Radio Meteor Observation in Japan No.284 June 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 -- Jun| 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 | 14 21 19 13 27 20 15 20 19 10 6 13 11 15 7 8 4 2 3 0 9 10 14 12 02 | 29 23 12 21 35 33 25 30 19 12 12 9 12 13 13 11 5 8 6 3 8 7 7 15 03 | 29 26 20 15 19 23 21 20 14 7 7 10 10 12 13 10 5 3 4 5 4 10 11 11 04 | 17 38 34 30 31 36 33 23 12 12 7 13 8 16 12 8 4 2 4 0 7 4 10 17 05 | 24 20 23 32 28 41 52 27 21 12 11 10 19 17 13 10 6 6 6 1 6 14 11 14 06 | 16 23 25 33 34 47 38 34 18 5 11 10 21 18 13 13 4 2 2 5 7 6 9 13 07 | 17 20 22 23 29 42 35 23 11 12 6 11 19 16 15 12 7 3 2 3 3 3 13 14 08 | 14 21 15 10 29 34 31 21 7 15 8 10 16 30 14 12 4 2 3 2 2 6 6 16 09 | 13 12 18 26 28 43 49 21 11 13 8 11 21 20 20 10 3 0 1 2 1 2 1 6 10 | 9 20 18 27 34 37 46 19 11 14 6 6 11 18 16 7 2 5 2 1 4 8 5 9 11 | 13 15 15 27 23 21 19 18 11 12 5 11 12 16 11 3 3 2 3 4 4 6 9 9 12 | 16 20 16 22 33 33 28 23 14 11 6 9 13 14 16 9 4 4 3 5 9 3 12 8 13 | 19 21 29 16 35 26 25 21 7 7 0 5 14 19 12 12 3 3 2 0 3 4 10 8 14 | 7 12 14 12 24 33 26 9 7 8 6 10 7 14 14 8 7 2 2 2 2 4 5 9 15 | 10 10 15 8 12 14 22 15 13 7 8 6 10 9 13 8 3 0 2 4 5 2 5 3 16 | 10 10 13 6 20 23 22 12 7 8 6 11 11 12 25 4 3 4 1 3 2 4 1 0 17 | 12 8 7 13 25 24 29 11 8 6 4 4 16 6 8 2 2 1 0 3 2 3 8 11 18 | 10 14 13 20 16 26 24 16 12 6 5 2 7 8 12 6 5 2 0 1 3 5 4 7 19 | 12 18 11 20 26 30 17 22 11 4 9 3 6 12 12 2 5 6 4 1 4 6 10 8 20 | 11 20 13 18 25 25 29 13 4 6 5 9 15 20 13 9 6 4 5 2 3 9 7 9 21 | 11 7 19 17 25 27 22 22 8 13 5 11 15 11 8 5 7 1 1 4 2 4 4 4 22 | 15 12 12 21 26 21 25 21 13 9 5 10 10 13 9 11 9 3 5 3 3 5 4 9 23 | 19 16 22 24 20 21 22 19 10 6 2 5 4 8 10 6 3 3 2 4 3 3 7 10 24 | 10 16 16 14 24 8 13 15 17 9 8 4 6 10 12 8 2 0 1 2 2 5 3 8 25 | 6 13 17 16 23 16 13 19 13 8 1 7 5 12 2 8 4 2 3 5 3 11 11 11 26 | 14 10 17 21 25 26 24 14 12 10 2 4 12 15 8 11 4 3 0 1 4 2 4 5 27 | 11 8 21 18 27 22 22 14 13 5 7 5 12 13 5 8 1 2 1 2 8 5 9 17 28 | 16 22 21 15 19 20 24 21 15 8 5 3 6 13 10 12 5 2 1 5 2 6 8 9 29 | 15 17 21 29 20 35 30 13 18 8 10 6 9 10 14 11 9 1 5 3 3 9 5 7 30 | 8 27 17 22 12 17 21 16 20 10 5 4 9 11 8 4 4 4 2 1 6 6 3 12 ---+------------------------------------------------------------------------ Jun| 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 Jun| 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 | 03 | 1 1 2 04 | 05 | 1 1 1 06 | 1 1 07 | 1 08 | 09 | 1 10 | 1 1 11 | 12 | 1 1 13 | 1 1 14 | 1 15 | 16 | 17 | 1 1 18 | 1 1 1 1 19 | 20 | 1 1 1 21 | 22 | 23 | 1 24 | 25 | 1 1 26 | 27 | 2 28 | 1 1 29 | 1 1 30 | 1 ---+------------------------------------------------------------------------ Jun| 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 -- Jun| 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 3 2 2 9 11 7 3 5 1 1 2 4 5 3 3 2 1 0 0 0 1 4 3 02 | 2 5 4 7 3 7 5 7 4 0 2 1 2 5 4 0 0 3 0 1 2 6 0 8 03 | 10 5 4 10 7 8 7 7 2 1 3 2 1 4 4 3 3 1 3 0 0 0 3 11 04 | 6 4 4 7 5 12 5 6 2 0 3 2 2 IF IF IF %4 1 1 1 1 %1 4 3 05 | 4 2 3 8 4 3 6 4 1 3 0 4 3 %4 1 5 3 1 2 0 0 4 1 6 06 | 3 5 0 2 7 5 6 4 4 3 2 7 6 4 5 5 4 1 2 1 0 2 2 4 07 | 4 1 2 6 8 10 4 3 2 2 3 6 9 4 1 3 2 0 0 %1 3 1 3 1 08 | 3 3 4 1 7 9 7 7 5 3 0 1 4 5 6 %5 5 0 1 0 2 4 %5 %2 09 | 0 4 6 9 11 11 6 3 0 1 3 0 0 10 3 6 6 1 1 0 3 1 7 3 10 | 5 7 7 6 12 9 3 5 3 1 0 4 12 7 12 6 1 3 1 1 4 0 2 8 11 | 8 8 7 8 3 9 9 3 3 3 2 0 0 2 4 2 2 1 1 0 IF IF 0 0 12 | 0 0 1 2 0 6 3 0 1 0 0 0 2 5 11 4 5 2 0 1 1 4 2 4 13 | 2 2 2 5 2 2 5 1 5 1 IF %2 2 %3 5 9 1 4 1 0 0 1 0 5 14 | 2 5 1 5 2 3 2 1 0 1 0 1 0 4 6 5 1 3 0 0 0 0 0 4 15 | 6 3 1 2 2 4 3 2 2 0 1 0 0 2 4 0 0 0 0 0 %0 %1 3 0 16 | 2 1 0 4 2 2 1 4 0 0 2 1 1 1 5 2 2 %2 %3 IF IF IF %0 0 17 | 0 0 0 3 5 3 3 3 4 3 7 4 3 6 10 1 4 0 0 3 0 IF IF %4 18 | 4 %6 3 4 8 5 2 7 1 0 1 5 1 2 0 0 5 1 0 1 2 IF IF IF 19 | IF IF IF IF IF %5 5 3 1 1 5 3 8 9 3 4 2 1 0 0 1 1 %5 IF 20 | %4 %0 IF IF %5 5 1 3 1 1 0 0 2 5 2 1 0 2 1 1 2 %4 4 6 21 | 1 2 5 6 4 9 5 1 2 0 0 3 1 5 3 0 4 0 1 2 6 4 4 4 22 | 8 0 3 7 6 7 8 0 7 4 2 1 3 4 1 7 6 2 1 1 5 5 6 3 23 | 4 7 2 7 7 8 4 10 2 3 1 2 3 2 9 2 3 4 1 1 1 1 1 6 24 | 5 6 10 7 5 3 6 2 4 2 1 3 5 3 3 2 6 3 2 2 1 2 1 2 25 | 3 6 2 6 4 5 7 6 0 2 1 4 4 8 3 9 1 3 0 0 2 2 3 4 26 | 8 4 1 2 2 3 1 3 2 2 3 2 0 2 5 5 4 2 1 0 2 %0 IF IF 27 | IF IF %4 2 8 7 3 1 1 1 0 1 0 0 3 0 1 2 0 2 IF %2 IF IF 28 | IF IF 1 IF 1 4 4 2 2 1 1 3 3 1 0 4 1 0 0 2 2 IF IF IF 29 | IF 5 4 6 4 4 5 2 0 1 2 1 6 1 5 2 IF IF IF %0 IF %0 2 IF 30 | 4 2 5 2 0 1 1 1 4 2 0 IF 2 4 0 1 1 2 2 0 %2 %3 3 1 ---+------------------------------------------------------------------------ Jun| 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 Jun| 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 02 | 03 | 1 1 04 | 1 05 | 1 06 | 1 1 07 | 08 | 1 1 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 1 18 | 19 | 20 | 21 | 22 | 23 | 1 24 | 1 25 | 26 | 27 | 28 | 29 | 30 | 1 ---+------------------------------------------------------------------------ Jun| 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 -- Jun| 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 15 4 3 4 3 5 3 3 8 IF IF IF IF IF IF IF 2 2 1 2 6 1 2 02 | 6 4 4 3 4 2 3 4 4 0 8 4 6 7 10 4 3 2 0 %0 %0 2 4 5 03 | 7 1 2 2 5 7 3 10 6 4 4 3 5 %3 %2 1 3 3 1 %0 IF 0 3 1 04 | 3 1 0 0 7 7 3 5 2 3 3 0 %0 IF IF IF IF %1 5 3 0 0 5 5 05 | 10 7 4 3 3 3 6 5 6 2 6 2 7 8 5 8 5 2 4 5 1 3 3 6 06 | 4 1 2 3 6 7 6 8 1 2 2 8 5 5 5 5 7 4 3 1 4 7 3 1 07 | 4 4 5 5 4 5 6 11 10 3 8 4 11 3 3 9 3 1 1 2 5 3 3 3 08 | 4 2 4 1 6 7 7 8 4 11 6 3 3 15 11 16 5 3 5 2 1 5 6 13 09 | 5 6 5 11 13 13 7 10 15 9 7 14 11 11 15 11 8 4 8 2 4 6 6 9 10 | 9 4 8 7 15 11 11 18 18 9 7 21 17 14 11 13 5 3 4 2 3 3 7 4 11 | 6 10 11 7 9 16 17 13 8 11 3 13 12 7 14 15 4 1 2 1 3 1 8 3 12 | 2 9 7 14 13 9 9 11 8 6 %8 6 IF 10 9 8 5 2 5 8 0 6 5 9 13 | 5 3 5 6 11 4 14 7 9 5 12 11 8 11 6 10 5 5 4 4 1 5 3 6 14 | 5 7 3 3 7 9 14 9 9 6 9 7 19 12 4 7 5 2 1 0 %5 %4 12 11 15 | 8 4 8 10 8 12 10 6 6 13 IF IF IF IF%14 9 5 3 7 0 6 4 5 6 16 | 8 9 8 5 10 5 15 8 10 3 4 IF IF IF%12 5 7 5 4 %5 %3 3 3 7 17 | 5 10 10 2 3 8 8 13 4 7 9 1 IF IF IF IF %2 7 5 4 5 2 5 4 18 | 4 5 8 10 5 8 5 10 5 2 3 1 5 3 4 4 4 2 4 6 2 1 6 5 19 | 4 6 4 6 12 6 7 8 6 5 4 1 6 5 6 3 3 6 4 6 2 4 6 8 20 | 11 10 7 3 9 7 10 14 4 9 9 6 4 2 3 2 6 3 5 6 4 6 7 11 21 | 4 8 8 2 7 7 5 5 7 9 7 3 %4 5 9 8 5 %6 6 1 1 6 3 5 22 | 7 10 5 9 11 6 10 12 14 14 6 7 14 8 10 7 4 %2 IF %2 4 IF IF 9 23 | 4 8 12 8 7 8 6 4 1 8 %8 %4 5 %5 10 6 5 5 1 2 4 2 7 5 24 | 5 9 4 3 15 7 14 9 8 5 6 10 2 4 8 4 7 3 3 2 6 1 8 4 25 | 6 4 4 5 10 11 4 8 11 6 12 9 6 13 7 5 6 5 6 1 1 4 7 4 26 | 10 4 8 3 6 7 11 8 7 %8 7 3 2 3 3 2 4 8 4 6 IF 6 14 12 27 | 4 5 7 7 10 14 13 7 6 3 8 4 6 2 5 11 9 4 3 2 2 2 7 11 28 | 12 12 10 13 17 14 11 7 5 5 4 %4 7 %4 4 3 7 7 0 2 4 8 8 10 29 | 7 12 6 6 10 3 14 5 9 %0 IF 2 6 5 4 6 7 5 0 3 5 6 4 6 30 | 4 5 10 10 3 8 9 10 5 3 3 2 7 4 4 4 6 8 3 8 1 3 7 11 ---+------------------------------------------------------------------------ Jun| 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 Jun| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 03 | 1 04 | 1 05 | 1 06 | 1 1 07 | 1 1 1 08 | 09 | 2 1 1 10 | 1 11 | 12 | 1 13 | 1 14 | 15 | 1 16 | 17 | 1 1 18 | 1 19 | 20 | 1 1 1 21 | 1 1 1 1 22 | 1 23 | 1 24 | 1 2 25 | 3 1 1 1 26 | 27 | 1 28 | 1 1 1 1 1 1 1 29 | 30 | ---+------------------------------------------------------------------------ Jun| 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 -- Jun| 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 | 14 21 11 10 17 13 14 18 23 11 7 1 4 3 -- 8 5 2 2 3 10 14 14 15 02 | 15 19 16 13 25 13 22 28 29 11 5 4 2 6 4 6 4 6 2 2 11 5 11 15 03 | 10 11 10 12 19 9 27 29%24 16 4 2 0 5 6 5 8 4 1 8 4 12 8 8 04 | 17 21 12 12 14 28 29 28 38 13 6 2 1 7 9 4 1 2 7 4 5 4 15 6 05 | 11 12 12 16 13 16 33 22%26 16 1 6 2 3 4 10 7 2 6 5 5 10 9 21 06 | 14 10 13 15 14 23 33 26 30 19 4 %2 -- -- -- -- -- -- -- -- -- -- -- -- 07 | -- -- -- -- -- -- -- -- -- 11 6 2 1 2 12 10 3 2 3 4 5 6 13 8 08 | 16 15 7 17 20 25 27 35 26 11 4 5 3 6 6 9 9 4 5 5 12 6 13 17 09 | %8 7 9 19 12 20 36 34%21 13 %8 5 3 2 5 10 5 4 2 3 8 6 13 16 10 | 11 10 13 14 25 24 33 27 39 26 6 6 7 6 6 10 3 6 8 7 12 6 23 12 11 | 19 19 13 22 22 28 44 43 28 18 5 7 5 6 10 10 6 4 8 5 10 16 15 13 12 | 17 19 11 20 15 33 50 39 35 17 -- -- -- 7 9 8 7 3 2 4 8 12 17 18 13 | 16 14 15 13 26 21 41 36 -- -- -- -- -- -- 8 4 4 3 2 5 6 11 18 15 14 | 10 8 16 23 34 30 26 20 17 11 8 1 3 6 8 9 8 6 5 %5 8 4 20 16 15 | 9 14 14 11 20 23 29 32 23 14 8 6 5 9 7 3 5 5 0 4 9 5 13 11 16 | 10 11 21 12 17 22 28 30 29 20 6 10 2 6 7 7 6 3 2 5 4 8 6 15 17 | 14 9 15 20 16 33 28 34 26 9 6 3 2 6 8 4 5 1 0 8 13 %7 9 11 18 | 15 15 5 14 16 14 22 28%24 13 2 1 4 8 4 4 4 6 2 3 11 7 9 11 19 | 11 11 13 12 14 26 19 23 21 11 8 3 4 7 8 3 1 1 6 5 3 8 8 7 20 | 12 10 11 13 15 27 25 22 24 15 9 7 3 6 1 5 8 6 4 4 7 6 11 12 21 | 9 13 12 13 11 11 18 21 20 10 8 5 3 3 5 6 6 3 3 3 8 8 13 4 22 | 16 5 10 10 26 19 16 20%17 7 5 2 2 2 4 7 3 5 1 10 4 8 9 6 23 | 16 8 5 16 12 13 29 24 21 8 5 6 6 3 10 4 6 6 4 8 2 10 12 8 24 | 10 4 13 15 19 15 23 23 23 8 3 5 3 3 4 8 5 6 5 5 4 9 13 12 25 | 13 10 10 7 16 14 22 18 23 17 6 5 4 6 9 6 3 1 5 8 9 17 14 18 26 | 15 15 15 11 15 25 22 27 26 14 5 1 3 3 4 3 11 3 1 5 5 7 18 8 27 | 5 9 8 8 13 17 18 19 15 8 1 2 1 1 3 8 7 4 2 3 10 7 9 16 28 | 10 3 8 14 8 10 11 13 14 4 5 2 0 3 4 3 4 0 2 7 6 3 11 7 29 | 12 6 13 14 16 13 13 19 13 14 4 4 1 4 3 2 7 2 5 2 10 14 6 12 30 | 6 10 7 11 11 12 21 10 12 20 3 3 3 %0 6 4 1 3 1 4 6 10 10 15 ---+------------------------------------------------------------------------ Jun| 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 Jun| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 03 | 1 1 04 | 05 | 1 1 06 | 1 2 07 | 08 | 1 1 1 09 | 1 1 10 | 1 1 1 1 1 11 | 1 12 | 1 1 13 | 1 1 14 | 1 15 | 16 | 1 1 17 | 1 1 1 18 | 19 | 1 20 | 1 1 1 21 | 1 22 | 1 2 1 23 | 1 24 | 1 1 25 | 2 26 | 27 | 2 28 | 1 29 | 1 1 30 | 1 1 ---+------------------------------------------------------------------------ Jun| 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 -- Jun| 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 6 8 3 12 12 8 10 9 3 2 3 0 9 4 5 3 4 1 0 0 5 4 6 02 | 3 3 4 2 6 10 12 10 8 4 2 1 7 7 2 6 6 1 1 0 3 4 3 9 03 | 3 6 5 8 8 8 6 8 5 5 5 6 3 7 6 8 2 3 0 3 2 1 1 2 04 | 4 3 4 5 8 12 9 11 16 7 2 6 7 14 10 8 0 %1 %4 2 4 1 11 6 05 | 2 8 10 13 12 17 26 23 18 11 7 9 14 12 7 6 5 4 2 2 2 4 15 8 06 | 13 9 8 15 16 24 34 22 16 16 7 -- --%14 12 8 4 3 0 6 3 4 5 13 07 | 9 3 11 9 22 23 26 23 24 8 8 13 10 17 13 10 -- -- -- -- -- -- -- -- 08 | -- -- -- -- -- -- -- -- -- 13 12 19 17 20 16 8 3 1 0 2 1 1 5 6 09 | 11 12 9 20 27 25 24 23 22 5 2 9 10 12 10 6 6 0 2 5 5 3 5 7 10 | 9 8 14 18 18 30 30 24 16 11 5 15 20 20 10 9 8 4 3 5 4 1 8 9 11 | 10 12 13 20 13 30 42 35 16 11 7 13 13 23 20 12 9 3 2 1 3 5 6 13 12 | 3 9 19 19 34 29 28 30 13 7 4 14 12 19 14 6 4 2 1 3 6 3 8 5 13 | 11 9%11 21 18 29 32 25 22 6 8 5 11 12 15 12 6 %5 1 4 3 8 6 11 14 | 10 5 8%15 29 29 34 30 15 13 7 6 15 16 14 7 5 3 2 3 2 4 10 9 15 | 3 9 7 24 20 31 30 30 16 5 9 10 7 12 5 1 %4 4 4 2 6 6 8 6 16 | 7 12 9 13 21 25 28 28 14 8 6 11 15 13 12 14 3 0 1 2 3 5 6 7 17 | 9 7 8 15 11 14 22 11 16 7 5 5 -- -- -- -- -- -- -- -- -- -- -- -- 18 | -- -- -- -- -- -- -- -- -- -- -- 9 8 14 6 8 4 3 2 3 5 8 8 8 19 | 4 7 7 11 14 22 24 16 7 10 9 8 6 9 15 5 2 0 2 2 4 2 6 7 20 | 14 8 8 9 17 24 19 9 20 12 11 11%10 8 4 4 5 1 2 6 3 3 11 11 21 | 13 4 9 13 18 21 26 12 16 8 7 4 14 7 5 7 7 3 2 4 3 7 9 10 22 | 9 7 7 16 16 14 22 22 11 7 5 5 6 10 8 5 12 3 2 0 4 9 4 -- 23 | %7 11 5 6 12 10 15 15 5 -- 7 2 12 4 6 9 7 3 5 0 2 3 5 5 24 | 6 9 2 6 19 20 8 7 9 5 3 3 6 5 9 5 4 3 3 2 1 3 7 8 25 | 7 7 5 7 12 9 17 14 17 9 6 4 5 6 3 6 2 3 4 2 5 5 6 6 26 | 3 3 5 9 11 14 15 13 12 8 6 4 6 5 8 5 3 2 1 2 1 4 1 9 27 | 3 9 7 6 12 19 16 8 15 7 6 4 12 4 6 6 4 2 3 1 7 10 8 6 28 | 3 7 9 7 14 7 19 10 9 5 7 1 4 3 3 1 2 4 1 2 6 6 6 6 29 | 6 8 4 5 11 14 10 15 13 8 8 3 4 7 5 14 6 6 4 1 5 7 10 9 30 | 8 4 6 5 7 13 11 9 2 7 9 5 8 7 5 5 2 0 0 2 3 5 7 9 ---+------------------------------------------------------------------------ Jun| 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 Jun| 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 | 04 | 1 05 | 06 | 1 07 | 1 1 08 | 09 | 1 10 | 11 | 1 12 | 1 13 | 14 | 1 15 | 16 | 1 17 | 18 | 19 | 20 | 1 1 21 | 1 1 22 | 23 | 24 | 25 | 26 | 1 1 27 | 1 1 28 | 1 1 29 | 1 30 | 1 ---+------------------------------------------------------------------------ Jun| 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 -- Jun| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 1 1 1 1 5 4 5 2 4 0 2 1 0 1 5 2 1 0 0 0 4 4 2 5 02 | 6 4 7 3 7 6 9 6 2 3 1 2 0 2 2 4 2 2 1 1 6 3 1 4 03 | 2 3 4 4 5 7 10 7 4 3 3 1 2 3 4 3 5 1 1 1 2 5 1 1 04 | 2 2 3 1 1 10 10 8 3 1 1 1 1 2 6 0 1 2 2 2 1 0 5 2 05 | 2 2 0 7 4 3 9 6 3 3 0 0 1 0 2 3 2 0 2 4 1 6 1 7 06 | 3 1 2 10 5 7 7 8 6 3 1 1 1 1 4 1 0 0 5 1 1 5 4 3 07 | 3 5 4 2 7 8 8 7 3 2 2 0 2 2 4 6 2 1 1 5 1 1 7 6 08 | 6 2 2 7 5 12 8 12 4 1 0 4 2 3 4 %5 %3 2 0 1 2 3 5 6 09 | 3 2 3 5 7 9 10 6 1 1 2 0 2 3 4 6 2 2 0 4 5 4 4 3 10 | 6 6 7 12 12 10 13 6 6 1 1 3 2 9 6 5 4 0 1 1 4 0 3 4 11 | 4 8 5 9 13 12 11 4 8 2 1 2 2 2 5 3 3 1 