Radio Meteor Observation in Japan No.030 April, 2004 ( http://homepage2.nifty.com/~baron/ ) ----------------------------------------------------------------------------- Observer : Minoru Ehara Location : Sayama, Saitama, Japan (139.4 E, 35.8 N) Frequency: 53.750 MHz Antenna : 2el. HB9CV 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 Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Apr|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|NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS %5 %5 7 9 12 7 02|20 21 17 26 24 15 26 23 14 NS NS NS NS NS NS%18 NS NS NS NS NS NS NS NS 03|NS NS NS%12 13%17 16 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 10 04%14 NS%24 18 20 16 21 %9%21 12 18%23 NS 23 12 %9 6 7 13 3 4 8 11 16 05|15 17 17 18 21 18 34 23 14%17 NS NS NS NS NS NS NS NS NS 4 6 8 16 14 06|18 15 17 %8 18 13 24 16 23 15 22 NS NS NS NS NS NS NS NS 5 %2 --%16 14 07|11 17 24 14 12 23 20 19%23 15 18 NS NS NS NS NS NS NS NS NS NS 6 9 15 08|15 12 15 20 15 11 20 20%18 NS NS NS NS NS NS NS NS NS NS NS NS 12 19 7 09|16 22 24 16 15 13 11%26 NS NS NS NS NS NS NS NS NS NS NS NS %6 12 14 14 10|10 8 18 20 18 18 15%18 NS NS NS NS NS NS NS NS NS NS %5 5 8 5 15 10 11|14 17 12 17 17 12 7 21 11 12 18 16 20 NS NS NS %8 2 4 3 7 4 9 12 12|15 11 18 16 12 23 13 17 16 15 NS NS NS NS NS NS NS NS NS NS NS NS NS NS 13|NS NS%22 18 10 20 22 19 23 8 20 13 19 16 10 9 7 2 6 4 7 3 10 10 14|12 11%16%30%12 15 14 19 22%23 18 23 18 14 20 9 3 7 0 3 9%12 11 13 15|13 19 18 19 17 23 19 15 15 16 NS NS NS NS NS NS NS NS NS %2 %3 NS%12 17 16|13 20 15 20 13 14 22 17 23 NS NS NS NS NS NS NS NS NS 3 10 6 11 6%26 17| 8 12 19 7 11 25 17 19 18 NS NS NS NS NS NS NS NS NS NS NS NS NS NS%12 18%15 13 20 26 20 12 17 14%14 NS NS NS NS NS NS NS NS 6 3 2 8 9 10 14 19|11 17 8 18 17 7 17 18 15 17 18 12 18 26 15 6 7 5 6 6 8 12 15 10 20|24 16 21 16 20 17 25 16 17 22 17%14%20 NS 13 11 NS NS NS NS NS NS NS NS 21|NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS %2 NS NS 12 19 15 22|19 21 36 27 22 21 19 25 14%19 NS NS -- -- NS NS NS NS NS NS NS %5%14 12 23|12 15 13 17 19 16 16 21 16 13 7 18 13 18 9 7 12 3 3 4 9 14%12 NS 24|NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 25|18 14 19 17 15 17%18 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 19 20 26|17 16 31 25 13 28%25 NS NS NS NS NS NS NS NS NS NS NS NS NS%11 6 12 16 27|14 22 25 20 19 24 17 16 25 16 29 35 32 22 23 10 6 9 4 8 8 12 8 18 28|14 16 22 21 18 15 18 32 23 26 14 NS NS NS NS NS NS NS NS NS NS NS NS NS 29|NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 13 15 10 30|19 24 19 21 20 19 20 25%20 NS NS NS NS NS NS NS NS NS NS 2 9 10 6 12 ---+----------------------------------------------------------------------- Apr|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 Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+----------------------------------------------------------------------- 