Radio Meteor Observation in Japan No.247 May 2022 - English : https://www.iprmo.org - Japanese: https://www.amro-net.jp ----------------------------------------------------------------------------- Observer : Kenji Fujito Location : Yokkaichi, Mie, Japan (34.96 N, 136.61 E) Frequency: 53.755 MHz Transmitter Location: Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Antenna : 2el. Comet HB9CV, zenith Receiver: ITEC HRO-RX1a Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- 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 | 13 12 8 9 9 10 16 6 11 6 12 10 10 9 4 2 2 7 2 4 4 1 9 7 02 | 9 16 15 13 17 16 10 5 5 15 5 3 2 0 2 0 0 2 2 3 3 8 8 13 03 | 10 17 14 17 15 16 19 17 8 7 6 5 5 3 1 0 0 2 1 0 0 6 11 8 04 | 10 16 15 18 22 27 14 9 14 11 8 7 2 4 0 0 0 1 3 4 4 6 6 12 05 | 8 12 8 21 19 18 26 23 10 14 14 9 3 2 6 3 1 0 0 1 2 3 3 5 06 | 6 8 20 17 13 16 20 13 14 12 6 5 5 2 2 1 3 0 2 2 4 3 4 8 07 | 10 11 9 7 17 19 18 15 11 13 13 6 6 4 4 2 2 1 0 4 3 3 9 9 08 | 14 18 16 16 10 18 19 9 7 0 3 1 3 0 1 1 2 0 1 2 3 4 9 12 09 | 9 13 17 19 6 21 33 19 19 22 12 11 6 7 5 1 3 0 5 2 3 5 9 9 10 | 10 20 6 15 13 20 16 19 22 11 12 12 13 15 5 7 1 1 0 3 5 5 6 5 11 | 10 8 9 11 19 15 16 15 9 13 9 6 11 3 9 2 2 3 0 2 6 3 7 4 12 | 8 9 4 14 10 10 15 9 9 11 5 5 8 6 4 6 3 3 0 2 2 7 7 8 13 | 7 11 12 15 10 14 12 13 13 7 12 8 5 7 5 2 1 1 5 2 2 2 7 8 14 | 15 15 8 17 10 13 11 10 11 11 5 9 7 7 3 2 1 0 2 5 1 3 4 11 15 | 7 18 14 15 11 13 12 14 7 5 3 5 3 7 10 5 2 2 2 3 7 4 8 7 16 | 13 10 7 13 10 16 21 8 6 8 9 11 10 1 5 2 2 3 1 2 3 5 6 10 17 | 13 11 6 9 12 7 17 9 10 13 11 11 10 10 5 7 2 3 2 2 1 6 8 6 18 | 12 9 10 14 10 8 10 11 9 4 9 1 0 0 0 0 2 2 2 4 5 5 1 5 19 | 7 13 10 7 12 12 18 9 3 5 2 8 8 3 2 2 1 1 3 3 4 4 5 7 20 | 10 12 11 9 9 13 15 7 7 4 2 5 6 0 2 3 2 0 0 0 3 4 7 7 21 | 6 11 6 10 10 10 8 7 6 1 3 3 4 7 6 9 2 2 1 3 2 4 8 8 22 | 8 17 14 9 9 8 8 9 7 9 4 5 2 0 1 0 2 2 0 1 2 6 7 3 23 | 11 12 15 11 13 11 11 3 5 2 0 0 1 3 1 0 0 0 2 0 1 1 6 9 24 | 9 5 10 3 13 12 13 13 6 3 5 0 7 2 2 1 0 2 2 0 2 5 5 9 25 | 7 12 8 4 11 9 6 6 5 5 4 3 0 3 6 2 1 1 0 0 1 2 8 3 26 | 5 5 6 5 10 8 8 9 8 3 2 2 0 6 5 7 2 2 1 2 1 3 4 8 27 | 5 11 9 10 5 10 15 5 4 5 5 1 2 4 4 5 2 3 2 4 5 8 11 6 28 | 13 8 10 4 10 11 13 6 8 2 2 2 1 1 1 0 1 1 1 0 1 0 3 1 29 | 5 10 8 15 13 11 7 6 3 1 1 2 0 1 1 0 0 0 0 0 0 2 5 7 30 | 5 4 15 6 12 8 17 6 0 2 2 4 1 2 1 3 7 3 1 0 5 3 7 8 31 | 13 5 18 13 12 4 13 9 4 9 4 4 5 8 5 9 3 1 2 1 2 3 3 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 | 2 05 | 1 1 1 1 06 | 1 1 1 07 | 1 1 1 08 | 2 1 1 09 | 1 2 10 | 1 11 | 1 1 12 | 13 | 1 14 | 15 | 16 | 17 | 18 | 19 | 1 20 | 21 | 22 | 23 | 24 | 1 25 | 1 26 | 1 27 | 1 28 | 1 29 | 30 | 1 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: 92.8 MHz Transmitter Location: FM-broadcast at Kagoshima, Japan Antenna : 5el-Yagi Az90deg Receiver: R820T2-SDR+TCXO SDRRadio Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- 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 | 25 31 28 35 30 30 23%18 IF IF IF IF IF IF IF IF IF IF 4 14 19 22 5 6 02 | 8 6 6 5 8 5 3%16 IF IF IF IF IF IF IF IF 4 5 9 4 2 1 6 6 03 | 12 37 42 42 38 32 24%16 IF IF IF IF IF IF IF IF%31 %7 9 11 IF 9 10 9 04 | 22 26 42 47 50 49 60 26 IF IF IF IF IF IF IF IF 17 10 5 9 5 6 13 17 05 | 19 18 29 31 31 48 52 30 35 35 30 32 42 21 32 14 27 13 6 14 10 7 14 28 06 | 41 41 41 43 40 41 38 33 23 27 32 36%40 34 37 22 10 6 4 11 10 11 16 14 07 | 28 37 27 44 29 34 31 25 29 IF IF IF IF IF IF IF 17 9 7 15 11 2 6 8 08 | 13 25 61 55 49 47 47 52 31 32 32 21%30 IF IF IF 17 9 8 6 9 12 11 20 09 | 33 38 43 43 51 46 39 36 38 37%38 27 IF IF IF IF 12 15 7 7 6 9 17 30 10 | 36 45 59 51 50 39 44 34 24 15 20 24 32 27 30 22 16 9 8 3 9 10 10 29 11 | 25 30 35 43 37 37 22 29 23 27%34 28 39 41 40 26 16 16 4 9 6 5 11 23 12 | 39 54 54 63 45 46 29 22 24 30 34 48 47 43 49 37 8 9 8 7 10 5 14 16 13 | 25 42 52 46 51 44 30 22 38 33 34 38 56 56 39 22 18 16 5 12 9 15 9 24 14 | 25 38 37 45 49 30 31 38 30%30 IF IF IF IF IF%26 16 11 7 7 7 9 9 18 15 | 30%41 58 47 33 33 42 38 24 17 43 29 IF IF IF%24 16 13 9 6 6 13 15 24 16 | 32 52 59 63 46 33 23 30 38 23 27 IF IF IF IF%21 15 11 3 13%24 12 7 15 17 |%32 33 40 40 30 35 22 21 16 14 16 