Radio Meteor Observation in Japan No.019 May, 2003 ( http://homepage2.nifty.com/~baron/ ) ----------------------------------------------------------------------------- Observer : Kenji Fujito Location : Yokkaichi, Mie, Japan Frequency: 53.750 MHz Transmitter Location: Fukui-NCT at Sabae city (136.2 E, 35.9 N) HAM beacon (JA9YDB) for RMO (50 W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Observing method: HROFFT software(by K.Okawa) Antenna : 2el. Comet HB9CV, zenith Receiver: ITEC HRO-RX1a Counting method: manual count -- 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 01| 6 16 19 17 17 20 27 26 17 7 6 3 3 2 5 3 5 1 1 2 2 5 14 13 02|17 25 18 14 25 17 27 27 17 14 10 7 17 16 18 8 7 3 NS NS 5 18 16 22 03|16 12%17 16 18 26 26 21 21%15 8 8 10 18 14 10 3 0 2 2 6 9 11 24 04|26 18%20 %8 22 17 35 35 30 NS 14 9 10 15 16 8 6 1 3 1 5 8 9 8 05| 7 19 21%12 22 25 32 24 25 15 %6 %7 9 13%15 NS NS %2 %4 1 4 5 10 15 06|10 6 10 17 18 24 19 10 12 18 13 6 6 12 14 1 7 %5 1 2 4 6 6 12 07|10 10 24 21 27 17 29 19 15 15 17 11 21 10 9 4 4 5 1 0 6 11 8 22 08|18 23 10 26 18 31 33 37 31 21 10 18 13 12 10 4 3 2 2 1 3 2 9 9 09| 6 6 8 11 10 14 13 16 19 14 0 5 6 8 4 10 1 2 4 2 3 8 10 13 10|11 16 15 15 11 16 16 16 17 12 6 4 2 11 9 8 1 3 7 8 3 11 4 6 11| 6 11 5 13 13 15 20 21 17 12 4 7 11 7 4 3 1 3 3 3 2 3 4 11 12|12 15 20 16 19 28 21 32 18 12 5 9 4 5 12 3 1 %5 %0 3 5 9 10 11 13|13 10 6 11 15 19 17 25 9 12 5 7 6 11 19 6 3 5 3 2 5 7 10 22 14|10 8 10 9 16 11 25 12 18 8 4 7 7 5 8 5 2 4 2 0 2 4 5 10 15| 8 %6 16 15 9 11 27 19 10 6 2 1 15 4 12 7 %6 NS NS %3 5 7 8 6 16|14 6 6 10 9 13 12 14 15 13 3 3 3 10 6 7 3 2 3 3 4 7 7 14 17|12 10 9 14 16 22 21 17 12 20 5 7 8 13 7 %5 %1 0 5 6 7 4 3 9 18|10 10 13 7 12 10 20 18 13 12 3 3 1 5 2 %2 %2 NS %4 %3 5 8 5 7 19|10 14 11 7 8 20 29 12 15 10 7 7 8 11 6 8 5 2 2 4 8 5 12 9 20|12 12 13 10 15 12 19 14 7 7 3 3 3 7 6 2 3 3 4 4 0 7 5 6 21|17 11 9 16 9 16 18 16 8 8 4 0 4 5 5 6 8 3 2 2 2 9 5 11 22|18 4 11 9 12 22 19 20 18 8 1 7 7 3 11 10 4 0 3 4 6 13 15 13 23| 8 21 15 15 6 14 15 16 9 7 5 6 5 8 7 6 6 2 3 4 6 8 17 16 24|21 14 12 14 15 9 15 18 8 9 7 7 5 10 14 7 2 2 3 2 3 6 11 14 25|16 8 14 14 10 16 20 11 5 10 3 7 5 1 3 4 3 1 0 1 1 1 8 13 26|13 14 12 13 15 7 8 14 7 6 7 3 3 6 13 5 3 3 5 1 3 6 9 5 27| 7 16 19 13 9 10 11 22 12 5 3 2 7 5 9 4 3 5 2 2 7 7 9 16 28| 9 10 9 6 9 18 17 16 5 5 3 11 4 8 9 4 4 3 4 0 3 9 9 10 29|12 12 11 9 13 9 15 19 11 7 4 6 10 10 14 9 NS 0 6 NS 2 6 17 10 30|15 12 16 11 10 24 14 22 15 7 -- -- -- 10 11 2 7 7 5 4 6 8 11 14 31|16 17 7 9 16 13 22 23 14 7 9 6 9 8 7 8 2 2 1 2 4 9 14 18 ---+----------------------------------------------------------------------- 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 01| 1 02| 1 03| 1 04| 1 05| 1 2 1 06| 2 07| 1 3 1 08| 1 1 1 3 1 09| 2 10| 1 1 1 11| 1 1 12| 1 13| 1 1 14| 1 15| 1 16| 1 17| 1 18| 1 19| 20| 21| 22| 1 23| 1 24| 1 25| 1 26| 1 27| 1 28| 1 1 29| 30| 2 1 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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 : Naoki Moriwaki Location : Kure, Hiroshima, Japan (34.2, 132.5E) Frequency: 53.750 MHz Transmitter Location: Fukui-NCT at Sabae city (136.2 E, 35.9 N) HAM beacon (JA9YDB) for RMO (50 W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Antenna : original loop