1 3 2 1 3 5 4 6 %5 6 4 4 2 7 7 0 1 0 2 2 2 1 3 7 02 | 3 3 5 3 9 0 12 6 6 5 5 2 1 1 1 2 1 2 1 0 3 0 1 2 03 | 2 3 4 2 3 4 9 3 6 3 5 %2 %1 0 0 0 0 1 1 1 2 0 5 3 04 | 3 2 6 2 8 3 2 6 8 2 1 3 2 0 IF IF IF IF 0 1 1 3 3 1 05 | 5 7 10 8 10 3 10 6 7 5 5 6 2 0 4 1 0 1 2 1 3 3 3 7 06 | 4 5 9 10 11 13 9 12 7 3 5 10 7 8 3 4 3 2 1 1 3 1 1 8 07 | 7 6 3 8 8 12 7 9 13 6 9 3 3 1 3 3 2 1 0 1 0 2 2 0 08 | 0 0 1 0 0 %2 0 0 5 4 3 6 5 1 0 0 0 1 1 0 4 2 1 0 09 | 3 0 4 2 %7 2 8 1 5 3 4 8 6 4 3 3 4 1 %0 IF IF IF 1 3 10 | 3 4 6 1 1 5 6 2 4 5 7 2 1 0 2 1 1 2 1 1 1 0 3 3 11 | 1 2 1 2 3 6 2 2 4 3 3 1 0 4 2 1 1 2 0 %2 1 1 0 4 12 | 4 3 5 4 2 6 9 3 6 3 1 0 2 1 1 0 3 4 0 %2 IF IF IF 3 13 | 4 0 0 2 4 1 10 6 2 2 2 %2 IF 3 0 0 0 0 0 IF IF %0 1 5 14 | 1 1 1 1 1 5 9 4 1 3 0 1 %0 IF 3 IF %0 %2 %0 IF %4 0 5 4 15 | 3 0 5 2 4 3 4 0 5 5 5 3 1 1 5 2 2 0 %2 %4 3 4 1 6 16 | 6 1 2 1 10 4 1 3 1 0 0 1 1 0 1 0 1 1 1 %2 IF %5 3 4 17 | 1 1 2 6 2 1 1 4 3 3 1 4 0 0 2 1 2 1 1 1 0 1 2 5 18 | 7 1 2 7 2 2 4 2 0 1 2 0 2 %5 %2 1 2 1 1 0 0 1 1 %2 19 | 3 5 1 0 2 3 4 0 IF 0 1 1 6 2 3 2 1 0 1 3 3 1 2 5 20 | 5 4 1 5 4 6 3 5 5 0 2 2 0 1 0 0 1 1 0 3 2 5 1 1 21 | 5 1 4 3 1 3 3 1 1 3 0 1 2 0 1 0 1 1 1 1 1 3 1 1 22 | 2 0 1 3 3 2 4 0 1 0 2 0 2 1 1 2 0 0 1 1 1 1 5 3 23 | 8 10 5 2 5 3 3 2 1 1 1 1 0 1 2 1 3 1 0 1 %0 0 2 2 24 | 3 3 7 5 4 12 2 3 3 1 0 1 2 4 0 5 2 3 1 1 1 2 1 2 25 | 2 2 2 6 2 9 10 7 5 3 2 3 4 1 4 6 3 5 0 %3 IF 4 3 11 26 | 5 7 9 5 7 10 10 5 6 5 6 3 5 4 %6 2 3 1 3 3 2 2 4 4 27 | 10 6 5 7 6 7 7 8 3 7 0 2 1 3 1 3 1 1 2 1 2 0 1 11 28 | 7 5 9 8 3 8 6 7 5 1 2 0 2 2 1 7 4 4 0 0 0 4 2 7 29 | 4 6 4 7 6 4 4 1 5 4 0 3 0 6 6 4 0 1 0 %0 0 %2 1 3 30 | 1 2 6 0 3 0 3 5 4 1 1 3 3 6 7 2 1 IF %0 0 IF IF %4 3 31 | 6 3 1 10 5 8 3 5 2 %0 1 0 0 0 2 1 4 11 %2 0 2 1 6 7 ---+------------------------------------------------------------------------ May| 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 May| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 1 02 | 03 | 1 1 04 | 05 | 1 1 1 1 06 | 1 1 1 07 | 1 08 | 09 | 1 1 10 | 1 11 | 12 | 13 | 14 | 1 1 15 | 16 | 17 | 1 18 | 19 | 1 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 1 29 | 30 | 31 | ---+------------------------------------------------------------------------ May| 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 -- May| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 09 | -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 0 3 9 10 | 3 8 9 7 7 8 13 16 10 7 4 %6 IF IF IF IF IF IF 2 1 5 3 0 6 11 | 4 0 5 8 9 8 11 %2 10 9 8 0 6 5 8 10 3 4 2 4 4 4 2 1 12 | 4 3 8 9 5 9 12 9 8 6 7 6 IF IF IF IF %6 5 3 1 4 9 13 3 13 | 5 5 2 5 8 8 14 4 2 IF IF IF IF IF IF IF IF 7 6 8 %3 7 5 2 14 | 6 4 10 2 4 3 3 8 4 4 5 1 0 6 1 0 2 5 1 3 4 1 4 3 15 | 6 3 3 6 6 6 5 2 6 2 2 4 3 3 3 5 5 8 5 6 3 1 4 10 16 | 4 3 2 8 10 4 4 6 7 9 0 5 3 6 2 6 6 3 2 4 0 %4 5 5 17 | 3 5 2 4 5 5 2 %1 IF %5 %0 0 0 0 0 0 4 0 0 %0 2 2 2 -- 18 | -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 19 | -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 20 | -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- %2 5 8 7 10 21 | 12 7 12 6 5 8 12 5 5%11 -- IF %4 9 7 4 2 7 3 3 1 3 5 11 22 | 5 6 4 3 5 8 4 7 5 6 9 6%10 2 IF IF 3 2 8 4 3 %1 4 4 23 | 5 5 5 8 5 6 %5 %8 9 7 4 %2 IF IF IF %8 5 1 2 7 1 4 7 9 24 | 5 9 7 2 6 6 4 IF 11 5 IF 6 2 4 6 7 4 1 4 5 2 4 2 2 25 | 4 9 5 7 3 4 4 12 %8 %7 2 8 5 7 11 5 1 5 3 IF %5 1 5 4 26 | 9 5 6 8 6 12 11 3 9 5 4 4 9 6 3 6 8 2 IF IF IF 2 10 10 27 | 10 5 6 5 9 11 5 10 4 5 %6 IF IF IF IF IF IF 3 5 IF 3 2 6 9 28 | 11 5 4 7 6 3 8 9 0 3 %2 IF %3 3 2 3 7 2 1 IF %0 1 4 5 29 | 14 7 2 2 3 5 2 5 %1 10 3 5 5 9 %1 15 6 8 8 %6 IF %5 6 3 30 | 7 4 1 5 6 7 4 8 7 %4 7 5 7 4 9 7 9 13 8 4 2 7 5 %9 ---+------------------------------------------------------------------------ May| 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 May| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 09 | 10 | 1 1 1 11 | 12 | 1 13 | 14 | 1 1 15 | 2 16 | 1 17 | 18 | 19 | 20 | 21 | 1 22 | 1 1 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | ---+------------------------------------------------------------------------ May| 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 -- May| 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 6 4 13 7 14 17 17%12 12 4 4 1 3 5 4 6 2 3 5 9 5 7 5 02 | 3 7 10 7 12 16 9 11 16 6 1 2 2 6 4 2 3 1 3 6 8 7 9 9 03 | 9 10 12 6 12 12 18 17 24 10 4 4 3 4 %4 1 3 2 5 3 4 10 6 %5 04 | 9 8 1 9 10 18 14 16 11 11 5 3 5 2 6 3 2 2 4 1 3 5 11 8 05 | 8 12 8 9 11 22 19 16 16 9 4 3 1 2 1 2 2 2 2 0 9 7 8 5 06 | 5 4 8 16 16 19 20 13 11 7 5 -- 5 3 7 4 4 3 3 3 7 17 5 7 07 | 11 5 9 17 18 24 19 26 13 10 7 4 0 %7 5 9 4 3 1 4 7 5 %6 -- 08 | -- -- -- -- -- -- -- -- 16 10 5 3 3 5 4 2 3 2 2 2 9 8 7 7 09 | 8 8 12 11 14 9 16 19 14 8 4 2 3 2 5 3 4 1 3 8 1 5 10 10 10 | 4 3 12 10 12 14 14 19 13 8 5 %4 -- -- -- -- -- -- -- -- -- -- -- -- 11 | -- -- -- -- -- -- -- -- 20 10 4 3 4 4 2 4 0 5 1 2 4 9 11 8 12 | 6 6 14 5 13 13 11 10 15%10 7 5 2 0 4 2 5 4 3 6 4 7 7 12 13 | 11 9 5 9 7 18 19 22 17 %8 -- %5 1 6 3 5 3 4 3 5 8 15 5 6 14 | 7 5 11 13 10 8 16 17 18 3 5 3 2 6 4 5 0 2 1 3 7 7 5 9 15 | 2 11 3 12 5 14 21 16 21 7 5 2 2 1 4 0 1 4 %7 4 6 6 8 7 16 | 9 8 6 9 7 13 9 10 11 11 7 0 1 1 4 4 4 2 4 5 7 11 4 7 17 | 8 12 12 11 9 9 12 11 13 4 %3 2 6 3 %1 2 1 1 3 5 14 13 14 12 18 | 8 7 7 15 10 10 19 22 8 5 %7 3 1 3 2 1 4 0 2 7 4 6 6 4 19 | 5 6 4 7 8 14 9 17 11 4 2 4 0 3 1 2 2 %6 %2 5 4 6 7 9 20 | 6 10 11 13 12 10 9 13 17 %9 %4 5 1 4 2 2 4 2 3 6 4 8 11 6 21 | 11 16 11 10 14 17 22 14 19 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 22 | -- -- -- -- -- -- -- -- -- -- 7 10 7 4 9 5 6 6 4 3 8 16 14 15 23 | 22 24 15 14 20 27 19 13 10 6 %0 -- %3 1 2 4 2 9 5 %8 9 12 11 11 24 | 20 8 16 17 16 18 17 22 11%12 %7 7 4 2 5 6 3 2 1 5 8 6 10 12 25 | 8 9 1 8 8 3 8 10%23 14 12 7 4 7 2 6 5 3%12 9 10 16 10 10 26 | 9 10 13 5 11 9 8 17 25 22 6 8 6 %6 %8 1 6 4 5 7 8 17 12 15 27 | 15 13 11 11 11 18 22 12 16 6 -- -- %5 3 7 6 4 6 -- 8 7 10 16 8 28 | 20 11 12 11 11 14 21 26 21%10%16%10 7 7 5 5 5 5 6 %7 7 16 10 17 29 | 14 10 5 10 15 13 20 23 19 12 9 4 5 4 6 4 9 4 5 4 6%14 11 7 30 | 13 5 9 7 9 12 16 17 18 13 5 %8 %8 %7 7 6 9 3 3 6 11 6 14 13 