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181. LF: Re: DominoEX Olivia 8x250 (score: 1)
Author: "James Moritz" <[email protected]>
Date: Sat, 10 Jan 2009 22:12:43 +0100
Dear Graham, LF Group, Still getting patchy copy with both Olivia and Domino EX11. The power levels seem to have dropped abruptly and then returned at least twice during the course of your test. Ther
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00644.html (11,148 bytes)

182. Re: LF: WSPR - G0NBD (score: 1)
Author: "James Moritz" <[email protected]>
Date: Thu, 29 Jan 2009 15:17:59 +0100
Dear Johan, Graham, LF Group, If the shorter frame length is due to a sample rate error, there should also be a corresponding upward shift in the audio output frequencies. If we take M0LMH's figure o
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00663.html (11,448 bytes)

183. LF: Re: 136kHz activity (score: 1)
Author: "James Moritz" <[email protected]>
Date: Sun, 25 Jan 2009 17:33:41 +0100
Dear Mike, LF Group, Worked F4DTL this morning in DFCW - also copied, but missed F6BWO. No sign of OE5EEP here either, though I did see a very weak trace around 137.7 of something that might have bee
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00686.html (9,155 bytes)

184. LF: Re: 136kHz test from OH1LSQ (score: 1)
Author: "James Moritz" <[email protected]>
Date: Fri, 16 Jan 2009 22:44:30 +0100
Dear Dave, Paul-Henrik, It could well be due to the increasing level of sidebands from Lakihegy, and associated Luxembourg effect noises. The attachment shows OH1LSQ mostly received on a N-S oriented
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00688.html (12,649 bytes)

185. LF: Re: wspr more (score: 1)
Author: "James Moritz" <[email protected]>
Date: Mon, 26 Jan 2009 21:51:34 +0100
Dear Mal, LF Group, MOBMU now 192800 9 -13 0.2 -182 0 m0bmu 1091 30 Jim is this what u expect mal/g3kev Well, nearly - if the -182 is in the "DF" column, it would seem your RX is set 182Hz too high.
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00694.html (9,151 bytes)

186. Re: LF: 136kHz test from OH1LSQ (score: 1)
Author: "James Moritz" <[email protected]>
Date: Fri, 16 Jan 2009 19:10:48 +0100
Dear Paul - Henrik, On the spectrogram I am seeing what could be very weak CW near to 136.400kHz, but there are several Loran lines close to this frequency, so it is a bit hard to tell. The spectrum
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00702.html (11,310 bytes)

187. Re: LF: WSPR Beacon 503.5 tonight (score: 1)
Author: "James Moritz" <[email protected]>
Date: Thu, 08 Jan 2009 23:13:30 +0100
Dear LF Group, The beacon is now up & running. I see there are 4 spots already on the WSPR database. That was quick! There is noticeably more QRN tonight, so it will be interesting to see what happen
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00728.html (11,596 bytes)

188. Re: 136khz WSPR and Loran notching (score: 1)
Author: "James Moritz" <[email protected]>
Date: Fri, 16 Jan 2009 00:55:23 +0100
Dear All, M0BMU is now QRV overnight on WSPR 136.0kHz dial, 137.504kHz RF out. I shifted my TX frequency up by 4Hz to see if that is an improvement w.r.t. Loran. Any reports very welcome. Cheers, Jim
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00733.html (8,997 bytes)

189. LF: Re: PSK CONTACT G4JNT - M0BMU (score: 1)
Author: "James Moritz" <[email protected]>
Date: Sun, 18 Jan 2009 17:38:23 +0100
Dear Andy, Dennis, LF Group, Thanks for the PSK31 QSO and reports; it was nice to have signals that weren't down in the noise for once! I heard Andy testing and thought I would give it a try. I did s
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00737.html (10,776 bytes)

190. Re: LF: WSPR Beacon 503.5 tonight (score: 1)
Author: "James Moritz" <[email protected]>
Date: Wed, 07 Jan 2009 22:20:18 +0100
Dear Nicolas, LF Group, Unfortunately not much chance of copying you here, due to very large "rustly bolt" (oh no not that again...) intermods from the local AM broacast stations at my QTH. Cheers, J
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00742.html (11,309 bytes)