01| 02| 1 1 03| 1 04| 05| 06| 1 07| 08| 1 09| 1 10| 11| 1 12| 1 13| 1 14| 1 1 15| 16| 17| 18| 19| 1 20| 2 21| 22| 1 2 1 1 23| 1 1 1 1 1 24| 25| 1 26| 1 27| 1 28| 1 29| 1 30| 1 1 1 ---+----------------------------------------------------------------------- Apr|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 : Kenji Fujito Location : Yokkaichi, Mie, Japan (34.96 N, 136.61 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 : 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 -- Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+----------------------------------------------------------------------- 01| 5 6 2 8 5 7 7 12 5 4 4 0 8 1 0 3 3 0 0 0 3 2 5 4 02| 4 4 9 4 5 6 9 7 13 4 5 2 3 4 3 0 0 0 1 1 2 3 2 6 03| 4 10 7 5 9 6 7 6 15 3 1 3 3 4 3 1 0 2 1 0 2 3 7 4 04| 3 3 3 9 4 8 7 11 7 7 5 3 7 7 1 3 1 2 0 2 2 4 5 6 05| 8 14 7 8 3 3 11 8 10 1 9 3 8 4 2 1 1 1 0 1 6 3 3 2 06| 6 5 8 8 9 11 11 11 10 3 1 4 6 6 5 0 1 2 0 2 0 0 1 2 07| 4 5 4 7 4 4 8 2 10 8 3 4 1 2 0 1 0 1 1 2 1 4 4 4 08| 2 3 3 5 3 8 8 4 6 1 4 2 4 1 2 2 1 2 0 2 1 3 2 8 09| 6 5 4 9 7 5 7 15 17 7 7 1 2 1 3 1 0 4 0 1 1 2 1 1 10| 3 8 8 8 8 8 5 3 12 2 3 2 0 1 3 1 3 2 0 2 0 4 3 2 11| 2 3 2 4 4 6 10 10 8 6 1 4 1 0 0 2 1 3 2 0 3 3 6 6 12| 5 6 5 8 5 9 6 8 7 7 2 0 1 1 0 2 2 2 1 2 1 2 2 4 13| 5 6 4 4 2 7 8 3 9 2 4 3 3 4 4 3 1 2 2 0 1 0 0 2 14| 5 2 4 3 2 9 4 5 4 3 2 4 2 4 7 1 3 3 1 1 2 3 2 9 15| 4 4 7 11 7 6 3 9 10 3 1 2 0 4 6 3 4 0 0 1 2 2 4 8 16| 1 5 2 2 3 8 7 4 6 4 2 3 3 4 5 0 1 0 1 0 4 2 5 6 17| 4 4 5 4 1 2 2 4 7 8 4 3 3 3 6 1 1 2 1 3 1 2 5 6 18| 4 4 7 6 3 5 5 5 2 2 3 3 7 1 0 0 2 1 1 1 4 3 1 4 19| 1 3 2 4 3 1 2 4 2 4 4 5 5 1 2 3 1 1 2 0 4 3 8 11 20| 5 7 5 7 3 5 3 4 3 9 6 0 6 5 3 5 3 2 1 1 2 1 1 4 21| 2 4 6 5 6 6 5 6 4 1 2 1 2 1 3 2 1 0 1 5 3 4 9 10 22| 3 7 6 9 6 3 2 6 5 7 0 2 2 4 2 4 5 3 2 2 0 5 7 7 23| 9 4 8 8 10 2 10 8 5 8 3 5 4 2 4 0 3 2 1 2 0 2 3 4 24| 4 5 4 4 5 4 6 6 4 4 3 2 1 1 1 2 1 0 0 0 0 5 10 4 25| 6 11 8 5 8 9 10 13 5 3 2 3 3 4 2 1 2 0 1 1 0 3 6 6 26| 2 0 6 6 14 4 8 13 4 4 3 4 0 1 4 1 1 0 0 1 2 5 1 4 27|-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 28| 4 8 1 6 0 9 7 8 6 8 3 1 1 2 2 6 0 2 1 1 2 2 2 4 29| 3 2 7 2 4 6 7 5 4 1 3 4 1 2 6 2 3 0 0 0 1 1 2 2 30| 6 6 9 4 3 2 6 6 5 3 1 0 3 2 12 4 4 4 1 2 0 2 5 3 ---+----------------------------------------------------------------------- Apr|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 Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+----------------------------------------------------------------------- 01| 02| 1 1 03| 04| 05| 06| 07| 08| 09| 10| 1 11| 12| 13| 14| 15| 16| 17| 1 18| 1 19| 20| 21| 22| 23| 1 1 1 24| 25| 26| 27| 28| 1 29| 30| ---+----------------------------------------------------------------------- Apr|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 : 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 