Receiver: ICOM IC-736 Observing method: HROFFT software(by K.Okawa) Counting method: manual count Total number of echoes 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 01|11 8 12 19 6 11 20 24 %1 IF IF IF IF IF IF IF IF IF IF IF IF %8 2 3 02| 6 12 11 13 12 19 25 18 %2 IF IF IF IF IF IF IF IF IF IF %2 4 10 9 9 03|13 7 9 13 10 17 23 22 34%21 ES %8 IF IF IF IF IF IF IF %8 IF %8 9 7 04|15 10 11 12 13 25 19 20 12%12 8 3 1 3 IF IF IF IF ES ES %8 5 8 10 05| 5 12 %3 %6 15 12 17 19 18 5 7 1 3 0 IF IF IF IF IF IF 8 7 6 6 06| 8 5 9 13 17 18 20 18 12 15 6 IF IF 11 4 4 IF IF IF IF 5 7 5 14 07| 7 5 8 8 17 18 18 19 14 14 6 3 3 2 7 3 3 5 1 4 0 7 4 8 08|10 9 9 8 10 12 19 18 19 6 3 5 1 0 4 NS NS NS NS NS %2 0 1 0 09| 0 1 2 0 0 1 2 7%22 17 5 1 0 2 0 0 0 2 0 1 1 0 6 13 10|14 14 22 12 19 31 20 8 %2 0 1 0 0 1 2 ES ES ES ES ES %2 10 IF 9 11|11 9 11 6 10 25 32 30 22 14 8 2 2 7 10 4%10 IF ES ES 4 12 9 3 12| 6 5 15 14 20 20 14 20 15 23 10 6 4 5 7 %1 3 1 3 8 10 6 10 11 13|10 7 8 12 10 10 29 18 13 9 7 4 0 1 1 2 0 2 2 NS ES 6 6 10 14| 6 4 6 12 15 12 18 20 19 10 2 %1 6 7 3 9 1 3 1 IF 6 8 18 20 15| 7 8 14 10 9 11 17 18 20 20 15 %6 10 4 6 4 2 3 4 IF %8 5 8 15 16|14 4 9 11 5 9 7 11 17 4 %4 ES ES 5 %8 6 4 1 %2 ES 2 2 11 3 17| 6 11 13 12 17 10 12 17 9 11 3 1 %0 0 5 3 1 1 4 2 6 11 8 11 18|11 7 10 11 15 11 11 10 13 8 6 0 5 4 5 %4 IF IF IF IF 6 9 15 11 19|11 13 12 8 7 10 23 22 18 9 9 ES %2 0 2 0 0 ES ES ES ES 8 11 13 20|11 9 9 7 6 14 21 12 16 %4 ES ES ES 2 2 3 0 0 1 3 2 8 14 17 21|13 10 5 9 12 11 5 7 14 9 %6 ES %0 ES 4 0 0 0 1 2 11 4 5 12 22| 7 6 6 8 17 11 14 13 8%18 ES 2 4 4 %6 ES ES ES ES ES ES 7 12 12 23|17 12 8 8 14 14 15 14 9 6 1 %0 NS NS NS NS NS NS NS NS %6 8 11 10 24|11 8 5 10 17 20 14 12 23 ES ES ES ES 2 5%18 %4 ES ES NS 9 6%10 %8 25| 5 7 6 5 11 10 18 11 18 8 1 6 0 4 4 4 8 0 3 0 3 5 8 10 26|12 17 10 6 12 13 12 17 15 3 1 4 2 1 8 10 2 1 2 2 5 7 3 13 27| 6 2 3 %0 3 7 9 11 4 6 0 4 4 4 2 6 1 2 4 3 5 10 4 18 28| 7 6 2 7 7 15 13 17 8 5 2 1 2 1 6 6 1 0 1 0 4 0 4 5 29| 5 1 4 3 2 5 6 3 %0 ES ES ES NS NS NS NS NS NS NS IF 1 8 12 8 30| 6 4 10 8 14 20 17 13 9 4 0 IF IF IF IF IF 0 ES ES IF IF 13 8 10 31| 9 11 6 5 16 12 11 22 15 19 6%11 ES 7 11 5 1 8 IF IF%11 4 13 9 ---+----------------------------------------------------------------------- May|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 01| 1 02| 1 03| 1 1 1 04| 1 1 1 05| 1 1 06| 1 1 3 1 07| 2 08| 1 1 1 1 09| 1 10| 1 1 2 11| 1 2 1 12| 1 2 2 13| 1 1 1 1 14| 1 15| 16| 1 1 17| 18| 1 19| 1 20| 21| 1 22| 23| 24| 25| 1 26| 1 1 1 27| 1 28| 29| 30| 1 1 31| 1 1 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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 : Toshihide Miyake Location : Tamano, Okayama, Japan (133.894 E, 34.492 N) Frequency: 53.750MHz Transmitter Location:Fukui-NCT at Sabae, Japan (136.2 E, 35.9 N) Ham beacon (JA9YDB) for RMO (50W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Antenna : 2el. Loop Receiver : ICOM IC-R75 Method : by using HROFFT software (by Mr.Kazuhiko Ohkawa), manual count 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 15|-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 14 24 16|23 11 6 10 15 23 33 NS NS NS NS NS NS NS NS NS NS NS NS NS 6%13 21 17 17|18 16 15 18 16 25 25 22 25 NS%12 NS NS NS NS NS NS NS %2 %6 4 16 16 19 18|11 15 9 11 26 17 34 34%22 11 NS NS NS%12 NS NS NS NS%16 %8 10 13 18 18 19|11 21 15 14 15 35 22 28 16 16%11 %9 %4%20 NS NS NS NS NS 4 3%11 15 23 20| 9 8 16 6 32 24 35 25%21 12 %7%19 %5 NS NS NS NS %4 NS %8 16 9 20 15 21|18 20 21 16 23 13 33 21 NS NS NS NS NS NS NS NS NS %5 4 6 13 16 15 18 22|15 13 20 16 29 20 29 27 21%16%14 NS NS NS NS NS NS NS ES %8 %5 13 13 18 23|16 17 17 17 18 18 24 22 15%18 NS NS NS NS NS NS NS NS %9 5 13 7 16 17 24|16 6 9 15 16 21%25 22%11 NS%13%13 NS%12 13 7 5 5 %7 %8 9 14 11 23 25|18 17 17 11 13 15 18 28%12%11 8 10 %9 8 2 12 7 %6 %4 7 10 11 24 16 26|16 21 17%23 20 16 27 31 14 15 15 6 6 13%17 8 %5 %4 %7 %2 8 14 19 13 27|23 13 14 22 19 29 26%31%16%16 %9%11 NS NS%11 %2 %5 %8 10 7 6 23 15 13 28|18 14 15 11 20 28 27 30%13 %8 %5 %5 %4 NS NS %9%13 %8 4 5 8 15 16 18 29|13 12 5 16 18 21 30%23%25 NS NS NS NS NS NS NS NS%10 11 %9 4 15 16 19 30|14 16 25 17 18 20 20%24 NS%16%11 %9 %4 %5 12 %7 16 4 6 4 10 17 21 17 31|19 13 13 14 22 27 16 19 16%15 %6 %5 7 10 11 9 8 8 %3 7 9 13 14 17 ---+----------------------------------------------------------------------- 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 15| 16| 1 17| 18| 1 1 19| 20| 1 21| 1 22| 1 23| 24| 1 25| 1 26| 1 1 27| 28| 1 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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 : Masami Aihara Location : Yokohama, Kanagawa, Japan (139.69 E, 35.50 N) Frequency: 53.750MHz Transmitter Location:Fukui-NCT at Sabae, Japan (136.2 E, 35.9 N) Ham beacon (JA9YDB) for RMO (50W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Antenna : COMET CA-52HB 2el. Receiver : ITEC HRO-RX1a Method : by using HROFFT software (by Mr.Kazuhiko Ohkawa), manual count 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 01|17 18 23 24 35%32 NS NS NS NS NS NS NS NS NS NS NS NS NS NS 5 15 24 23 02|29 48 50 44 47 54 37 NS 39 38 18 NS NS 25 19 7 5 4 6 8 10 27 24 30 03|44 48 45 63 42 48 51 42 46 NS NS NS NS NS NS NS NS 4 2 %4 13 17 29 48 04|40 48 46 48 59 53 33 54 39 38 38%38 NS 23 20 7 9 10 11 12 15 24 34 44 05|46 36 38 44 50 52 54 57 51 56 38 24 18 16 IF IF IF IF IF 2 15 14 20%35 06|25 42 34 35 54 52 43 50 62 53 55 31 15 17 24 13 11 4 5 2 9 14 22 23 07|36 31 29 46 34 46 57 46 68 44 31 36 36 34 21 14 9 NS %2 %6 %6 18 16 27 08|25 26 44 47 50 50 46 67 57 54 43 46 25 42 31 18 11 1 8 9 11 27 24 14 09|34 49 45 62 44 50 76 54 46 53 36 29 NS NS NS NS NS NS NS NS 18 15 18 27 10|26 37 42 48 43 53 48 63 47 29 NS NS NS NS NS NS NS NS NS ES ES%23 23 14 11|-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 12|34 53 56 62 63 75 74 75 71 71 57 44 38 33 27 26 14 11 4 7 17 19 30 27 13|35 49 41 44 35 39 35 50 37 39 39 49 26 42 28 23 14 6 6 15 12 22 22 28 14|37 49 33 41 52 42 25 56 53 56 34 41 36 31 32 22 13 6 4 11 11 24 21 36 15|54 34 47 60 66 63 53 50 55 54 31 31 33 29 36 26 23 11 %5 IF 12 17 30 39 16|41 42 52 47 36 22 36 55 49 49 29 35 28 36 27 15 12 6 3 13 7 24 24%16 17|25 37 43 55 48 32 43 60 62 53 30 26 33 35 21%17%10 10 11 18 12 16 21 16 18|33 50 49 58 44 29 57 47 67 62 38 35 23 25 20 IF IF IF IF %8 12 20 25 28 19|49 66 48 54 59 41 38 49 51 29 32 41 31 31 17 10 14 8 3 7 13 29 26 47 20|58 72 70 50 54 68 56 60 49 16 19 17 19 27 28 22 3 3 6 6 10 13 23 35 21|27 64 69 50 38 45 57 48 48 