31 | 12 8 9 20 21 17 15 23%17 17 4 2 4 4 5 7 7 -- %7 5 10 3 12 15 ---+------------------------------------------------------------------------ May| 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 May| 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 | 2 1 1 1 1 1 03 | 1 1 1 1 04 | 1 2 2 1 1 05 | 2 1 1 06 | 1 1 1 2 1 07 | 3 1 2 1 08 | 1 09 | 1 1 10 | 1 1 1 11 | 1 12 | 2 13 | 2 1 14 | 1 1 1 15 | 1 16 | 1 17 | 18 | 19 | 1 1 20 | 1 1 1 21 | 1 22 | 23 | 1 1 1 24 | 1 1 1 1 25 | 1 26 | 1 1 27 | 1 28 | 1 29 | 1 1 30 | 1 1 1 31 | 1 1 ---+------------------------------------------------------------------------ May| 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 -- May| 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 | 5 1 2 8 7 7 5 7 8 2 5 3 1 5 2 3 2 3 1 0 5 7 3 7 02 | 3 5 5 5 10 8 6 11 7 7 1 2 5 3 4 5 1 1 0 1 3 3 6 5 03 | 4 0 0 4 6 6 7 8 8 7 5 4 4 2 5 4 1 0 3 3 1 3 4 7 04 | 4 6 6 5 5 16 12 9 9 3 4 1 7 8 3 2 2 0 0 1 0 4 3 4 05 | 5 6 8 4 9 5 6 15 10 6 6 3 3 5 4 3 0 2 2 2 2 2 6 3 06 | 6 2 2 7 6 9 6 7 15 10 5 7 6 5 5 1 2 3 1 0 3 4 5 3 07 | 2 2 4 4 6 18 9 17 9 6 8 5 7 6 4 2 1 1 2 0 1 4 3 7 08 | 6 4 8 5 11 15 14 9 14 11 7 5 2 3 2 2 1 2 2 3 4 1 4 3 09 | 8 7 2 12 6 10 18 13 9 3 3 6 8 6 4 3 0 1 2 1 1 6 6 8 10 | 6 6 5 6 8 7 8 12 7 7 4 4 4 8 8 4 2 2 2 0 2 6 8 4 11 | 5 1 6 2 7 10 10 10 6 9 3 5 2 6 3 3 1 1 2 1 0 2 5 2 12 | 3 5 7 3 7 10 7 13 6 3 1 4 4 4 2 2 1 2 1 1 2 2 1 8 13 | 3 3 6 4 8 8 5 14 10 4 6 5 5 4 2 3 3 2 5 0 3 2 6 3 14 | 4 3 3 6 8 10 12 9 12 3 3 7 3 7 1 3 3 5 5 6 3 3 5 2 15 | 3 4 6 5 7 12 8 9 7 6 5 5 3 5 2 2 0 0 2 3 5 1 4 6 16 | 5 2 4 10 5 7 16 13 8 5 4 5 4 5 2 2 3 1 1 2 3 3 7 7 17 | 5 6 7 7 6 5 7 8 7 4 5 1 5 10 4 3 4 2 1 2 2 6 7 6 18 | 3 1 5 5 7 5 12 9 5 4 1 5 2 2 4 3 4 1 1 1 1 1 3 3 19 | 4 5 4 3 3 2 9 7 4 3 6 4 3 3 1 3 2 2 1 1 3 4 4 3 20 | 3 1 4 8 9 7 7 7 5 6 3 2 3 3 4 3 1 0 2 1 5 2 2 6 21 | 0 3 2 4 6 16 10 10 2 3 1 2 2 8 8 4 3 4 3 3 0 2 5 5 22 | 6 4 5 4 14 11 8 7 7 9 6 4 2 5 6 1 3 7 2 2 1 1 5 7 23 | 6 6 5 3 7 8 10 7 9 6 4 2 6 5 7 2 2 4 1 4 8 6 8 2 24 | 8 8 5 5 8 11 6 12 13 8 4 3 5 8 7 5 6 4 3 2 4 5 4 9 25 | 6 4 9 7 10 9 8 14 13 5 7 6 3 8 3 2 5 2 0 3 3 5 5 6 26 | 7 6 4 7 15 13 15%12 8 8 5 10 6 5 4 5 2 7 1 3 3 10 7 9 27 | 4 4 7 6 5 9 13 17 10 6 3 5 1 3 4 3 1 3 4 3 4 4 6 4 28 | 10 7 5 10 13 10 11 16 8 4 2 2 4 3 3 7 4 1 3 2 5 2 10 %6 29 | 5 8 4 6 12 11 14 15 15 8 5 3 3 5 7 -- %4 3 3 4 5 5 3 8 30 | 8 10 9 6 11 9 23 18 10 6 11 9 8 8 7 13 5 0 0 5 1 4 3 8 31 | 11 7 8 7 7 10 9 13 7 9 3 1 1 5 9 2 4 4 5 1 7 8 5 10 ---+------------------------------------------------------------------------ May| 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 May| 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 | 3 03 | 1 04 | 1 1 05 | 1 06 | 1 1 1 1 1 1 07 | 1 1 1 08 | 1 1 1 09 | 1 1 1 10 | 1 1 11 | 1 1 12 | 1 13 | 14 | 1 15 | 16 | 1 17 | 18 | 1 19 | 1 20 | 1 1 21 | 1 1 1 22 | 1 1 23 | 24 | 1 25 | 26 | 27 | 28 | 29 | 1 30 | 1 31 | ---+------------------------------------------------------------------------ May| 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 -- May| 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 2 1 3 7 4 4 1 1 2 1 0 0 0 2 3 2 2 2 0 10 4 2 5 02 | 1 2 4 4 6 5 2 2 2 1 0 1 2 3 2 2 2 0 2 0 1 2 0 4 03 | 1 4 6 3 2 6 3 1 2 3 2 1 0 2 1 1 0 1 2 1 2 1 1 2 04 | 1 1 0 4 4 7 6 4 4 3 2 1 3 0 1 0 0 1 0 0 3 2 3 2 05 | 2 1 2 2 6 5 5 5 3 4 1 2 0 0 2 2 0 2 0 0 4 3 3 1 06 | 1 1 2 13 6 7 2 7 2 4 1 5 2 2 4 1 3 1 0 0 6 6 0 4 07 | 3 1 3 5 9 11 5 8 3 3 1 4 1 2 2 1 4 0 0 1 3 2 1 0 08 | 0 0 0 0 0 0 0 1 4 1 3 0 0 2 0 2 2 1 2 1 1 3 4 3 09 | 2 3 4 6 5 4 7 2 3 2 0 2 2 2 1 2 3 2 1 3 1 3 5 0 10 | 3 1 2 4 5 7 3 5 3 1 1 1 2 1 0 3 3 3 3 1 1 2 2 1 11 | 3 1 5 6 5 3 3 4 2 3 1 1 1 0 2 0 0 1 0 1 1 4 3 0 12 | 1 2 2 2 5 4 5 2 6 2 1 2 1 1 1 0 2 1 2 1 0 0 1 6 13 | 2 2 5 6 1 9 8 5 3 3 2 2 2 0 1 3 1 1 1 4 2 8 3 2 14 | 1 1 3 4 1 3 6 4 3 0 2 2 1 1 2 4 1 2 0 2 4 4 4 3 15 | 2 2 3 3 2 5 7 6 5 1 5 1 1 2 1 1 0 0 1 3 3 1 2 3 16 | 1 2 1 4 3 3 2 1 1 2 1 2 0 1 4 5 2 1 1 2 2 3 3 6 17 | 2 3 7 2 6 5 8 3 2 2 0 1 3 1 2 0 2 2 0 1 4 6 3 1 18 | 4 1 1 3 2 2 5 3 1 0 1 2 3 1 0 0 4 0 0 2 1 3 4 1 19 | 1 0 1 4 5 4 5 4 1 1 2 2 0 1 0 1 1 4 1 2 0 4 4 4 20 | 6 2 2 10 9 8 5 4 4 1 3 1 2 2 1 2 2 2 2 3 3 2 4 2 21 | 3 2 3 3 3 7 5 0 3 0 0 4 1 1 2 2 2 0 2 1 3 6 2 1 22 | 2 2 3 0 6 4 6 6 3 0 1 2 2 1 1 0 0 1 1 1 1 4 4 1 23 | 4 2 1 6 3 6 3 2 7 2 0 1 4 4 5 6 2 4 0 3 2 1 1 2 24 | 5 2 3 5 7 7 5 2 0 1 0 3 3 0 0 3 1 1 1 1 8 3 4 5 25 | 4 6 2 8 5 2 5 1 4 2 2 2 0 2 0 3 3 1 2 2 7 6 2 1 26 | 2 4 6 0 8 2 4 2 4 6 1 2 1 3 3 2 1 2 1 2 3 2 3 6 27 | 6 4 0 2 5 6 7 4 5 3 2 0 0 2 1 1 2 0 0 4 4 4 2 1 28 | 4 3 5 2 6 6 6 3 %7 ES ES %1 1 1 0 2 2 4 1 0 2 6 2 7 29 | 1 1 1 2 2 3 3 6 2 0 4 0 2 0 1 0 2 2 0 2 3 6 2 1 30 | 4 2 3 3 1 0 7 8 4 0 1 2 1 1 4 1 2 2 1 2 6 1 3 2 31 | 3 1 4 3 6 6 6 3 4 0 0 0 0 1 4 1 1 ES ES %5 3 1 3 4 ---+------------------------------------------------------------------------ May| 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 May| 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 2 1 1 03 | 2 04 | 1 1 2 1 05 | 1 06 | 1 1 07 | 2 1 08 | 1 09 | 1 10 | 1 1 11 | 1 1 12 | 13 | 14 | 1 1 15 | 16 | 1 17 | 18 | 19 | 2 1 20 | 1 1 1 1 1 21 | 22 | 1 1 23 | 1 24 | 1 1 1 25 | 2 1 1 26 | 2 1 27 | 1 28 | 29 | 30 | 1 1 1 31 | 1 1 ---+------------------------------------------------------------------------ May| 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＋RFamp Receiver: SDR　PC HPdc7900　win11 -- Total number of echoes -- May| 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 | 21 20 29 23 20 34 27 37 26 17 17 14 22 23 9 11 12 8 3 11 8 10 21 24 02 | 8 23 20 24 28 30 28 44 29 24 22 22 30 27 4 16 10 3 4 5 9 8 16 25 03 | 31 24 22 26 34 35 31 20 19 20 16 14 15 21 16 15 9 4 5 4 5 9 16 17 04 | 19 21 23 26 29 39 36 28 28 19 28 19 19 17 17 11 14 6 5 4 6 14 24 14 05 | 11 28 26 26 43 51 37 28 31 16 20 23 24 24 18 6 11 13 5 2 7 8 9 27 06 | 21 17 25 31 33 49 35 31 35 20 33 18 16 13 9 10 6 4 4 6 4 15 13 17 07 | 16 24 28 25 32 76 27 29 34 21 30 23 19 16 18 8 9 9 10 9 14 7 17 28 08 | 21 24 22 36 35 47 48 30 35 24 18 17 14 16 9 16 12 11 1 6 7 12 17 22 09 | 8 18 26 20 31 35 32 46 27 33 14 20 18 24 18 14 7 8 5 8 10 7 8 