191. LF: WSPR Beacon on 137.500kHz (score: 1)
Author: "James Moritz" <[email protected]>
Date: Sat, 17 Jan 2009 00:14:46 +0100
Dear LF Group, Am now running the WSPR beacon again on 136.0kHz "dial frequency", 137.500kHz RF out, 33% TX. I have temporarily raised the centre of the span of my antenna up to 15m (return of the ch
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00765.html (9,682 bytes)

192. LF: WSPR Beacon on 503.5kHz (score: 1)
Author: "James Moritz" <[email protected]>
Date: Sat, 24 Jan 2009 22:24:56 +0100
Dear LF Group, The M0BMU WSPR beacon is now running on 503.5kHz again, hopefully continuing overnight. Any reports would be very welcome. Cheers, Jim Moritz 73 de M0BMU
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00780.html (9,513 bytes)

193. LF: RE: WSPR Distance (score: 1)
Author: "James Moritz" <[email protected]>
Date: Sat, 31 Jan 2009 12:22:13 +0100
Dear Rik, Lee, LF Group, There are 2 database pages; the "old" and "new" format. You can get to the "old" from the link at the bottom of the "new" database. The Old database displays distance in mile
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00785.html (12,501 bytes)

194. Re: LF: Re: 137 kHz WSPR tests (score: 1)
Author: "James Moritz" <[email protected]>
Date: Sun, 18 Jan 2009 11:50:15 +0100
Dear John, Just put the TX back on for a few mins... Cheers, Jim Moritz 73 de M0BMU Just need some WSPR transmissions to decode, to prove the theory. The grabber image, updated every 5 minutes, is he
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00807.html (11,374 bytes)

195. Re: LF: WSPR beacon on 136kHz (score: 1)
Author: "James Moritz" <[email protected]>
Date: Tue, 13 Jan 2009 18:47:08 +0100
Dear John, Can do, if you like... will need to wait until about 2000utc while I sort out some other things. Is that OK? Cheers, Jim Moritz 73 de M0BMU Jim, LF, Are you, or any others, going to run WS
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00808.html (12,450 bytes)

196. LF: Re: WSPR 503.5 (score: 1)
Author: "James Moritz" <[email protected]>
Date: Sun, 25 Jan 2009 12:51:32 +0100
Dear LF Group The M0BMU WSPR Beacon went QRT at about 1000utc - thanks for all the reports. Best DX of the night was of course from WD2XSH/17 at 5245km, according to my software - thanks, Dave. Also
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00813.html (10,353 bytes)

197. LF: Re: 136kHz test from OH1LSQ (score: 1)
Author: "James Moritz" <[email protected]>
Date: Fri, 16 Jan 2009 20:27:23 +0100
Dear Paul-Henrik, LF Group, It would appear you have QSY'd to 136.35kHz at around 1914utc... Still "O" copy in QRSS3 terms. Cheers, Jim Moritz 73 de M0BMU
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00823.html (11,090 bytes)

198. LF: Re: 136khz WSPR (score: 1)
Author: "James Moritz" <[email protected]>
Date: Thu, 15 Jan 2009 15:41:10 +0100
Dear Jay, Vernon, LF Group, Jay - Thanks for looking - I can see that could be the problem! The WSPR signal has a bandwidth of around 6Hz, so the problem is finding that much of a gap between lines.
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00840.html (12,914 bytes)

199. Re: LF: PSK CONTACT G4JNT - M0BMU (score: 1)
Author: "James Moritz" <[email protected]>
Date: Sun, 18 Jan 2009 22:26:32 +0100
full acknowledgement each way so at least 96 bits need to be exchanged. If no further overhead is used, the QSO could therefore be completed in four days. ...But all this has been done before Andy, a
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00861.html (11,943 bytes)

200. LF: Re: WSPR 503.5 (score: 1)
Author: "James Moritz" <[email protected]>
Date: Sun, 25 Jan 2009 17:18:29 +0100
Dear LF Group, I have re-started the WSPR beacon on 503.5kHz (502kHz "dial frequency"). All reports will be very welcome. G4JNT is still QRV - solid copy here of course, with SNR plus a few dB. Cheer
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00870.html (10,358 bytes)


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