Radio Meteor Observation in Japan No.009 July. 2002 ( http://homepage2.nifty.com/~baron/ ) ----------------------------------------------------------------------------- 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, 25.9 N) Ham beacon (JA9YDB) for RMO (50W CW, 53.7500 MHz) by JA9BOH Kimio Maegawa. No modulation except for identification Antenna : Hentenna Receiver : STANDARD VR-500 Method : by using HROFFT software (by Mr.Kazuhiko Ohkawa) and manual count - all echoes - Jul|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 JST Jul|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+----------------------------------------------------------------------- 01|22 18 23 20 24 29 39 28 21 16 10 16 13 NS NS NS NS \8 8 9 17 16 18 20 02|17 22 22 22 24 29 26 25 25 21 9 16\12 NS NS NS NS NS 6 8 10 19 12 27 03|17 18 16 16 24 29 21 18 20 13 14 NS NS NS\14 9 13 9 5 6 8 26 23 21 04|20 16 30 29 19 24 22 24 18 12 15 8 14 8 15 8 9\11 6 8 11 16 17 19 05|17 22 17 32 35 32 27 18 24 14 15 10\14 NS NS\17 7 10 5 3 13 16 26 31 06|21 21 21 24 23 19 25 17\15 15 10 7 13\10 13 10 NS NS NS NS NS NS 17 15 07|21 14 18 22 30 31 23 15 15\10\19\14 \9 9 10\11 \6 \6 7 9 13 14 28 22 08|18 25 25 26 20 32 21 26 20 18 \5\33 9 7 11 14 6 4 9 9 12 19 23 17 09|17 10 20 27 15 27 25 19 20 10 9 12 9 10 12 13 12 8 5 6 15 18 18 15 10|27 12 25 19 32 27 26 18\20 16 14 8 13 4 14 10 8 \9 IF IF IF\14\19 19 11|18 32 17 19 35 22 17 16 17 22 15 17 \8 \9 13 10 7 NS\12 8 10 14 29 19 12|15 14 23 23 24 20 21 22 16 21 12 9 8 \7 NS NS \7 10 5 12 10 21 16 19 13| 9 16 24 23 27 24 19 12 18 10 15 12 10 6 5 13 6 8 7 4 13 15 16 14 14|20 20 18 16 19 25 30 18\17 14 10 8 13 7 11 \5 NS \5 \6 6 10 8 13 17 15|25 14 17 24 24 33 21 24 17 14 13 8\16 \0\12 12 7 15 7 4 16 16 18 17 16|24 19 23 24 23 13 19 20 \9\12 \9 NS NS NS NS NS NS NS NS NS 11 7 8 21 17|22 17 NS 26 25\16\25 25 12 \9 12 14 9 13 9 12 13 \7 6 9 10 20 20 17 18|22 20 15 18 33 19 18\13 NS NS\13 10 17 3 7 10 \6 10 11 16 13 18 16 27 19|25 19 20 21 29 35 20 21 19 18 11\12 NS\11 \7 \9 10 5 8 13 2 12 20 23 20|26 18 21 15 25 20 29\17\14 NS NS NS NS \6 7 15\17 9 11 6 13 14 22 26 21|17 18 18 34 38 23 20 22\14 NS\16 NS NS\14\15 11 \6 12 7 7 11 23 30 25 22|24 26 20 25 23 28 26 19 17\17 NS NS NS \4 NS NS \7 6 10 6 10 17 18 24 23|22 25 29 25 35 21 21 25 15 4\12 NS NS NS \8 NS \6\10 8 10 16 13 29 34 24|34 23 26 26 33 31 20 21 NS NS NS NS NS\16 NS NS \4 \7 14 17 NS\23 22 35 25|28 28 28 24 34 22\34 NS NS NS NS NS NS NS\11 9 7 \8 \6 \5 17\13\29\47 26\23 37 NS\45\29\31 27\31 NS NS NS NS NS NS NS NS NS NS NS NS NS\16\22\40 27|49 26 26 20 39 28 25\21 NS NS\16 NS NS NS NS NS NS \5 4 5 7 18 15 30 28|33 22 30 37 36 37 25 15 16 17 9 9 \8 NS\10 NS NS NS 2 5 8 10 26 38 29|37 32 41 32 38 35 23 17 9\10 10 \8 \9 10 4\12 \7 13 2 9 11 23 42 44 30|38 41 31 29 41 31 36 18 14 11 10 10 14 11\12\10\13 10 13 9 11 24 30 43 31|40 27 38 30 40 24 21 19 10 14 12 \4 8 \8\10\13 \6 \9 \9 13 12 17 30 41 ---+----------------------------------------------------------------------- Jul|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 JST Jul|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT - Long echoes (more than 20sec.) Jul|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 JST Jul|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+----------------------------------------------------------------------- 01| 1 1 1 02| 1 1 03| 1 04| 1 2 05| 1 06| 1 1 07| 1 1 08| 09| 