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1. Re: LF: 500 Birmingham Grabber! (score: 1)
Author: "Dave Sergeant" <>
Date: Thu, 27 Sep 2007 07:07:05 +0100
I briefly listened on the band around 2115z before turning in. I heard one of your CQ calls down here in Bracknell, 549 solid copy. Didn't have time to get the rig turned on to call you (and no doubt
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-09/msg00196.html (9,831 bytes)

2. LF: (500)GM4SLV (score: 1)
Author: "Dave Sergeant" <>
Date: Sun, 30 Sep 2007 21:16:33 +0100
Quite some signal down here in Bracknell IO91PJ tonight 2000z John, good solid 579 with no QSB and now copying GM4ISM at 419! I have made an mp3 recording which you will find among my other recording
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-09/msg00247.html (8,073 bytes)

3. Re: LF: XBand 500kz (score: 1)
Author: "Dave Sergeant" <>
Date: Wed, 31 Oct 2007 22:26:09 +0100
Just trying to get myself sorted out for this crossband stuff. Using my K2 on both 80m and 500kHz (via the Datong UC1) and relying on the 500kHz for my sidetone means I have to click the band up/down
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-10/msg00009.html (10,220 bytes)

4. Re: LF: Re: Visual Aurora and good condx (score: 1)
Author: "Dave Sergeant" <>
Date: Tue, 30 Oct 2007 08:12:37 +0100
Maybe Alan can explain why we get these auroras and high K indexes at the sunspot minimum when the sun spot count and solar flux have been at rock bottom for weeks on end? Just checked, sunspot numbe
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-10/msg00101.html (11,055 bytes)

5. Re: LF: RE: RADCOM (score: 1)
Author: "Dave Sergeant" <>
Date: Thu, 25 Oct 2007 13:14:36 +0100
The new edition of the Radio Communications Handbook (as advertised in RadCom) has a few designs for 500kHz gear, including my own transmitter. This shows that the interest in promoting it is there,
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-10/msg00147.html (11,699 bytes)

6. Re: LF: [500] RTTY (score: 1)
Author: "Dave Sergeant" <>
Date: Mon, 01 Oct 2007 12:58:59 +0100
Then I guess we need to blame somebody else.... It appeared right on top of John GM4SLV last night when I got the rig tuned up to answer his CQ call. Guess the culprit didn't check the frequency firs
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-10/msg00159.html (9,473 bytes)

7. Re: LF: New best DX? (score: 1)
Author: "Dave Sergeant" <>
Date: Tue, 30 Oct 2007 11:42:16 +0100
I thought your figures looked a bit odd, and intuitively Tom should be further. I put the figures into G0GJV's Minos VHF logger: GM4SLV IP90GG to: G3OLB IO80IU 1054km 187deg G3LDO IO90ST 1054km 176de
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-10/msg00181.html (9,977 bytes)

8. Re: LF: 500kHz Light reading matter? (score: 1)
Author: "Dave Sergeant" <>
Date: Tue, 02 Oct 2007 12:12:20 +0100
John I have added a link to your site from mine: Those new on here may find something of interest in my pages. 73 Dave G3YMC
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-10/msg00207.html (9,239 bytes)

9. Re: LF: RADCOM (score: 1)
Author: "Dave Sergeant" <>
Date: Mon, 29 Oct 2007 09:43:29 +0100
I am sure this is drifting way way off topic for this reflector. Just to throw the cat in the fire, I thought this month's RadCom (when I finally received it) was considerably above average. The 3B7C
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-10/msg00258.html (11,643 bytes)

10. LF: HF Convention (score: 1)
Author: "Dave Sergeant" <>
Date: Sun, 14 Oct 2007 21:25:29 +0100
I was up at the HF Convention at Wyboston yesterday. Very enjoyable day and the new venue is fine, the only criticism was that the lecture rooms were too small (which I gather they are going to remed
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-10/msg00391.html (8,534 bytes)

11. Re: LF: RADCOM (score: 1)
Author: "Dave Sergeant" <>
Date: Wed, 24 Oct 2007 09:11:47 +0100
It is out Mal, others have reported receiving it earlier this week. I received the extracts they send to clubs via email at the beginning of the week, but not received my paper copy yet. Remember the
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-10/msg00458.html (9,388 bytes)

12. Re: LF: Re: 500 KHz GW3HXO (score: 1)
Author: "Dave Sergeant" <>
Date: Sun, 04 Nov 2007 19:19:25 +0100
I assume it is a typo, but his callsign is GW4HXO.... Peaking 589 in Bracknell. 73 Dave G3YMC
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-11/msg00000.html (8,844 bytes)

13. Re: LF: qrm 3.5 (score: 1)
Author: "Dave Sergeant" <>
Date: Fri, 16 Nov 2007 07:11:19 +0100
Yes, very strong here in Bracknell. Looks like some sort of commercial transmission which of course you will find on 80m. I have now taken down my 500kHz antenna and reverted it back to a Top Band ve
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-11/msg00072.html (9,287 bytes)

14. LF: [500]ARRL Letter reports on transatlantic QSOs (score: 1)
Author: "Dave Sergeant" <>
Date: Fri, 30 Nov 2007 22:37:56 +0100
The following has just appeared in today's ARRL Letter: * 500 kHz Experiment Charting New Territory: The evening of November 13 saw the first transatlantic contact on 500 kHz between amateur experime
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-11/msg00170.html (9,048 bytes)

15. Re: LF: 600 m power limits (score: 1)
Author: "Dave Sergeant" <>
Date: Tue, 13 Nov 2007 17:10:27 +0100
"a peak effective radiated power not exceeding -10dbW" ie 100mW ERP 73 Dave G3YMC
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-11/msg00219.html (8,671 bytes)

16. Re: LF: Antenna upgrade etc (score: 1)
Author: "Dave Sergeant" <>
Date: Sat, 10 Nov 2007 16:33:27 +0100
Not sure if you were using the new arrangement last night Gary, but you were a good signal, 579ish, down here in Bracknell. Not that much weaker than the G0MRF beacon which you were somewhat undernea
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-11/msg00223.html (11,166 bytes)

17. Re: LF: QRP Beacon 501.5 (score: 1)
Author: "Dave Sergeant" <>
Date: Mon, 05 Nov 2007 18:02:50 +0100
Lots of QSB at the moment John, but just peaked 539 in IO91PJ. 73 Dave G3YMC
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-11/msg00239.html (10,048 bytes)

18. Re: LF: New Forum for LF & MF people... (score: 1)
Author: "Dave Sergeant" <>
Date: Wed, 28 Nov 2007 16:20:09 +0100
If you have a decent email program it can also sort them nicely into threads, and will also have an excellent search funcion. Pegasus Mail does the job very nicely for me. Forums suit some people, em
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-11/msg00242.html (9,503 bytes)

19. Re: LF: RE: 500 kHz report / Great expectations (score: 1)
Author: "Dave Sergeant" <>
Date: Fri, 02 Nov 2007 10:41:31 +0100
I run around 6W output. My original calculations which was what the wording on my NOV application were based, was that the maximum power I would use would be 10W and that my proposed vertical would p
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-11/msg00263.html (12,026 bytes)

20. Re: LF: 500 PAT new (score: 1)
Author: "Dave Sergeant" <>
Date: Thu, 01 Nov 2007 20:25:51 +0100
This is a known NDB beacon, though very little seems to be known about it. The only references I can find are at:
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-11/msg00292.html (9,023 bytes)

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