44 32 21 19 19 19 18 12 4 5 8 9 31 33 40 22|34 52 58 45 45 46 49 50 51 42 21 18 14%22%13 13 5 3 3 7 11 17 28 38 23|28 38 37 27 42 34 40 59%39%28 8 15 12 30 20 16 10 7 3 7 6 12 21 33 24|-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 25|25 41 37 33 33 31 34 23 25 34 23 21 28 27 18 14 10 5 5 9 13 14 24 38 26|49 33 41 27 35 34 41 50 42 23 25 20 18 26 15 20 15 9 3 9 6 15 27 31 27|35 44 43 26 37 24 35 25 18 32 32 22 17 17 18 16 6 1 8 11 14 24 24 28 28|39 45 51 42 44 52 42 48 40 17 7 9 17 16 18 9 11 7 6 IF 16 28 35 29 29|50 34 35 31 27 25 26 22 18 19 11 14 13 16 19 13 IF IF IF IF 7 18 23 27 30|38 42 34 29 36 41 31 31 55 30 28 15 9 NS%12 14 13 1 4 12 12 21 37 37 31|25 53 47 41 59 49 49 68 35 33 18 14 9 22 21 10 -- -- -- -- -- -- -- -- ---+----------------------------------------------------------------------- May|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 01| 1 1 02| 1 1 03| 1 1 2 04| 1 3 1 1 05| 1 4 2 2 06| 1 3 07| 1 1 08| 1 1 1 1 1 1 2 09| 1 1 1 10| 1 2 1 1 11| 12| 2 1 3 2 1 1 2 1 1 13| 14| 1 2 2 1 15| 1 2 1 3 1 1 1 16| 1 1 17| 3 2 1 1 1 18| 2 1 1 1 1 2 1 19| 1 1 2 1 1 20| 1 1 1 1 1 1 1 1 21| 1 1 1 1 1 1 22| 2 1 23| 1 24| 25| 1 1 1 1 26| 1 1 27| 2 28| 1 1 1 1 1 29| 1 1 1 1 1 30| 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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 : Kazuyuki Nagao Location : Aomori, Aomori, Japan (40.9N, 140.9E) Frequency: 53.750 MHz Transmitter Location: Fukui-NCT at Sabae city (136.2 E, 35.9 N) HAM beacon (JA9YDB) for RMO (50 W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Antenna : HB9CV Receiver: ICOM IC-726 Observing method: HROFFT software(by K.Okawa) Counting method: manual count Total number of echoes -- 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 01|28 21 21 29 28 34 50 48 44 30 18 18 11 11 5 11 2 7 4 3 5 7 25 17 02|26 23 75 26 29 28 43 31 31 28 21 16 18 12 8 3 6 -- -- -- -- -- -- -- 03%29 21 28 16 36 25 37 40 29 25 25 13 9 5 0 1 1 1 NS NS 8 5 19%18 04|21 19 16 22 28 37 43 43 27 26 18 16 4 6 6 4 3 1 6 5 8 5 19 22 05|20 23 26 24 30 34 41 46 38 28 20 14 15 8 5 NS 2 1 5 5 15 18 18 15 06|20 15 18 36 35 38 36 50 33 33 28 15 12 10 11 4 5 1 2 4 13 13 14 23 07|26 18 22 29 55 59 56 53 52 25 16 15 15 9 6 6 1 2 7 7 8 23 20 19 08|19 25 15 30 39 49 40 46 38 38 12 14 11 8 7 5 5 1 3 5 12%20 19%24 09|20 20 20 31150 47 46 38 33%29 19 19 5 %6 2 5 2 %4 3 2 %6 12%11 14 10|15 20 20 26 35 56 59 44 35 24 13 17 12 6 10 5 4 4 2 4 7 13 26 20 11|22 16 17 33 39 41 57 41%36%25 24%16 17 9 4 2 1 0 4 5 7 12 10 17 12|27 17 14 24 35 35 54 44 30 23 20 18 7 8 3 5 5 3 -- -- -- --%12 18 13|19 14 26 20 31 36 45 35 41 32 24 11 12 11 12 4 2 6 2 6 8 18 13 26 14|23 17 12 28 29 41 35 36 44 22%17 --%15 4 5 2 4 3 3 3 7 12 14 13 15|14 20 15 31 22 41 48 39 31 28 16 9 %3 6 3 4 2 3 0 2 %9 16 16 15 16|22 21 17 25 27 28 32 35 35 21 15 12%14 %2 6 2 1 3 %4 5 11 13 16 18 17|17 17 NS 24 15 22%32 29 33 25 10 10 11 8 8 5 1 4 4 2 4 16 22 14 18|17 22 27 25 29 40 41 48 35 31 23 9 10 8 2 1 3 3 4 5 12 14 15 20 19|18 23 15 19 21 24 33 36 23 17 15 16 14 7 6 5 0 3 1 7 9 22 27 19 20|19 16 18 24 18 32 28 33 26%19 10 13 11 7 8 %5 4 1 4 6 5 13 12 23 21|22 22 22 23 19 35 34 29 29 18 8 8 10 4 7 3 5 0 6 3 %8 %8 23 17 22|21 13 21 24 25 34 49 32 21 12 15 15 4 7 5 8 ES ES %2 2 9 