2 1 1 10| 1 11| 1 1 12| 1 13| 14| 1 15| 1 16| 17| 1 18| 1 19| 1 1 20| 1 1 1 21| 1 1 22| 1 1 23| 1 1 1 1 24| 1 1 1 25| 26| 1 1 27| 1 28| 1 1 1 29| 1 1 1 1 1 30| 2 1 1 31| 1 1 1 1 ---+----------------------------------------------------------------------- Jul|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 JST Jul|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 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 : Minoru Ehara Location : Sayama, Saitama, 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) Counting method: manual count - all echoes - Jul|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 JST Jul|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+----------------------------------------------------------------------- 01|11 17 23 14 11\15 -- -- -- -- -- -- -- -- -- -- -- -- NS 4 4 8 11 17 02|17 21 19 14 20 20 25 17 21 29\14\12\16 \7 14 11 8 \4 2 -- -- -- -- -- 03|-- -- -- -- -- -- -- -- -- -- -- NS 11 13\18 12 4 3 3 \7 7 8 13 12 04|12 11 11 20 11\22 8 17 15 13\10 11\11 \7 \7 \8 NS NS 3 6 7 10 05|10 17 14 14 13 10\12 -- -- --\14 6 11 11 \4 11 \6 5 3 5 6 7 9 12 06|14 12 13 21 22 16 19 16 13\18 13 \3 IF NS \4 IF NS NS NS \9 2 6 11 13 07|12\14 20 17 18 18 26 16 14\14\12 NS NS\10 NS 3 \3 10 2 6 10 12 9 8 08|17 16 10 15 11 16 27 17 18 13 14 6 11\12 12 6 7 4 4 6 2 6 12 14 09|20 11 19 16\23 23 19 19 17 12 13 7\12 \8 7 6 \4 \0 -- -- --\14 11 -- 10|20 10 11 15 15 18 19 8 16 6 6 6 7 5 9 5 3 2 3 3 4 9 \8 6 11| 8 \7 8 15 15 14 20 15 14 9 8\11 \4 11 10 6 7 7 4 \5 5 6 13 9 12|19 19 24 12 14 18 14 16\12 \4 \4 \6 \2 NS NS NS 3 \4 5 3 12 11 12 8 13|12 9 10 19 19 14 11 14 6 7 5 8 5 7 4 6 0 5 \2 5 0 11 9 10 14|17 12 19 12 26 11 20 12 18 7 \5 NS NS \2 \4 NS \4 \7 NS NS \4 \5 14\18 15|15 8 15 10 11 18 22 15 19 20 9 5 \8 5 6 5 \6 4 3 4 \6 9 10 19 16|23 14 17 15 16 20 10 14 12 11 6 5 8 10 9 \7 \8 1 2 8 10 6 8 22 17|13 16 16 24 23 19 19 15 14 8 \7\16 \6 \7 2 \8 1 3 \5 \1 8 \8 6 7 18|12 17 16 13 15 14 14 10 10 11 12\11 \5 NS NS NS 7 \7 3 7 6 11 15 15 19|14 25 14 22 16 18 10 10 17\14 13 8 9 10 9 6 11 5 5 8 10 13 8 19 20|19 18 19 25 25 15 9 15 14 6 4 12 10 4 7 \4 NS NS IF\10 \5 9 7 19 21|21 18 20 22 22 20 8 14 8 10 3 7 6 5 8 6 \8 4 5 5 7 9 18 16 22|17 14 28 17 14 12 11 18 18 8 \8 5 \8 6 5 5 3 3 10 \5\12 12 15 14 23|31 20 20 13 21 18 19 15 13 10 2 7 11 6 6 7 4 2 3 6 10 \4 14 19 24|17 19 21 17 15 12 13 19 11 8 13 8 9 5 11 4 4 1 7 4 3 9 23 26 25|19 24 24 16 20 9 9 15 9 0 0 0 0 1 2 5 4 4 2 5 5 7 15 13 26|12 14 19 8 21 12 5 10 NS NS\12 6 10 3 2 3 3 1 1 5 9 6 22 18 27|28 23 29 16 19 19 10 10 5 9 7 7 3 9 7 3 2 3 6 7 9 20 31 35 28|36 31 19 25 30 18 25 7 13 11 8 7 3 5 10 3 7 5 7 4 6 9 22 26 29|37 40 28 40 30 31 21 21 9 7 6 1 9 6 4 3 \8 5 7 10 \7\22 33 29 30|37 30 28 25 26 24 14 17 11 9 6 10 \5 \6 4 3 \0 5 4 5 10 12 19 28 31|25 23 33 19 37 17 16 10 10 17 9 NS\10 \6 9 \8 4 \6 IF \6 9 12 25 28 ---+----------------------------------------------------------------------- Jul|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 JST Jul|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT - Long echoes (more than 20sec.) Jul|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 JST Jul|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+----------------------------------------------------------------------- 01| 1 1 02| 1 03| 1 1 04| 1 1 1 1 1 05| 1 1 06| 1 1 1 07| 08| 1 1 1 09| 10| 1 11| 2 1 12| 1 13| 1 14| 1 1 15| 1 2 1 16| 1 1 17| 