18 10 | 19 19 25 22 27 22 33 41 24 18 20 26 18 18 12 16 7 4 6 13 12 15 16 23 11 | 16 22 32 26 34 37 37 38 27 24 16 19 24 21 14 12 4 4 7 6 8 4 18 21 12 | 25 17 20 21 27 25 29 26 27 18 14 23 21 17 19 19 7 8 6 8 11 15 14 21 13 | 18 16 22 28 35 32 29 29 27 22 15 20 17 17 10 10 8 8 3 6 7 13 12 18 14 | 17 18 18 29 16 32 27 28 14 20 12 23 9 15 15 9 7 8 5 12 10 11 17 15 15 | 15 21 16 12 15 30 30 40 24 17 15 11 27 19 16 20 12 5 8 4 6 8 17 24 16 | 18 18 23 28 32 41 44 30 31 14 13 18 22 19 17 9 4 9 3 5 10 13 17 17 17 | 27 39 17 20 16 27 28 26 21 11 20 18 19 19 14 7 5 5 2 2 6 7 11 18 18 | 17 14 31 27 19 26 28 32 21 15 5 10 10 11 16 19 11 12 8 9 8 14 21 24 19 | 18 17 26 18 30 29 32 30 27 23 17 13 23 26 11 18 7 7 3 8 6 20 17 24 20 | 22 35 19 38 30 23 23 26 31 17 12 18 16 15 10 9 9 6 5 7 8 18 14 21 21 | 23 26 25 21 35 36 32 25 26 17 17 16 18 22 16 7 16 7 24 3 5 10 7 14 22 | 21 32 23 31 22 26 27 36 23 21 14 9 17 10 16 18 8 5 5 9 17 12 16 25 23 | 18 17 24 23 42 46 25 31 22 19 14 14 18 21 15 19 10 11 6 5 18 10 21 20 24 | 34 26 26 29 36 24 43 32 25 16 14 13 14 19 18 18 9 6 8 4 10 14 22 27 25 | 29 29 29 26 41 24 36 29 25 17 13 21 14 28 23 11 13 10 5 10 9 17 16 32 26 | 37 21 25 25 33 49 29 53 35 23 15 23 20 25 25 10 11 7 IF 2 11 19 33 30 27 | 29 40 22 28 43 41 35 26 19 11 11 15 IF IF 23 26 14 5 6 7 7 14 18 32 28 | 19 25 29 26 31 34 17 31 17 24 IF IF IF IF 11 9 IF IF 12 5 8 16 33 37 29 | 36 39 33 33 39 48 45 52 26 21 16 15 24 24 21 13 18 7 7 7 7 12 24 42 30 | 36 35 35 28 19 27 39 31 44 20 21 29 11 30 29 12 13 9 3 7 14 16 18 38 31 | 43 26 26 30 29 22 25 23 18 5 6 6 12 11 22 9 12 IF IF 7 9 17 16 25 ---+------------------------------------------------------------------------ May| 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 May| 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 1 5 2 5 3 3 2 5 4 2 1 2 1 02 | 1 1 1 3 1 3 8 1 3 2 5 1 3 2 1 1 3 03 | 2 2 2 5 7 2 3 1 2 3 1 1 1 2 04 | 1 2 2 2 1 3 5 3 6 5 1 1 1 2 1 05 | 3 1 5 6 4 2 9 4 4 1 1 1 1 1 3 06 | 1 1 1 3 7 11 5 7 5 3 5 3 1 3 1 1 1 07 | 1 1 2 2 3 10 3 6 6 4 2 3 1 2 2 1 08 | 3 2 1 6 1 4 6 7 3 6 2 1 1 5 4 1 2 2 09 | 1 1 2 4 6 6 6 5 7 2 1 3 1 1 1 1 1 1 1 1 10 | 3 3 2 2 3 5 5 3 1 3 4 2 1 1 1 1 1 1 1 11 | 1 2 1 3 3 2 3 1 2 4 3 1 2 1 1 1 1 1 12 | 2 1 1 1 9 7 3 4 2 2 3 1 1 1 13 | 1 1 3 2 1 8 4 2 2 2 1 2 1 1 1 14 | 1 2 5 2 2 3 1 1 1 1 1 1 1 2 15 | 1 2 1 1 3 2 1 1 4 1 1 1 2 16 | 2 2 3 2 5 3 4 1 1 4 3 1 17 | 2 2 3 3 1 2 4 1 3 1 2 1 1 18 | 1 2 1 2 1 2 2 2 1 1 2 3 1 19 | 2 1 1 1 1 3 4 2 2 2 4 2 2 1 1 2 20 | 2 5 5 1 3 1 3 1 3 1 1 1 1 1 4 21 | 1 3 1 3 3 1 2 2 4 22 | 2 2 1 3 1 3 2 5 2 1 2 2 2 1 1 3 23 | 3 3 3 3 4 1 1 1 1 1 1 1 3 1 24 | 1 2 2 3 4 8 4 1 2 3 1 1 1 1 3 25 | 1 3 3 2 4 1 9 1 1 2 3 1 1 1 1 1 26 | 2 1 1 2 3 1 4 4 2 1 1 1 1 1 27 | 2 2 1 1 3 1 3 1 1 1 1 2 1 1 28 | 1 1 1 1 1 1 1 2 1 1 2 29 | 2 2 1 4 3 2 1 2 1 1 1 1 1 30 | 5 1 1 3 1 1 1 1 4 1 3 1 2 31 | 2 1 7 1 1 2 1 1 1 1 1 1 2 ---+------------------------------------------------------------------------ May| 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 -- May| 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 | 3 | 1 | 2 | 1 | 1 | 2 | 1 | 1 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 02 | 6 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 03 | 1 | 3 | 1 | 1 | 0 | 3 | 3 | 0 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 0 | 1 | 3 | 1 | 04 | 1 | 3 | 2 | 2 | 1 | 2 | 1 | 4 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 0 | 0 | 3 | 3 | 1 | 0 | 2 | 3 | 1 | 05 | 3 | 2 | 1 | 3 | 5 | 7 | 2 | 2 | 2 | 1 | 0 | 0 | 1 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 06 | 0 | 1 | 0 | 2 | 3 | 2 | 0 | 2 | 1 | 2 | 2 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 07 | 4 | 3 | 7 | 4 | 3 | 2 | 4 | 2 | 3 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 1 | 1 | 08 | 0 | 2 | 1 | 0 | 1 | 1 | 4 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 3 | 3 | 0 | 1 | 2 | 09 | 1 | 2 | 1 | 4 | 5 | 2 | 1 | 1 | 0 | 0 | 4 | 1 | 2 | 4 | 0 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 1 | 10 | 2 | 2 | 0 | 1 | 0 | 1 | 4 | 0 | 2 | 1 | 7 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 4 | 2 | 1 | 6 | 7 | 11 | 2 | 3 | 1 | 1 | 2 | 2 | 0 | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 12 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 2 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 1 | 13 | 0 | 0 | 0 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 4 | 1 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 14 | 0 | 1 | 1 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 1 | 15 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 16 | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 3 | 4 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 17 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 18 | 4 | 3 | 2 | 3 | 1 | 1 | 2 | 0 | 3 | 2 | 1 | 1 | 1 | 3 | 3 | 3 | 1 | 0 | 1 | 0 | 0 | 2 | 4 | 3 | 19 | 2 | 3 | 2 | 3 | 0 | 2 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 2 | 0 | 4 | 20 | 2 | 0 | 0 | 1 | 0 | 3 | 1 | 0 | 0 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 3 | 0 | 1 | 2 | 1 | 21 | 3 | 0 | 1 | 3 | 2 | 0 | 3 | 1 | 2 | 1 | 0 | 0 | 1 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 3 | 22 | 3 | 2 | 2 | 2 | 3 | 2 | 1 | 3 | 0 | 0 | 1 | 1 | 0 | 4 | 1 | 0 | 1 | 2 | 0 | 1 | 2 | 2 | 3 | 2 | 23 | 4 | 0 | 1 | 1 | 2 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 3 | 3 | 24 | 5 | 0 | 4 | 1 | 3 | 0 | 1 | 2 | 0 | 1 | 2 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 25 | 0 | 1 | 0 | 2 | 0 | 2 | 5 | 0 | 4 | 1 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 26 | 0 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |??? | 0 | 2 | 1 | 0 | 1 | 0 | 0 | 2 | 4 | 2 | 4 | *replaced antenna 27 | 0 | 1 | 4 | 3 | 5 | 8 | 4 | 1 | 6 | 1 | 2 | 2 | 2 | 0 | 2 |??? |??? | 0 | 0 | 0 | 3 | 2 | 8 | 7 | 28 | 4 | 8 | 6 | 5 | 5 | 3 | 3 | 2 | 0 | 1 | 2 | 2 | 0 | 3 | 2 | 0 | 0 |??? | 1 | 3 | 5 | 5 | 9 | 8 | 29 | 12 | 9 | 5 | 8 | 7 | 8 | 1 | 5 | 4 | 1 | 2 | 1 | 1 | 2 | 8 | 6 | 3 | 0 | 1 | 3 | 5 | 9 | 8 | 5 | 30 | 5 | 6 | 9 | 11| 7 | 7 | 5 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 4 | 2 | 