ver0.61 (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) Time Adjustment: JJY(60kHz) every 30minutes using radio clock by Akizuki Co. software: clockkeeper (by Michinari Yamamoto) -- Total number of echoes -- Apr|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|10 10 16 8 10 19 12 11 18 6%13 NS%12 NS NS NS NS%16 %8 %6 9 15 11 10 02|10 15 10 8 14 13 11 11 11%10 NS NS NS NS NS NS NS NS NS 3 %6 6 11 7 03| 7 13 15 8 6 11 19 12 17 12 6%10 NS NS NS NS NS %2 %4 4 8 9 12 5 04| 7 14 8 16 13 12%14 7 13 11 9 9 8 -- -- -- -- -- -- -- %6 8 11 11 05|14 11 11 10%12 13 8 20 13 12 9 NS NS NS NS NS NS %4 6 5 7 10 12 14 06|16 15 14 12%14 11 17 13 17 8 %7%10 %5 NS NS NS NS %6 %4 3 5 12 4 12 07| 4 9 15 10 10 7 20 22 8 6 10 7 6 %1 NS %2 4 5 4 5 6 7 11 7 08| 5 13 14 13 %9 12 17 12%10%13 NS NS NS NS NS NS NS NS %2 8 3 14 4 10 09|10 17 7 13 17 16 14 12 14 NS NS NS NS NS NS NS NS NS NS 4 8 10 14 5 10|15 13 12 10 16 16 15 12 12 %8 NS NS NS NS NS NS NS NS %0 %9 8 %5 7 15 11|12 10 19 13 12 11%13 19 11 %8%12 NS %9 7 %9 6 %4 %4 6 3 %3 7 9 13 12| 8 8 15 14%11 12 16 16 8 6 9 %3 NS NS NS NS NS NS NS 2 6 12 13 8 13| 6 16 12 16 %9 14 13 16 18 6 9 NS NS NS NS NS NS NS NS NS NS 9 11 15 14|18 8 14 12%14 13 20 10 15 13 4 11 7 5 7 6 11 %0 2 4 6%10 11 15 15|12 11 16 16 16 17 19 11 13 18 8 NS NS NS NS NS NS NS NS %4 7 9 10 13 16| 8 8 21 10 17 19 25 18%19 NS NS NS NS NS NS NS NS NS %9 NS NS %8%12 %9 17%24 9 12 15 15 17 13 20%14 NS NS NS NS NS NS NS NS NS %5 4 10 19 16 21 18|14 21 16 12 16 18 13 18 13 %9 13%13 NS NS NS NS %2 %6 6 7 6 %8 NS 8 19|13 12 10 8 17 10 12 15 14 10 15 11 7 5 6 2 1 9 5 6 10 7 9 11 20|13 10 13 11 17 22 16 23 22 19%11%12 NS NS NS NS NS %9 6 8 7 12 19 13 21|12 17 9 13%20 19 21 20 19 20%25 %8 NS NS NS NS NS NS %8 5 10 12 15 15 22|18 21 25 20%14 26 26 22 27%19 NS NS NS NS NS NS NS NS NS NS NS NS 17 19 23|19 15 6 15%16 22 14 18 18 15%13 NS NS NS NS NS NS NS NS NS NS 6 14 17 24| 8 11 15 13 17 17 30 28%20%21 %9 NS%10 %9 %5 9 5 4 %8 %7%20 10 13 13 25| 9 18 13 12 19 29%23%25 21 %9 NS NS NS NS NS %6 7 5 3 1%14 13 13 20 26|12 20 12 11 19 22 21%17 NS%13%14 NS NS NS%16 6 7 5 4 2 7 7 20 16 27|15 13 14 16 13 26 17 13 15 17 7 8 %5 -- -- -- -- -- -- %5 5 13 9 23 28|12 12 13 11%11 23%20 19 %8 NS NS NS NS NS NS NS NS NS NS %8 %3 13 17 6 29|18 20 15 18 11 27%37 25 NS NS NS NS NS NS%16 NS NS %0 4 5 8 3 14 18 30|20 13 20 17 22 25 31 17 20 16 12 6 NS NS NS 4 %3 %4 4 5 9 11 19 10 ---+----------------------------------------------------------------------- Apr|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 Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+----------------------------------------------------------------------- 01| 02| 03| 1 04| 05| 06| 1 07| 1 08| 09| 10| 11| 1 12| 1 13| 1 14| 15| 1 16| 17| 18| 1 19| 20| 1 21| 1 1 22| 1 1 1 23| 24| 1 25| 26| 27| 28| 1 29| 1 