15%20 27 23|25 17 24 19 28 38 19 26%27%12%12 13 6 13 9 2 5 %4 %0 %4 8 17 28 24 24|17 15 11 16 32 20 16 33 15 11 12 11 10 8 %8 2 3 4 NS NS NS --%22 25 25|33 21 24 19 26 27 23 30 26 21 8 6%18 5 9 4 2 2 3 6 11 14 21 23 26|18 20 22 22 25 28 29 20 30%14%12 7 11 6 3 9 5 4 6 5 13 16 11 28 27|21 23 21 19 33 20 19 20%20 17 14 12 3 %0 NS %2 %6 1 4 9 8 10 11%21 28|16 9 24 22 26 17 23 24%20 NS ES ES %2 5 3 4 2 2 5 7 5 7 17 30 29|14%15%16 22 21 18 19%25 14 16 NS 1 %7 6 9 4 3 1 NS NS %6 14 14 21 30%14 18 16 24 21 19 29 31 22 7 7 12 5 %5 %6 1 1 3 2 1 5 12 18 19 31|17 19 13 14 27 34 30 19 22 10 %7 %3 10 8 7 ES%12 5 5 4 6 7 17 17 ---+----------------------------------------------------------------------- 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 01| 2 1 2 02| 03| 1 1 1 1 04| 1 4 1 1 05| 1 1 4 1 2 1 1 06| 1 1 1 2 1 3 1 1 07| 1 3 1 6 2 08| 3 2 1 2 1 1 09| 1 1 2 1 2 10| 2 1 1 1 1 11| 1 1 1 1 1 12| 1 1 13| 1 2 1 14| 1 15| 1 2 1 1 16| 1 1 2 1 17| 1 18| 1 19| 1 20| 1 21| 2 3 22| 2 1 23| 2 2 1 24| 1 1 1 1 1 25| 1 1 1 26| 1 1 1 27| 1 1 1 28| 1 1 1 29| 1 1 30| 1 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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 : Shigeo Sambe Location : Sapporo, Hokkaido, Japan (43.705 N, 141.307 E) Frequency: 53.750 MHz Transmitter Location: Fukui-NCT at Sabae city (136.2 E, 35.9 N) HAM beacon (JA9YDB) for RMO (50 W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Antenna : 4el. HB9CV (H=13m) Receiver: Original Converter & KENWOOD R-5000 Observing method: HROFFT software(by K.Okawa) Counting method: manual count Total number of echoes -- 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 01%15%34 35 19 34 48 60 54%44 26 13 3 5 3 1 4 3 1 8 2 17 16 20 24 02|29 29 16 21 48 56 60 41 50 40 26 12 9 13 12 13 4 4 %6%10 19 22 32 46 03|35 31 24 26 39 51 43 44 34 34 26 7 3 7 4 9 5 5 11 8 12 23 23 37 04|28 26 25 25 37 37 54 42 52 35 19%12 4 11 2 2 3 11 3 8 11 14 23 21 05|27 25 27 36 45 55 57 51 23 10 6 7 11 1 0 2 5 3 4 13 13 24 35 43 06|24 25 29 27 41 53 55 45 38 13 7 1 0 0 2 1 0 0 1 7 13 20 24 32 07|23 28 24 47 45 64 48 43 47 39 27 14 9 9 14 12 3 5 5 7 10 16 16 25 08|24 18 22 27 46 71 55 68 47 34 16 8 14 15 9 9 3 5 4 2 14 14 29 27 09|36 17 29 52 47 48 58 58 58 43 19 15 6 19 14 10 8 5 4 9 5 18 32 27 10|23 31 27 37 52 61 62 38 36 26 14 15 14 10 10 6 8 3 1 7 16 16 10 27 11|26 34 32 33 38 55 56 51 42 30 19 15 7 13 8 6 12 3 3 7 16 16 12 21 12|27 23 22 36 37 46 57 56 40 24 23 9 6 9 11 11 7 5 5 9 12 10 22 25 13|31 25 25 19 38 43 39 55 33 24 14 8 12 14 16 11 11 3 4 13 7 16 25 33 14|28 28 31 40 46 46 48 53 35 32 19 9 15 17 15 8 12 6 6%12%11 18 28 29 15|47 34 28 43 43 65 62 54 53%50 15 6 13 15 14 9 4 5 5 7 12 23 35 26 16|30 33 26 47 35 38 50 69 39 28 12 13 6 9 4 7 7 6 5 4 10 24 26 42 17|29 30 29 27 31 45 46 47 44 27 13 10 4 14 21 19 6 6 8 9 15 20 24 38 18|30 32 25 29 38 36 66 45 39%24 -- %6 10 13 16 7 2 %5 2 6 9 13%20 19 19|16 24 7 13 20 27 35 32 30 9 9 1 13 15 14 4 5 1 1 8 3 11 32 20 20|28 22 14 19 21 19 39 24 18 19 9 7 7 13 10 6 8 7 5 2 9 8 18 25 21|19 18 16 13 23 25 28 30 30 14 7 2 6 12 10 7 9 5 6 5 8 14 17 22 22|12 11 9 17 26 23 30 29 29 16 12 7 4 8 7 8 8 %4 3 6 9 13 19 17 23|27 16 26 25 14 18 25 14 17 14 10 10 %7 7 13 5 6 %6 %5 2 5 11 8 10 24|21 14 15 20 23 15 20 22 