Radio Meteor Observation in Japan No.011 September. 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), manual count - the number of all echoes - Sep|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Sep|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 ---+----------------------------------------------------------------------- 01\11 NS\18 18 17 17 20 14 14 11 \4 4 8 8 6 \7 \4 NS\11 7 12 9 9 15 02\11\13 21 20 9 23 20 14 11 NS \9 NS NS \9 NS \5 \7 \4 \5 8 7 6 12 12 03| 9 8 11 18 10 18 16 8 7 \8 \4 NS NS\13 NS NS\12 2 9 5 6 10 14 13 04| 6 12 14 15 13 17 10 21 11 6 \7 NS NS NS NS NS NS NS NS 15\16 13 12 10 05|13 13 9 12 21 11 18 9 8 NS NS NS NS NS NS NS NS \8 3 6 7 10 11 18 06|11 11 16 11 12 19 18 11 15 13 7\12 NS NS NS NS\18 \6 10 7 10 12 10 13 07|18 22 16 14 13 10 16 11 16 14 NS NS NS NS \4 \2 8 7 4 10 16 18 13 11 08|17 10 18 19 10 22 14 19\17\13 NS NS NS NS NS \6 NS \3 10\12 \5 NS\14 NS 09| 6 11 9 13 12 19 16\26 NS NS NS NS NS NS NS NS \7 5 NS NS\12 16 \5\14 10\15 14 21 14 10 16 20\14 NS NS NS NS NS NS NS NS NS NS \9 5 12 13 7 16 11\13\15 12 16 14 18 11\14\15 NS NS NS \8\15 NS NS NS NS\11 \9\11 17 15 12 12|11 9 7 15 24 17 19\14 NS NS\15 NS NS NS NS NS \9 \5 6 4 10 13 7 11 13| 9 15 10 10 12 14 18 22\12 NS NS NS NS NS NS NS NS NS NS 19\14 \7\14 13 14|17 13 21 17 18 19 12 20 20 11 NS\18 NS \8 \9 NS \3 10 7 9 14 12\14 NS 15|\9 9\13 20 19 13 13\22\11 \6 NS NS NS \5 10 7 7 4 8 2 11 6 \8 6 16|12 10 10 8 15 13 10 14\16 16 10 6 7 12 11 6 7 3 4 10 9 18 11 12 17| 6 14 10 12 18 25 15 14 22 9 7 14 5 4 4 1 3 3 4 5 11 7 11 14 18| 8 9 17 14 17 10 18 14 12 10 2 3 2 2 8 2 4 3 5 10 13 12 12 10 19|12 10 12 13 18 15 11 16 18 2 7 5 7 1 5 3 7 11 11 16 9 10 5 15 20|14 12 16 18 19 14 14 12 14 12 7 6 3 1 4 5 10 2 8 5 11 14 4 9 21| 9 8 12 14 11 19 17 14 11 5 3 2 2 1 \5 5 5 7 5 8 10 6 11 13 22| 9 4 15 8 10 16 12 15 20 6 8 8 6 7 1 6 5 2 4 7 11 9 3 3 23| 8 9 11 17 25 22 26 15 7 6 6 4 3 2 3 4 4 4 9 10 11 10 10 8 24|14 6 13 12 11 14 13 19 9 7 6 1 4 2 6 7 4 2 10 8 4 13 14 20 25|11 10 16 22 26 18 22 8 11 5 2 2 4 2 3 4 5 5 4 7 7 14 13 6 26| 9 11 14 21 16 16 13 23 14 10 11 4 7 10 9 9 2 7 4 4 9 9 8 9 27| 8 31 13 17 20 15 15 24 11 9 15 7 12 14 10 8 7 9 14 12 11 13 10 8 28| 7 17 14 10 22 24 24 24 17 8 15 7 3 11 9 3 8 11 8 15 14 15 13 12 29|11 6 17 20 17 24 12 17 25 13 10 7 10 8 9 3 7 6 9 15 17 18 9 11 30|11 6 12 12 14 19 21 17 17 12 9 10 2 5 10 4 3 9 7 6 16 8 12 7 ---+----------------------------------------------------------------------- Sep|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Sep|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 - the number of long echoes (>20s) - Sep|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Sep|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 ---+----------------------------------------------------------------------- 01| 1 1 02| 1 03| 1 04| 1 1 05| 1 1 06| 1 1 1 07| 08| 1 1 09| 1 10| 1 11| 12| 1 1 13| 1 14| 1 15| 16| 1 17| 1 18| 19| 20| 1 21| 22| 23| 1 1 24| 1 25| 26| 1 27| 28| 1 1 1 1 29| 30| ---+----------------------------------------------------------------------- Aug|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Aug|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 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 : Hironobu Shida Location : Akita, Akita, Japan (140.144 E, 39.718 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 : 5ele Receiver : ITEC HRO-RX1 Method : by using HROFFT software (by Mr.Kazuhiko Ohkawa) and manual count - the number of all echoes - Sep|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Sep|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 ---+----------------------------------------------------------------------- 14|-- -- -- -- -- -- -- \9 8 14 4 12 6 6 0 10 9 5 7 8 6 7 8 10 15| 9 9 16 9 11 14 -- -- -- -- 9 6 10 10 11 7 14 4 2 5 8 14 4 6 16| 6 5 11 16 14 7 11 10 11 11 11 9 5 9 10 7 6 7 6 3 3 7 12 9 17|15 13 11 12 25 13 13 12 26 20 14 12 3 17 12 13 12 13 4 1 4 5 10 11 18|12 5 8 14 15 21 9 13 18 8 10 6 16 5 6 3 \3 -- -- -- -- -- -- -- 19|-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 20|-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 21|-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 22|-- -- -- -- -- -- -- -- -- -- 7\18 9 10 21 10 4 \2 5 11 12 8 14 6 