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1. Re: LF: XBand 500kz (score: 1)
Author: Peter Dodd <>
Date: Wed, 31 Oct 2007 22:48:38 +0000
John, GM4SLV wrote: I had a question posed by a DL station about the legality of working us - since we're outside the normal "amateur service". My opinion is it's fine. I've asked John Gould for the
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-10/msg00198.html (9,120 bytes)

2. Re: LF: New best DX? (score: 1)
Author: Peter Dodd <>
Date: Tue, 30 Oct 2007 18:13:54 +0000
Hello LFers I had previously described an antenna for 500kHz on this reflector which used an HF quad and its feeder fed against ground using a suitable ATU. The calculated gain of this antenna is aro
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-10/msg00310.html (9,717 bytes)

3. Re: LF: QSW/QTV (score: 1)
Author: Peter Dodd <>
Date: Thu, 22 Nov 2007 12:37:32 +0000
That made things so much clearer! Peter, G3LDO Laurence KL1X wrote: If that looks like a lot of double talk, gobbledegook Q'ness then suggest you peruse.... http://www.qsl.net/n5uza/afmars/document/a
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-11/msg00166.html (10,141 bytes)

4. Re: LF: RX artillery (score: 1)
Author: Peter Dodd <>
Date: Tue, 20 Nov 2007 13:18:06 +0000
When I heard John's recording of my signals with a 10Hz AF filter I was most impressed. My own view is how various bits of hardware work depends a lot on the listening environment. On 73kHz the recei
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-11/msg00573.html (11,781 bytes)

5. Re: LF: E-field probes. (score: 1)
Author: Peter Dodd <>
Date: Mon, 24 Dec 2007 23:58:31 +0000
How about a very short resonant quarter-wave helix? Peter, G3LDO Does anyone know if the e-field probe can be adatped to HF frequencies? Some of you will know I am a member of Amsat and we have an op
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-12/msg00279.html (9,252 bytes)

6. Re: LF: Antenna tests on 136k and 503k - Results (score: 1)
Author: Peter Dodd <>
Date: Sun, 09 Dec 2007 22:38:06 +0000
James Moritz wrote: I have now finished the antenna experiments that I started earlier this week - this is a summary of the results. This is an excellent bit of work and, as far as I am aware, is the
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-12/msg00305.html (17,084 bytes)

7. Re: LF: Fenceline longwire (score: 1)
Author: Peter Dodd <>
Date: Tue, 22 Jan 2008 20:40:34 +0000
EZNEC 5 shows the 1200 fence (3ft hi) antenna to have remarkable receive properties If terminated with 400ohms it produces a polar diagram not unlike a 3-element Yagi with a maximum gain of -17dBi an
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-01/msg00385.html (12,519 bytes)

8. Re: LF: [500] G3LDO 501.8 (score: 1)
Author: Peter Dodd <>
Date: Wed, 16 Jan 2008 20:12:45 +0000
I'm hearing G3LDO calling CQ on 501.8 at 19:52z Can't seem to raise a response though. Perhaps my shorter antenna is a dB too short? Hi John, I heard a signal but it was too weak to read. I will try
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-01/msg00484.html (8,487 bytes)

9. Re: LF: Re: [500] QRV - GM4ISM (score: 1)
Author: Peter Dodd <>
Date: Wed, 20 Feb 2008 18:28:35 +0000
Mark GM4ISM wrote: Thanks for the report. Tonight have heard GI4DPE, GI3PDN, GW4HXO, and had a QSO with G3LDO, probably my ODX 2-way on MF. G0MRF is again quite strong, well over 20db above noise on
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-02/msg00070.html (9,970 bytes)

10. Re: LF: [500] G3LDO (score: 1)
Author: Peter Dodd <>
Date: Fri, 29 Feb 2008 00:38:28 +0000
I just see nice signal from G3LDO. Lubos, OK2BVG Thanks for the report Lubos Peter, G3LDO
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-02/msg00082.html (9,236 bytes)