1 0 2 5 3 5 12 | 5 4 8 4 9 16 13 14 2 4 1 0 2 5 5 4 2 1 0 2 5 4 6 3 13 | 4 7 3 4 12 13 12 3 ES ES ES ES 3 2 6 1 1 %2 3 3 5 2 6 3 14 | 2 4 4 6 17 9 6 5 2 2 1 1 1 1 5 4 3 0 2 6 4 2 5 3 15 | 1 6 6 2 12 8 7 6 4 2 0 2 1 8 3 1 -- -- -- -- -- -- -- -- 16 | 4 1 5 1 8 7 7 4 5 2 4 1 1 3 3 2 %6 2 0 3 1 1 2 4 17 | 5 1 5 10 6 5 7 6 7 1 2 1 3 3 4 3 3 0 %1 3 3 2 1 0 18 | 2 1 1 5 4 3 4 6 7 1 0 1 2 2 0 3 2 3 0 1 5 2 2 1 19 | 2 1 4 6 9 10 5 5 8 3 1 1 0 %2 3 3 3 0 0 0 1 5 2 1 20 | 2 8 9 5 2 12%13 8 2 3 1 1 2 3 1 6 6 2 0 2 2 2 3 2 21 | 0 2 4 4 10 12 7 6 0 2 1 1 0 2 2 1 5 1 0 0 6 3 3 1 22 | 6 1 2 8 6 4 6 6 1 3 1 4 0 3 1 6 0 2 0 6 2 2 2 1 23 | 2 0 3 8 3 6 7 8 7 1 0 0 1 3 4 2 3 2 2 3 1 0 2 4 24 | 2 2 5 3 8 5 7 5 6 3 0 1 3 4 0 2 3 2 1 3 0 0 1 0 25 | 1 0 0 3 4 3 3 6 4 0 2 1 2 3 6 6 4 0 0 1 4 5 5 5 26 | 0 1 2 3 7 5 8 7 1 0 0 1 2 1 1 2 3 1 0 3 0 1 0 2 27 | 2 4 0 2 3 4 3 2 4 0 0 1 0 0 2 1 2 4 0 1 1 1 0 6 28 | 5 1 2 5 1 3 1 0 3 %0 0 0 0 0 2 0 2 0 0 1 1 3 1 3 29 | 2 3 1 3 5 3 5 5 3 1 1 1 1 0 1 1 3 0 0 0 2 5 1 1 30 | 2 0 2 4 3 5 4 2 1 2 0 0 1 1 1 3 1 0 1 2 1 1 2 2 ---+------------------------------------------------------------------------ Jun| 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 Jun| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+------------------------------------------------------------------------ 01 | 02 | 03 | 1 1 2 04 | 05 | 1 06 | 1 07 | 1 08 | 1 09 | 1 1 10 | 1 2 1 1 1 11 | 1 1 12 | 13 | 1 1 14 | 1 15 | 1 16 | 1 1 1 1 17 | 1 1 1 18 | 1 19 | 20 | 2 1 21 | 22 | 1 1 1 23 | 1 24 | 1 1 25 | 2 1 26 | 1 27 | 2 1 28 | 29 | 1 1 1 30 | 1 ---+------------------------------------------------------------------------ Jun| 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer : Nobuo Katsura Location : Iwaki, Fukushima, Japan (37.00 N, 140.50 E) Frequency: 53.100 MHz Transmitter Location: HAM beacon (50W JA2SDA, Toyokawa, Japan) Antenna : 1el. DP Hand Mide 6mH+RFamp Receiver: SDR 820T2 SDR# PC HPdc7900 win11 -- Total number of echoes -- Jun| 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 | 15 41 35 31 34 49 25 14 28 10 15 16 15 15 24 12 18 3 3 8 9 8 13 11 02 | 22 26 20 21 29 42 25 24 29 16 5 10 6 13 18 17 11 6 6 5 7 7 13 22 03 | 18 13 15 19 21 28 28 22 6 20 7 4 13 14 17 19 11 12 4 6 4 11 12 16 04 | 13 17 18 18 20 28 36 22 13 15 12 8 6 17 26 15 4 7 3 1 7 6 11 11 05 | 19 23 17 14 23 27 33 18 8 7 3 2 6 15 7 21 16 10 6 2 5 9 11 16 06 | 18 19 22 21 34 56 31 28 17 10 11 36 30 25 49 40 18 10 6 6 13 21 22 9 07 | 14 20 29 32 38 53 54 32 28 23 8 11 21 25 31 26 13 8 4 12 9 13 18 24 08 | 22 19 20 46 34 50 61 51 33 7 12 15 21 24 27 24 21 11 6 8 7 14 23 22 09 | 33 29 42 37 52 58 55 37 26 25 12 33 22 34 27 29 21 6 7 14 4 12 17 31 10 | 27 17 30 44 73 69 57 35 20 14 22 20 26 40 44 24 12 3 7 8 5 8 12 15 11 | 21 25 43 47 29 53 27 38 43 28 22 30 26 37 38 38 20 6 3 5 13 7 21 39 12 | 21 29 32 52 41 51 45 50 25 15 24 24 22 44 45 28 18 15 4 4 9 18 19 14 13 | 28 29 22 45 60 41 43 28 IF 17 IF IF IF 30 49 33 12 6 11 5 11 16 21 24 14 | 24 27 32 49 42 54 38 40 20 15 6 14 24 29 22 20 14 5 5 8 7 7 13 19 15 | 22 24 36 34 38 54 44 19 15 14 5 14 22 35 22 21 5 14 7 12 10 17 15 25 16 | 24 26 40 27 51 64 39 25 15 11 10 15 27 25 33 25 9 9 9 15 8 19 13 23 17 | 32 20 32 37 50 59 32 40 16 14 7 15 29 21 24 20 10 8 5 6 11 11 22 29 18 | 27 24 31 34 54 42 41 32 23 13 3 9 14 IF IF 10 12 10 4 6 5 17 18 20 19 | 25 20 27 37 42 46 40 45 24 13 7 17 16 27 IF 19 22 8 8 12 14 17 23 20 20 | 29 22 36 39 42 45 46 29 39 16 16 22 26 21 27 22 18 10 10 10 10 13 17 26 21 | 21 19 31 30 33 36 32 29 16 16 12 11 11 20 25 18 7 7 3 0 6 7 11 12 22 | 15 10 22 38 36 28 30 24 18 17 6 11 IF IF IF 17 10 5 6 6 6 8 9 12 23 | 15 14 25 20 28 36 22 17 23 15 7 13 11 18 26 16 11 7 6 8 16 7 19 21 24 | 17 27 27 38 41 41 32 23 9 19 11 18 13 25 24 16 5 5 4 2 5 14 18 17 25 | 14 20 23 29 30 32 31 25 12 19 5 11 9 13 24 9 11 5 2 3 2 13 9 19 26 | 18 18 34 24 27 28 34 31 15 11 8 4 12 12 6 13 10 2 6 4 4 3 5 8 27 | 11 20 24 8 16 19 22 15 2 8 11 2 7 7 7 14 IF IF 14 IF 2 2 3 12 28 | 6 10 17 21 14 15 16 9 5 2 8 5 5 4 8 4 5 4 7 6 5 14 20 24 29 | 20 25 35 27 40 44 34 23 28 16 11 18 10 IF 16 9 2 4 7 5 2 10 16 17 30 | 13 12 20 13 13 13 21 30 24 6 3 4 IF 5 9 2 3 4 3 9 17 14 28 21 ---+------------------------------------------------------------------------ Jun| 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 Jun| 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 3 1 2 2 1 1 3 4 2 1 1 1 02 | 1 1 1 4 4 3 3 1 1 1 1 1 03 | 2 1 2 3 5 2 1 1 1 1 1 1 1 04 | 1 2 5 4 4 1 1 1 05 | 2 1 2 1 2 1 1 1 1 06 | 4 6 6 2 2 4 2 2 1 2 1 07 | 2 1 2 6 5 1 5 3 2 1 1 1 2 08 | 1 2 3 3 4 7 5 5 1 1 1 1 1 1 09 | 3 2 3 2 3 6 4 5 3 1 4 1 3 1 1 1 10 | 1 4 10 8 11 6 1 1 3 1 2 3 1 11 | 1 3 1 2 5 3 4 2 4 1 1 2 1 2 12 | 1 2 4 3 3 5 1 2 2 3 2 1 2 1 1 1 13 | 2 2 3 7 2 3 1 2 1 1 2 14 | 1 2 1 1 7 3 1 3 1 1 15 | 1 3 1 1 2 4 2 2 1 1 16 | 1 2 3 4 3 1 2 1 1 2 1 1 17 | 1 2 1 3 1 4 1 1 1 18 | 1 2 1 1 2 2 4 1 1 1 1 19 | 3 1 3 1 2 4 1 2 1 1 1 20 | 2 1 2 1 2 2 5 1 3 1 1 2 1 1 1 1 3 21 | 1 2 1 2 3 1 1 1 1 22 | 1 2 4 2 2 1 1 1 23 | 1 2 1 3 2 2 1 1 2 1 24 | 1 2 2 4 4 2 2 2 4 1 1 2 2 25 | 1 2 1 2 3 2 1 1 2 1 1 26 | 2 4 1 1 5 2 1 1 1 27 | 2 1 1 2 1 1 1 28 | 1 1 2 1 1 1 29 | 2 2 1 3 1 1 1 30 | 2 1 1 3 1 1 ---+------------------------------------------------------------------------ Jun| 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 -- Jun| 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 | 8 | 6 | 9 | 6 | 6 | 3 | 5 | 3 | 0 | 0 | 3 | 0 | 1 | 2 | 0 | 3 | 0 | 0 | 0 | 0 | 7 | 5 | 4 | 02 | 3 | 5 | 5 | 8 | 12 | 10 | 1 | 0 | 4 | 2 | 0 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 4 | 2 | 8 | 03 | 7 | 1 | 4 | 3 | 6 | 4 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 3 | 1 | 4 | 0 | 3 | 1 | 5 | 2 | 1 | 04 | 1 | 6 | 4 | 3 | 9 | 3 | 7 | 2 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 1 | 0 | 05 | 3 | 6 | 2 | 10 | 8 | 11 | 2 | 8 | 7 | 3 | 7 | 2 | 4 | 3 | 3 | 3 | 4 | 0 | 1 | 0 | 4 | 0 | 1 | 1 | 06 | 2 | 0 | 0 | 3 | 3 | 7 | 9 | 9 | 3 | 2 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 4 | 8 | 6 | 7 | 07 | 4 | 2 | 7 | 3 | 4 | 5 | 4 | 4 | 4 | 5 | 3 | 1 | 2 | 5 | 2 | 3 | 2 | 1 | 1 | 2 | 3 | 5 | 2 | 8 | 08 | 5 | 5 | 8 | 5 | 3 | 5 | 4 | 8 | 1 | 4 | 0 | 2 | 3 | 9 | 9 | 9 | 2 | 0 | 1 | 0 | 1 | 2 | 8 | 5 | 09 | 4 | 7 | 5 | 7 | 3 | 3 | 4 | 4 | 3 | 5 | 3 | 1 | 0 | 6 | 5 | 1 | 2 | 1 | 0 | 2 | 3 | 5 | 8 | 11 | 10 | 8 | 9 | 11 | 11 | 7 | 6 | 9 | 11 | 5 | 3 | 0 | 1 | 5 | 6 | 6 | 2 | 1 | 1 | 2 | 3 | 5 | 13 | 11 | 9 | 11 | 11 | 6 | 15 | 10 | 3 | 4 | 6 | 8 | 8 | 3 | 0 | 1 | 4 | 6 | 5 | 6 | 3 | 0 | 1 | 0 | 4 | 5 | 12 | 12 | 12 | 2 | 1 | 2 | 5 | 9 | 4 | 4 | 4 | 7 | 5 | 6 | 7 | 4 | 7 | 7 | 1 | 1 | 4 | 3 | 2 | 2 | 6 | 4 | 3 | 13 | 3 | 6 | 6 | 10 | 14 | 7 | 7 | 13 | 8 | 0 | 3 | 5 | 5 | 3 | 8 | 2 | 2 | 2 | 2 | 1 | 2 | 1 | 4 | 4 | 14 | 6 | 1 | 2 | 3 | 6 | 11 | 6 | 2 | 1 | 0 | 1 | 0 | 6 | 4 | 5 | 7 | 1 | 2 | 1 | 0 | 0 | 4 | 3 | 0 | 15 | 4 | 7 | 4 | 8 | 6 | 12 | 6 | 4 | 1 | 0 | 2 | 3 | 2 | 2 | 6 | 1 | 1 | 3 | 1 | 2 | 1 | 5 | 4 | 2 | 16 | 4 | 3 | 5 | 7 | 6 | 10 | 10 | 3 | 1 | 2 | 2 | 2 | 2 | 3 | 7 | 6 | 0 | 3 | 3 | 1 | 1 | 4 | 3 | 5 | 17 | 6 | 3 | 5 | 3 | 12 | 8 | 8 | 4 | 5 | 3 | 0 | 0 | 0 | 3 | 4 | 3 | 3 | 1 | 1 | 1 | 1 | 8 | 9 | 9 | 18 | 8 | 9 | 11 | 17 | 18 | 19 | 18 | 14 | 7 | 2 | 4 | 5 | 3 | 3 | 7 | 5 | 1 | 4 | 3 | 2 | 7 | 6 | 4 | 8 | 19 | 5 | 5 | 16 | 14 | 11 | 9 | 9 | 8 | 2 | 0 | 2 | 4 | 4 | 6 | 10 | 6 | 3 | 1 | 1 | 1 | 1 | 4 | 9 | 4 | 20 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 5 | 4 | 2 | 2 | 3 | 0 | 4 | 9 | 5 | 4 | 2 | 2 | 0 | 4 | 12 | 6 | 5 | 21 | 6 | 4 | 5 | 6 | 4 | 6 | 11 | 9 | 6 | 7 | 5 | 5 | 9 | 9 | 11 | 6 | 8 | 1 | 5 | 1 | 2 | 7 | 6 | 16 | 22 | 9 | 4 | 1 | 8 | 3 | 9 | 3 | 7 | 10 | 1 | 1 | 1 | 4 | 0 | 4 | 2 | 1 | 0 | 4 | 0 | 3 | 8 | 9 | 4 | 23 | 10 | 14 | 9 | 7 | 6 | 8 | 8 | 4 | 3 | 1 | 3 | 0 | 3 | 5 | 4 | 0 | 1 | 1 | 0 | 1 | 5 | 2 | 6 | 6 | 24 | 3 | 7 | 5 | 4 | 3 | 3 | 2 | 1 | 1 | 2 | 2 | 1 | 4 | 2 | 1 | 3 | 4 | 1 | 1 | 2 | 4 | 5 | 10 | 11 | 25 | 0 | 1 | 0 | 2 | 2 | 6 | 4 | 1 | 2 | 2 | 3 | 1 | 2 | 1 | 2 | 2 | 2 | 0 | 1 | 2 | 3 | 3 | 4 | 3 | 26 | 3 | 9 | 3 | 5 | 7 | 6 | 6 | 6 | 4 | 3 | 2 | 3 | 0 | 5 | 4 | 2 | 1 | 0 | 0 | 0 | 3 | 9 | 5 | 4 | 27 | 3 | 6 | 9 | 6 | 3 | 3 | 5 | 5 | 8 | 2 | 2 | 2 | 3 | 2 | 4 | 2 | 1 | 0 | 0 | 3 | 4 | 1 | 2 | 6 | 28 | 3 | 2 | 2 | 5 | 3 | 1 | 4 | 8 | 7 | 2 | 0 | 0 | 0 | 1 | 0 | 2 | 3 | 1 | 2 | 1 | 2 | 1 | 1 | 4 | 29 | 1 | 3 | 2 | 1 | 3 | 8 | 11 | 2 | 3 | 1 | 4 | 1 | 1 | 3 | 3 | 2 | 4 | 0 | 2 | 2 | 6 | 3 | 4 | 1 | 30 | 1 | 0 | 3 | 11 | 5 | 2 | 8 | 7 | 4 | 5 | 2 | 2 | 0 | 0 | 2 | 2 | 1 | 0 | 0 | 0 | 4 | 6 | 15 | 9 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Jun| 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 Jun| 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 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 1 | 0 | 1 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 05 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 1 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 2 | 3 | 4 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 12 | 0 | 0 | 1 | 1 | 1 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 1 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 1 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 1 | 1 | 0 | 2 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 23 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 26 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 27 | 1 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 30 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Jun| 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 -- Jun| 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 | 14 | 7 | 11 | 13 | 26 | 22 | 29 | 29 | 23 | 14 | 2 | 11 | 11 | 8 | 18 | 15 | 10 | 5 | 4 | 5 | 8 | 14 | 10 | 10 | 02 | 14 | 12 | 9 | 18 | 33 | 35 | 24 | 16 | 18 | 11 | 3 | 10 | 7 | 11 | 6 | 12 | 5 | 9 | 3 | 13 | 5 | 10 | 12 | 12 | 03 | 16 | 14 | 19 | 23 | 18 | 19 | 34 | 26 | 6 | 5 | 5 | 4 | 13 | 21 | 22 | 22 | 9 | 5 | 4 | 12 | 10 | 14 | 13 | 9 | 04 | 9 | 11 | 16 | 16 | 29 | 33 | 24 | 36 | 16 | 11 | 8 | 12 | 9 | 21 | 13 | 18 | 9 | 3 | 2 | 7 | 9 | 14 | 12 | 18 | 05 | 8 | 10 | 24 | 25 | 34 | 41 | 28 | 31 | 16 | 22 | 9 | 19 | 15 | 9 | 22 | 7 | 9 | 3 | 7 | 8 | 6 | 14 | 12 | 14 | 06 | 19 | 17 | 16 | 22 | 40 | 60 | 54 | 46 | 13 | 7 | 6 | 5 | 29 | 11 | 28 | 16 | 9 | 3 | 7 | 12 | 8 | 12 | 17 | 14 | 07 | 13 | 11 | 11 | 27 | 42 | 55 | 53 | 23 | 26 | 12 | 11 | 14 | 18 | 18 | 14 | 10 | 15 | 12 | 5 | 10 | 9 | 9 | 11 | 16 | 08 | 6 | 10 | 18 | 22 | 32 | 26 | 46 | 29 | 2 | 15 | 7 | 2 | 16 | 20 | 30 | 18 | 12 | 10 | 7 | 4 | 7 | 12 | 10 | 11 | 09 | 25 | 14 | 22 | 38 | 58 | 54 | 50 | 25 | 20 | 18 | 8 | 11 | 24 | 32 | 26 | 15 | 18 | 2 | 4 | 14 | 23 | 18 | 26 | 8 | 10 | 23 | 23 | 28 | 44 | 60 | 62 | 59 | 40 | 43 | 31 | 17 | 18 | 21 | 24 | 35 | 17 | 21 | 12 | 10 | 5 | 9 | 17 | 18 | 7 | 11 | 18 | 18 | 13 | 34 | 37 | 68 | 61 | 47 | 41 | 11 | 23 | 13 | 28 | 32 | 16 | 20 | 9 | 2 | 6 | 8 | 5 | 15 | 10 | 19 | 12 | 16 | 16 | 22 | 43 | 30 | 77 | 56 | 47 | 45 | 31 | 30 | 13 | 11 | 22 | 17 | 16 | 9 | 5 | 11 | 9 | 11 | 14 | 12 | 19 | 13 | 17 | 34 | 42 | 45 | 63 | 39 | 57 | 60 | 42 | 0 | 4 | 4 | 12 | 24 | 21 | 13 | 6 | 10 | 6 | 5 | 2 | 5 | 15 | 20 | 14 | 29 | 24 | 22 | 25 | 42 | 43 | 54 | 43 | 27 | 12 | 6 | 8 | 10 | 13 | 25 | 13 | 6 | 11 | 0 | 0 | 13 | 9 | 21 | 14 | 15 | 18 | 17 | 24 | 35 | 49 | 47 | 64 | 26 | 2 | 2 | 3 | 2 | 8 | 20 | 12 | 3 | 6 | 0 | 4 | 15 | 5 | 15 | 21 | 19 | 16 | 18 | 18 | 17 | 19 | 43 | 56 | 70 | 31 | 9 | 3 | 3 | 7 | 21 | 19 | 14 | 9 | 1 | 5 | 4 | 1 | 10 | 8 | 12 | 30 | 17 | 21 | 28 | 17 | 30 | 34 | 42 | 36 | 29 | 11 | 4 | 6 | 15 | 19 | 15 | 29 | 7 | 9 | 4 | 6 | 3 | 5 | 5 | 5 | 12 | 18 | 17 | 13 | 23 | 28 | 31 | 38 | 34 | 33 | 6 | 10 | 8 | 14 | 48 | 18 | 19 | 17 | 6 | 7 | 7 | 9 | 8 | 27 | 13 | 11 | 19 | 12 | 15 | 22 | 37 | 65 | 44 | 31 | 30 | 33 | 12 | 7 | 3 | 11 | 9 | 15 | 16 | 4 | 2 | 10 | 3 | 8 | 13 | 10 | 21 | 20 | 21 | 14 | 5 | 44 | 57 | 55 | 32 | 12 | 51 | 20 | 2 | 2 | 7 | 5 | 7 | 12 | 8 | 9 | 6 | 6 | 5 | 8 | 16 | 16 | 21 | 19 | 16 | 22 | 33 | 35 | 33 | 27 | 18 | 12 | 13 | 5 | 8 | 7 | 18 | 15 | 12 | 15 | 9 | 12 | 8 | 9 | 15 | 18 | 20 | 22 | 21 | 12 | 20 | 31 | 33 | -- | 29 | 28 | 20 | 9 | 12 | 3 | 10 | 18 | 5 | 11 | 19 | 11 | 7 | 6 | 11 | 13 | 14 | 15 | 23 | 23 | 20 | 18 | 23 | 31 | 27 | 28 | 23 | 27 | 44 | 11 | 9 | 8 | 18 | 19 | 13 | 8 | 5 | 2 | 7 | 10 | 9 | 14 | 19 | 24 | 11 | 21 | 21 | 29 | 32 | 46 | 33 | 23 | 15 | 9 | 7 | 7 | 11 | 19 | 13 | 15 | 11 | 8 | 6 | 9 | 7 | 36 | 35 | 14 | 25 | 13 | 24 | 16 | 24 | 27 | 32 | 24 | 19 | 19 | 9 | 3 | 4 | 13 | 13 | 17 | 5 | 4 | 4 | 4 | 5 | 11 | 18 | 13 | 9 | 26 | 18 | 15 | 17 | 15 | 38 | 17 | 23 | 15 | 14 | 10 | 14 | 10 | 15 | 12 | 8 | 15 | 8 | 2 | 7 | 9 | 6 | 11 | 20 | 13 | 27 | 21 | 10 | 17 | 15 | 27 | 38 | 23 | 18 | 18 | 9 | 9 | 4 | 10 | 17 | 18 | 21 | 12 | 6 | 10 | 7 | 10 | 18 | 15 | 20 | 28 | 18 | 22 | 17 | 41 | 24 | 28 | 22 | 18 | 11 | 0 | 0 | 6 | 5 | 11 | 2 | 12 | 10 | 5 | 5 | 7 | 11 | 14 | 11 | 22 | 29 | 18 | 7 | 20 | 18 | 31 | 32 | 36 | 19 | 14 | 8 | 36 |??? | 11 | 13 | 13 | 