19 28 27 32%19 15 9 6 %8%11 11 14 20 18 | 24 26 40 39 29 28 11 17 14 11 11 18 17%18 5 6 6 3 1 5 5 6 6 8 19 | 6 11 6 5 8 7 9 7 3 0 5 3 7 12 9 %0 3 4 3 3 4 6 1 5 20 | 9 11 11 19 15 11 12 10 8 10 %5 7%16 IF %6 8 %6 4 3 2 6 2 4 6 21 | 3 7 20 11 12 14 13 7 2 9 %5 %0 IF %7 10 4 5 2 13%10 1 0 2 4 22 | 3 8 7 6 12 11 7 %3 IF IF IF IF IF IF %0 IF IF%11 9 IF 3 4 2 4 23 | 1 4 7 12 4 7 6 1 6 1 4 1 4 5 4 11 3 4 6 6 2 5 10 3 24 | 9 3 10 8 9 6 6 6 6 3 1 2 2 3 %0 3 2 2 1 0 1 3 2 1 25 | 3 2 5 11 13 6 5 9 2 7 1 4 1 %1 IF IF IF IF IF IF IF IF IF IF 26 | IF IF IF IF IF IF IF IF IF IF IF%32 41 40 40 36 21 14 6 20 11 6 20 26 27 | 37 52 57 52 58 34 30 IF IF IF IF IF IF IF IF IF IF %6 10 7 5 21 23 29 28 | 35 34 38 24 44 40 28 IF IF IF IF IF IF IF IF IF IF%18 9 16 23 18 25 30 29 | 37 53 63 64 49 34%29 IF IF IF IF IF IF IF IF IF IF%12 8 7 9%10%14 14 30 | 31 38 44 50 55 38 23 21 20 18 25 33 29 42 44 35 19 7 7 23%20 21 28 33 31 | 66 60 64 62 65 43 45 IF IF IF IF IF IF IF IF IF IF%20 11 9 11 8 9 23 ---+------------------------------------------------------------------------ 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 1 1 02 | 1 03 | 2 3 2 04 | 1 6 3 05 | 2 10 7 2 2 2 4 2 1 1 06 | 2 6 3 5 2 1 2 07 | 1 4 3 2 08 | 2 2 4 4 1 1 09 | 1 3 3 6 1 2 2 10 | 1 3 5 3 11 | 1 1 1 12 | 2 1 1 1 13 | 1 1 1 1 1 1 14 | 1 1 1 3 15 | 1 1 16 | 1 1 1 17 | 3 18 | 1 3 19 | 1 20 | 1 21 | 1 1 22 | 1 23 | 1 24 | 25 | 26 | 27 | 3 1 28 | 1 29 | 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 note: --: lost counts because of high noise level or machine failure. %: Hourly rate estimated by effective observation time less than 60 min. NS: something noise IF: Contamination due to radio noise or interference Es: Contamination due to sporadic E opening JST =UT + 9 h ----------------------------------------------------------------------------- Observer :Hirofumi Sugimoto Location : Hachioji, Tokyo, Japan (35.654 N, 139.319 E) Frequency: 53.755 MHz Transmitter Location: Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Antenna : HB9CV 2el. zenith(el.S-N) Receiver: AITEC MRX-50 Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- 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 9 6 5 7 11 16 13 12 13 11 4 1 1 2 2 4 1 0 6 4 6 8 02 | 8 5 9 9 11 7 13 16 11 14 11 5 8 2 4 4 0 1 3 2 2 0 3 6 03 | 2 6 4 8 8 6 14 15 17 13 17 8 2 3 1 0 0 2 1 0 1 1 6 11 04 | 9 13 9 13 16 13 14 18 17 19 18 9 1 4 0 1 1 0 0 3 5 3 3 2 05 | 8 5 10 8 9 10 18 22 21 19 11 7 4 1 1 3 1 1 0 2 4 1 1 7 06 | 3 10 9 8 7 10 21 24 11 20 11 8 4 3 3 3 1 1 1 4 2 4 8 1 07 | 5 10 7 7 7 8 12 22 18 17 11 10 6 2 2 3 2 2 2 3 4 7 4 4 08 | 7 10 7 10 10 14 25 24 16 16 16 12 5 0 0 1 1 6 0 2 4 4 6 7 09 | 6 12 13 13 12 15 16 24 19 20 12 6 5 8 3 5 1 3 3 4 1 4 4 5 10 | 9 6 6 8 17 13 21 24 22 20 14 14 3 8 2 5 0 0 1 1 5 1 6 5 11 | 10 8 4 11 9 12 24 14 16 11 16 6 2 3 2 1 0 0 0 0 3 4 6 4 12 | 6 7 10 2 9 9 11 13 14 13 11 4 1 3 2 1 1 2 2 0 5 6 5 6 13 | 7 2 4 8 5 6 8 8 17 13 13 3 1 0 2 1 3 1 1 2 2 4 4 7 14 | 5 5 3 9 8 12 12 7 10 16 8 6 4 1 1 0 0 2 3 0 2 5 6 6 15 | 8 8 7 14 10 10 11 17 22 12 9 6 2 4 3 2 2 2 2 2 4 5 9 10 16 | 8 10 6 6 7 14 16 13 13 15 7 9 5 3 1 3 2 1 2 3 6 4 4 7 17 | 3 7 8 7 3 7 13 16 12 14 9 6 2 1 1 1 2 0 0 2 3 3 5 6 18 | 5 12 9 7 6 15 12 22 13 10 15 9 1 1 2 3 3 1 1 3 0 4 1 2 19 | 5 10 7 10 9 10 9 12 11 11 4 2 3 3 2 3 2 0 2 2 1 3 9 9 20 | 13 5 11 12 9 5 10 14 8 19 6 3 1 1 1 0 0 2 0 0 5 4 7 4 21 | 5 9 3 5 8 7 8 13 10 14 3 8 -- -- -- 2 2 0 1 6 2 2 1 6 22 | 12 11 10 2 4 6 9 12 20 7 11 6 0 2 0 0 0 3 1 3 6 5 5 5 23 | 7 15 11 5 7 10 12 15 13 9 7 1 2 1 4 6 4 2 2 1 3 5 3 9 24 | 6 8 8 8 13 9 8 9 16 7 6 3 3 2 3 0 1 0 0 3 1 4 6 7 25 | 3 10 6 2 2 5 10 7 11 2 4 2 3 3 2 3 2 2 1 -- 4 5 4 7 26 | 10 5 6 3 4 10 4 9 14 10 6 2 1 1 0 1 0 2 2 2 2 5 7 6 27 | 5 6 5 9 1 5 10 11 9 13 6 3 2 1 1 1 3 1 2 1 1 2 4 5 28 | 5 9 8 3 8 4 10 4 7 10 1 4 1 4 0 2 5 3 2 0 2 4 6 4 29 | 8 7 10 6 9 6 11 16 14 6 8 5 3 2 6 1 0 2 3 2 1 4 6 5 30 | 8 6 5 5 7 6 1 10 17 5 2 3 1 1 1 3 1 4 8 8 2 2 8 8 31 | 7 10 6 8 3 6 15 8 11 12 7 2 2 4 7 6 2 6 7 5 3 3 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 | 1 1 02 | 03 | 1 1 1 1 04 | 2 1 1 1 05 | 1 1 1 1 06 | 1 1 1 07 | 1 1 1 08 | 3 1 