2 | 2 | 0 | 1 | 3 | 2 | 6 | 5 | 31 | 6 | 7 | 10| 9 | 8 | 6 | 9 | 6 | 4 | 2 | 0 | 3 | 6 | 1 | 6 | 2 | 3 | 2 | 3 | 2 | 6 | 5 | 9 | 8 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 May| 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 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 1 | 2 | 0 | 1 | 3 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 1 | 0 | 4 | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 6 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 1 | 1 | 7 | 2 | 1 | 1 | 4 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 15 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 3 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 21 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 1 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 -- May| 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 | 12 | 0 | 0 | 19 | 33 | 37 | 17 | 32 | 18 | 19 | 19 | 10 | 13 | 14 | 6 | 9 | 11 | 9 | 5 | 5 | 8 | 17 | 12 | 15 | 02 | 19 | 16 | 9 | 22 | 33 | 26 | 38 | 35 | 13 | 24 | 10 | 4 | 22 | 11 | 16 | 12 | 4 | 6 | 9 | 6 | 9 | 11 | 14 | 13 | 03 | 18 | 13 | 22 | 26 | 26 | 32 | 36 | 32 | 27 | 15 | 20 | 16 | 13 | 13 | 7 | 12 | 14 | 5 | 1 | 9 | 5 | 10 | 15 | 12 | 04 | 15 | 11 | 21 | 23 | 21 | 32 | 35 | 32 | 41 | 20 | 11 | 9 | 5 | 19 | 7 | 10 | 5 | 6 | 6 | 6 | 6 | 8 | 11 | 24 | 05 | 8 | 15 | 16 | 18 | 35 | 45 | 38 | 42 | 29 | 28 | 29 | 12 | 14 | 3 | 11 | 7 | 9 | 3 | 5 | 4 | 8 | 5 | 16 | 19 | 06 | 17 | 16 | 10 | 30 | 36 | 41 | 36 | 36 | 32 | 26 | 19 | 13 | 18 | 13 | 27 | 16 | 14 | 6 | 13 | 4 | 11 | 11 | 17 | 14 | 07 | 14 | 8 | 3 | 21 | 45 | 43 | 56 | 42 | 42 | 22 | 7 | 19 | 30 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 8 | 17 | 19 | 15 | 14 | 10 | 4 | 11 | 5 | 5 | 0 | 1 | 0 | 1 | 1 | 3 | 4 | 0 | 20 | 12 | 09 | 13 | 7 | 9 | 16 | 37 | 27 | 22 | 29 | 39 | 9 | 15 | 9 | 12 | 3 | 7 | 12 | 3 | 2 | 3 | 4 | 3 | 10 | 12 | 15 | 10 | 9 | 11 | 17 | 19 | 11 | 16 | 22 | 26 | 18 | 12 | 19 | 11 | 14 | 16 | 11 | 9 | 5 | 7 | 5 | 5 | 8 | 12 | 11 | 20 | 11 | 9 | 13 | 14 | 14 | 33 | 23 | 34 | 26 | 36 | 21 | 6 | 5 | 17 | 15 | 14 | 16 | 8 | 6 | 26 | 0 | 0 | 3 | 7 | 13 | 12 | 17 | 13 | 20 | 22 | 28 | 30 | 26 | 36 | 5 | 17 | 4 | 3 | 0 | 18 | 20 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 1 | 0 | 0 | 2 | 5 | 1 | 7 | 5 | 10 | 7 | 2 | 7 | 9 | 15 | 12 | 16 | 6 | 5 | 4 | 9 | 7 | 10 | 12 | 13 | 14 | 7 | 10 | 17 | 15 | 25 | 25 | 34 | 20 | 20 | 15 | 6 | 3 | 12 | 21 | 12 | 0 | 5 | 7 | 4 | 9 | 6 | 10 | 14 | 6 | 15 | 11 | 13 | 12 | 20 | 32 | 24 | 41 | 22 | 8 | 9 | 13 | 4 | 21 | 11 | 12 | 16 | 1 | 2 | 1 | 2 | 7 | 8 | 13 | 13 | 16 | 10 | 8 | 11 | 16 | 32 | 20 | 31 | 21 | 13 | 14 | 19 | 12 | 12 | 13 | 13 | 14 | 5 | 3 | 3 | 4 | 8 | 15 | 13 | 17 | 17 | 8 | 5 | 17 | 15 | 26 | 25 | 22 | 15 | 8 | 0 | 0 | 4 | 9 | 16 | 7 | 7 | 7 | 4 | 2 | 0 | 5 | 10 | 18 | 70 | 18 | 12 | 14 | 12 | 14 | 17 | 26 | 31 | 34 | 10 | 10 | 7 | 19 | 12 | 11 | 20 | 8 | 5 | 6 | 1 | 1 | 7 | 9 | 15 | 17 | 19 | 11 | 12 | 13 | 18 | 17 | 15 | 17 | 24 | 5 | 11 | 5 | 9 | 13 | 2 | 6 | 14 | 8 | 4 | 3 | 4 | 9 | 8 | 13 | 17 | 20 | 14 | 17 | 9 | 18 | 20 | 22 | 14 | 8 | 11 | 11 | 10 | 5 | 8 | 15 | 10 | 7 | 3 | 3 | 6 | 5 | 10 | 10 | 7 | 14 | 21 | 6 | 7 | 17 | 20 | 27 | 25 | 31 | 6 | 9 | 7 | 7 | 7 | 6 | 10 | 15 | 5 | 8 | 22 | 20 | 4 | 5 | 5 | 12 | 12 | 22 | 8 | 11 | 16 | 8 | 23 | 12 | 22 | 19 | 13 | 12 | 0 | 11 | 9 | 10 | 8 | 17 | 9 | 9 | 4 | 2 | 12 | 5 | 18 | 14 | 23 | 16 | 10 | 9 | 15 | 17 | 29 | 25 | 25 | 9 | 4 | 5 | 2 | 0 | 0 | 9 | 3 | 4 | 4 | 2 | 10 | 11 | 8 | 12 | 12 | 24 | 37 | 12 | 17 | 19 | 32 | 25 | 26 | 18 | 16 |??? | 2 | 20 |??? | 2 | 14 | 14 | 5 | 7 | 5 | 11 | 5 | 17 | 4 | 10 | 25 | 7 | 13 | 11 | 8 | 20 | 24 | 25 | 17 | 11 | 2 | 0 | 1 | 9 | 7 | 14 | 7 | 10 | 11 | 5 | 12 | 11 | 7 | 10 | 12 | 26 | 8 | 14 | 18 | 24 | 24 | 24 | 25 | 27 | 23 | 2 | 12 | 9 | 7 | 12 | 12 | 86 | 1 | 6 | 0 | 2 | 10 | 8 | 20 | 10 | 27 | 9 | 18 | 20 | 21 | 15 | 17 | 19 | 12 | 7 | 2 | 6 | 3 | 11 | 10 | 6 | 10 | 3 | 6 | 3 | 8 | 13 | 10 | 13 | 14 | 28 | 16 | 12 | 7 | 28 | 12 | 23 | 29 | 27 | 15 | 8 | 16 | 6 | 7 | 11 | 7 | 13 | 6 | 3 | 8 | 5 | 4 | 9 | 15 | 16 | 29 | 13 | 17 | 11 | 17 | 79 | 21 | 32 | 12 | 10 | 6 | 5 | 12 | 4 | 11 | 5 | 17 | 2 | 9 | 5 | 5 | 12 | 13 | 18 | 13 | 30 | 20 | 12 | 16 | 23 | 20 | 22 | 37 | 17 | 29 | 1 | 6 | 9 | 6 | 17 | 9 | 16 | 11 | 7 | 2 | 3 | 6 | 7 | 15 | 10 | 31 | 12 | 9 | 21 | 12 | 27 | 22 | 29 | 17 | 19 | 16 | 6 | 4 | 2 | 5 | 9 | 10 | 8 | 11 | 0 | 6 | 8 | 15 | 15 | 15 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 May| 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 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 2 | 3 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 2 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 1 | 3 | 1 | 1 | 3 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 1 | 0 | 0 | 2 | 1 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 1 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 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 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 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 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 1 | 1 | 1 | 0 | 2 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 Location: Mitane, Akita, Japan (140.0 E, 40.1 N) Frequency: 52.905 MHz Transmitter Location: HAM beacon (50 W CW, 52.905 MHz), Higashimurayama, Tokyo, Japan Antenna : DIAMOND A502HBR2 Receiver : SDR# Method : by using HROFFT software (by Michinari Yamamoto) manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- May| 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 | 1 | 4 | 3 | 7 | 6 | 4 | 3 | 0 | 4 | 3 | 20 | 0 | 0 | 1 | 2 | 0 | 3 | 1 | 0 | 1 | 2 | 0 | 0 | 3 | 02 | 6 | 0 | 3 | 2 | 10 | 2 | 6 | 4 | 2 | 1 | 3 | 0 | 2 | 1 | 3 | 2 | 0 | 1 | 0 | 1 | 1 | 4 | 3 | 5 | 03 | 2 | 1 | 1 | 8 | 7 | 9 | 5 | 2 | 0 | 3 | 0 | 3 | 3 | 1 | 1 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 4 | 1 | 04 | 5 | 1 | 5 | 4 | 10 | 11 | 5 | 3 | 1 | 0 | 1 | 1 | 3 | 2 | 4 | 2 | 2 | 0 | 0 | 1 | 0 | 2 | 0 | 6 | 05 | 1 | 3 | 3 | 4 | 13 | 19 | 10 | 8 | 12 | 0 | 1 | 2 | 2 | 5 | 