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  • LW & MW Propagation http://www.bbceng.info/additions/2016/No.%2010%20-%20Long-Wave%20And%20Medium-Wave%20Propogation.pdf
    g0nbd@... Sep 17
  • USA 136/477 Bands live as of 15 / 9 / 2017 Long time coming, but finally arrived , USA LF&MF Bands finally released for use. 135kHz and 472kHz, Released : Sep. 15th 2017 https://www.gpo.gov/fdsys/…/FR-2017-09-15/pdf/2017-19578.pdf FCC e-CFR §97.301 Authorized frequency bands https://www.ecfr.gov/cgi-bin/text-idx… 30 Day catch , The Rules are effective 9/15/17, but an extra 30...
    g0nbd@... Sep 16
  • LF & MF Antenna predictions https://downloads.bbc.co.uk/rd/pubs/reports/1975-01.pdf G,
    g0nbd@... Sep 16
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  • Its a long way to FRIENDSVILLE , and ELGIN USA 3939 & 3797 Miles respectively from Liverpool [UK} , with a little water in the path.. But it can be and has been done on 477 to KU4XR The question is , can it be done on 136 KHz ? May be this season ? 2E0ILY is best located on the west side of the UK , already a regular customer for N1BUG on 136 73-G. Monitor: KU4XR Loc EM75XR...
    g0nbd@... Sep 9
  • Hi Luis , The China call was added via the OPERA App as there where ONLY dynamic spots , Dynamic is a correlation process , where prototype data , in this case the encoded call sign , is continually compared to the recovered section of the band in two dimensions , frequency and time , wspr need only search in one-dimension 'frequency' as the time is externally locked, a much...
    g0nbd@... Sep 8
  • Rx time blocks , Tx was to the west , but how far west ? , 04:00 is the peak time for 1000 Miles at the moment . G, 2017-09-07 10:06:40 ET9TTC AA G3XDV IO91VT 0 136 -44 Op32__~44dB 2017-09-07 09:26:38 ET9TTC AA G3XDV IO91VT 0 136 -40 Op32__~40dB 2017-09-07 09:26:32 ET9TTC AA PA7EY JO22JJ 0 136 -42 Op32__~42dB 2017-09-07 08:46:39...
    g0nbd@... Sep 8
  • Hi Chris , well anything can happen ,) Local off air decode running ? same frequency as the dual spot later in the night , have you the web linked spots for the other station , if the audio frequency matched that would help .. who ever it was , putting out a good signal .. 73-G,
    g0nbd@... Sep 7
  • ...PA Which I would say puts the TX location , WEST in the land of the little people ? Q what was the audio frequency ? 73 Graham G0NBD G3XDV 2200m OPERA 5890 km 09:26:38 PA7EY 2200m OPERA 5677 km 09:26:32 LA3EQ 2200m OPERA 6113 km 05:26:33 PA0RDT 2200m OPERA 5668...
    g0nbd@... Sep 7
  • HB9G & F5ZAS on 70 cm F5ZAS F1RJ 70cm OPERA 704 km 17:19:30 HB9G F1RJ 70cm OPERA 423 km 17:07:15 HB9G F4FRQ 70cm OPERA 176 km 19:56:10 HB9G F8BXA 70cm OPERA 71 km 15:58:56 F5ZAS F6HTJ 70cm OPERA 65 km 19:18:02
    g0nbd@... Sep 6
  • F5ZAL reaching ON4 73-G, F5ZAL ON4KHG 2m OPERA 906 km 19:42:17 F5ZAL F4FRQ 2m OPERA 655 km 06:06:22 F5ZAL F5SN 2m OPERA 546 km 19:46:51 2017-09-06 19:54:20 F5ZAL AA ON4KHG JO10XO 0 144.475 -10 Op05_||||||||||||||||_~11dB 2017-09-06 19:52:49 F5ZAL AA ON4KHG JO10XO 0 144.475 -8 Op05_|||||||||||||||||_~8dB 2017-09-06 19:51:19 F5ZAL AA ON4KHG...
    g0nbd@... Sep 6