1 1 09 | 2 3 1 1 10 | 1 1 1 2 11 | 1 12 | 1 13 | 1 1 1 14 | 1 15 | 1 16 | 1 17 | 18 | 19 | 20 | 1 21 | 1 22 | 1 23 | 1 24 | 1 1 25 | 1 26 | 27 | 28 | 1 29 | 30 | 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 | 7 9 12 12 9 17 17 18 11 2 8 1 4 4 8 4 0 1 1 1 4 4 11 9 02 | 6 11 8 14 8 15 16 21 23 9 9 5 5 5 3 4 4 5 5 3 6 4 4 8 03 | 11 8 12 16 16 18 22 23 12 17 14 5 5 12 3 7 1 0 1 2 2 7 10 19 04 | 13 10 7 11 19 21 19 37 18 23 11 8 7 9 7 4 1 3 1 2 4 7 10 13 05 | 9 8 11 11 17 24 34 25 24 27 6 5 5 10 9 8 0 1 2 4 4 10 20 5 06 | 14 5 13 16 18 25 31 27 18 25 8 10 11 10 15 3 1 4 1 2 5 9 13 16 07 | 10 8 14 16 13 28 23 30 22 21 20 12 14 7 10 4 10 2 3 2 6 9 13 12 08 | 13 11 10 9 15 24 28 22 27 21 15 10 10 10 8 4 3 2 1 4 4 4 10 11 09 | 16 12 12 6 19 22 29 31 15 11 13 10 12 11 7 10 2 0 4 3 3 6 12 19 10 | 14 12 13 8 12 27 21 29 15 14 10 5 7 7 8 1 4 3 2 6 9 6 8 12 11 | 9 7 8 15 11 25 19 35 26 13 9 5 5 5 3 2 2 3 4 1 5 9 10 10 12 | 18 18 12 12 14 21 30 24 14 10 10 5 11 8 8 8 7 4 3 0 3 11 7 9 13 | 7 13 11 10 13 21 27 33 19 13 6 17 14 13 8 4 5 1 1 6 8 5 8 17 14 | 14 8 13 22 19 24 23 22 20 20 12 7 6 12 7 3 4 5 3 6 5 8 7 8 15 | 8 8 12 9 16 19 26 27 23 21 7 5 4 9 4 5 7 5 2 4 9 12 5 8 16 | 13 10 15 14 22 23 23 21 28 10 11 10 7 8 11 7 4 1 2 1 7 8 7 9 17 | 10 8 12 11 14 15 25 15 17 24 10 5 8 7 13 9 4 3 5 3 1 5 16 13 18 | 11 20 7 8 20 24 27 25 16 15 11 13 4 6 3 3 3 4 4 5 10 10 11 17 19 | 9 11 7 9 19 22 21 17 23 11 10 5 3 6 5 9 5 8 3 1 4 7 17 13 20 | 15 12 10 13 16 17 21 23 12 15 10 8 5 9 8 5 8 4 1 5 4 6 9 24 21 | 15 11 15 14 18 19 23 20 19 9 9 11 3 8 4 4 1 5 2 2 2 6 7 11 22 | 10 9 12 16 15 18 15 17 15 9 9 10 8 18 8 7 9 0 2 1 7 7 14 12 23 | 12 16 13 17 14 18 21 19 11 9 5 5 4 8 5 4 2 0 4 0 4 7 15 18 24 | 16 13 7 10 10 26 25 15 18 11 6 7 10 7 9 6 4 3 6 3 2 7 6 20 25 | 14 15 13 15 21 22 25 13 11 10 6 1 4 9 7 6 6 3 0 6 3 4 8 12 26 | 13 10 15 15 11 24 21 30 23 8 10 5 10 9 16 10 1 5 1 2 8 13 12 16 27 | 15 16 12 17 15 30 21 26 12 10 10 6 4 3 6 7 6 5 1 2 4 6 11 15 28 | 14 7 13 7 17 16 20 13 9 11 5 3 6 11 9 6 3 4 4 4 4 6 12 14 29 | 18 17 13 11 15 23 24 16 17 12 8 5 9 12 9 11 2 7 6 4 7 3 6 20 30 | 11 9 8 17 14 20 21 16 15 4 5 6 4 6 7 8 5 1 1 2 6 9 13 11 31 | 17 19 16 17 22 26 27 18 18 12 6 5 7 17 21 20 16 14 7 7 6 11 14 12 ---+------------------------------------------------------------------------ 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 1 1 02 | 1 1 03 | 1 1 04 | 1 2 1 2 1 05 | 1 3 1 4 1 06 | 2 2 2 1 07 | 1 1 2 08 | 1 1 1 1 1 1 09 | 1 1 1 1 10 | 1 11 | 1 1 12 | 13 | 1 1 14 | 1 1 1 15 | 1 1 16 | 1 1 17 | 1 1 18 | 1 1 1 19 | 1 1 1 20 | 1 1 21 | 1 1 22 | 1 23 | 1 24 | 25 | 26 | 1 1 27 | 1 1 28 | 1 1 29 | 30 | 2 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: Hironbu Shida Location: Akita, Akita, Japan (140.1 E, 39.4 N) Frequency: 53.755 MHz Transmitter Location:@ Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Antenna : HB062FDX Receiver : AITEC MRX-50 Method : by using MROFFT software (by Michinari Yamamoto) manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- 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 | 1 | 1 | 2 | 4 | 1 | 2 | 2 | 0 |Apr 01 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 15 | 10 | 4 | 02 | 5 | 0 | 0 | 0 | 0 | 2 | 3 | 2 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 2 | 5 | 3 | 6 | 0 | 03 | 4 | 0 | 0 | 0 | 3 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 1 | 2 | 6 | 2 | 4 | 6 | 9 | 3 | 10 | 5 | 4 | 04 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 3 | 2 | 5 | 7 | 4 | 5 | 2 | 11 | 05 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 0 | 2 | 3 | 4 | 7 | 14 | 15 | 6 | 3 | 06 | 2 | 1 | 3 | 2 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 6 | 4 | 10 | 13 | 19 | 11 | 3 | 2 | 07 | 3 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 5 | 5 | 4 | 8 | 21 | 2 | 7 | 6 | 08 | 5 | 1 | 0 | 2 | 2 | 2 | 1 | 0 | 2 | 0 | 1 | 1 | 1 | 0 | 3 | 2 | 2 | 5 | 3 | 5 | 10 | 7 | 9 | 6 | 09 | 5 | 6 | 0 | 3 | 1 | 3 | 1 | 1 | 3 | 0 | 0 | 2 | 0 | 0 | 4 | 3 | 1 | 2 | 7 | 5 | 9 | 9 | 4 | 6 | 10 | 5 | 4 | 1 | 1 | 3 | 1 | 0 | 0 | 3 | 0 | 0 | 1 | 1 | 3 | 6 | 0 | 1 | 4 | 4 | 2 | 5 | 6 | 6 | 5 | 11 | 1 | 2 | 0 | 1 | 0 | 0 | 1 | 0 | 3 | 0 | 1 | 3 | 3 | 3 | 1 | 2 | 0 | 3 | 7 | 5 | 6 | 5 | 10 | 10 | 12 | 4 | 1 | 0 | 1 | 1 | 0 | 3 | 0 | 2 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 3 | 1 | 10 | 7 | 6 | 5 | 0 | 13 | 4 | 0 | 1 | 0 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 4 | 0 | 3 | 1 | 2 | 14 | 3 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 0 | 2 | 6 | 10 | 12 | 9 | 4 | 1 | 15 | 1 | 0 | 0 | 0 | 3 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 4 | 1 | 0 | 2 | 2 | 2 | 0 | 3 | 16 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 3 | 1 | 2 | 2 | 0 | 3 | 6 | 14 | 5 | 4 | 8 | 17 | 2 | 2 | 1 | 0 | 0 | 2 | 2 | 0 | 2 | 6 | 3 | 3 | 1 | 0 | 2 | 2 | 1 | 1 | 1 | 5 | 10 | 3 | 4 | 1 | 18 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 4 | 1 | 1 | 3 | 4 | 3 | 4 | 10 | 2 | 5 | 19 | 0 | 2 | 0 | 2 | 1 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 4 | 5 | 1 | 7 | 2 | 2 | 5 | 0 | 20 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 1 | 5 | 2 | 0 | 7 | 6 | 6 | 4 | 7 | 10 | 1 | 21 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 4 | 3 | 3 | 5 | 4 | 3 | 5 | 4 | 5 | 5 | 5 | 3 | 22 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 2 | 1 | 6 | 2 | 0 | 3 | 5 | 4 | 4 | 4 | 3 | 23 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 1 | 1 | 4 | 3 | 5 | 3 | 2 | 2 | 24 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 3 | 1 | 0 | 25 | 0 | 0 | 0 | 0 | ES | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 1 | 2 | 9 | 5 | 3 | 1 | 26 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 2 | 3 | 3 | 4 | 1 | 0 | 1 | 0 | 27 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | ES | ES | ES | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 4 | 3 | 1 | 1 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 8 | 2 | 6 | 0 | 29 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | 1 | 2 | 1 | 4 | 7 | 7 | 4 | 30 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 1 | 0 | 1 | 2 | 1 | 1 | 0 | 4 | 2 | 2 | 0 | 6 | 0 | 2 | 31 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 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 | 0 | 1 | 1 | 0 | 0 | 02 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 03 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 3 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 2 | 05 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 4 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 2 | 0 | 07 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 4 | 0 | 08 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 1 | 0 | 09 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 14 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 1 | 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 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 2 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | ES | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ES | ES | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 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 ----------------------------------------------------------------------------- Observer: Norihiro Nakamura Location: Tsukuba, Ibaraki, Japan (140.1 E, 36.0 N) Frequency: 53.755 MHz Transmitter Location:@ Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Antenna : Dipole Receiver : KENWOOD TH-F7 Method : by using MROFFT software (by Michinari Yamamoto) manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- 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 | 1 | 0 | 1 | 0 | 1 | 3 | 2 | 4 |Apr 01 |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 3 | 0 | 1 | 1 | 4 | 1 | 1 | 4 | 3 | 1 | 02 | 1 | 3 | 1 | 2 | 2 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 2 | 1 | 3 | 2 | 3 | 2 | 3 | 2 | 1 | 3 |??? | 5 | 03 | 7 | 9 | 2 | 1 | 3 | 3 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 2 |??? |??? |??? |??? |??? |??? |??? | 7 | 04 | 3 | 4 | 4 | 4 | 0 | 0 | 1 | 0 | 0 | 0 |??? |??? | 2 | 3 | 0 | 2 | 0 | 1 |??? |??? |??? |??? | 4 | 6 | 05 | 5 | 0 | 1 | 0 | 0 | 3 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 4 | 1 | 2 | 0 | 3 | 5 | 2 | 3 | 4 | 2 | 8 | 06 | 4 | 1 | 4 | 1 | 1 | 3 | 0 | 0 | 3 | 1 | 1 | 1 | 0 | 3 | 2 | 1 | 1 | 2 | 2 | 2 | 4 | 3 | 3 | 2 | 07 | 5 | 5 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 1 | 4 | 1 | 0 | 1 | 7 | 8 | 6 | 7 | 8 | 08 | 1 | 3 | 4 | 1 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 6 | 3 | 5 | 5 | 7 | 5 | 1 | 09 | 3 | 4 | 3 | 0 | 3 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 4 | 3 | 1 | 2 | 2 | 3 | 8 | 3 | 7 | 7 | 6 | 10 | 7 | 6 | 2 | 2 | 2 | 2 | 4 |??? |??? |??? |??? |??? |??? |??? | 3 | 1 | 0 | 3 | 2 | 0 | 1 | 3 | 2 | 6 | 11 | 1 | 2 | 3 | 2 | 2 | 1 | 2 | 2 | 1 | 0 | 1 | 0 | 2 | 3 | 2 | 4 | 8 | 4 | 1 | 2 | 6 | 6 | 2 | 3 | 12 | 2 | 4 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 6 | 3 | 1 | 0 | 1 | 1 | 13 | 1 | 1 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 14 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 0 | 6 | 3 | 4 | 2 | 2 | 3 | 0 | 3 | 1 | 1 | 15 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 1 | 4 | 0 | 2 | 2 | 1 | 1 | 2 | 1 | 1 | 2 | 3 | 1 | 16 | 1 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? | 2 | 2 | 2 | 1 | 2 | 1 | 1 | 2 | 17 | 0 | 1 | 1 | 2 | 1 | 2 | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 0 | 0 | 1 | 2 | 1 | 2 | 0 | 2 | 1 | 3 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 3 | 3 | 2 | 1 | 1 | 0 | 3 | 1 | 19 | 1 | 1 | 3 | 0 | 1 |??? |??? |??? |??? |??? |??? | 0 | 0 | 2 | 3 | 3 | 3 | 3 | 0 | 3 | 5 | 5 | 2 | 5 | 20 | 8 | 1 | 0 | 1 | 1 | 3 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 2 | 1 | 2 | 2 | 0 | 2 | 2 | 0 | 1 | 2 | 0 | 21 | 4 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 6 | 2 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 22 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 3 | 1 | 4 | 11 | 0 | 1 | 1 | 0 | 2 | 2 | 3 | 23 | 1 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |??? |??? |??? |??? | 4 | 2 |??? |??? |??? |??? |??? |??? | 8 | 24 | 5 | 1 | 2 | 2 | 1 | 3 | 9 | 1 | 1 | 1 | 3 | 2 | 1 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 25 |??? | 2 |??? | 1 | 0 | 4 | 5 | 0 | 0 | 0 | 3 | 0 | 1 | 1 | 0 | 3 | 0 | 3 | 2 | 3 | 3 | 2 | 2 | 5 | 26 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0 | 2 | 1 | 4 | 0 | 2 | 0 | 1 | 1 | 2 | 2 | 2 | 3 | 4 | 27 | 0 | 1 | 0 | 1 | 1 | 10 | 6 | 5 | 6 | 0 | 0 | 5 | 2 | 5 | 0 | 3 | 1 | 1 | 1 | 1 | 0 | 1 | 2 | 3 | 28 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 1 | 2 | 1 | 29 | 1 | 3 | 1 | 4 | 3 | 3 | 5 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 2 | 1 | 1 | 0 | 1 | 1 | 1 | 7 | 10 | 6 | 30 | 0 | 5 | 1 | 1 | 0 | 5 | 1 | 2 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 3 | 2 | 4 | 1 | 4 | 1 | 1 | 31 | 0 | 0 | 0 | 1 | 1 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 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 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |??? | 0 | 03 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? | 1 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? | 0 | 0 | 05 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 2 | 0 | 0 | 3 | 08 | 0 | 0 | 0 | 0 | 0 | 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 | 0 | 0 | 0 | 0 | 1 | 10 | 3 | 3 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 11 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 14 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 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 | 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 | 2 | 0 | 19 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 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 |??? |??? |??? |??? |??? |??? | 3 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 25 |??? | 0 |??? | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 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 | 7 | 2 | 3 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 29 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 30 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 31 | 0 | 0 | 0 | 1 | 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 JST =UT + 9 h ----------------------------------------------------------------------------- Observer : Hirotaka Otsuka Location : Hirakata, Osaka, Japan (135.7 E, 34.9 N) Frequency: 53.755 MHz Antenna : 2el-HB9CV, 4mH (90-270 Azimuth(East-West), 90elevation) Transmitter Location: Fukui Prefectural University at Eiheiji town (136.3 E, 36.1 N) HAM beacon (JH9YYA) for RMO (50 W CW, 53.755 MHz) No modulation except for identification Reciever: YAESU FT-690 Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- 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 | 1 | 0 |Apr 01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 03 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 05 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 10 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 12 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 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 | 1 | 1 | 0 | 0 | 0 | 1 | 2 | 0 | 21 | 1 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 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 | 1 | 0 | 0 | 30 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 31 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 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 | 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 | 1 | 0 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 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 | 1 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 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 ----------------------------------------------------------------------------- Observer : Hiroshi Ogawa Location : Tsukuba, Ibaraki, Japan (36.04 N, 140.05 E) Frequency: 89.4 MHz (Mode:CW,USB) Antenna : FA2 (2el.) horizon, dir: west Receiver: R820T2 & SDR + TCXO 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 15 | 11 | 9 | 18 | 11 | 8 | 12 | 6 | 5 |Apr 01 | 12 | 3 | 9 | 11 | 12 | 6 | 4 | 2 | 1 | 2 | 6 | 4 | 4 | 6 | 2 | 4 | 12 | 12 | 5 | 10 | 7 | 10 | 7 | 8 | 02 | 8 | 17 |??? | 9 | 8 | 4 | 8 | 8 | 8 | 3 | 4 | 7 | 8 | 5 | 9 | 10 | 12 | 15 | 19 | 18 | 14 | 14 | 17 | 13 | 03 | 22 | 10 | 17 | 17 | 16 | 9 | 6 | 8 | 7 | 5 | 4 | 7 | 4 | 7 | 10 | 9 | 7 | 13 | 11 | 14 | 14 | 12 | 14 | 17 | 04 | 16 | 17 | 19 | 12 | 9 | 8 | 9 | 6 | 6 | 4 | 4 | 5 | 5 | 8 | 9 | 13 | 11 | 15 | 14 | 17 | 12 | 16 | 15 | 11 | 05 | 10 | 9 | 17 | 15 | 19 | 13 | 8 | 6 | 4 | 1 | 5 | 10 | 8 | 14 | 15 | 7 | 10 | 21 | 20 | 23 | 24 | 26 | 15 | IF | 06 | 23 | 20 | 14 | 18 | 8 | 12 | 10 | 5 | 12 | 3 | 3 | 3 | 8 | 18 | 9 | 12 | 13 | 10 | 11 | 12 | 18 | 22 | 17 | 13 | 07 | 20 | 24 | 19 | 8 | 8 | 9 | 11 | 11 | 7 | 7 | 2 | 6 | 9 | 13 | 11 | 15 | 14 | 19 | 19 | 19 | 22 | 17 | 11 | 11 | 08 | 23 | 14 | 16 | 14 | 9 | 6 | 5 | 7 | 11 | 5 | 5 | 6 | 7 | 12 | 6 | 7 | 13 | 10 | 22 | 12 | 18 | 19 | 28 | 29 | 09 | 9 | 11 | 13 | 11 | 5 | 6 | 8 | 6 | 2 | 3 | 5 | 3 | 3 | 5 | 5 | 7 | 9 | 6 | 16 | 17 | 8 | 7 | 16 | 5 | 10 | 10 | 16 | 8 | 8 | 7 | 4 | 10 | 3 | 3 | 1 | 1 | 4 | 3 | 1 | 6 | 12 | 9 | 6 | 12 | 12 | 9 | 15 | 9 | 15 | 11 | 8 | 16 | 8 | 5 | 8 | 8 | 9 | 6 | 8 | 8 | 8 | 5 | 8 | 10 | 12 | 6 | 11 | 7 | 17 | 13 | 15 | 9 | 19 | 14 | 12 | 10 | 11 | 3 | 10 | 9 | 13 | 10 | 7 | 7 | 7 | 9 | 6 | 7 | 7 | 7 | 11 | 13 | 10 | 13 | 15 | 11 | 8 | 4 | 5 | 13 | 7 | 7 | 7 | 6 | 6 | 3 | 4 | 4 | 5 | 2 | 4 | 9 | 3 | 10 | 13 | 9 | 10 | 7 | 14 | 18 | 13 | 8 | 11 | 9 | 14 | 8 | 8 | 10 | 6 | 9 | 9 | 11 | 7 | 9 | 6 | 2 | 2 | 5 | 10 | 10 | 6 | 13 | 8 | 10 | 13 | 10 | 14 | 10 | 6 | 15 | 7 | 12 | 8 | 12 | 9 | 7 | 7 | 7 | 8 | 5 | 10 | 7 | 9 | 7 | 7 | 8 | 16 | 13 | 9 | 8 | 11 | 4 | 6 | 5 | 16 | 3 | 6 | 8 | 7 | 3 | 4 | 6 | 2 | 1 | 2 | 2 | 1 | 4 | 6 | 5 | 11 | 9 | 16 | 14 | 13 | 19 | 12 | 5 | 8 | 17 | 8 | 9 | 6 | 4 | 7 | 10 | 7 | 5 | ES | 3 | 4 | 8 | 5 | 6 | 10 | 12 | 11 | 7 | 14 | 12 | 10 | 5 | 7 | 5 | 18 | 10 | 7 | 7 | 6 | 1 | IF | 8 | 3 | IF | 8 | 4 | 9 | 7 | 6 | 8 | 6 | 8 | 9 | 13 | 13 | 6 | 8 | 11 | 4 | 19 | 6 | 7 | 11 | 10 | 11 | 11 | 9 | 5 | 14 | 6 | 8 | 5 | 8 | 11 | 11 | 9 | 9 | 6 | 16 | 15 | 9 | 16 | 8 | 5 | 20 | 8 | 8 | 10 | 6 | 7 | 6 | 7 | 3 | 7 | 9 | 2 | 8 | 15 | 9 | 10 | 6 | 15 | 15 | 17 | 17 | 11 | 12 | 9 | 6 | 21 | 5 | 9 | 6 | IF | 6 | 10 | 10 | 6 | 6 | 6 | 7 | 6 | 4 | 19 | 4 | 8 | 11 | 8 | 2 | 9 | 5 | 11 | 9 | 8 | 22 | 5 | 9 | 2 | 6 | 8 | 5 | 3 | 4 | 2 | NS | 