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Total 804 documents matching your query.

381. LF: DK7FC Report [Was QRP 1W /PA circuit] (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Wed, 11 Jan 2012 23:43:27 +0100
Stefan, A trace of your signal visible here tonight. See attached. 73, Dave G3WCB IO91RM --Original Message-- From: [email protected] [mailto:[email protected]]On Be
/rsgb_lf_group-archives/html/rsgb_lf_group/2012-01/msg00842.html (15,056 bytes)

382. RE: LF: New Band 472kHz - 479kHz (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Wed, 15 Feb 2012 21:08:06 +0100
DK8KW and DF6NM did some work on slow voice in 2001. See link below http://www.qru.de/slowvoice.html 73, Dave G3WCB IO91RM --Original Message-- From: [email protected] [mailto:owner-
/rsgb_lf_group-archives/html/rsgb_lf_group/2012-02/msg00066.html (12,294 bytes)

383. LF: ADF RX bandwidth (was 472-479 kHz Amateur Radio Allocation) (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Fri, 17 Feb 2012 00:01:25 +0100
Dear LF I've attached the selectivity figures for a "low-end" ADF RX, in this case a Becker RA3502 from the late 1990s. The IF is quite wide, compared with what we're used to on LF. 73, Dave G3WCB IO
/rsgb_lf_group-archives/html/rsgb_lf_group/2012-02/msg00583.html (13,904 bytes)

384. RE: LF: WRC-12 Approves the New 472-479 kHz allocation [BIA] (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Sat, 25 Feb 2012 23:03:25 +0100
That's correct, but this BIA is in Poland. See below:- 73, Dave G3WCB IO91RM --Original Message-- From: [email protected] [mailto:[email protected]]On Behalf Of Andy
/rsgb_lf_group-archives/html/rsgb_lf_group/2012-02/msg00722.html (17,386 bytes)

385. LF: WRC-12 Approves the New 472-479 kHz allocation [BIA] (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Sat, 25 Feb 2012 22:12:05 +0100
LF, NDB BIA romping in here tonight. It's an A2A beacon, with carrier on 474 kHz, an upper sideband on 475 and a lower sideband on 473 kHz. Tripple whammy! 73, Dave G3WCB IO91RM --Original Message--
/rsgb_lf_group-archives/html/rsgb_lf_group/2012-02/msg00739.html (15,215 bytes)

386. LF: RE: Ropex Schematic (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Fri, 30 Mar 2012 15:48:35 +0100
Warren, There's a review of the Ropex on G3YXM's site. See below. A pm to Dave might turn up some more info. 73, Dave G3WCB IO91RM http://www.wireless.org.uk/ropex.htm Hello the list, I believe that
/rsgb_lf_group-archives/html/rsgb_lf_group/2012-03/msg00058.html (11,068 bytes)

387. LF: RE: DF6NM on 8970.002 (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Wed, 28 Mar 2012 17:19:52 +0100
Hi, Markus, LF, Bentley accoustics produced the "Ionofane"loudspeaker, that used a corona or plasma discharge as a sound source. Perhaps you should consider modulating your carrier with some music, f
/rsgb_lf_group-archives/html/rsgb_lf_group/2012-03/msg00714.html (14,011 bytes)

388. RE: ULF: 11.6 µHz transmission (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Sun, 1 Apr 2012 09:39:18 +0100
Markus, LF, There's a resonant receiving array in southern England that operates on 31.7966 pico Hertz. 73, Dave G3WCB IO91RM --Original Message-- From: [email protected] [mailto:own
/rsgb_lf_group-archives/html/rsgb_lf_group/2012-04/msg00326.html (15,294 bytes)

389. LF: Reflector status - junk-free.... (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Sun, 3 Jun 2012 12:07:20 +0100
Dear All, To re-enforce Pete's comments below, I use Outlook running under Windoze to retrieve e-mails from both the blacksheep reflector, and also the Yahoo group. I also use the Yahoo mail service
/rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00132.html (16,520 bytes)