23|11 6 4 12 14 9 12 12 13 9 7 4 7 7 7 12 8 7 7 4 9 6 20 5 24|11 14 14 17 19 17 18 22 13 11 10 16 11 IF 16 IF IF 6 5 4 10 7 13 15 25| 8 11 15 21 13 22 8 15\26\14 \8\11 12 11 14 7 3 4 2 7 15 14 19 13 26| 7 12 12 16 14 19 13 8 16 16 16\12 8 19 9 15 15 13\11 7 10 11 15 17 27|10 9 18 28 21 15 12 12 8 17 8 15 20 11\14 16 14 14 12 8 8 17 18 11 28|11 8\11 26 15 10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---+----------------------------------------------------------------------- Sep|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Sep|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 - the number of long echoes (>20s) - Sep|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Sep|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 ---+----------------------------------------------------------------------- 14| 2 15| 1 1 1 16| 1 2 17| 1 1 18| 1 19| 20| 21| 22| 1 1 23| 1 1 24| 1 1 25| 1 1 1 26| 1 1 1 1 1 27| 1 1 28| ---+----------------------------------------------------------------------- Sep|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Sep|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 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 - the number of all echoes - Sep|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Sep|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 ---+----------------------------------------------------------------------- 01| 9 9 \8 13 8 11 8 8 6 10 NS \0 \8 NS NS NS 0 \6 2 5 \8\12 5 6 02|13 14 9 14 9 14 13 15 19 7 4 9\10\10 NS NS 3 3 6 \2 4\10 9 13 03|10 6 12 13\14 9 12 6 8 16 8 7 8 8 10 4 3 \8 1 5 \5 7 6 10 04|12 14 20 12 9 14 14 12 11 \8 9 11\11 13 3 3 \2 \6 3 8 \2 10 7 NS 05|16 13 12 13 16 11 11 9 7 13 11 12 9 5 5 9 7 \8 9 8 7 9 5 17 06|10\14 13 13 8 17 10 5 8 10 9 9 8 7 8 4 3 7 2 2 1 7 -- -- 07|-- -- -- -- -- -- -- -- -- NS 7 10 13 9 7 5 9 4 1 2 2 5 12 9 08| 6 11 5 14 10 11\10 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 09|-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 13 12 10 -- 10|18 17 22 13 16 15 10 5 7 8 9 13 12 13 14 8 5 8 7 4 5 5 10 9 11|13 19 19 16 13 13 6 12 11 8 17 6 6 8 3 5 7 8 3 4 3 11 8 9 12| 9 10 19 10 7 10 14 11 12 17 15 11\10 5 7 \9 5 2 3 \8 9 6 10 8 13|15 12 16 19 9 11 13 13 11 14 10 11 9 3 6 6 6 4 3 6 3 5 7 12 14|10 8 7 11 14 7 14 15 10 6\12\11 15 9 8 8 5 8 4 3 10 6 10 9 15|12 17 15 13 11 8 8 10\11\11 9 10 6 10 9 8 10 5 2 6 7 4 9 8 16|12 13 10 21 14 11 15 15 11 12 -- -- 11 8 10 7 0 6 4 5 4 8 8 5 17| 7 13 22 15 9 15 18 12 11 13 11 11 7 10 12 9 5 12 5 4 8 8 8 7 18|12 14 18 10 9 12 9 16 11 16 12 \6 NS NS \4 \4 NS NS 5 5 8 5 13 \4 19|10 12 10 14 14 10 10 14 10 14 10\11 NS NS -- -- -- NS \2 4 8 9 7 7 20| 9 14 13 11 16 11 8 13 17\14 16 8 NS NS NS NS NS NS NS 3 6 4 11 \7 21| 9 14 24 13 13 16 10 13 15 9 11 15 NS NS NS NS NS -- -- -- -- \8 5 9 22|18 11 10 9 13 10 9 8\10 10 10 14 9 7 16 6 4 4 4 7 5 8 5 6 23| 9 18 6 15 15 6 17 12 16 12 16 15 26 15 3 8 5 2 7 4 2 7 10\11 24|12 13 13 17 18 15 13 19 9 12 21 NS NS NS NS NS NS \5 5 9 11 7 11 12 25|21 5 20 15 14 9 9 11 14 11 NS NS NS NS NS NS \2 6 10 7 7\12 \5 11 26|12 9 16 31 10 20 8 15 12 15 16 22 14 12 16 8 \4 3 6 5 11 12 6 6 27|16 13 9 9 21 9 14 12 14 10 10 16 7 6 7 8 7 4 5 2 9 \8 10 9 28|15 18 11 14 12 11 10 9 11 17 11 12 13 14 5 10 5 2 3 4 8 5 4 8 29| 7 14 14 14 18 17 21 17 15 21 10 18 11 9 11 5 7 3 4 2 7 \8 5 17 30| 9 10 15 14 14 25 14 17 14 24 13 15 10 6 8 10 4 5 3 6 11 7 9 \0 ---+----------------------------------------------------------------------- Sep|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Sep|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 - the number of long echoes (>20s) - Sep|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Sep|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 ---+----------------------------------------------------------------------- 01| 1 1 02| 03| 04| 1 05| 1 1 1 1 06| 1 1 07| 08| 09| 1 10| 1 2 11| 1 1 12| 13| 14| 15| 16| 17| 1 1 18| 1 19| 20| 1 1 1 21| 22| 1 1 23| 1 24| 25| 26| 1 1 1 1 27| 1 28| 1 1 29| 1 1 30| 1 ---+----------------------------------------------------------------------- Sep|00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Sep|15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 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 2002.10.10