4 | 4 | 3 | 0 | 0 | 2 | 0 | 1 | 3 | 0 | 06 | 1 | 0 | 1 | 3 | 3 | 5 | 10 | 4 | 1 | 6 | 1 | 5 | 3 | 1 | 3 | 3 | 2 | 3 | 3 | 0 | 2 | 0 | 0 | 1 | 07 | 3 | 1 | 3 | 7 | 4 | 11 | 10 | 7 | 12 | 10 | 5 | 2 | 1 | 3 | 1 | 4 | 1 | 2 | 0 | 0 | 2 | 0 | 4 | 2 | 08 | 0 | 2 | 4 | 14 | 5 | 3 | 13 | 8 | 10 | 2 | 4 | 7 | 1 | 0 | 2 | 2 | 1 | 2 | 0 | 4 | 1 | 0 | 2 | 3 | 09 | 1 | 1 | 6 | 7 | 21 | 8 | 2 | 4 | 7 | 4 | 1 | 5 | 2 | 1 | 3 | 4 | 0 | 0 | 2 | 2 | 2 | 3 | 2 | 2 | 10 | 3 | 2 | 9 | 4 | 0 | 3 | 3 | 3 | 3 | 3 | 22 | 2 | 4 | 2 | 5 | 0 | 1 | 2 | 1 | 0 | 3 | 6 | 0 | 2 | 11 | 0 | 3 | 1 | 5 | 15 | 3 | 6 | 10 | 5 | 1 | 0 | 0 | 7 | 2 | 0 | 2 | 1 | 1 | 6 | 1 | 2 | 5 | 1 | 2 | 12 | 2 | 5 | 9 | 7 | 6 | 9 | 7 | 4 | 15 | 2 | 0 | 8 | 0 | 0 | 8 | 2 | 2 | 0 | 0 | 2 | 1 | 4 | 1 | 0 | 13 | 7 | 2 | 3 | 6 | 5 | 7 | 12 | 10 | 10 | 1 | 3 | 1 | 1 | 6 | 3 | 3 | 1 | 1 | 0 | 1 | 3 | 6 | 1 | 2 | 14 | 1 | 1 | 1 | 1 | 0 | 15 | 7 | 7 | 0 | 3 | 0 | 0 | 2 | 4 | 3 | 2 | 1 | 0 | 0 | 1 | 1 | 2 | 5 | 2 | 15 | 2 | 1 | 3 | 5 | 9 | 9 | 8 | 2 | 3 | 2 | 3 | 2 | 1 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 6 | 16 | 2 | 2 | 4 | 1 | 4 | 3 | 8 | 8 | 2 | 1 | 1 | 8 | 2 | 1 | 2 | 6 | 2 | 1 | 3 | 2 | 0 | 3 | 1 | 2 | 17 | 1 | 3 | 8 | 5 | 10 | 8 | 7 | 5 | 1 | 0 | 0 | 1 | 1 | 5 | 1 | 4 | 2 | 0 | 0 | 0 | 0 | 1 | 2 | 4 | 18 | 2 | 0 | 4 | 5 | 2 | 8 | 14 | 8 | 5 | 2 | 2 | 4 | 6 | 2 | 5 | 2 | 2 | 5 | 0 | 2 | 0 | 2 | 2 | 1 | 19 | 2 | 2 | 2 | 2 | 3 | 5 | 6 | 5 | 7 | 1 | 1 | 4 | 0 | 3 | 6 | 3 | 4 | 1 | 2 | 1 | 0 | 0 | 1 | 4 | 20 | 0 | 3 | 4 | 6 | 7 | 3 | 5 | 1 | 3 | 1 | 0 | 1 | 0 | 3 | 2 | 3 | 2 | 1 | 3 | 3 | 6 | 4 | 3 | 6 | 21 | 2 | 5 | 8 | 6 | 6 | 5 | 12 | 4 | 2 | 2 | 2 | 2 | 0 | 3 | 2 | 1 | 1 | 21 | 4 | 0 | 5 | 4 | 5 | 1 | 22 | 2 | 7 | 2 | 4 | 6 | 3 | 4 | 11 | 3 | 1 | 0 | 1 | 0 | 4 | 3 | 11 | 1 | 0 | 1 | 1 | 2 | 2 | 1 | 2 | 23 | 3 | 5 | 4 | 7 | 8 | 7 | 6 | 8 | 3 | 0 | 2 | 0 | 3 | 0 | 1 | 0 | 2 | 2 | 1 | 2 | 5 | 6 | 6 | 3 | 24 | 6 | 5 | 4 | 5 | 7 | 10 | 6 | 5 | 5 | 3 | 1 | 4 | 1 | 4 | 5 | 2 | 5 | 2 | 2 | 3 | 0 | 6 | 2 | 3 | 25 | 9 | 4 | 2 | 3 | 2 | 5 | 5 | 6 | 4 | 0 | 0 | 2 | 2 | 0 | 2 | 0 | 3 | 0 | 2 | 3 | 1 | 3 | 5 | 3 | 26 | 4 | 5 | 5 | 12 | 5 | 11 | 8 | 5 | 6 | 6 | 2 | 2 | 0 | 3 | 8 | 2 | 1 | 5 | 0 | 0 | 4 | 3 | 8 | 6 | 27 | 6 | 3 | 6 | 5 | 5 | 5 | 2 | 1 | 1 | 2 | 1 | 0 | 3 | 3 | 4 | 1 | 0 | 2 | 1 | 2 | 7 | 6 | 3 | 5 | 28 | 5 | 4 | 1 | 18 | 14 | 4 | 10 | 7 | 2 | 3 | 5 | 1 | 3 | 6 | 1 | 2 | 1 | 2 | 0 | 1 | 2 | 5 | 3 | 7 | 29 | 7 | 2 | 0 | 7 | 7 | 6 | 7 | 2 | 4 | 1 | 1 | 3 | 4 | 3 | 2 | 5 | 1 | 1 | 1 | 3 | 4 | 5 | 3 | 4 | 30 | 2 | 4 | 0 | 7 | 6 | 7 | 6 | 4 | 1 | 0 | 2 | 1 | 1 | 5 | 1 | 3 | 5 | 1 | 0 | 1 | 3 | 0 | 2 | 1 | 31 | 2 | 5 | 2 | 5 | 17 | 7 | 7 | 1 | 2 | 2 | 0 | 3 | 1 | 2 | 8 | 0 | 2 | 3 | 2 | 3 | 1 | 3 | 3 | 3 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 May| 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 1 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 1 | 1 | 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 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 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 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 -- May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 30 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |Apr 01 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 2 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 2 | 2 | 1 | 0 | 1 | 0 | 2 | 03 | 3 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 2 | 1 | 04 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 2 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 06 | 1 | 1 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 07 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | 0 | 1 | 08 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 2 | 3 | 1 | 0 | 09 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 2 | 1 | 10 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | 1 | 11 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 12 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 13 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 3 | 1 | 2 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 16 | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 1 | 1 | 0 | 0 | 17 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 18 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 2 | 0 | 20 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 21 | 0 | 0 | 1 | 1 | 0 | 2 | 0 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 1 | 1 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 1 | 2 | 1 | 1 | 1 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 4 | 1 | 1 | 2 | 1 | 2 | 0 | 26 | 1 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 1 | 1 | 0 | 0 | 2 | 0 | 27 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 28 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 1 | 0 | 1 | 2 | 1 | 1 | 29 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 30 | 1 | 0 | 0 | 0 | 1 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 2 | 2 | 4 | 0 | 31 | 0 | 0 | 1 | 2 | 0 | 0 | 2 | 1 | 2 | 1 | 2 | 0 | 0 | 0 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 30 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Apr 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 04 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 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 | 1 | 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 | 1 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 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 | 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 | 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 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 1 | 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 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 -- May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 30 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 4 | 2 | 3 | 4 | 7 | 2 | 4 | 2 | 1 |Apr 01 | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 1 | 2 | 1 | 0 | 3 | 0 | 3 | 6 | 0 | 5 | 5 | 6 | 4 | 6 | 3 | 3 | 02 | 2 | 0 | 3 | 3 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 4 | 5 | 5 | 4 | 4 | 4 | 0 | 4 | 03 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 4 | 4 | 5 | 3 | 2 | 5 | 5 | 10 |??? | 04 |??? |??? |??? |??? |??? | 0 | 0 | 2 | 1 | 0 | 2 | 0 | 2 | 0 | 2 | 3 | 8 | 4 | 10 | 4 | 10 | 9 | 4 | 6 | 05 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 2 | 3 | 3 | 3 | 3 | 5 | 7 | 4 | 4 | 5 | 5 | 5 | 06 | 5 | 7 | 3 | 3 | 2 | 3 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 7 | 2 | 4 | 7 | 5 | 10 | 9 | 17 | 3 | 6 | 2 | 07 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 3 | 3 | 5 | 11 | 6 | 7 |??? |??? |??? | 08 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 5 | 5 | 7 | 5 | 5 | 11 | 4 | 0 | 09 | 2 | 4 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 1 | 0 | 0 | 3 | 3 | 2 | 4 | 3 | 1 | 0 | 10 | 1 | 4 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 2 | 4 | 2 | 2 | 4 | 3 | 7 | 10 | 2 | 4 | 0 | 11 | 1 | 2 | 1 | 0 | 0 | 0 | 1 | 2 | 4 | 0 | 0 | 1 | 0 | 4 | 2 | 6 | 1 | 7 | 3 | 6 | 6 | 6 | 9 | 6 | 12 | 2 | 0 | 1 | 0 | 1 | 1 | 1 |??? |??? |??? |??? |??? |??? |??? |??? | 7 | 4 | 9 | 3 | 4 | 5 | 15 | 3 | 1 | 13 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 3 | 4 | 4 | 4 | 1 | 0 | 2 | 8 | 5 | 2 | 2 | 14 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 3 | 2 | 0 | 3 | 3 | 7 | 5 | 1 | 15 | 1 | 2 | 0 | 3 | 0 | 0 | 3 | 1 | 0 | 0 | 2 | 0 | 1 | 1 | 2 | 3 | 2 | 4 | 5 | 6 | 5 | 6 | 2 | 2 | 16 | 0 | 2 | 7 | 1 | 0 | 0 | 2 | 0 | 1 | 2 | 1 | 0 | 0 | 2 | 3 | 1 | 6 | 1 | 2 | 5 | 5 | 9 | 5 | 2 | 17 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 1 | 0 | 1 | 2 | 1 | 1 | 0 | 1 | 3 | 3 | 3 | 2 | 4 | 7 | 3 | 1 | 0 | 18 | 2 | 1 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 3 | 6 | 3 | 6 | 2 | 6 | 5 | 7 | 6 | 4 | 2 | 19 | 2 | 1 | 2 | 3 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 3 | 3 |??? |??? |??? |??? |??? |??? | 20 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 5 | 4 | 3 | 5 | 3 | 5 | 1 | 1 | 21 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 2 | 5 | 5 | 5 | 4 | 3 | 2 | 2 | 3 | 22 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 4 | 1 | 1 | 6 | 6 | 5 | 2 | 1 | 1 | 23 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 4 | 1 | 5 | 2 | 3 | 3 | 8 | 2 | 0 | 24 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 4 | 4 | 2 | 4 | 6 | 4 | 5 | 4 | 0 | 25 | 0 | 0 | 0 | 3 | 0 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 3 | 2 | 5 | 4 | 6 | 5 | 6 | 4 | 0 | 2 | 26 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 7 | 5 | 8 | 0 | 8 | 9 | 7 | 7 | 5 | 5 | 27 | 2 | 5 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | 4 | 5 | 6 | 4 | 3 | 1 | 2 | 3 | 2 | 28 | 1 | 0 | 1 | 0 | 3 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 3 | 8 | 7 | 4 | 8 | 5 | 9 | 12 | 6 | 3 | 2 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 2 | 1 | 4 | 2 | 13 | 4 | 3 | 10 | 5 | 13 | 6 | 2 | 9 | 30 | 1 | 4 | 4 | 0 | 2 | 1 | 3 | 1 | 2 | 0 | 0 | 0 | 7 | 7 | 3 | 8 | 8 | 12 | 11 | 6 | 9 | 10 | 6 | 5 | 31 | 2 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 3 | 1 | 1 | 2 | 2 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 30 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |Apr 01 | 0 | 1 | 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 | 1 | 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 | 1 | 0 |??? | 04 |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |??? |??? |??? | 08 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 1 | 0 | 0 | 1 | 1 | 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 | 2 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 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 | 1 | 0 | 0 | 0 | 12 | 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 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 |??? |??? |??? |??? |??? |??? | 20 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 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 | 1 | 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 | 1 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 26 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 01 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 02 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | NS | 3 | 3 | 8 | 10 | 3 | 8 | 14 | 8 | 14 | 8 | 10 | 13 | 18 | 03 | 26 | 18 | 20 | 12 | 15 | 6 | 2 | 3 | 5 | NS | 3 | 2 | NS | 4 | 9 | 6 | 8 | 4 | 8 | 7 | 10 | 14 | 16 | 26 | 04 | 14 | 13 | 10 | 21 | 8 | 8 | 9 | 5 | NS | NS | 2 | 2 | 3 | 3 | 6 | 7 | 9 | 13 | 6 | 6 | 14 | 19 | 12 | 24 | 05 | 29 | 16 | 22 | 19 | 15 | 10 | 12 | 1 | 0 | 0 | 1 | 1 | 2 | 3 | 7 | 4 | 5 | 12 | 9 | 8 | 9 | 17 | 15 | 25 | 06 | 26 | 29 | 26 | 10 | 16 | 10 | 2 | 3 | NS | NS | 2 | 1 | 1 | 1 | 13 | 4 | 5 | 7 | 9 | 8 | 12 | 18 | 15 | 26 | 07 | 28 | 40 | NS | NS | NS | 9 | 6 | 6 | 0 | NS | NS | 0 | 1 | 8 | 6 | 3 | 10 | 14 | 13 | 8 | 15 | 23 | 13 | 26 | 08 | 23 | 22 | 26 | 10 | 25 | 9 | NS | 1 | 2 | NS | NS | 0 | 5 | 4 | 7 | 14 | 8 | 9 | 9 | 15 | 10 | 16 | 14 | 25 | 09 | 23 | 18 | 20 | 20 | 11 | 8 | 6 | 2 | 3 | 0 | 1 | 2 | 2 | 4 | 5 | 6 | 3 | 6 | 4 | 4 | 3 | 11 | 7 | 17 | 10 | 11 | 17 | 14 | 19 | 21 | 11 | 8 | 2 | NS | NS | 2 | 1 | 3 | 5 | 9 | 10 | NS | 7 | 5 | 6 | 8 | 11 | 13 | 14 | 11 | 18 | NS | NS | NS | 9 | 2 | 5 | 2 | 0 | 0 | 0 | 3 | 1 | 5 | 5 | 6 | 5 | 8 | 5 | 3 | 6 | 8 | 13 | 13 | 12 | 10 | 6 | IF | NS | NS | NS | NS | NS | NS | NS | NS | 1 | 3 | 2 | 4 | 5 | 3 | 4 | 5 | 4 | 4 |??? | 3 | 10 | 13 | 12 | 19 | 20 | 15 | 22 | 10 | 5 | 4 | NS | NS | NS | 2 | 3 | 2 | 1 | 6 | 11 | 9 | 8 | 6 | 12 | 7 | 14 | 12 | 14 | 20 | 17 | 14 | 18 | 17 | 9 | 12 | 5 | 0 | 1 | 1 | 0 | 4 | 5 | 5 | 6 | 9 | 10 | 2 | 6 | 8 | 7 | 8 | 6 | 15 | 16 | 18 | 12 | NS | 12 | 15 | 9 | 4 | 3 | 2 | 2 | 2 | 3 | 3 | 9 | 7 | 10 | 5 | 10 | 12 | 5 | 9 | 16 | 13 | 16 | 10 | 12 | 15 | 18 | 15 | 13 | 10 | 5 | 1 | NS | 0 | 2 | 5 | 7 | 1 | 2 | 7 | 7 | 5 | 8 | 9 | 4 | 7 | 5 | 17 |??? |??? | 12 | 23 | 14 | 10 | 5 | 6 | NS | NS | 0 | 4 | 1 | 5 | 4 | 7 | 8 | 12 | 10 | 10 | 5 | 7 | 6 | 8 | 18 | 10 | 15 | 16 | 12 | 6 | 5 | 8 | 4 | NS | NS | NS | NS | 6 | 8 | 8 | 5 | 7 | 8 | 8 | 4 | 6 | 8 | 4 | 8 | 19 | 8 | 