30| ---+----------------------------------------------------------------------- Apr|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 : Naoki Moriwaki Location : Kure, Hiroshima, Japan (34.2 N, 132.5 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 : original loop Receiver: ICOM IC-736 Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Apr|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 11 6 12 9 13 14 12 16 15 6 2 0 1 4 5 6 4 3 2 1 7 7 10 02| 3 14 7 8 7 9 12 15 6 7 2 2 0 4 3 3 1 1 3 0 1 3 9 10 03| 5 11 6 10 12 6 17 17 8 6 2 3 2 2 4 6 5 2 2 3 2 7 6 11 04|%6 8 3 6 6 6 13 13 18 -- -- -- -- -- -- -- -- -- -- -- 2 6 11 14 05| 5 7 16 10 12 11 18 18 15 13 8 5 5 2 0 0 1 0 1 1 6 13 9 14 06| 9 10 11 7 10 14 18 25 14 7 10 4 6 1 6 2 4 2 1 5 -- %4 10 12 07|12 9 10 10 10 6 16 15 14 11 5 8 3 NS NS NS%11 0 0 %3 -- 7 4 4 08| 8 17 7 4 4 8 16 14 9 10 13 5 5 5 3 4 4 3 0 %2 -- %4 8 12 09| 8 10 10 7 5 11 13 23 9 15 11 6 5 NS NS NS -- %0 1 --%14 %4 11 6 10|13 11 8 5 9 14 17 15 %7 2 9 5 3 %4 %0 1 %0 1 0 0 2 6 3 3 11|NS NS %8 13 7 11 15 8 11 7 10 1 5 0 3 2 3 3 2 3 3 5 6 3 12| 9 12 6 9 8 13 8 17 16 12 10 10 4 1 2 4 4 0 1 %1 3 6 7 7 13| 5 9 5 8 10 16 10 5 8 4 0 2 2 4 1 4 0 3 2 2 2 4 2 5 14| 2 5 8 3 9 9 14 13 13 12 14 4 1 7 0 5 5 5 2 1 %3 7 5 11 15| 8 7 9 12 10 13 12 17 13 11 NS NS NS NS NS NS NS NS NS NS %4 9 7 4 16| 7 5 7 8 8 10 12 16 11 4 7 3 2 1 1 1 3 0 2 2 5 2 6 6 17| 4 11 10 8 6 14 21 17 12 6 4 3 1 3 5 3 2 1 2 0 5 7 6 7 18| 9 10 IF IF IF IF IF IF 8 7 6 2 2 %1 8 3 1 3 2 1 3 6 8 9 19| 6 9 7 8 7 21 10 12 8 12 9 4 4 1 %5 %8 ES %4 6 %2 %5 4 5 7 20| 5 6 11 4 6 20 11 17 13 12 5 9 3 1 5 3 2 2 2 0 1 9 8 8 21| 9 10 8 19 10 18 9 15 9 15 5 7 0 3 3 6 1 6 2 0 2 4 10 9 22|11 9 17 10 6 10 19 17 15 13 8 3 1 1 0 0 0 3 2 0 3 8 5 7 23| 7 9 6 10 12 14 11 8 8 7 3 2 1 1 1 1 0 2 2 2 4 8 8 5 24| 6 10 20 7 15 19 22 19 12 4 8 2 0 2 %0 0 0 1 1 0 2 5 11 10 25|11 13 6 5 14 18 36 19 14 8 1 3 1 0 2 1 2 4 0 1 3 12 7 14 26| 8 16 8 6 12 22 10 12 13 13 11 5 0 5 7 1 4 8 2 3 %8 7 10 6 27|10 9 11 14 7 14 14 14 10 9 3 3 2 2 2 2 1 0 1 4 4 2 10 7 28| 6 3 13 6 11 21 24 23 15 2 4 1 2 1 1 2 0 1 1 4 6 6 15 10 29|15 10 8 12 14 11 28 20 11 %9 %3 6 2 1 1 1 1 0 0 1 1 5 7 8 30| 7 7 5 8 10 21 11 21 15 10 12 2 5 3 7 4 6 6 3 1 4 5 7 10 ---+----------------------------------------------------------------------- Apr|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 Apr|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| 1 03| 1 04| 05| 06| 1 1 07| 08| 09| 1 1 10| 11| 12| 1 13| 14| 15| 1 16| 1 17| 1 18| 19| 20| 1 21| 1 1 1 1 1 22| 1 2 1 23| 24| 1 25| 1 26| 1 1 27| 28| 1 29| 1 1 30| 1 ---+----------------------------------------------------------------------- Apr|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 : 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 Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+----------------------------------------------------------------------- 