8 10%13 6 %6 %6%22 13 8 4 6 2 14 16 26 27 25|30 30 20 22 32 29 29 41 22 19 6 8 6 -- 15 8 9 8 5 8 8 17 28 29 26|23 22 23 20 27 34 37 28 24 19 10 9 11 12 10 13 6 3 4 6 3 14 27 31 27|36 28 24 25 21 24 34 34 28 15 17 7 25 21 15 6 6 8 6 12 12 12 21 24 28|27 22 28 28 37 44 46 36%10 ES ES ES%17%20 17 8 10 10 %5 %6 %7%10 20 15 29|20%20%25%20%30 43 25 44 32 -- -- -- -- 14 31 22 3 9 3 9 11%14%19 26 30|24 13 16 20 15 32 31 18 26 14 10 12 8 19 31 8 6 3 3 10 8 15 22 20 31|14 12 10 14 20 26 29 28 32 16 13 3 15 17%16 ES ES 6 4 2 2 6 6 16 ---+----------------------------------------------------------------------- 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 01| 1 4 2 1 1 1 1 02| 1 1 1 1 1 03| 1 2 1 04| 1 1 2 2 05| 1 2 1 2 2 06| 1 1 1 1 07| 1 3 1 9 2 08| 2 2 4 1 1 1 09| 2 2 7 2 2 10| 1 1 1 2 1 1 11| 1 3 2 1 1 1 2 1 2 12| 2 1 2 1 1 13| 1 2 1 3 4 1 14| 1 2 2 1 1 1 1 1 1 1 1 15| 1 1 1 2 1 2 1 16| 1 3 4 1 2 2 3 1 17| 1 2 1 1 1 2 1 1 1 18| 1 1 1 1 19| 1 1 20| 1 21| 1 1 1 22| 1 2 2 1 23| 1 1 1 24| 1 1 1 25| 1 1 26| 1 1 1 1 27| 1 1 1 1 28| 2 1 1 1 1 29| 1 1 1 30| 1 1 1 1 3 31| 1 1 1 2 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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 : Takashi Usui Location : Itabashi, Tokyo, Japan (139.72 E, 35.75 N) (1)28MHz observation Transmitter Location: Nagano, Toyoshina [JR0YAN] 28.208MHz 50W Antenna : 6mH Whip HF10FX Receiver : TS 690 Method : by using HROFFT software (by Mr.Kazuhiko Ohkawa) and manual count The signal from receiver is divided with two PC. Normal Condition Signal=70, Level=15 -- 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 01| 0 0 2 2 1 1 2 0 2 0 2 0 0 3 3 2 0 0 @0 @0 0 0 1 0 02| 0 3 0 0 1 1 0 0 0 3 0 0 1 1 2 0 1 0 1 0 1 1 0 0 03| 0 0 0 0 4 1 2 2 1 0 0 @0 @8 1 1 1 @0 CW 3 0 0 0 1 0 04| 0 0 0 2 0 0 2 1 0 0 1 1 3 3 3 0 @0 @0 CW @2 3 0 2 2 05| 0 1 2 1 7 7 4 7 9 7 1 0 4 @6 CW CW @0 CW @2 0 0 2 5 2 06| 0 4 1 2 5 2 11 3 0 4 2 5 3 9 2 7 2 0 0 0 0 0 1 1 07| 0 1 2 6 1 7 3 6 3 4 2 5 7 10 4 3 @2 @0 2 0 1 0 1 0 08| 1 0 1 4 0 1 2 8 10 2 4 4 8 2 4 2 2 1 0 0 1 1 1 2 09| 1 1 3 2 2 6 6 1 6 4 2 2 3 9 2 @5 CW CW @0 @0 1 0 1 0 10| 7 3 4 4 3 8 6 7 8 8 3 4 8 7@12 @4 @2 1 2 @4 1 0 1 @0 11| 0 1 1 3 6 6 5 3 2 4 3 4 6 2 7 4 1 1 0 0 1 0 1 1 12| 1 0 1 1 2 5 2 2 3 3 7 1 6 6 2 6 @0 @0 0 0 2 2 2 0 13| 3 0 2 0 1 1 5 4 1 6 2 5 5 4 4 3 0 1 0 0 3 1 1 0 14| 4 1 3 0 0 1 1 2 2 1 4 5 4 6 8 0 2 0 0 0 1 0 2 0 15| 1 1 1 0 3 2 1 1 0 2 2 1 5 1 4 1 5 1 0 1 1 2 0 1 16| 1 1 5 3 3 4 5 2 7 5 5 3 4 10 4 3 1 0 4 0 2 3 1 1 17| 1 1 4 0 7 3 7 5 4 5 5 4 4 6 9 @6 CW CW CW @2 1 2 1 1 18| 2 2 4 4 3 6 3 3 2 1 4 4 5 8 4 0 0 @0 IF IF @3 4 IF IF 19|@0 4 1 7 2 3 5 @5 3 IF IF 7 14 14 10 4 3 2 CW CW CW 1 2 1 20| 5 3 4 9 6 5 3 7 @4 CW @6 6 8 7 12 2 2 @0 @0 0 3 4 1 2 21| 3 2 4 1 10 3 4 4 4 @2 11 CW CW 11 10@12 5 @2 IF 3 6 2 1 2 22| 3 4 4 2 5 6 9 3 @4 @5 3 2 9 4 @6 4 @6 CW @0 1 2 0 5 7 23| 1 3 3 7 2 3 4 6 CW CW CW IF CW CW @6 8 CW CW CW @0 2 1 1 2 24| 0 3 3 5 4 3 5 CW CW @0 5 5 @4 13 5 CW CW CW CW CW @4 1 1 3 25| 3 5 6 1 2 7 5 5 7 3 1 5 7 6 7 3 2 5 1 2 3 2 1 3 26| 4 4 3 3 7 7 4 0 @3 @2 3 3 5 12 13 10 @2 IF @2 1 1 0 2 1 27| 5 2 3 3 1 5 6 1 5 4 3 3 9 9 12 @3 3 CW @6 2 0 5 1 2 28| 2 2 5 @2 6 2 2 @5 @2 @0 1 3 @8@11 11 8 4 @2 CW @5 @1 @4 2 7 29| 2 1 4 5 9 8 4 10 @4 CW 3 1 5 @6 CW CW CW CW CW