14 | 10 | 15 | 12 | 9 | 5 | 3 | 1 | 2 | 0 | 2 | 4 | 3 | 6 | 9 | 8 | 5 | 4 | 7 | 8 | 8 | 6 | 9 | 20 | 15 | 13 | 19 | 12 | 13 | 9 | 3 | 6 | 1 | NS | NS | 3 | NS | 3 | 8 | 4 | 11 | 3 | 7 | 4 | 8 | 6 | 7 | 12 | 21 | 7 | 7 | 9 | 12 | 10 | 10 | 8 | 3 | NS | NS | 2 | 1 | 2 | 7 | 9 | 9 | 7 | 8 | 6 | 4 | 5 | 6 | 10 | 10 | 22 | 8 | 14 | 12 | 19 | 10 | 8 | 7 | 2 | 6 | NS | 3 | 0 | 0 | 2 | 3 | 10 | 6 | 16 | 7 | 8 | 9 | 7 | 4 | 4 | 23 | 6 | 12 | 20 | 12 | NS | 11 | 12 | 2 | 3 | 0 | 2 | 3 | 4 | 6 | 8 | 7 | 4 | 5 | 8 | 6 | 12 | 15 | 7 | 9 | 24 | 8 | 7 | 17 | 19 | 9 | 7 | ES | 3 | NS | NS | 0 | 2 | 8 | 4 | 6 | 8 | 7 | 11 | 6 | 9 | 5 | 14 | 5 | 11 | 25 | 4 | 3 | 8 | 12 | 25 | 11 | 7 | 5 | 4 | NS | 0 | 3 | 5 | 5 | 5 | 11 | 9 | 14 | 5 | 12 | 6 | 8 | 10 | 10 | 26 | 17 | 12 | 18 | 18 | 8 | 9 | 5 | 6 | 1 | 2 | 1 | 3 | 2 | 10 | 6 | 3 | 11 | 5 | 7 | 12 | 8 | 11 | 16 | 19 | 27 | 9 | 14 | 23 | 13 | 12 | 16 | 10 | 4 | NS | 2 | 0 | 2 | 4 | 4 | 6 | 9 | 5 | 15 | 11 | 15 | 7 | 5 | ES | ES | 28 | ES | ES | 15 | 26 | 22 | 10 | 3 | 6 | 1 | 4 | NS | 0 | 4 | 2 | 9 | 6 | 10 | 16 | 12 | 9 | 9 | 8 | 10 | 8 | 29 | 7 | 11 | 19 | 25 | 10 | 10 | 12 | 2 | NS | 2 | 2 | 2 | 6 | 3 | 5 | 8 | 8 | 4 | 7 | 6 | 3 | 4 | 13 | 12 | 30 | 9 | 13 | 17 | 14 | 18 | 19 | 7 | 3 | 5 | NS | 3 | NS | 3 | 4 | 1 | 10 | 13 | 9 | 14 | 6 | 7 | 6 | 10 | 7 | 31 | 14 | 7 | 18 | 13 | 15 | 9 | 8 | 1 | NS | NS | 1 | 5 | 3 | 8 | 6 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 01 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 02 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 04 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 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 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 07 | 0 | 0 | NS | NS | NS | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 08 | 1 | 1 | 0 | 0 | 0 | 0 | NS | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 4 | 09 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 11 | 0 | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 12 | 0 | 0 | IF | NS | NS | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | 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 | 1 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | ES | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 26 | 1 | 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 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | ES | ES | 28 | ES | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 30 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 3 | 4 | 2 | 2 | 0 | 7 | 3 | 5 | 8 |Apr 01 | 3 | 7 | 4 | 5 | 4 | 5 | 5 | 4 | 5 | 2 | 3 | 2 | 1 | 2 | 2 | 5 | 5 | 6 | 6 | 8 | 7 | 15 | 3 | 10 | 02 | 6 | 9 | 17 | 11 | 5 | 2 | 5 | 4 | 3 | 1 | 3 | 3 | 2 | 3 | 4 | 2 | 2 | 3 | 2 | 2 | 7 | 6 | 9 | 2 | 03 | 2 | 4 | 4 | 3 | 3 | 1 | 3 | 2 | 2 | 5 | 1 | 1 | 2 | 0 | 2 | 1 | 2 | 1 | 2 | 3 | 5 | 11 | 6 | 9 | 04 | 5 | 4 | 6 | 1 | 7 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 6 | 4 | 2 | 1 | 4 | 7 | 5 | 18 | 20 | 4 | 3 | 05 | 5 | 5 | 2 | 2 | 1 | 5 | 4 | 3 | 0 | 5 | 3 | 1 | 0 | 1 | 3 | 4 | 2 |??? |??? |??? |??? |??? | 4 | 11 | 06 | 14 | 9 | 13 | 10 | 7 | 10 | 6 | 6 | 0 | 4 | 0 | 2 | 3 | 0 | 0 | 6 | 0 | 1 | 4 | 2 | 13 | 5 | 7 | 4 | 07 | 2 | 1 | 2 | 3 | 5 | 3 | 3 | 2 | 5 | 4 | 0 | 2 | 2 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 08 | 2 | 2 | 4 | 3 | 2 | 3 | 3 | 2 | 2 | 2 | 0 | 0 | 3 | 0 | 2 | 1 | 4 | 3 | 2 | 4 | 5 | 7 | 11 | 11 | 09 | 10 | 6 | 6 | 10 | 6 | 5 | 3 | 2 | 3 | 2 | 0 | 0 | 3 | 1 | 2 | 2 | 1 | 2 | 1 | 6 | 8 | 8 | 3 | 10 | 10 | 3 | 5 | 5 | 7 | 5 | 2 | 5 | 6 | 3 | 3 | 2 | 1 | 8 | 1 | 0 | 5 | 2 | 1 | 2 | 0 |??? |??? |??? | 3 | 11 | 6 | 3 | 14 | 2 | 3 |??? |??? |??? | 1 | 3 | 2 | 0 | 0 | 2 | 1 | 1 | 1 | 3 | 3 | 1 | 11 | 8 | 6 | 4 | 12 | 4 | 4 | 1 | 2 | 8 |??? |??? |??? | 2 | 3 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 2 | 1 | 4 | 9 | 15 | 2 | 2 | 13 | 3 | 3 | 1 | 5 | 5 | 6 | 2 | 4 | 4 | 1 | 1 | 2 | 1 | 2 | 2 | 4 | 2 | 0 |??? |??? |??? |??? | 6 | 7 | 14 | 2 | 1 | 5 | 1 | 7 | 3 | 8 | 2 | 4 | 3 | 1 | 2 | 3 | 0 | 3 | 0 | 0 | 2 | 3 | 3 | 13 | 11 | 7 | 8 | 15 | 6 | 6 | 7 | 4 | 4 | 6 | 4 | 4 | 3 |??? |??? | 2 | 2 | 0 | 1 | 3 | 4 | 0 | 3 | 4 | 6 | 7 | 1 | 2 | 16 | 4 | 3 | 8 | 4 | 10 | 3 | 5 | 8 | 4 | 3 | 1 | 2 | 7 | 1 | 1 | 2 | 2 | 3 | 1 | 6 | 5 | 6 | 3 | 5 | 17 | 0 | 5 | 1 | 9 | 9 | 7 | 3 | 5 | 1 | 4 |??? | 4 | 1 | 1 | 0 | 4 | 3 | 6 | 6 | 1 | 6 | 10 | 4 |??? | 18 |??? |??? |??? |??? |??? |??? |??? |??? | 3 | 2 | 1 | 3 | 1 | 2 | 3 | 1 | 1 | 2 | 2 | 3 | 4 | 5 | 5 | 7 | 19 | 3 | 3 | 3 |??? |??? |??? |??? | 3 | 5 | 0 | 0 | 2 | 1 | 5 | 0 | 2 | 3 | 3 | 2 | 3 | 4 | 8 | 3 | 6 | 20 | 6 | 3 | 4 | 3 | 4 | 6 | 6 |??? |??? |??? | 0 | 1 | 2 | 2 | 3 | 6 |??? |??? |??? |??? |??? |??? | 0 | 3 | 21 | 1 | 10 | 9 | 4 | 6 | 3 | 7 | 2 | 5 | 1 | 2 | 2 | 5 | 2 | 2 | 2 | 5 | 8 | 3 | 6 | 13 | 8 | 4 | 3 | 22 | 2 | 2 |??? |??? | 5 | 8 | 4 | 1 | 6 | 1 |??? |??? | 2 | 2 | 1 | 3 | 0 | 3 | 4 | 2 | 0 | 7 | 3 | 2 | 23 | 5 | 2 | 6 | 4 | 2 | 4 | 5 | 2 | 5 | 1 | 3 | 1 | 0 | 2 | 1 | 1 | 3 | 3 | 2 | 3 | 6 | 6 | 1 | 7 | 24 | 7 | 0 | 0 | 6 | 6 | 3 | 2 | 7 | 0 | 2 | 0 | 2 | 0 | 2 | 0 | 4 | 3 | 2 | 7 | 6 | 4 | 15 | 5 | 4 | 25 | 1 | 0 | 1 | 4 | 4 | 3 | 4 | 4 | 4 | 1 | 0 | 1 | 4 | 1 | 1 | 1 | 3 | 0 | 3 | 3 | 8 | 4 | 2 | 5 | 26 | 9 | 5 | 4 | 5 | 2 | 6 | 5 | 3 | 1 | 4 | 0 | 0 | 2 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 27 | 2 | 4 | 2 | 3 | 1 | 7 | 5 | 1 | 1 | 1 | 0 | 0 | 2 | 1 | 1 | 2 | 3 | 1 | 3 | 4 | 5 | 4 |??? |??? | 28 | ES | ES | 1 | 4 | 3 | 7 | 1 | 6 | 6 |??? |??? |??? | 1 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? | 0 | 0 | 29 | 2 | 0 | 1 | 1 | 1 | 2 | 0 | 2 | 2 | 2 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 0 |??? |??? |??? |??? | 4 | 0 | 30 | 4 | 3 | 0 | 1 | 1 | 6 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 2 | 2 |??? |??? |??? |??? |??? |??? | 0 | 0 | 31 | 1 | 1 | 0 | 1 | 0 | 2 | 2 | 0 | 1 | 2 | 2 | 5 | 3 | 0 | 2 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 30 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |Apr 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 02 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? | 