390. RE: LF: DK7FC calling CQ on 472.5kHz (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Wed, 4 Jul 2012 22:09:20 +0100
Stefan,LF, I just heard you calling CQ on 472.5 at 2105z. Your signals were RST 569. Good copy, despite all the crashes and bangs. 73, Dave G3WCB IO91RM
/rsgb_lf_group-archives/html/rsgb_lf_group/2012-07/msg00042.html (11,499 bytes)

391. LF: RE: Analog oscillators [Vackar] (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Fri, 6 Jul 2012 08:43:48 +0100
Hi, Stefan, LF, I suggest you consider the Vackar oscillator. There is a very good FET/transistor design by G3PDM which you can reach by following the link below. It's also important to consider the
/rsgb_lf_group-archives/html/rsgb_lf_group/2012-07/msg00053.html (13,966 bytes)

392. LF: Analog oscillators [Vackar] (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Fri, 6 Jul 2012 11:48:53 +0100
Hi, Group, Pete, I never bothered with the "Tempatrimmer", although if you come across one at a junk-sale it's probably worth picking it up. You can fine-trim the oscillator temperature response by s
/rsgb_lf_group-archives/html/rsgb_lf_group/2012-07/msg00100.html (18,568 bytes)

393. LF: FW: DJ5BV... (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Sun, 1 Jul 2012 22:22:06 +0100
This e-mail got bounced from the Yahoo Group, so I've sent it to the Black Sheep reflector instead. Seems like I've been unsubscribed from Yahoo... Dear MF, I just copied DJ5BV calling CQ on 472.63 k
/rsgb_lf_group-archives/html/rsgb_lf_group/2012-07/msg00667.html (10,453 bytes)

394. RE: LF: 600m WSPR (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Sat, 13 Oct 2012 16:22:20 +0100
Hi, Eddie. I'm seeing strong WSPR signals from you this afternoon, but no decodes. It looks like your timing might be "out" by a second or two. 73, Dave G3WCB IO91RM
/rsgb_lf_group-archives/html/rsgb_lf_group/2012-10/msg00061.html (10,028 bytes)

395. RE: LF: DK7FC NAVTEX (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Tue, 19 Mar 2013 20:39:25 +0100
re-sent to BS reflector. Dave G3WCB --Original Message-- From: Dave G3WCB Alternate [mailto:[email protected]] Sent: 18 March 2013 22:13 To: [email protected] Cc: Stefan Schäfer [
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-03/msg00418.html (12,510 bytes)

396. LF: £10 Dongel-SDR Direct sample on 504 KHz [Amazon] (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Thu, 4 Apr 2013 20:35:25 +0100
Amazon UK has a bunch of DTV dongles for under £20. See example below:- http://www.amazon.co.uk/ClimaxDigital-DTV300-Receiver-Freeview-supports/dp/B003UNTNCU/ref=pd_sim_computers_13 73, Dave G3WCB IO
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-04/msg00093.html (19,274 bytes)

397. LF: RE: Thanks to the magnifying glass users <report> (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Tue, 2 Apr 2013 20:34:36 +0100
Hi, Eddie. I'm getting a few spots from you this evening. Are you still running the RaspberryPi barefoot? 73, Dave G3WCB IO91RM 1926 -26 0.7 0.475700 0 G3ZJO IO92 0 --Original Message-- From: owner-r
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-04/msg00099.html (10,470 bytes)

398. RE: LF: GB4FPR 472.5 KHZ INTERNATIONAL MARCONI DAY (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Sun, 21 Apr 2013 21:33:28 +0100
Hi, Graham. I copied you quite strongly last night at about RST569. Your signals were quite steady with little QSB. You were being called by G3XIZ (599), and by G3KEV, who was about the same strength
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-04/msg00269.html (17,088 bytes)

399. LF: RE: Re: Re: Re: Test 1 2 3 (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Tue, 21 May 2013 22:06:36 +0100
Not much happening on the Yahoo reflector either... 73, Dave G3WCB IO91RM Works well here to Henny.
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-05/msg00040.html (10,524 bytes)

400. LF: Test, pse disregard (score: 1)
Author: "Dave G3WCB." <[email protected]>
Date: Wed, 15 May 2013 20:47:07 +0100
Test, 19h46A
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-05/msg00072.html (9,604 bytes)


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