11 | 13 | 9 | 19 | 13 | 9 | 6 | 16 | 21 | 30 | 13 | 15 | 16 | 17 | 36 | 34 | 38 | 14 | 14 | 5 | 8 | 7 | 4 | 10 | 7 | 4 | 3 | 6 | 10 | 6 | 11 | 20 | 13 | 15 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Jun| 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 Jun| 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 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 1 | 0 | 1 | 2 | 4 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 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 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 05 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 0 | 1 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 1 | 0 | 2 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 2 | 2 | 3 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 2 | 2 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 4 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 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 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 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 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 2 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 7 | 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 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 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 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 30 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Jun| 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 -- Jun| 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 | 2 | 6 | 8 | 7 | 6 | 8 | 3 | 2 | 0 | 0 | 1 | 2 | 5 | 9 | 6 | 2 | 1 | 0 | 2 | 2 | 8 | 4 | 5 | 02 | 2 | 5 | 2 | 11 | 12 | 16 | 9 | 6 | 5 | 1 | 2 | 0 | 4 | 3 | 3 | 4 | 4 | 3 | 1 | 8 | 2 | 3 | 1 | 3 | 03 | 5 | 0 | 5 | 6 | 10 | 6 | 6 | 8 | 1 | 1 | 1 | 0 | 2 | 2 | 3 | 7 | 4 | 1 | 1 | 5 | 1 | 6 | 4 | 1 | 04 | 4 | 4 | 3 | 1 | 10 | 15 | 10 | 5 | 5 | 4 | 2 | 4 | 6 | 18 | 5 | 7 | 3 | 2 | 1 | 3 | 3 | 4 | 3 | 4 | 05 | 5 | 3 | 5 | 13 | 13 | 21 | 6 | 6 | 1 | 2 | 1 | 4 | 2 | 4 | 5 | 3 | 3 | 0 | 1 | 1 | 1 | 3 | 2 | 7 | 06 | 1 | 9 | 3 | 10 | 12 | 13 | 14 | 8 | 1 | 4 | 3 | 2 | 9 | 5 | 3 | 7 | 4 | 2 | 4 | 2 | 2 | 7 | 6 | 6 | 07 | 3 | 5 | 2 | 9 | 18 | 20 | 10 | 4 | 5 | 0 | 0 | 0 | 1 | 5 | 0 | 2 | 3 | 2 | 0 | 3 | 3 | 3 | 9 | 5 | 08 | 1 | 6 | 9 | 14 | 4 | 6 | 12 | 9 | 5 | 2 | 1 | 0 | 4 | 6 | 14 | 3 | 2 | 9 | 2 | 0 | 2 | 1 | 3 | 2 | 09 | 4 | 4 | 6 | 8 | 32 | 19 | 19 | 17 | 6 | 3 | 1 | 2 | 7 | 4 | 12 | 2 | 2 | 3 | 2 | 1 | 2 | 4 | 3 | 4 | 10 | 7 | 5 | 7 | 9 | 15 | 23 | 20 | 10 | 3 | 1 | 1 | 2 | 7 | 4 | 5 | 4 | 3 | 1 | 2 | 2 | 2 | 4 | 3 | 3 | 11 | 2 | 2 | 5 | 11 | 11 | 15 | 18 | 7 | 7 | 0 | 4 | 0 | 6 | 9 | 7 | 4 | 1 | 7 | 18 | 2 | 4 | 2 | 3 | 6 | 12 | 6 | 3 | 7 | 9 | 5 | 13 | 16 | 7 | 3 | 0 | 2 | 2 | 8 | 10 | 6 | 7 | 4 | 2 | 7 | 3 | 4 | 6 | 5 | 5 | 13 | 5 | 6 | 9 | 7 | 11 | 16 | 14 | 6 | 5 | 1 | 0 | 1 | 4 | 5 | 11 | 6 | 2 | 1 | 0 | 1 | 0 | 1 | 7 | 1 | 14 | 7 | 1 | 4 | 5 | 12 | 10 | 11 | 6 | 6 | 1 | 1 | 1 | 1 | 4 | 2 | 2 | 2 | 0 | 0 | 0 | 3 | 4 | 5 | 6 | 15 | 6 | 3 | 4 | 4 | 5 | 12 | 4 | 8 | 2 | 0 | 3 | 0 | 0 | 0 | 6 | 2 | 4 | 0 | 0 | 10 | 2 | 2 | 6 | 1 | 16 | 5 | 6 | 2 | 2 | 8 | 9 | 5 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 5 | 1 | 1 | 1 | 0 | 0 | 1 | 4 | 4 | 2 | 17 | 4 | 0 | 2 | 5 | 12 | 10 | 4 | 6 | 4 | 1 | 0 | 2 | 4 | 2 | 5 | 4 | 0 | 2 | 0 | 2 | 1 | 2 | 3 | 2 | 18 | 1 | 3 | 4 | 4 | 3 | 9 | 5 | 9 | 1 | 1 | 1 | 4 | 4 | 2 | 4 | 1 | 1 | 1 | 3 | 2 | 5 | 5 | 2 | 1 | 19 | 2 | 4 | 9 | 4 | 8 | 5 | 3 | 6 | 1 | 0 | 0 | 0 | 7 | 0 | 1 | 2 | 1 | 1 | 0 | 2 | 2 | 2 | 3 | 3 | 20 | 5 | 4 | 2 | 4 | 4 | 10 | 6 | 2 | 2 | 2 | 0 | 1 | 2 | 1 | 6 | 1 | 3 | 1 | 1 | 0 | 1 | 2 | 4 | 7 | 21 | 3 | 3 | 6 | 7 | 8 | 8 | 22 | 2 | 0 | 1 | 5 | 0 | 0 | 2 | 2 | 0 | 1 | 3 | 5 | 1 | 1 | 2 | 6 | 3 | 22 | 1 | 2 | 3 | 0 | 7 | 6 | 5 | 8 | 0 | 0 | 2 | 0 | 0 | 3 | 6 | 2 | 2 | 2 | 66 | 0 | 4 | 8 | 5 | 5 | 23 | 2 | 4 | 8 | 4 | 4 | 12 | 5 | 8 | 2 | 37 | 1 | 0 | 1 | 2 | 1 | 6 | 1 | 1 | 1 | 0 | 0 | 4 | 2 | 4 | 24 | 2 | 3 | 1 | 7 | 7 | 10 | 5 | 2 | 2 | 3 | 0 | 0 | 1 | 6 | 0 | 2 | 1 | 0 | 2 | 4 | 2 | 5 | 4 | 3 | 25 | 2 | 4 | 6 | 9 | 8 | 9 | 3 | 8 | 8 | 0 | 4 | 0 | 3 | 0 | 4 | 5 | 34 | 0 | 2 | 1 | 4 | 4 | 0 | 1 | 26 | 3 | 2 | 3 | 1 | 5 | 0 | 3 | 1 | 2 | 0 | 1 | 1 | 3 | 0 | 1 | 1 | 0 | 0 | 4 | 3 | 0 | 3 | 5 | 5 | 27 | 4 | 3 | 4 | 4 | 5 | 7 | 2 | 5 | 4 | 1 | 6 | 0 | 2 | 3 | 3 | 2 | 4 | 5 | 2 | 16 | 6 | 2 | 1 | 4 | 28 | 0 | 4 | 1 | 5 | 8 | 5 | 7 | 3 | 1 | 2 | 0 | 0 | 1 | 1 | 2 | 6 | 3 | 0 | 0 | 1 | 1 | 4 | 3 | 1 | 29 | 3 | 4 | 2 | 6 | 9 | 10 | 5 | 4 | 6 | 2 | 6 |??? | 4 | 8 | 2 | 8 | 6 | 2 |??? | 2 | 2 | 0 | 2 | 0 | 30 | 2 |??? | 6 | 2 | 8 |??? | 6 | 2 |??? | 2 | 2 | 0 |??? | 0 |??? | 2 | 0 | 1 | 0 | 2 | 6 | 1 | 4 | 1 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Jun| 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 Jun| 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 1 | 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 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 21 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Jun| 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 53.099MHz(Toyokawa), USB Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Jun| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 2 | 4 | 3 | 2 | 2 | 3 | 3 | 2 | 2 |May 01 | 3 | 0 | 2 | 3 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 4 | 3 | 2 | 3 | 0 | 2 | 4 | 2 | 02 | 3 | 2 | 0 | 2 | 1 | 3 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 3 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 04 | 1 | 0 | 1 | 4 | 5 | 3 | 5 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 3 | 2 | 0 | 6 | 3 | 4 | 4 | 2 | 2 | 05 | 1 | 1 | 1 | 1 | 3 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 3 | 5 | 4 | 2 | 2 | 1 | 06 | 0 | 0 | 3 | 2 | 4 | 4 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 3 | 2 | 4 | 6 | 5 | 7 | 3 | 2 | 07 | 1 | 2 | 0 | 6 | 9 | 8 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 5 | 2 | 2 | 4 | 7 | 3 | 2 | 0 | 08 | 2 | 1 | 1 | 8 | 8 | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 2 | 3 | 6 | 9 | 4 | 0 | 09 | 2 | 2 | 5 | 0 | 9 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 10 | 1 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 11 | 0 | 0 | 0 | 0 | 3 | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 1 | 1 | 3 | 5 | 3 | 2 | 0 | 12 | 0 | 1 | 1 | 4 | 6 | 5 | 1 | 1 | 1 | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 4 | 4 | 3 | 3 | 6 | 5 | 3 | 0 | 13 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 