01| 3 14 4 8 6 7 10 5 %4 NS NS NS 2 3 2 4 1 3 2 5 7 7 4 12 02|12 7 20 16 19 19 22 18 17 11 12 11 16 11 7 7 3 0 1 1 2 8 8 5 03| 2 7 11 8 4 9 2 1 6 5 NS NS NS %2 7 5 5 1 3 4 6 5 7 5 04| 6 9 17 16 14 14 11 12 8 9 8 13 17 16 5 2 3 2 5 4 5 5 10 12 05|14 13 18 14 12 14 26 19 11 8 NS NS NS 6 3 4 NS NS NS 4 5 6 11%11 06|14 22 18 11 16 13 19 9 21 7 NS NS 9 5 0 1 3 3 5 6 6 9 3 12 07|15 11 19 17 16 16 18 13 13 10 NS NS NS 3 1 3 1 0 0 5 0 4 8 13 08|13 10 14 11 7 7 11 24 22 12 22 13 7 1 4 4 0 2 4 1 1 4 4 9 09|12 13 8 5 6 8 6 5 3 %8 NS NS 6 NS NS 2 8 2 1 1 1 3 2 6 10| 2 3 10 7 13 11 8 1 1 4 0 NS 2 8 NS 1 NS 3 3 3 4 8 13 %8 11|10 9 13 17 7 16 9 13 7 4 10 10 NS %0 4 4 2 0 0 3 2 2 7 9 12| 4 5 8 8 5 4 5 4 8 NS NS NS 6 3 2 1 0 1 6 2 3 5 5 8 13| 4 12 7 8 10 8 13 7 6 6 10 7 7 7 2 4 2 3 2 4 4 7 6 14 14|11 12 11 14 10 11 9 15 8 7 5 9 11 3 5 5 3 4 2 5 14 7 11 11 15|13 20 17 16 11 22 14 15 12 6 5 10 NS NS NS NS NS NS 0 6 1 10 12%18 16|15 24 24 20 15 13 22 14 15 18 8 12 7 NS NS 3 2 4 0 11 5 6 9 13 17| 9 11 18 10 12 7 19 9 16 11 NS NS NS 6 3 1 1 NS NS NS NS 5 10 8 18| 7 15 16 11 11 11 16 10 NS NS NS NS NS NS NS 7 4 2 1 4 8 8 8 17 19| 5 17 11 13 13 9 9 16 9 15 12 9 7 20 9 4 2 5 2 5 10 8 14 16 20|27 25 20 18 14 17 11 19 14 14 14 15 8 11 11 6 0 5 %2 NS%10 17 12 %6 21| 7 9 0 9 17 13 5 NS NS NS NS NS 4 11 11 6 6 4 1 4 7 10 13 18 22|19 19 21 14 22 22 16 18 14 17 6 4 4 13 8 1 NS NS 3 2 4 8 11 11 23|17 20 12 12 18 11 17 22 27 13 8 13 9 17 10 7 2 2 2 3 8 18 15 12 24|13 5 13 13 6 4 5 6 2 11 7 8 3 NS NS NS 0 0 2 0 2 6 9 4 25|12 13 12 10 12 12 4 6 4 5 10 4 1 NS NS 1 2 0 3 2 4 6 14%14 26|16 16 15 21 6 15 15 18 %9 NS NS%20%12 NS NS NS 2 3 3 0 6 7 2 12 27|14 28 17 11 15 15 17 13 13 11 17 17 17 11 12 4 6 5 4 2 8 12 11 13 28|14 8 12 8 9 5 7 8 3 9 9 16 10 11 6 5 5 2 5 6 3 12 6 6 29|14 11 10 15 11 14 11 11 9 11 NS NS NS NS NS NS NS NS %2 1 2 12 12 8 30|14 24 20 16 18 15 16 20 25 10 9 5 NS NS NS 8 %3 -- -- -- -- -- -- -- ---+----------------------------------------------------------------------- Apr|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 Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+----------------------------------------------------------------------- 01| 1 02| 2 1 03| 1 04| 1 1 05| 06| 1 07| 1 08| 09| 1 10| 11| 1 12| 13| 14| 1 1 15| 16| 1 1 17| 18| 19| 1 1 1 20| 1 21| 1 1 22| 2 1 1 1 1 1 1 23| 1 1 1 1 2 24| 1 25| 1 26| 27| 1 28| 1 29| 1 1 30| 1 1 1 1 ---+----------------------------------------------------------------------- Apr|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 : 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 (4el.) Receiver: ICOM IC-726 Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) Total number of echoes Apr|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|47 39 36 37 38 47 47 55 64 52 37 20 33 25 34 20 18 18 15 22 19 28 