0 | 0 | 06 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 2 | 0 | 07 | 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 | 4 | 09 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? | 0 | 11 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 12 | 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 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? | 18 |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 19 | 0 | 0 | 0 |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 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 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 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 | 1 | 26 | 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 | 1 | 0 | 0 |??? |??? | 28 | ES | ES | 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 | 30 | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 01 | 2 | 2 | 1 | 1 | 3 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 3 | 3 | 0 | 2 | 5 | 2 | 1 | 6 | 8 | 9 | 9 | 02 | 5 | 3 | 5 | 3 | 2 | 3 | 3 | 1 | 2 | NS | NS | NS | NS | NS | 0 | 5 | 1 | 5 | 2 | 1 | 10 | 2 | 3 | 4 | 03 | 6 | 4 | 1 | 1 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 3 | 2 | 6 | 3 | 6 | 8 | 2 | 04 | 0 | 2 | 0 | 0 | 3 | NS | NS | 8 | NS | 0 | 10 | NS | NS | 0 | 2 | NS | NS | NS | NS | 3 | 1 | 8 | 6 | 3 | 05 | 7 | 1 | 4 | 0 | 2 | 3 | 3 | 0 | 1 | 0 | NS | NS | NS | NS | NS | NS | 2 | 3 | 2 | 10 | 4 | 13 | 6 | 11 | 06 | 8 | 5 | ES | ES | 2 | ES | 5 | 0 | NS | 2 | 0 | 0 | 3 | 2 | 5 | 5 | 8 | 5 | 8 | 6 | 10 | 8 | 6 | 8 | 07 | 5 | 0 | NS | 2 | NS | NS | NS | 20 | 2 | 0 | 0 | NS | 0 | NS | NS | NS | 2 | 0 | 2 | 4 | 5 | 13 | 5 | 5 | 08 | 1 | 4 | 4 | 1 | 2 | 1 | 1 | 0 | 2 | 2 | NS | NS | NS | NS | NS | NS | 1 | 1 | 0 | 11 | 9 | 16 | 11 | 5 | 09 | 2 | 2 | 2 | 0 | NS | NS | 1 | 1 | 1 | ES | 2 | 2 | 1 | 0 | 5 | 2 | 3 | 6 | 6 | 8 | 11 | 9 | 7 | 8 | 10 | 10 | 2 | 3 | 0 | 3 | 0 | 2 | 2 | NS | NS | 2 | 0 | 2 | 3 | NS | 7 | 8 | 2 | 3 | 5 | 2 | 5 | 8 | 2 | 11 | 4 | 1 | 1 | 1 | 0 | 1 | 0 | 2 | 2 | 0 | NS | NS | 2 | 8 | 4 | 6 | 4 | 6 | 3 | 6 | 8 | 7 | 5 | 6 | 12 | 0 | 1 | 2 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 4 | 1 | 2 | 2 | 3 | 2 | 2 | 7 | 8 | 7 | 4 | 3 | 13 | 2 | 0 | 1 | 0 | 3 | 2 | 1 | 4 | 0 | 1 | 2 | 0 | 1 | 1 | 3 | 0 | 2 | 4 | 2 | 8 | 6 | 4 | 8 | 3 | 14 | 2 | 3 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 4 | 2 | 3 | 4 | 1 | 1 | 3 | 8 | 5 | 2 | 8 | 4 | 15 | 5 | 3 | 2 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 3 | 4 | 3 | 2 | 2 | 4 | 4 | 4 | 3 | 6 | 5 | 16 | 0 | 0 | 0 | 2 | 2 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 4 | 4 | 2 | 4 | 7 | 2 | 7 | 1 | 17 | 6 | 3 | 3 | 2 | 2 | 2 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 4 | 2 | 3 | 3 | 2 | 1 | 2 | 7 | 6 | 5 | 5 | 18 | 17 | 2 | 1 | 2 | ES | ES | ES | ES | 4 | 0 | 3 | 0 | 2 | 3 | 4 | 0 | 3 | 2 | 3 | 2 | 6 | 3 | 3 | 4 | 19 | ES | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 1 | 2 | 1 | 2 | 3 | 2 | 4 | 0 | 2 | 2 | 2 | 7 | 7 | 2 | 2 | 20 | 5 | 1 | 2 | NS | NS | NS | 2 | NS | NS | NS | NS | ES | 1 | 5 | 1 | 5 | 0 | 4 | 5 | 0 | 2 | 2 | 4 | 2 | 21 | 4 | 4 | 1 | 2 | 0 | 0 | 2 | 1 | 2 | 1 | 1 | 1 | NS | NS | 2 | 4 | 2 | 3 | 3 | 4 | 3 | 4 | 1 | 2 | 22 | 2 | 2 | 2 | 2 | 0 | 0 | NS | 3 | 1 | NS | 0 | NS | NS | NS | NS | NS | NS | 2 | 5 | 2 | 3 | 4 | 2 | 4 | 23 | NS | NS | 4 | NS | NS | NS | NS | NS | 0 | 3 | NS | NS | NS | NS | 1 | 2 | 1 | 0 | 2 | 3 | 4 | 5 | 5 | NS | 24 | 1 | 1 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | NS | NS | NS | NS | NS | NS | 8 | 6 | 6 | 6 | 4 | 3 | 4 | 4 | 25 | 0 | 2 | 4 | 0 | 4 | 0 | 2 | NS | NS | ES |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 26 |??? | 0 | 0 | 2 | 1 | 0 | 1 | 2 | 0 | NS | 2 | 0 | 8 | 9 | 2 | 3 | 2 | 3 | 5 | 1 | 2 | 3 | 3 | 2 | 27 | ES | ES | ES | 0 | 1 | 3 | 2 | 4 | 0 | 1 | 3 | 2 | 8 | 4 | 6 | 6 | 4 | 8 | 7 | 5 | 7 | 4 | 6 | 3 | 28 | 4 | 1 | 0 | 1 | 1 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | ES | 0 | 2 | 1 | 3 | 1 | 5 | 3 | 5 | 1 | 1 | 3 | 29 | 2 | 1 | 0 | 0 | 3 | 1 | 1 | 2 | 1 | 0 | 0 | 1 | 4 | NS | NS | 3 | 3 | 2 | 2 | 3 | 5 | 6 | 5 | 4 | 30 | 5 | 3 | 1 | 0 | 1 | 1 | 2 | 2 | 0 | 0 | 2 | 0 | 5 | 5 | 4 | 6 | 3 | 4 | 5 | 4 | 7 | 5 | 5 | 1 | 31 | 4 | NS | 0 | 1 | 2 | 0 | 2 | 0 | 1 | ES | ES | 2 | 1 | 5 | 2 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 May| 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 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 30 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |Apr 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 04 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | NS | 0 | 0 | NS | NS | 0 | 0 | NS | NS | NS | NS | 2 | 0 | 1 | 0 | 1 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 06 | 0 | 0 | ES | ES | 0 | ES | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 07 | 0 | 0 | NS | 0 | NS | NS | NS | 0 | 0 | 0 | 0 | NS | 0 | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 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 | 1 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 18 | 2 | 0 | 0 | 0 | ES | ES | ES | ES | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 19 | ES | 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 | NS | NS | NS | 0 | NS | NS | NS | NS | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | NS | 0 | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 23 | NS | NS | 0 | NS | NS | NS | NS | NS | 0 | 0 | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | NS | NS | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 25 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | NS | NS | ES |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 26 |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | ES | ES | ES | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 29 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | NS | 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 | NS | 0 | 0 | 1 | 0 | 1 | 0 | 0 | ES | ES | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ May| 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 2025.06.07