1 | 5 | 2 | 3 | 0 | 14 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 2 | 1 | 1 | 1 | 2 | 15 | 2 | 0 | 2 | 1 | 2 | 2 | 0 | 2 | 0 | 1 | 0 | 2 | 0 | 0 | 2 | 1 | 2 | 0 | 4 | 2 | 5 | 3 | 3 | 0 | 16 | 0 | 1 | 5 | 2 | 6 | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 3 | 2 | 1 | 4 | 3 | 1 | 4 | 3 | 2 | 17 | 3 | 0 | 2 | 2 | 8 | 2 | 0 | 2 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 4 | 0 | 3 | 5 | 5 | 1 | 2 | 1 | 1 | 18 | 1 | 2 | 3 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 1 | 6 | 4 | 1 | 1 | 2 | 3 | 19 | 0 | 0 | 0 | 1 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 2 | 3 | 2 | 7 | 1 | 2 | 1 | 20 | 0 | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 1 | 1 | 4 | 5 | 3 | 3 | 3 | 1 | 21 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 5 | 1 | 3 | 8 | 5 | 1 | 6 | 1 | 0 | 22 | 2 | 4 | 0 | 0 | 2 | 1 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 2 | 3 | 6 | 4 | 2 | 1 | 0 | 2 | 23 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | 1 | 2 | 0 | 1 | 1 | 1 | 24 | 0 | 2 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 5 | 3 | 3 | 2 | 0 | 1 | 2 | 25 | 0 | 0 | 0 | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 3 | 0 | 2 | 2 | 2 | 3 | 2 | 1 | 1 | 26 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 27 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 0 | 1 | 1 | 2 | 3 | 4 | 1 | 28 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 1 | 2 | 1 | 1 | 5 | 9 | 4 | 2 | 3 | 5 | 4 | 29 | 1 | 2 | 0 | 1 | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 4 | 1 | 4 | 1 | 10 | 5 | 0 | 1 | 30 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 2 | 1 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Jun| 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 Jun| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |May 01 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 18 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Jun| 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 -- Jun| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 6 | 3 | 8 | 7 | 4 | 11 | 8 | 0 | 2 |May 01 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 8 | 4 | 8 | 13 | 6 | 4 | 13 | 16 | 9 | 2 | 02 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 2 | 0 | 5 | 7 | 3 | 5 | 3 | 7 | 10 | 9 | 2 | 0 | 03 | 1 | 0 | 0 | 5 | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 9 | 11 | 4 | 7 | 9 |??? |??? |??? | 04 |??? |??? | 1 | 0 | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0 | 1 | 8 | 7 | 3 | 7 | 9 | 6 | 11 | 5 | 3 | 05 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 3 | 2 | 0 | 5 | 6 | 5 | 4 | 8 | 16 | 19 | 3 | 2 | 06 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 3 | 3 | 9 | 11 | 2 | 1 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 2 | 4 | 6 | 9 | 10 | 9 | 0 | 08 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 4 |??? |??? |??? |??? |??? | 2 | 09 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 1 | 0 | 2 | 1 | 1 | 0 | 0 | 1 | 2 | 3 | 2 | 4 | 14 | 6 | 14 | 9 | 5 | 10 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 2 | 3 | 3 | 5 | 5 | 6 | 12 | 4 | 2 | 11 | 2 | 0 | 2 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 5 | 1 | 6 | 7 | 9 | 9 | 15 | 5 | 3 | 12 | 0 | 0 | 0 | 3 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 2 | 1 | 3 | 5 | 7 | 6 | 10 | 4 | 2 | 13 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 7 | 3 | 7 | 5 | 0 | 14 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 3 | 0 | 2 | 4 | 4 | 8 | 6 | 6 | 0 | 15 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 4 | 3 | 3 | 2 | 2 | 8 | 3 | 5 | 1 | 0 | 16 | 1 | 0 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 5 | 0 | 4 | 5 | 5 | 1 | 1 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 1 | 4 | 4 | 4 | 2 | 4 | 2 | 1 | 18 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 2 | 4 | 5 | 5 | 0 | 5 | 2 | 5 | 5 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 2 | 1 | 2 | 7 | 6 | 1 | 2 |??? | 20 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 3 | 3 | 5 | 0 | 2 | 1 | 0 | 1 | 21 | 0 | 0 | 0 | 1 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 3 | 3 | 4 | 5 | 6 | 0 | 4 | 1 | 0 | 22 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 0 | 1 | 2 | 5 | 4 | 2 | 1 | 3 | 4 | 2 | 0 | 1 | 23 | 3 | 1 | 2 | 1 | 2 | 3 | 0 | 1 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | 2 | 3 | 1 | 3 | 3 | 7 | 2 | 0 | 24 | 1 | 0 | 1 | 1 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | 2 | 1 | 5 | 2 | 4 | 6 | 6 | 1 | 1 | 25 | 0 | 0 | 1 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 5 | 3 | 1 | 4 | 1 | 5 | 5 | 8 | 1 | 26 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 2 | 4 | 6 | 2 | 7 | 3 | 7 | 4 | 0 | 1 | 27 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 4 | 3 | 5 | 3 | 5 | 3 | 8 | 3 | 2 | 2 | 28 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 2 | 2 | 1 | 3 | 1 | 5 | 1 | 1 | 1 | 6 | 6 | 0 | 0 | 29 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 2 | 2 | 2 | 2 | 4 | 5 | 5 | 2 | 1 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Jun| 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 Jun| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |May 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 |??? |??? |??? | 04 |??? |??? | 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 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |??? |??? |??? |??? |??? | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 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 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 1 | 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 | 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 | 1 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Jun| 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 Jun| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 5 | 9 | 7 | 10 | 10 | 12 | 7 | 12 | 11 |May 01 | 6 | 20 | NS | NS | 22 | NS | NS | 3 | 0 | NS | NS | 4 | 3 | 7 | 5 | 9 | 12 | 10 | 11 | 7 | 10 | 6 | 14 | 14 | 02 | 6 | 11 | 23 | 16 | 17 | 12 | 8 | 4 | NS | NS | 3 | 3 | 3 | 1 | 12 | 7 | 8 | 14 | 11 | 8 | 6 | 9 | 8 | 9 | 03 | 9 | 10 | 18 | 17 | 17 | 13 | 9 | 9 | 2 | NS | 1 | 3 | 4 | 5 | 6 | 12 | 8 | 15 | 9 | 10 | 11 | 11 | 12 | 8 | 04 | 9 | 14 | 22 | 20 | 20 | 21 | 14 | NS | NS | NS | 0 | 0 | 3 | 5 | 3 | 10 | 14 | 9 | 9 | 12 | 4 | 10 | 8 | 13 | 05 | 13 | 17 | 26 | 34 | 19 | 17 | 12 | 4 | NS | NS | 1 | 2 | 6 | 4 | 5 | 5 | 9 | 5 | 11 | 14 | 11 | 8 | 8 | 10 | 06 | 8 | 27 | 36 | 30 | 37 | 31 | 8 | 2 | 3 | 0 | NS | 1 | 4 | 9 | 5 | 14 | 11 | 14 | 10 | 7 | 13 | 10 | 7 | 10 | 07 | 14 | 24 | 29 | 30 | 21 | 21 | 14 | 9 | NS | NS | 0 | 4 | 2 | 10 | 8 | 10 | 10 | 14 | 14 | 11 | 13 | 13 | 7 | 4 | 08 | 5 | 30 | 28 | 33 | 20 | 24 | 14 | 8 | 0 | 1 | 0 | 1 | 4 | 6 | 6 | 9 | 8 | 8 | 12 | 7 | 15 | 8 | 10 | 6 | 09 | 13 | 19 | 42 | 40 | 36 | 19 | 15 | 7 | 3 | 1 | 3 | 2 | 2 | 6 | 7 | 8 | 10 | 12 | 14 | 19 | 10 | 11 | 6 | 6 | 10 | 6 | 25 | 38 | 25 | 35 | 16 | 6 | 6 | 2 | 2 | 2 | 2 | 5 | 4 | 8 | 7 | 15 | 11 | 11 | 14 | 11 | 7 | 10 | 8 | 11 | 4 | 11 | 27 | 23 | 19 | 22 | 14 | 7 | 4 | NS | 2 | 3 | 5 | 1 | 5 | 5 | 9 | 17 | 16 | 14 | 7 | 8 | 6 | 4 | 12 | 10 | 14 | 38 | 26 | 24 | 23 | 13 | 11 | 1 | NS | NS | NS | 8 | 4 | 8 | 8 | 13 | 18 | 9 | 10 | 10 | 11 | 20 | ES | 13 | ES | ES | 34 | 27 | 30 | 24 | 11 | 8 | 1 | 2 | 2 | 1 | 1 | 5 | 7 | 6 | 10 | 3 | 17 | 13 | 7 | 10 | 8 | 11 | 14 | 6 | 15 | 30 | 26 | 29 | 26 | 8 | 4 | NS | NS | 0 | 2 | 3 | 7 | 5 | 8 | 16 | 19 | 17 | 10 | 9 | 5 | 8 | 8 | 15 | 11 | 19 | 16 | 28 | 26 | 13 | 12 | 7 | 1 | NS | 4 | 3 | 5 | 4 | 7 | 10 | 11 | 8 | 12 | 15 | 10 | 6 | 8 | 4 | 16 | 10 | 24 | 32 | 27 | 22 | 16 | 9 | 2 | 2 | 2 | NS | NS | 7 | 6 | 10 | 12 | 9 | 3 | 12 | 6 | 8 | 11 | 8 | 10 | 17 | 4 | 18 | 16 | 28 | 19 | 17 | 5 | 5 | NS | NS | 2 | 3 | 5 | 4 | 12 | 8 | 9 | 17 | 8 | 12 | 10 | 8 | 10 | 9 | 18 | 11 | 13 | 29 | 15 | 20 | 8 | 3 | NS | NS | 0 | 5 | 4 | 2 | 9 | 7 | 8 | 11 | 11 | 8 | 17 | 8 | 6 | 6 | 4 | 19 | 9 | 12 | 19 | 14 | 11 | 12 | 11 | 9 | 0 | 0 | 2 | 1 | 8 | 4 | 1 | 8 | 9 | 8 | 8 | 8 | 2 | 6 | 3 | 14 | 20 | 11 | 9 | 18 | 26 | 15 | 11 | 9 | 5 | 1 | 2 | 6 | 2 | 5 | 4 | 4 | 8 | 10 | 8 | 17 | 17 | 8 | 8 | 12 | 7 | 21 | 10 | 16 | 17 | 24 | 21 | 13 | 5 | 6 | NS | NS | 1 | 3 | 5 | 5 | 7 | NS | 11 | 15 | 14 | 12 | 13 | 11 | 9 | 13 | 22 | 10 | 12 | 20 | 19 | 14 | 11 | NS | 2 | 2 | 2 | 2 | NS | 3 | 5 | 5 | 11 | 18 | 9 | 15 | NS | 11 | 13 | 2 | 7 | 23 | IF | 6 | 16 | NS | 17 | 16 | 8 | 7 | 3 | 0 | NS | 8 | 6 | 6 | 2 | 6 | 17 | 14 | 11 | 10 | 9 | 14 | 12 | 7 | 24 | 13 | 9 | NS | NS | 18 | 14 | 13 | 4 | NS | 1 | 4 | 2 | 3 | 3 | 9 | 8 | 8 | 9 | 9 | 11 | 7 | 7 | 8 | 10 | 25 | 7 | 9 | 15 | 22 | 14 | 16 | 9 | 2 | 5 | 1 | NS | 1 | 10 | 3 | 8 | 12 | 10 | 14 | 8 | 9 | 11 | 10 | 11 | 6 | 26 | 7 | 10 | 12 | 13 | 16 | 11 | 5 | 7 | 1 | NS | NS | 1 | 4 | 3 | 9 | 14 | 17 | 20 | 19 | 10 | 15 | 10 | 7 | 10 | 27 | 9 | 12 | 13 | 16 | 22 | 17 | ES | ES | ES | ES | ES | 0 | 3 | 3 | 13 | 10 | 4 | 10 | 16 | 11 | 12 | 13 | 8 | 8 | 28 | 8 | 8 | 17 | 14 | 11 | 14 | 8 | 7 | 2 | NS | NS | 0 | 2 | 1 | 6 | 8 | 11 | 7 | 12 | 15 | 15 | 9 | 13 | 6 | 29 | 6 | 11 | 19 | 17 | 13 | 10 | 7 | 1 | NS | NS | 0 | 2 | 3 |??? |??? |??? |??? |??? |??? |??? |??? | 11 |??? | 5 | 30 |??? | 14 | 10 | 14 | 16 | 9 |??? |??? | 2 | 6 | 1 | 3 | 4 | 6 | 9 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Jun| 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 Jun| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 |May 01 | 0 | 0 | NS | NS | 0 | NS | NS | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 08 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 09 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | ES | 13 | ES | ES | 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 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | NS | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 1 | 23 | IF | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 24 | 1 | 0 | NS | NS | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 27 | 1 | 0 | 0 | 0 | 0 | 0 | ES | ES | ES | ES | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? | 0 |??? | 0 | 30 |??? | 0 | 0 | 0 | 0 | 0 |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Jun| 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 Jun| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 3 | 4 | 4 | 2 | 1 | 6 | 3 | 5 | 3 |May 01 | 2 | 2 | 4 | 11 | 8 | 6 | 8 | 6 | 1 | 4 | 4 | 3 | 3 | 4 | 2 | 2 |??? |??? | 3 |??? |??? |??? | 3 | 5 | 02 | 4 | 2 | 2 | 3 | 3 | 5 | 7 | 6 | 4 | 3 | 1 | 3 | 6 | 4 | 3 | 3 | 1 | 3 | 6 | 7 | 6 | 13 | 13 | 19 | 03 | 8 | 9 | 4 | 9 | 10 | 20 | 8 | 13 | 1 | 6 | 1 | 8 | 7 | 3 | 5 | 4 | 1 | 3 | 0 |??? |??? |??? |??? | 3 | 04 | 5 | 5 | 4 | 4 | 5 | 9 | 2 | 0 | 7 | 2 | 9 | 2 | 5 | 2 | 7 | 6 | 2 | 4 | 7 | 7 | 6 | 5 | 6 | 6 | 05 | 9 | 4 | 4 | 5 | 4 | 3 | 6 | 4 | 2 | 3 | 0 | 7 | 4 | 4 | 1 | 3 | 3 | 0 | 4 | 6 | 4 | 9 | 1 | 4 | 06 | 7 | 2 |??? | 6 | 13 | 10 | 5 | 2 | 1 | 4 | 2 | 7 | 5 | 2 | 4 | 2 | 1 | 1 | 4 | 1 | 13 | 15 | 2 | 5 | 07 | 3 | 2 | 2 | 10 | 8 | 15 | 11 | 4 | 7 | 3 | 4 | 5 | 10 | 3 | 6 | 7 | 5 | 1 | 13 | 2 | 9 | 7 | 11 | 4 | 08 | 6 | 2 | 2 | 6 | 10 | 7 | 6 | 9 | 4 | 6 | 3 | 2 | 1 | 2 | 4 | 0 | 3 | 0 | 4 | 3 | 9 | 5 | 7 | 1 | 09 | 4 | 5 | 9 | 11 | 11 | 11 | 11 | 6 | 6 | 6 | 0 | 2 | 0 | 1 | 2 | 3 | 3 | 3 | 7 | 12 | 8 | 16 | 8 | 5 | 10 | 2 | 5 | 5 | 17 | 13 | 19 | 7 | 4 | 0 | 1 | 2 | 3 | 0 | 1 | 2 | 3 | 2 | 0 | 5 | 10 | 4 | 11 | 6 | 7 | 11 | 8 | 4 | 3 | 6 | 12 | 18 | 13 | 7 | 5 | 4 | 3 | 4 | 5 | 2 | 5 | 1 | 3 | 2 | 4 | 7 | 13 | 8 | 8 | 2 | 12 | 0 | 2 | 1 | 5 | 6 | 7 | 4 | 3 | 2 | 1 | 7 | 1 | 1 | 6 | 1 | 3 | 5 | 2 | 1 | 5 | 5 | 3 | 2 | ES | 13 | ES | ES | ES | 0 | 2 | 7 | 2 | 4 | 1 | 1 | 0 | 2 | 4 | 1 | 3 | 4 | 2 | 7 | 3 | 4 | 9 | 10 | 5 | 10 | 14 | 2 | 5 | 4 | 13 | 17 | 15 | 10 | 7 | 7 | 6 | 9 | 1 | 4 | 8 | 0 | 4 | 1 | 3 | 10 | 11 | 7 | 10 | 5 | 9 | 15 | 0 | 3 | 0 | 14 | 5 | 8 | 5 | 10 | 0 | 4 | 2 | 1 | 4 | 9 | 2 | 4 | 3 | 6 | 5 | 10 | 9 | 10 | 5 | 7 | 16 | 5 | 10 | 6 | 5 | 9 | 12 | 5 | 6 | 3 | 3 | 3 | 4 | 4 | 1 |??? |??? |??? |??? |??? |??? |??? |??? | 6 | 1 | 17 | 3 | 3 | 2 | 5 | 6 | 9 | 7 | 4 | 2 | 1 | 3 | 3 | 3 | 6 | 6 | 1 | 1 | 7 | 1 |??? |??? |??? | 5 | 3 | 18 | 2 | 1 | 1 | 1 | 4 | 2 | 1 | 3 | 3 | 0 | 0 | 4 | 1 | 2 | 7 | 2 | 6 | 4 | 5 | 7 | 6 | 4 | 3 | 5 | 19 | 1 | 3 | 3 | 2 | 5 | 3 | 2 | 1 | 1 | 0 | 1 | 1 | 2 | 5 | 0 | 2 | 2 | 2 | 6 | 5 | 2 | 9 | 6 | 6 | 20 | 1 | 0 | 2 | 5 | 4 | 2 | 2 | 2 | 0 | 3 | 3 | 5 | 2 | 2 | 4 | 6 | 3 | 6 | 2 | 6 | 8 | 5 | 2 | 2 | 21 | 2 | 4 | 3 | 4 | 6 | 6 | 3 | 5 | 2 | 0 | 0 | 3 | 2 | 1 | 3 | 3 | 6 | 3 | 4 | 6 | 5 | 8 | 3 | 6 | 22 | 1 | 1 | 2 | 1 | 4 | 1 | 2 | 3 | 5 | 1 | 0 | 3 | 1 | 0 | 0 | 0 | 2 | 4 | 7 | 2 | 3 | 6 | 1 | 1 | 23 | 0 | 2 | 8 | 3 | 9 | 9 | 6 | 5 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 10 | 1 | 24 | 7 | 6 | 2 | 3 | 7 | 2 | 4 | 4 | 1 | 1 | 1 | 0 | 2 | 0 | 0 | 3 | 3 | 5 | 7 | 8 | 9 | 9 | 10 | 4 | 25 | 1 | 0 | 2 | 4 | 3 | 11 | 3 | 3 | 2 | 0 | 1 | 0 | 2 | 4 | 1 | 4 | 4 | 3 | 4 | 7 | 6 | 11 | 5 | 2 | 26 | 5 |??? | 4 | 5 | 5 | 10 | 5 | 5 | 5 | 1 | 1 | 1 | 1 | 5 | 1 | 2 | 5 | 9 | 4 | 6 | 10 | 4 | 7 | 2 | 27 | 1 | 0 | 0 | 2 | 2 | 7 | 6 | 2 | 1 | 1 | 0 | 2 | 0 | 2 | 0 | 4 | 3 | 2 | 3 | 3 | 10 | 3 | 1 | 0 | 28 | 0 | 0 | 0 | 0 | 2 | 3 | 2 | 5 | 1 |??? |??? | 0 | 4 | 0 | 1 | 1 | 2 | 3 | 5 | 7 | 5 | 8 | 8 | 2 | 29 | 2 | 1 | 2 | 2 | 7 | 6 | 2 | 2 | 0 | 1 | 1 | 1 | 2 | 6 | 1 | 1 | 8 | 5 | 6 | 11 | 6 | 6 | 3 | 2 | 30 | 5 | 4 | 3 | 2 | 0 | 4 | 7 | 4 | 3 | 3 | 2 | 2 | 3 | 6 | 4 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Jun| 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 Jun| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |May 01 | 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 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 1 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 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 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ES | 13 | ES | ES | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 16 | 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 | 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 | 1 | 0 | 0 | 2 | 0 | 1 | 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 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 23 | 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 | 1 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 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 | 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Jun| 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 Jun| 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 | 0 | 1 | 0 |??? | ES | ES | NS | 2 | NS | 2 | 1 | 2 | 3 | 1 | 2 | 3 | 4 | 2 | 3 | 4 | 3 | 3 | 3 | 0 | 02 | ES | 3 | 0 | 0 | 0 | 1 | 3 | 1 | 0 | 0 | 1 | 4 | 0 | 2 | 0 | 1 | 0 | 1 | 1 | 3 | 4 | 4 | 5 | 5 | 03 | 1 | 4 | 4 | 1 | 4 | 6 | 1 | 2 | 5 | 0 | 5 | 1 | 2 | 2 | 2 | 5 | 4 | 2 | 2 | 3 | 5 | 2 | 4 | 1 | 04 | 1 | 2 | 1 | 2 | 0 | 0 | 0 | 3 | 3 | 0 | 1 | 0 | 0 | 1 | 3 | 4 | 1 | 1 | 9 | 4 | 4 | 5 | 5 | 2 | 05 | 1 | 1 | 2 | 3 | 4 | 4 | 5 | 5 | 3 | 0 | 1 | 4 | 2 | 3 | 1 | 4 | 2 | 0 | 3 | 5 | 6 | 6 | 4 | 1 | 06 | 3 | 3 | 1 | 3 | 1 | 6 | 5 | 3 | 2 | 2 | NS | NS | 1 | 1 | 1 | 3 | 2 | 2 | 5 | 3 | 6 | 2 | 2 | 2 | 07 | 0 | 0 | 2 | 2 | 1 | 1 | 4 | 4 | 2 | 0 | 0 | 1 | 2 | 2 | 3 | 3 | 4 | 3 | 3 | 6 | 5 | 4 | 2 | 0 | 08 | 0 | 2 | 0 | 0 | 0 | 4 | 2 | 4 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 2 | 3 | 3 | 1 | 5 | 2 | 1 | 4 | 09 | 0 | 2 | 0 | 0 | 4 | 5 | 1 | 5 | 3 | 0 | NS | NS | NS | NS | 5 | 4 | 6 | 2 | 2 | 11 | 10 | NS | 9 | 5 | 10 | 3 | 2 | 1 | 3 | 7 | 7 | 9 | 6 | 4 | 1 | 3 | 1 | 3 | 0 | 3 | 5 | 6 | 3 | 4 | 6 | 12 | 5 | 5 | 1 | 11 | 3 | 1 | 1 | 2 | 4 | 13 | 3 | 3 | 2 | 1 | 0 | 1 | 0 | 0 | 3 | 4 | 5 | 3 | 7 | 8 | 8 | 8 | 6 | 1 | 12 | 2 | ES | 5 | 2 | 5 | 5 | 2 | 4 | 1 | 3 | 0 | 3 | NS | 2 | 3 | 1 | 0 | 4 | 4 | 8 | 5 | 5 | 3 | 7 | 13 | ES | ES | ES | ES | 0 | NS | 3 | 4 | 2 | 1 | 0 | 0 | 1 | 3 | 2 | 3 | 1 | 5 | 4 | 5 | 8 | 4 | 4 | 1 | 14 | 1 | 1 | 1 | 0 | 6 | 10 | 4 | 3 | 1 | 0 | 0 | NS | NS | 4 | 4 | 2 | 0 | 4 | 11 | 13 | 8 | 7 | 7 | 2 | 15 | 4 | 0 | 2 | 4 | 2 | 4 | 3 | 4 | 2 |??? | 2 | 2 | 1 | 2 | NS | 4 | 4 | 2 | 5 | 5 | 3 | 3 | 8 | 8 | 16 | 3 | 0 | 2 | 0 | 3 | 7 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 0 | 2 | 0 | 2 | 2 | 0 | 4 | 5 | 4 | 5 | 17 | 8 | 2 | 0 | ES | ES | ES | 5 | 0 | 2 | 0 | 2 | NS | 0 | NS | NS | 1 | 0 | 3 | 4 | 7 | 3 | 5 | 6 | 5 | 18 | 0 | 1 | 1 | 0 | 0 | 0 | 4 | 0 | 0 | 2 | 1 | ES | NS | 0 | 0 | 3 | 4 | 6 | 3 | 3 | 8 | 6 | 1 | 2 | 19 | 0 |??? | ES | ES |??? |??? |??? |??? |??? | 0 | 0 | 0 | 3 | 4 | 3 | 4 | 2 | 3 | 1 | 4 | 5 | 7 |??? |??? | 20 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | NS | NS | NS | NS | 0 | 1 | 1 | 2 | 3 | 6 | 3 | 9 | 7 | 2 | 21 | 1 | 0 | 0 | 0 | 3 | 3 | 5 | 4 | 3 | 0 | NS | NS | NS | NS | NS | 3 | 4 | 5 | 7 | 3 | 4 | 2 | ES | ES | 22 | 0 | 2 | 4 | 1 | 1 | 2 | 3 | 2 | 2 | 0 | 0 | NS | 0 | 2 | 3 | 0 | 4 | 3 | 7 | 4 | 6 | 8 | 5 | 1 | 23 | 1 | 1 | NS | NS | 2 | 3 | 2 | 6 | 0 | 0 | 3 | 0 | NS | NS | 10 | 6 | 7 | 2 | 11 | 4 | 6 | 7 | 9 | 4 | 24 | 2 | 1 | 3 | 2 | 1 | 1 | 4 | 1 | 2 | 1 | 0 | NS | NS | 9 | 4 | 8 | 3 | 8 | 7 | 5 | 6 | 5 | 8 | 0 | 25 | 0 | 1 | 2 | 1 | 1 | 2 | 3 | 3 | 0 | 0 | NS | NS | NS | NS | 5 | 2 | 2 | 2 | 3 | 6 | 5 | 4 | 5 | 4 | 26 | 2 | 0 | NS | 2 | 5 | 4 | 9 | 2 | 4 | 1 | 1 | NS | NS | NS | 3 | 1 | 4 | 3 | 1 | 8 | 7 | 5 | 5 | 0 | 27 | NS | NS | 2 | 1 | 2 | ES | 1 | 0 | 3 | NS | NS | NS | NS | ES | 4 | 4 | 4 | 3 | 1 | 4 | 3 | 5 | 2 | ES | 28 | ES | 2 | 0 | 0 | 0 | 2 | 3 | 2 | 2 | 1 | NS | NS | NS | 0 | 2 | 2 | 4 | 2 | 2 | 1 | 3 | 1 | 5 | 3 | 29 | 4 | 1 | 2 | 0 | 0 | 0 | 2 | 3 | 0 | NS | 1 | 3 | NS | 0 | 2 | 2 | 2 | 3 | 4 | 5 | 2 | 2 | 1 | 1 | 30 | ES | 2 | 1 | 0 | 0 | 2 | 2 | 4 | 1 | 2 | NS | NS | 0 | 4 | 2 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Jun| 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 Jun| 00h| 01h| 02h| 03h| 04h| 05h| 06h| 07h| 08h| 09h| 10h| 11h| 12h| 13h| 14h| 15h| 16h| 17h| 18h| 19h| 20h| 21h| 22h| 23h|UT ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 31 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |May 01 | 0 | 0 | 0 |??? | ES | ES | NS | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 04 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 2 | 0 | 1 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 2 | NS | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 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 | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 13 | ES | ES | ES | ES | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? | 0 | 0 | 0 | 0 | NS | 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 | ES | ES | ES | 0 | 0 | 0 | 0 | 0 | NS | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ES | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 19 | 0 |??? | ES | ES |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |??? |??? | 20 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | NS | 0 | 0 | 1 | 0 | 0 | 0 | 0 | ES | ES | 22 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 23 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | NS | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | NS | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | NS | NS | 0 | 0 | 1 | ES | 0 | 0 | 0 | NS | NS | NS | NS | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | ES | 28 | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 30 | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ Jun| 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 2025.07.12