47 34 02|35 31 40 38 49 43 64 54 56 60 31 19 25 22 25 24 NS -- 11 9 NS NS NS NS 03|38 36 23 41 44 45 62 58 76 57 49 24 28%30%26 25 17 7 12 22 24 26 31 41 04|36 40 40 34 29 43 61%80 70 68 39 36%26 34 24 17 18 %8 18 16 25 28%34 NS 05|44 27 44 36 45 44%61%50 48 52 48 29 20 22 21 16 12 10 12 15 23 38 33 31 06|30 37 36 43 37 47 46 60 50 40%35%23 12 20 25 24 12 10 17 13 17 31 56 38 07|34 27 27 28 28 42 43 58 48 34 36 38 17 21 18 21 9 10 12 9 18 19 41 49 08|39 48 43 41 44 44 61 66 68 57 36 29 26 31 21 15 11 14 14 12 27 28 36 36 09|27 40 38 36 34 56%39 50 64 53 33 33 24 17 19 16 13 12 9 16 20 33 27 51 10|34 39 33 50 60 46 63 54 49 50 35 22 26 26 19 11 14 12 13 9 33 36 33 48 11|37 35%37 39 36 54 60 65 66 55 47 33 22 22 32%25 -- --%11 21 16 24 50 34 12|34 38 35 27%45 NS%62 50 67 47 34 27 22%22 29 22 13 8 10 12 12 19 39 34 13|23 27 NS NS NS 49 NS 47 49 49%38%22 22 30 22 21 14 8 12 19 12 20 40 39 14|40 40%33 NS NS NS NS 70 51 48 37 33 19%33 41 25 17 15 5 9 12 38 46 34 15|42 35 25 42 52 49 55 64 55 45 38 32 32 29 23 28 19 9 9 9 27 37 44 49 16|38 37 42 43%49 62%62 59 79 65 42 34 26 24 28 30 18 9 9 16 20 38 44 52 17|46 45 43 33%23 NS%59 43 47 46 33 24 28 28 34 23 24 16 12 18 25 43 48 47 18|44 27%34 43 49 69 65 75 61 49 32 30 25 22 21 22 15 15 9 8 23 35 39 37 19|50 36 33 47 37 53 80 53 52 37 41 29 23 33 32 24 20 12 9 8 15 24 34 33 20|38 41 20 37 49 74 72 71 62 60 47 19 31 25 29 22 11 9 15 14 19 32 52 46 21|49 54%34 NS NS 53%68 70 78 38 39 23 28 33 40 34 10 18 16 24 24 35 48 48 22|64 42 56 NS NS NS NS 76%58 NS NS 23 28 39 29 NS 14 13 16 13 25 22 42%56 23|NS NS NS NS NS NS NS%71 72 50 34 37 20 38 27 31 26%23 NS NS NS 23 44%35 24|NS%42 31 48 50 53%64%74 62 40 35 27 22 31 27 23 19%12 NS NS%26 45%43 NS 25|NS NS 43 43 70 65%42%71 60 52 31 24 28 34 35 26 15 9 16 9 14 27 33 NS 26|NS NS NS NS NS%72%72 79 83 80 34 40 38 37 31 31 20 12 14 18 22 41 36 55 27|43 40%50 NS%73%66 NS 48 63 57 NS NS NS 31 38 30 16 14%12 14 24 28 50 40 28|27%33 NS NS NS 67%76 66 61 68 34 17 13 30 32 22 23%18 11 18 18 36 49%36 29|NS NS NS NS NS NS NS104 51 52 50 26 33 48 38 43 19 6 18 9 26 33 52 39 30|54 52 54 53 90 76 88 76 73 50 43 NS NS NS%47 26 20 14 12 18%14%33 44 45 ---+----------------------------------------------------------------------- Apr|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 Apr|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23JST ---+----------------------------------------------------------------------- 01| 02| 1 1 1 1 1 03| 3 2 04| 05| 1 06| 1 1 07| 1 1 2 08| 1 09| 1 1 1 1 10| 1 1 1 11| 4 1 12| 1 1 1 1 13| 1 14| 1 15| 1 1 1 1 16| 4 1 1 1 1 1 17| 2 1 18| 2 1 19| 2 1 20| 1 1 2 1 21| 1 2 4 1 1 22| 2 3 2 3 1 1 1 23| 1 1 24| 1 1 1 25| 2 1 1 1 26| 1 1 27| 2 28| 1 29| 1 1 30| 2 1 1 1 ---+----------------------------------------------------------------------- Apr|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 : 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: ICOM IC-R75 Method : by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Apr|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|24 21 30 45 27 39 54 50 62 55 38 25 28%25 11%12 9 4 5 12 21 25 32 35 02|54 42 39 55 42 53 55 46 56 49 35 21 9%11 8 3 2 5 8 7 14 11 22 25 03|14 22 24 34 26 36 37 51 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 04|-- -- -- -- -- -- -- --%59 64%48 NS NS NS NS NS NS NS 13 16 14 29 24 37 05|42 31 45 49 36 50 65 38 69 NS NS NS NS NS NS NS%14%11 8 8 17 30 42 33 06|37 40 40 35%32 NS NS%46 43 65 46 27 26 18 14 15 NS %8 6 9 16 27 46 47 07|45 28 38 42 51 48 55 72 57 61 39%24%19%15%18%16 10 14 15 17 16 34%45 52 08|61 54 49 33%53 56 64%86 45%49 NS%36 NS%20 19%16 13 10 9 8 18 23 38 40 09%52 46 39 43 36 NS NS NS%82%65%37 22%20 16 12%12 %9%12%16 11 20 22%40 54 10|48 39 51 42 42 54 59%53 NS%56 NS%28%22%25%18%12%14 11 10 5 16 26 38 47 11|51 46 36 51 42 66 62 64 62%74 NS NS NS NS NS NS%21 15 11 16 21 43 34 49 12|53 38 46 53 50 52 68 72 62%40 29 25 20 14 15%18 14 5 7 10 14%24%34 29 13|42 40 48 38 48 56 64 70 78 65 40 NS NS NS NS NS NS NS NS NS NS NS NS NS 14|43 43 46 34 53 52 73 74 71%49 38 20 25 16%16 NS NS NS%10 9 19 26 33 33 15|61 43 44 47 51 65 72 NS NS NS NS NS NS NS NS%12 NS 10 13 7 17 23 35 49 16|47 57 34 52 50 52%54 81%66 NS NS NS NS%11%17 NS%13 7 %9 12 21 36 48 37 17|56 54 52 50 57 57 64 60 47%45%39 18 15 19 24%10 16 10 %6 9 14%32 38 49 18|57 46 51 42 42 60 65 86 66 55 42 24 18%16 19 13 7 9 14 16 15 30 35 57 19|47 36 48 49 53 63 75 71 67%69%36 25 19 14 15 10%10 9 6 10 16 22 37 52 20|50 51 43 44 46 67 80 83%65 47%29%29 26 14 12 12 17 %6 15 13%18%32%24%53 21|50 33 40 44 45 50 75 78 81%60 NS 25 10 25 15 16 8 10 8 13 20 40 46 59 22|55 75106%53 54 84 97 75107 NS%44 20%16 14%29 8 12 9 11 8 15%23 NS 53 23|53 55 41 50 51 69 58 91 61 56%34 NS NS NS NS%14%14 8 12 8 16 35 42 45 24|49 41 49 49 53 70 83 85 73%60 NS 20 24 NS%20 NS NS NS 13 22 22 24%47 58 25%41 48 48 36 70 70 74 78 60%78 50%23 13%15 13 10 9%12%14 15 19 26 43 54 26|43 58 56 45 49 91 74 74 62%49 NS NS NS NS NS NS NS NS%14 16 24 24 29 48 27|43 47 56 55 68 79 71 95 79%66%41 NS NS NS NS%24%27 9 20 27 23 27 41 57 28|53 34 43 28 54 72 75%72 82 NS NS NS NS%26%23 14 15 16 11 12%25 33 30 38 29|47 53 45 58 69 74 82132 84%40 NS NS NS%26 NS NS NS 6 7 5 30 17 36 45 30|49 60 45 54 66 76 73 82 57 NS NS NS NS 29 22%17%15 NS NS NS 11 31 32%48 ---+----------------------------------------------------------------------- Apr|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 Apr|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| 2 04| 1 05| 1 06| 1 07| 1 08| 1 1 1 09| 1 1 10| 1 11| 1 2 1 12| 4 1 1 13| 1 14| 2 1 15| 1 1 1 16| 1 1 1 17| 18| 1 1 1 19| 2 1 1 1 20| 1 1 1 21| 1 1 1 1 1 1 22| 1 5 1 1 1 1 1 1 23| 1 1 2 2 2 24| 1 1 25| 1 1 1 1 26| 1 1 1 1 1 