9 | 8 | 2 | 8 | 11 | 10 | 6 | 15 | IF | 8 | 18 | 14 | 6 | 6 | 23 | 4 | 6 | 3 | 5 | 4 | 4 | 2 | 3 | 2 | 7 | 5 | 5 | 15 | 13 | 13 | 12 | 11 | 14 | 12 | 17 | 19 | 10 | 9 | 12 | 24 | 4 | 8 | 9 | 9 | 7 | 4 | 5 | 3 | 9 | 4 | 12 | 5 | 2 | 6 | 6 | 10 | 7 | 14 | 19 | 19 | 19 | 9 | 9 | 6 | 25 | 12 | 8 | 5 | 6 | 4 | NS | IF | 13 | 8 | 5 | 3 | 9 | 5 | 11 | 9 | 15 | 12 | 8 | 13 | 15 | 16 | 10 | 8 | 8 | 26 | 7 | 11 | 5 | 1 | 8 | 4 | 7 | 6 | 7 | 9 | 3 | 9 | 8 | 9 | 11 | 11 | 8 | 18 | 14 | 19 | 16 | 11 | 13 | 12 | 27 | 6 | 4 | 4 | 3 | 2 | 4 | 7 | 9 | 16 | 6 | 6 | 4 | 3 | 5 | 11 | 6 | 9 | 8 | 9 | 10 | 13 | 6 | 5 | 5 | 28 | 8 | 3 | 5 | 3 | 10 | 4 | 4 | 10 | 6 | 2 | 5 | 3 | 4 | 6 | 8 | 8 | 11 | 12 | 11 | 19 | 12 | 6 | 5 | 8 | 29 | 5 | 5 | 7 | 11 | 7 | 11 | 4 | 1 | 4 | 7 | 4 | 3 | 2 | 8 | 6 | 6 | 10 | 13 | 13 | 16 | 4 | 4 | 10 | 7 | 30 | 5 | 5 | 5 | 6 | 5 | 7 | 3 | 3 | 6 | 7 | 5 | 3 | 7 | 3 | 3 | 9 | 4 | 9 | 18 | 11 | 9 | 11 | 3 | 4 | 31 | 9 | 6 | 3 | 6 | 8 | 10 | 14 | 8 | 6 | 9 | 3 | 6 | 3 | 3 | 7 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 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 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 03 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 04 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | IF | 06 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 07 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 3 | 1 | 1 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 09 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 14 | 1 | 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 | 1 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 17 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | ES | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | IF | 0 | 0 | IF | 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 | 1 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | IF | 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 | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | IF | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | NS | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 Frequency: 92.5 MHz (Mode:CW,USB) Antenna : AF-4 (4el.) horizon, dir: west Receiver: R820T2 & SDR + TCXO 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 |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? |??? | 19 | 24 | 33 | 29 | 31 | 30 | 18 | 15 | 16 |Apr 01 | IF | 17 | 16 | 16 | 17 | 16 | 15 | 8 | 3 | 5 | 9 | 7 | 11 | 14 | 16 | 18 | 29 | 28 | 23 | 20 | 23 | 24 | 14 | 14 | 02 | 10 | 15 |??? | IF | 11 | 5 | 6 | 7 | 6 | 3 | 5 | 8 | 10 | 17 | 21 | 25 | 27 | 28 | 36 | 30 | 26 | 17 | 23 | 24 | 03 | 31 | 22 | 20 | 26 | 18 | 14 | 11 | 8 | 7 | 4 | 3 | 3 | 3 | 13 | 18 | 18 | 19 | 20 | 23 | 30 | 20 | 24 | 17 | 25 | 04 | 24 | 34 | 34 | 27 | 24 | 14 | 10 | 11 | 6 | 4 | 5 | 8 | 8 | 13 | 19 | 30 | 25 | 27 | 30 | 33 | 25 | 22 | 25 | 24 | 05 | 38 | 33 | 40 | 39 | 19 | 17 | 10 | 10 | 5 | 4 | 7 | 6 | 7 | 15 | 21 | 21 | 27 | 37 | 38 | 38 | 30 | 36 | 33 | 28 | 06 | 36 | 39 | 35 | 30 | 27 | 16 | 9 | 7 | 10 | 4 | 2 | 3 | 13 | 16 | 13 | 19 | 19 | 20 | 20 | 26 | 31 | 33 | 28 | 34 | 07 | 31 | 48 | 31 | 20 | 18 | 13 | 14 | 14 | 8 | 6 | 1 | 8 | 12 | 17 | 16 | 22 | 20 | 29 | 27 | 33 | 39 | 25 | 20 | 25 | 08 | 40 | 33 | 26 | 14 | 14 | 6 | 15 | 10 | 16 | 5 | 6 | 4 | 10 | 12 | 17 | 15 | 35 | 16 | 31 | 28 | 31 | 25 | 21 | 24 | 09 | 21 | 27 | 21 | 27 | 15 | 12 | 10 | 8 | 6 | 6 | 7 | 8 | 15 | 11 | 18 | 22 | 28 | 24 | 31 | 33 | 20 | 23 | 20 | 16 | 10 | 24 | 24 | 30 | 28 | 18 | 15 | 16 | 9 | 4 | 2 | 2 | 5 | 10 | 4 | 11 | 25 | 27 | 27 | 21 | 17 | 23 | 20 | 20 | 18 | 11 | 14 | 19 | 11 | 15 | 15 | 7 | 12 | 12 | 7 | 6 | 7 | 5 | 10 | 11 | 18 | 14 | 24 | 22 | 29 | 23 | 21 | 17 | 26 | 17 | 12 | 24 | 23 | 19 | 20 | 17 | 15 | 14 | 11 | 3 | 6 | 8 | 4 | 6 | 11 | 11 | 13 | 21 | 20 | 25 | 26 | 24 | 20 | 19 | 28 | 13 | 18 | 30 | 26 | 29 | 21 | 21 | 12 | 8 | 8 | 4 | 6 | 11 | 10 | 22 | 18 | 26 | 23 | 17 | 27 | 26 | 28 | 16 | 40 | 18 | 14 | 19 | 18 | 31 | 21 | 19 | 11 | 15 | 8 | 9 | 8 | 5 | 5 | 9 | 14 | 16 | 20 | 28 | 19 | 23 | 31 | 24 | 21 | 25 | 14 | 15 | 11 | 19 | 15 | 20 | 17 | 12 | 12 | 7 | 3 | 9 | 6 | NS | NS | 12 | 22 | 26 | 29 | 19 | 27 | 27 | 17 | 24 | 21 | 19 | 16 | 7 | 23 | 16 | 19 | 14 | 20 | 16 | 6 | 8 | 3 | 11 | 6 | NS | 14 | 14 | 28 | 34 | 29 | 28 | 28 | 27 | 12 | 23 | 12 | 17 | 20 | 18 | 10 | 15 | 13 | 17 | IF | 14 | 5 | 8 | 4 | NS | NS | 15 | 15 | 29 | 32 | 24 | 29 | 30 | 21 | 10 | 14 | 13 | 18 | 20 | 10 | 19 | 19 | 7 | 5 | 11 | 5 | IF | 10 | 5 | 11 | NS | 11 | 14 | 16 | 25 | 29 | 23 | 24 | 22 | 15 | 14 | 13 | 19 | 12 | 13 | 7 | 8 | 6 | 4 | 0 | 0 | 0 | 0 | 0 | 5 | 10 | 15 | 23 | 25 | 30 | 19 | 30 | 25 | 20 | 19 | 14 | 13 | 20 | 20 | 11 | 11 | IF | IF | IF | IF | IF | 8 | 6 | 3 | 6 | 17 | 12 | 17 | 16 | 31 | 33 | 28 | 29 | 22 | 19 | 17 | 16 | 21 | 13 | 16 | 14 | 14 | 16 | 17 | 15 | 12 | 5 | 5 | 5 | 12 | 9 | 14 | 16 | 29 | 25 | 22 | 17 | 21 | 23 | 21 | 27 | 15 | 22 | 9 | 17 | 10 | 18 | 16 | 15 | 10 | 8 | IF | 4 | 6 | 7 | NS | 19 | 24 | 21 | 21 | 30 | 21 | 20 | 30 | 18 | 6 | 14 | 23 | 10 | 16 | 10 | 13 | 11 | 6 | 6 | 11 | 7 | 11 | 7 | NS | NS | NS | 30 | 25 | 28 | 29 | 29 | 33 | 24 | 12 | 12 | 11 | 24 | 16 | 10 | 18 | 10 | 11 | 6 | 10 | 8 | 9 | 5 | 9 | 7 | 3 | 8 | 16 | 25 | 27 | 26 | 32 | 32 | 26 | 15 | 17 | 20 | 25 | 24 | 11 | 12 | 12 | IF | IF | IF | 15 | 9 | 5 | 6 | 10 | 9 | 14 | 15 | 22 | 17 | 17 | 23 | 28 | 27 | 16 | 17 | 12 | 26 | 12 | 18 | 8 | 14 | 15 | 17 | 10 | 7 | IF | 9 | 6 | 9 | 9 | 21 | 24 | 31 | 22 | 25 | 33 | 29 | 24 | 19 | 21 | 18 | 27 | 9 | 9 | 17 | 10 | 7 | 6 | 14 | 10 | 15 | 7 | 12 | 5 | 13 | 15 | 29 | 22 | 32 | 33 | 29 | 25 | 29 | 26 | 24 | 12 | 28 | 16 | 15 | 17 | 11 | 19 | 14 | 12 | 17 | 12 | 5 | 8 | 8 | 9 | 14 | 21 | 22 | 25 | 26 | 32 | 31 | 29 | 26 | 20 | 17 | 29 | 12 | 21 | 14 | 16 | 11 | 14 | 8 | 9 | 7 | 7 | 9 | NS | NS | NS | NS | 22 | 24 | 34 | 35 | 36 | 23 | 19 | 12 | 14 | 30 | 15 | 13 | 15 | 14 | 14 | 17 | 14 | 13 | 11 | 11 | 10 | 9 | 19 | 15 | 14 | 26 | 19 | 29 | 38 | 32 | 27 | 27 | 16 | 18 | 31 | 12 | 15 | 14 | 13 | 20 | 19 | 35 | 15 | 7 | 10 | 7 | 13 | 14 | 10 | 18 |??? |??? |??? |??? |??? |??? |??? |??? |??? | ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ 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 | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 02 | 0 | 0 |??? | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 03 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 1 | 2 | 04 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 1 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 06 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 1 | 07 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 3 | 1 | 1 | 0 | 08 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 09 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 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 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 14 | 1 | 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 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 17 | 2 | 0 | 1 | 0 | 0 | 0 | IF | 0 | 0 | 0 | 0 | NS | NS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | IF | 0 | 0 | 0 | NS | 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 | 1 | 0 | 0 | 20 | 1 | 0 | 0 | IF | IF | IF | IF | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 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 | IF | 0 | 0 | 0 | NS | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NS | NS | NS | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 1 | 0 | 0 | 0 | IF | IF | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | IF | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 28 | 0 | 0 | 1 | 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 | NS | NS | NS | NS | 0 | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 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 JST =UT + 9 h ----------------------------------------------------------------------------- About the RMOJ... RMOJ reports the results of radio meteor observation in Japan, sent to myself. Every month, this bulletin is sent to Mr.Christian Steyaert, who publishes RMOB, which is a world-wide bulletin. I hope RMOJ will be helpful to radio observers, as well as all meteor observers. Hiroshi Ogawa 2022.06.06