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181. David Gibson's lecture at Hidden Earth (was Re: LF: RE: DLF passive received with earth antenna) (score: 1): Author: John Rabson <[email protected]>; Date: Fri, 16 Jul 2010 08:25:18 +0200; Hi all, Hidden Earth is the UK annual caving conference. This year it will take place on 24-26 September in Leek, Staffordshire. Lectures are scheduled for Saturday 25th. See http://hidden-earth.org.; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-07/msg00429.html (14,859 bytes)
182. Correction: Re: LF: David Gibson on Earth antennas and propagation below 9 kHz (score: 1): Author: John Rabson <[email protected]>; Date: Tue, 27 Jul 2010 18:49:50 +0200; Should have read : open.short circuit. New dictation software and I forgot to proofread it. Sorry.; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-07/msg00446.html (10,148 bytes)
183. Re: LF: SAQ (score: 1): Author: John Rabson <[email protected]>; Date: Sun, 4 Jul 2010 11:16:21 +0200; Detectable but barely readable here in Burgndy - high noise level. John F5VLF On 4 Jul 2010, at 10:47CEST, Lubos OK2BVG wrote: Bingo, transmitter SAQ on the 17.2kHz is ON! Bob, OK2BVG Hotmail: Dvryho; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-07/msg00500.html (10,051 bytes)
184. LF: 137kHz tests - summary of results (score: 1): Author: John Rabson <[email protected]>; Date: Fri, 20 Aug 2010 11:49:32 +0200; LF, Robin, Chris, Alan, Last Tuesday morning (17 August between about 08 30 and 1030 UTC) Robin, Chris and I carried out some tests on 137.000 kHz from Mare le Bas (JN17vg). I apologise for not havin; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-08/msg00057.html (10,398 bytes)
185. LF: Tests on 136 kHz (score: 1): Author: John Rabson <[email protected]>; Date: Fri, 13 Aug 2010 16:47:17 +0200; If all goes well we shall in the next few days start tests with about 30W to a modest antenna in central Burgundy. We intend to use 135.8 unless someone suggests a better part of the band. John F5VLF; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-08/msg00328.html (8,347 bytes)
186. Re: LF: 137kHz tests - summary of results (score: 1): Author: John Rabson <[email protected]>; Date: Fri, 20 Aug 2010 12:18:13 +0200; Renault Kangoo, actually. John; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-08/msg00551.html (8,648 bytes)
187. Re: LF: Re: QRP (score: 1): Author: John Rabson <[email protected]>; Date: Fri, 27 Aug 2010 23:10:41 +0200; Many email systems allow you to set a filter to throw away messages wih particular characteristics. I have used this facility with Outlook Express, Courier and on a Mac. 73 John F5VLF On 27 Aug 2010,; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-08/msg00628.html (9,917 bytes)
188. Re: LF: RE: G7NKS on QRSS 137.7 and also disaster recvoery (score: 1): Author: John Rabson <[email protected]>; Date: Sun, 19 Sep 2010 17:56:12 +0200; Jim, What is the waveform of the current drawn from the PSU? In my experience some designs of stabiliser don't like large fast variations in load. 73 John F5VLF On 19 Sep 2010, at 16:42CEST, James Co; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00029.html (12,660 bytes)
189. LF: Hellschreiber on 137700 ish at 1500z (score: 1): Author: "John RABSON" <[email protected]>; Date: Sat, 04 Sep 2010 17:09:14 +0200; Not quite readable. John Rabson F5VLF 58800 Cervon France JN17vg; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00034.html (7,589 bytes)
190. LF: DTL 20 dB over noise on 137 (score: 1): Author: "John RABSON" <[email protected]>; Date: Tue, 28 Sep 2010 21:54:32 +0200; At 1952z. John Rabson F5VLF 58800 Cervon France JN17vg; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00059.html (7,575 bytes)
191. LF: WSPR? 20 dB over noise on 137520 (score: 1): Author: "John RABSON" <[email protected]>; Date: Tue, 21 Sep 2010 18:55:23 +0200; At 1645z. John Rabson F5VLF 58800 Cervon France JN17vg; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00105.html (7,709 bytes)
192. LF: Possible "A" at QRSS120 on 137.7 - up to 40 dB over noise (score: 1): Author: "John RABSON" <[email protected]>; Date: Thu, 30 Sep 2010 23:12:34 +0200; At 2100z. F5VLF; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00137.html (7,754 bytes)
193. Re: LF: Photovoltaic Installation (score: 1): Author: "John RABSON" <[email protected]>; Date: Fri, 24 Sep 2010 15:14:32 +0200; Hugh, No direct knowledge, but you may find something relevant in the IEE Wiring Regs at http://www.theiet.org/publishing/books/wir-reg/17th-edition.cfm, in particular Regulation 131.6 (EMC related); /rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00172.html (8,007 bytes)
194. Re: LF: Re: BWO and FC on 137 (score: 1): Author: John Rabson <[email protected]>; Date: Sun, 5 Sep 2010 12:39:33 +0200; F6BWO and F/DK7FC/P 73 John F5VLF; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00187.html (8,474 bytes)
195. LF: DK7FC 10 dB over noise in 2 kHz on 137 (score: 1): Author: "John RABSON" <[email protected]>; Date: Sat, 11 Sep 2010 08:06:12 +0200; At 0604z. John Rabson F5VLF 58800 Cervon France JN17vg; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00215.html (8,624 bytes)
196. LF: DD7PC 10 to 15 dB over noise on 137.7 (score: 1): Author: "John RABSON" <[email protected]>; Date: Sun, 12 Sep 2010 11:26:03 +0200; At 0923z. John Rabson F5VLF 58800 Cervon France JN17vg; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00219.html (7,553 bytes)
197. LF: WSPR 10 to 20 dB over QRN on 137720 approx (score: 1): Author: "John RABSON" <[email protected]>; Date: Sun, 19 Sep 2010 22:08:47 +0200; About 2000z. John Rabson F5VLF 58800 Cervon France JN17vg; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00227.html (8,009 bytes)
198. LF: CQ F4DTL on 137710ish 20 to 30 dB over noise (score: 1): Author: "John RABSON" <[email protected]>; Date: Tue, 28 Sep 2010 17:19:53 +0200; At 1512z. John Rabson F5VLF 58800 Cervon France JN17vg; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00232.html (7,723 bytes)
199. Re: LF: 137.5kHz WSPR Saturday Morning - reports appreciated (score: 1): Author: John Rabson <[email protected]>; Date: Sat, 18 Sep 2010 12:20:06 +0200; Roger, I normally leave a receiver running with four copies of Argo at QRSS3 covering the top 400 Hz of the band. The aerial is a 2 m square loop adjusted so the null points at France Inter on 162. S; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00252.html (9,544 bytes)
200. LF: WSPR or similar on about 137 750 (score: 1): Author: "John RABSON" <[email protected]>; Date: Sat, 04 Sep 2010 16:28:13 +0200; Just above noise a few minutes ago. F5VLF; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-09/msg00265.html (7,970 bytes)

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