27| 2 1 28| 1 29| 2 1 30| 1 1 ---+----------------------------------------------------------------------- Apr|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: Kawaguchi Science Museum [Masahiko Matsuda] Location: Kawaguchi, Saitama,Japan(139.72E, 35.82N) 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 : 5el-Yagi (15m height) direction 270+ALA-(WEST) Receiver: Yaesu FT-680 Method: by using HROFFT software (by Kazuhiko Ohkawa), manual count using HROview and HROreport (by Michinari Yamamoto) -- Total number of echoes -- Apr|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| 8 6 7 6 1 7 7 3 7 2 5 0 0 2 0 1 1 0 1 1 5 3 7 6 02| 5 5 3 5 3 2 9 0 6 4 4 1 3 1 1 0 2 0 2 0 1 5 4 4 03| 3 8 7 4 4 5 8 12 14 13 3 1 3 4 3 0 4 0 3 2 4 2 5 6 04| 5 12 4 6 9 4 7 7 6 5 4 2 1 1 1 1 1 1 7 3 1 4 6 6 05| 8 5 4 4 3 4 15 6 5 7 3 4 1 5 %2 1 3 1 1 2 5 4 11 4 06|12 5 6 3 5 6 3 6 11 3 %4 %2 6 3 0 3 2 2 1 1 0 7 2 5 07| 3 7 1 4 7 12 12 7 13 6 4 6 2 1 2 3 1 1 1 3 0 5 6%12 08| 8 5 6 5 7 5 15 9 8 5 5 %4 5 1 2 3 3 0 4 1 7 5 4 4 09| 4 6 4 4 8 8 5 6 11 7 6 1 3 3 1 3 2 2 0 0 0 7 2 6 10| 2 3 8 6 12 9 7 7 9 6 2 2 4 2 4 2 1 1 1 3 2 3 3 4 11| 5 5 3 8 7 7 4 5 7 6 6 4 3 3 2 4 1 2 1 3 5 4 7 8 12| 8 2 7 5 9 6 7 10 6 4 5 1 6 4 0 3 2 3 3 3 2 6 4 1 13| 5 4 11 6 2 7 10 11 9 4 1 0 5 1 0 0 2 4 2 0 3 3 6 5 14| 5 3 3 5 5 9 6 7 6 9 5 2 3 3 6 2 1 4 0 1 4 5 3 5 15| 4 1 7 9 4 6 4 4 2 5 4 3 2 2 1 5 3 1 2 3 2 0 2 5 16| 6 8 6 7 7 6 13 7 8 7 6 7 0 0 4 2 0 NS %0 6 3 %8 3 7 17| 3 2 3 2 4 5 4 5 6 5 1 2 3 1 1 2 0 1 6 2 1 6 5 11 18| 4 3 4 9 8 5 9 4 6 3 1 5 1 2 2 3 3 2 2 1 6 4 7 5 19| 3 3 4 5 7 1 7 9 4 6 5 1 2 4 1 1 4 1 3 3 9 6 7 2 20|10 6 5 3 8 3 4 7 5 9 6 0 3 0 0 4 0 1 3 5 8 6 6 3 21| 9 9 4 5 4 5 9 8 2 7 3 5 2 4 2 1 2 1 1 1 2 6 5 5 22| 8 11 25 8 5 11 7 9 3 8 5 3 1 2 1 4 0 3 2 2 2 4 6 10 23| 9 11 7 6 7 10 6 13 7 2 3 3 2 2 1 1 5 0 2 4 3 7 8 5 24| 5 10 12 9 4 8 11 5 8 4 5 0 3 1 0 1 0 0 0 3 1 4 5 10 25| 7 4 5 9 8 8 10 7 6 6 4 3 1 3 1 0 3 2 2 2 3 6 7 7 26| 2 4 9 11 8 9 13 5 6 4 8 7 2 1 3 2 3 1 2 0 5 3 4 7 27| 3 9 9 4 6 12 5 6 7 4 3 3 6 2 4 0 0 3 2 6 2 7 4 8 28| 3 5 4 6 6 5 14 17 8%12 2 1 7 1 3 0 2 1 3 5 2 8 4 3 29| 8 3 6 11 7 11 7 8 4 2 4 1 3 1 1 2 2 2 2 1 0 7 4 1 30|11 9 7 7 6 8 10 10 8 7 6 4 7 3 2 4 1 2 4 0 6 2 3 3 ---+----------------------------------------------------------------------- Apr|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 Apr|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| 1 1 03| 1 04| 05| 06| 07| 08| 09| 10| 1 1 1 1 11| 1 12| 1 1 13| 14| 15| 16| 17| 18| 19| 1 20| 1 21| 1 22| 1 23| 1 1 1 1 24| 1 1 25| 1 26| 27| 28| 1 29| 1 1 30| 1 1 ---+----------------------------------------------------------------------- Apr|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 ----------------------------------------------------------------------------- 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 2004.05.05