CW CW @4 @3 CW 30| 1 3 2 3 5 7 3 9 2 10 3 7 5 6 13 @2 CW @4 1 1 1 1 12 4 31| 2 4 0 5 5 2 6 8 7 3 @1 @3 @8 14 10 6 2 0 1 1 0 2 0 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 01| 1 02| 03| 04| 1 05| 1 1 06| 1 07| 1 1 08| 2 09| 1 1 1 1 10| 1 11| 1 12| 13| 14| 1 15| 16| 1 1 1 17| 1 18| 1 19| 20| 21| 1 22| 1 23| 1 24| 1 25| 1 1 26| 27| 1 28| 29| 1 1 30| 1 1 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT (2)53MHz observation Transmitter Location:Fukui-NCT at Sabae, Japan (136.2 E, 25.9 N) Ham beacon (JA9YDB) for RMO (50W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Antenna : Whip Receiver : TS 670 Method : by using HROFFT software (by Mr.Kazuhiko Ohkawa) and manual count The signal from receiver is divided with two PC. Normal Condition Signal=70, Level=15 -- 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 01| 1 1 0 2 2 3 2 6 5 4 1 0 2 5 1 2 1 0 1 2 1 1 2 1 02| 2 3 4 2 4 2 4 3 2 0 1 2 0 2 2 2 0 2 1 0 3 4 2 2 03| 2 2 1 2 6 3 2 1 5 4 @2 @1 2 0 1 @3 0 @0 @3 0 1 0 1 2 04| 1 0 0 2 1 3 0 8 2 1 1 2 2 0 1 @2 @1 @2 0 2 2 1 2 @3 05| 2 2 5 6 10 4 10 0 0 1 1 3 0 3 IF IF IF IF @5 0 1 0 0 0 06| 0 1 1 4 3 3 2 5 2 2 1 1 2 4 3 1 2 2 0 1 1 0 0 2 07| 1 1 5 3 2 3 7 10 8 4 3 3 4 2 0 1 0 0 0 1 0 0 0 3 08| 0 3 4 5 6 3 6 5 9 4 8 4 3 3 3 2 4 0 3 0 0 2 3 2 09| 1 6 4 5 3 5 11 2 12 4 6 2 2 3 3 0 @5 1 2 0 3 3 4 1 10| 3 3 2 6 6 12 6 4 3 3 2 2 7 4 4 2 3 0 1 @0 0 1 3 @3 11|@5 6 5 5 2 6 9 6 6 3 3 3 2 0 4 2 1 2 3 0 2 1 2 3 12| 1 2 4 6 8 3 5 4 3 2 2 2 1 3 4 2 2 2 0 0 3 6 1 @1 13|NS NS NS NS NS NS NS NS NS 6 4 9 4 3 3 4 1 1 1 1 0 2 2 2 14| 1 1 4 5 6 9 4 3 5 1 3 4 1 5 7 5 1 1 1 3 0 @2 2 1 15| 1 1 5 6 6 3 6 6 4 0 2 1 4 3 4 4 3 1 @4 @2 1 6 2 2 16| 2 1 2 1 0 6 2 4 2 5 1 2 3 1 2 2 2 3 1 1 0 0 4 0 17| 3 3 6 3 6 4 5 5 5 5 5 0 3 3 6 @1 @2 2 2 5 0 3 1 5 18| 1 6 4 3 2 2 2 9 2 6 2 4 1 4 2 0 0 @0 IF @0 0 2 1 4 19| 2 3 2 4 3 6 3 2 2 1 2 1 1 0 3 1 1 0 0 1 1 2 2 0 20| 3 1 6 2 2 6 2 4 3 ES ES ES ES 1 3 3 1 0 0 0 1 1 1 2 21| 1 2 3 4 3 5 2 0 1 2 1 0 0 2 1 0 0 0 1 1 2 1 0 0 22| 0 1 0 1 4 3 2 2 1 0 @3 0 1 1 2 5 1 ES 1 0 0 0 1 0 23| 1 0 0 0 0 0 2 0 0 2 0 0 1 0 0 0 0 1 0 0 0 0 0 1 24| 1 0 0 3 0 1 2 1 0 3 0 2 1 0 0 2 0 @2 1 @0 0 0 1 1 25| 0 1 1 0 1 1 1 3 1 2 0 1 0 0 2 0 0 1 0 1 0 1 1 2 26| 2 2 1 0 1 1 2 0 0 2 1 0 2 0 2 4 0 0 0 1 1 2 2 2 27| 1 1 1 0 3 4 3 2 0 1 1 1 0 1 3 3 1 0 0 1 1 0 0 0 28| 0 1 3 5 4 2 1 3 0 2 0 0 0 5 1 0 1 1 2 1 0 4 1 0 29| 1 1 0 2 3 1 6 @4 3 4 0 3 2 3 3 3 IF @2 IF IF 0 0 1 2 30| 2 3 1 1 5 4 2 3 3 1 3 0 0 0 0 3 0 0 @2 1 0 2 @2 3 31| 2 3 0 1 2 2 3 4 3 1 1 @0 0 5 2 1 2 @0 1 2 0 0 1 0 ---+----------------------------------------------------------------------- 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 01| 1 1 02| 03| 1 04| 05| 1 1 1 06| 07| 1 08| 1 09| 1 10| 1 1 11| 1 12| 13| 1 1 14| 15| 16| 17| 18| 19| 20| 21| 22| 1 23| 24| 25| 1 26| 27| 28| 1 29| 30| 31| ---+----------------------------------------------------------------------- May|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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 : Arima High School Location : Sanda, Hyogo, Japan (135.223 E, 34.885 N) Frequency: 53.750 MHz Transmitter Location: Fukui-NCT at Sabae city (136.2 E, 35.9 N) HAM beacon (JA9YDB) for RMO (50 W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Antenna : COMET 2el. HB9CV (zenith) Receiver : ITEC HRO-RX1a Method : by using HROFFT software (by Mr.Kazuhiko Ohkawa) and manual count -- 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 01| 4 9 5 1 7 5 5 10 IF IF IF NS NS NS NS NS IF NS %0 0 0 4 3 7 02|11 13 8 8 10 6 6 4 IF IF ES ES ES ES ES ES ES ES ES ES ES ES ES NS 03|NS NS NS NS NS NS NS NS NS ES ES ES ES ES NS NS IF IF NS NS NS NS NS NS 04|NS NS NS NS NS NS NS NS NS NS NS NS %2 0 0 0 1 4 1 0 2 0 1 1 05| 1 0 1 1 2 2 0 1 3 3 2 1 1 0 %8 IF IF %6 %6 0 0 0 1 5 06| 1 3 0 1 1 2 0 5 0 %0 IF 0 0 2 2 2 3 %3 %2 0 1 0 0 2 07|%5 NS NS 0 2 5 2 5 4 6 2 7 7 1 %0 1 0 1 2 0 3 6 9 5 08|11 11 7 9 7 %6 8 2 -- -- -- -- -- -- -- -- -- -- 1 0 0 0 7 7 09| 8 10 7 7 5 6%16 NS NS NS NS NS NS NS NS NS 4 0 2 5 2 1 2 1 10| 4 10 5 3 3 4 4 6 8 6 5 6 2 2 3 4 8 %0 %0 %0 2 5 2 3 11| 5 6 12 4 8 6 10 5 6 4 0 2 4 3 1 2 3 2 1 0 2 4 3 2 12| 2 6 7 6 13 5 8 9 5 4 2 5 4 2 3 1 2 3 0 0 1 3 4 6 13| 7 8 8 4 6 5 8 7 11 9 3 3 0 0 3 1 0 1 0 0 0 3 2 3 14| 7 3 6 2 3 7 11 7 3 0 5 3 7 %0 1 1 0 0 3 1 0 4 8 7 15| 8 10 9 10 16 15 14 12 2 14 1 3 5 7 9 8 2 1 2 %2 0 9 20 9 16|23 9 7 10 13 6 6 21 14 12 1 4 8 %7 NS%10 1 1 2 1 2 4 8 10 17| 9 7 11 9 5 10 15 9 6 19 8 %0 NS NS 3 %2 %5 4 2 1 0 4 4 8 18| 8 15 12 17 18 21 30 33 16 20 20 13 8 11 5 IF IF IF IF %0 8 3 10 7 19| 9 9 8 12 13 16 15 20 17%11 ES ES 7 9 2 3 1 %2 NS NS 4 1 5 11 20| 8 13 16 7 8 11 10 14 10 ES ES ES ES %8 -- -- %4 %4 0 1 4 7 11 16 21|16 18 23 11 11 14 16 24 11 12 1 %4 NS %8 %8 NS NS NS %2 0 8 7 25 18 22|25 16 8 12 8 9 18 14%11 6 %0%12 11 7 11 3 6 NS ES 9 1 9 15 13 23|15 16 15 14 15 19 21 12 11 %6 %5 IF -- -- -- -- -- -- -- -- -- -- -- -- 24|-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 25|-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 26|-- -- -- -- -- -- -- -- --%16 %6 6 1 %4 0 3 3 3 2 1 6 11 4 6 27| 9 10 9 8 10 12 6 10 10 %2 3 2 4 2 3 4 6 1 4 0 6 7 9 6 28| 9 13 7 4 8 15 8 8 5 3 3 2 2 2 2 2 2 2 1 1 1 6 5 4 29|10 4 9 9 8 9 10 %8 8 6 1 4 2 3 3 NS NS 3 1 IF 3 7 4 9 30|12 10 11 11 12 11 12 7 7 8 7 5 2 8 8 7 4 %2 ES 1 3 7 4 15 31|16 16 16 18 26 20 11 14 14 18%13 %5 12 8 7 4 7 1 NS 6 4 9 21 17 ---+----------------------------------------------------------------------- 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT ---+------------------------------------------------------------------------ 01| 1 1 02| 1 1 03| 04| 05| 1 1 06| 1 2 2 07| 3 08| 2 1 4 09| 1 1 1 10| 1 1 11| 1 2 1 1 12| 1 13| 1 1 1 1 14| 15| 1 2 16| 1 1 1 1 1 17| 1 1 1 2 18| 1 19| 20| 2 1 1 21| 22| 23| 1 24| 25| 26| 27| 28| 1 1 1 29| 1 30| 2 1 1 31| 2 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 May|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14UT 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. In Japan, radio meteor observation has become the major meteor observation by means of development of low-price receiver and useful automatic data-taking software (HROFFT by Mr.K.Ohkawa). There are 70 observational sites in Japan, most of which utilize the radio source of 53.750MHz (50W) transmitted at Fukui-NCT(by Mr.K.Maegawa). FM-radio Observation has become difficult in Japan because of the recent increase of small-FM staions. I hope RMOJ will be helpful to radio observers, as well as all meteor observers. Hiroshi Ogawa 2003.06.06