11. LF: TA on 500kHz (score: 1)
Author: Peter Dodd <>
Date: Fri, 29 Feb 2008 00:37:16 +0000
Hello LFers, I had a xband QSO with Joe, VO1NA at around 2230UTC this evening. My QRSS3 transmission was on 501.193kHz. I listened for Joe on 7000.5kHz. My report was M and I had to repeat his report
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-02/msg00181.html (9,232 bytes)

12. LF: G3LDO 500kHz rig (score: 1)
Author: Peter Dodd <>
Date: Fri, 29 Feb 2008 16:10:42 +0000
Hello LFers, This is a short description of my 500kHz transmitter and antenna. The driver comprises a DDS3 Hands direct digital synthesiser, which came in the form of a kit. I bought this some time a
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-02/msg00241.html (10,760 bytes)

13. Re: LF: CW Skimmer (score: 1)
Author: Peter Dodd <>
Date: Sun, 17 Feb 2008 16:35:48 +0000
No CW since 1974. How can you live without it !!!!! you must miss it !! Hi Mal, LFers, Not at all. Actually, I've done very little operating with any mode over the years of being a ham. I'm not one
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-02/msg00297.html (10,349 bytes)

14. Re: LF: 500 G3LDO (score: 1)
Author: Peter Dodd <>
Date: Thu, 28 Feb 2008 21:57:22 +0000
Mike, G3GMS Many thanks for the report Mike Regards Peter, G3LDO
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-02/msg00375.html (8,370 bytes)

15. Re: LF: Re: QRRS test (score: 1)
Author: Peter Dodd <>
Date: Fri, 14 Mar 2008 23:29:08 +0000
Hi Markus looks like you're actually on 501.191 kHz? Yes you are right - thanks for the report and frequency check Peter, G3LDO
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-03/msg00042.html (9,162 bytes)

16. Re: LF: 500 KHz GI4DPE & G3LDO (score: 1)
Author: Peter Dodd <>
Date: Mon, 17 Mar 2008 22:42:50 +0000
Thanks for the report. I am QSX on 3540kHz Peter G3LDO Hello Peter, strong "G3LDO" in France. *F4DTL in JN18FP RX : IC 7400 Ant: active loop LFL 1010*
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-03/msg00076.html (8,731 bytes)

17. Re: LF: Re: Re: 500 MID PACIFIC (score: 1)
Author: Peter Dodd <>
Date: Tue, 18 Mar 2008 21:49:40 +0000
I was there in 1957, Grapple X Christmas Island and Malden Island. RAF, 1325 Dakota Flight Peter G3LDO 1958 ... Bad time to be in mid pacific 'Grapple Y' G ,, :( Mal, No computers in 1958. 73 Gary -
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-03/msg00101.html (10,680 bytes)

18. Re: LF: 500 KHz GI4DPE & G3LDO (score: 1)
Author: Peter Dodd <>
Date: Wed, 19 Mar 2008 19:30:04 +0000
I will transmit QRSS3 on 501.190kHz this evening and listen on 3540kHz. If you want a cross band QSO just call; you don't need to wait for my transmission to end. I can switch to CW if my signal is s
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-03/msg00102.html (8,748 bytes)

19. Re: LF: TA on 500kHz (score: 1)
Author: Peter Dodd <>
Date: Tue, 04 Mar 2008 12:44:58 +0000
John & LFers, I endorse Gary's comments completely. We have had to endure e-mails from the source you mention since the early days of 136. The best way to treat them is to ignore them completely - tr
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-03/msg00104.html (12,037 bytes)

20. Re: LF: QRRS test (score: 1)
Author: Peter Dodd <>
Date: Sat, 15 Mar 2008 20:13:39 +0000
Peter: what frequency are you actually on? I tuned to 502, do I need to retune to 501.191 ?73, Andy - KU4XR Just want to see what happens here. Sorry about that. I will be on from about 2100UTC on 50
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-03/msg00130.html (8,812 bytes)


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