1 1 18| 1 19| 1 2 20| 1 21| 1 1 22| 1 1 1 1 23| 2 1 1 24| 1 25| 1 26| 1 27| 1 1 28| 2 29| 1 30| 1 1 3 1 1 31| 1 1 1 1 1 ---+----------------------------------------------------------------------- Jul|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 JST Jul|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 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 : Takashi Usui Location : Itabashi, Tokyo, Japan (139.72 E, 35.75 N) Frequency: 53.750MHz 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 - all echoes - Jul|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 JST Jul|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+----------------------------------------------------------------------- 01| 1 1 1 3 2 6 3 1 3 1 1 0 1 1 0 0 0 1 0 1 0 1 2 0 02| 2 4 0 2 2 4 2 1 2 1 0 4 IF 0 1 2 0 1 0 0 0 3 0 1 03| 0 2 0 1 0 3 1 8 1 2 0 0 0 0 0 5 8 1 0 0 0 2 1 2 04| 0 0 1 2 1 2 1 1 0 1 0 ES 0 4 2 3 1 1 0 0 0 1 1 1 05|IF 2 3 0 3 0 2 2 4 3 1 0 0 2 1 1 IF 0 1 0 ES 0 6 0 06| 2 2 0 2 2 1 3 4 3 0 2 0 0 0 1 0 1 IF 1 0 0 0 0 3 07| 0 1 3 0 0 2 0 1 0 0 0 1 IF 2 0 IF 0 0 2 0 1 2 0 1 08| 1 2 9 1 1 1 1 0 2 1 1 0 0 1 1 1 2 IF 0 0 0 IF 1 0 09| 1 0 1 1 3 0 2 1 2 0 IF 0 0 IF IF IF IF 1 0 IF IF IF 1 3 10| 2 1 1 2 1 3 2 0 1 1 0 0 1 0 IF 2 IF IF IF IF IF 0 1 2 11| 0 1 2 IF 0 1 1 1 1 0 1 IF 0 IF IF IF IF IF 0 0 0 0 0 0 12| 0 1 1 1 2 IF 0 0 0 0 0 1 0 0\26? 0 0 IF 3 1 0 4 2 IF 13|IF IF IF 3 3 1 0 2 0 1 0 1 1 IF IF IF IF IF IF IF 0 3 0 3 14| 1 IF 2 0 1 0 2 0 2 IF 1 0 0 0 0 0 1 0 0 1 0 2 1 1 15| 0 1 2 1 2 2 2 1 4 0 4 0 1 IF 0 1 0 1 0 0 0 1 0 2 16| 2 0 1 4 2 2 0 1 1 2 1 IF IF 0 \0 9 ES? 1 0 2 0 1 1 0 17| 1 1 2 0 1 2 4 0 0 1 3 1 1 1 0 0 1 1 0 0 IF 2 0 IF 18|IF IF IF IF IF 9 0 1 1 IF 1 0 2 2 0 0 IF 0 0 0 0 1 IF 3 19| 0 0 1 7 1 IF IF 0 0 0 2 0 0 1 0 0 1 2 0 1 IF IF IF IF 20|IF 3 IF 0 2 2 1 0 0 1 0 1 0 IF 0 2 IF IF 1 1 IF 0 0 IF 21| 2 0 1 3 IF IF 3 0 1 0 0 1 1 0 0 0 IF IF 1 3 IF IF IF IF 22| 2 1 6 2 2 2 1 IF 5 0 0 IF IF IF IF IF IF 0 0 0 1 1 5 0 23| 5 8 1 3 0 4 0 0 IF IF IF IF IF IF IF IF IF 0 0 0 1 0 2 5 24| 3 IF IF IF IF 0 1 0 IF 1 IF IF IF IF IF IF IF 0 IF IF IF 0 1 3 25|IF IF IF IF IF IF IF 6 0 0 0 0 0 0 IF 1 3 0 IF IF IF IF IF IF 26| 1 IF IF IF IF 3 1 0 0 IF IF IF IF IF IF IF IF IF IF 0 IF 2 0 5 27| 2 4 IF IF IF IF IF 0 IF 1 0 IF IF IF IF IF IF IF 0 1 0 0 3 2 28|IF IF IF 3 4 0 4 1 1 0 5 0 1 0 2 1 4 1 0 0 0 IF IF IF 29| 4 6 0 9 IF IF 2 1 0 0 0 0 0 0 0 1 0 IF 0 3 0 4 1 \3 30|\0 3 2 1 1 3 15 0 1 2 0 1 IF IF 4 IF IF IF 0 1 IF IF IF IF 31|IF IF 4 3 2 0 0 IF IF IF IF IF IF IF IF IF IF IF 2 1 0 0 6 3 ---+----------------------------------------------------------------------- Jul|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 JST Jul|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT - Long echoes (more than 20sec.) Jul|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 JST Jul|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 UT ---+----------------------------------------------------------------------- 01| 02| 03| 04| 05| 06| 07| 08| 09| 10| 11| 12| 13| 14| 15| 16| 17| 18| 19| 20| 21| 22| 1 23| 1 24| 25| 26| 27| 28| 29| 30| 31| 1 ---+----------------------------------------------------------------------- Jul|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 JST Jul|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 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. 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 2002.08.07