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1. LF: 9 Kcs (score: 1): Author: "mal hamilton" <[email protected]>; Date: Mon, 22 Feb 2010 17:06:24 +0100; Most are struggling on 137 Kcs to radiate a decent signal never mind 9Kcs I would prefer some sort of elevated antenna even at that frequency for long haul. G3KEV; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-02/msg00072.html (7,882 bytes)
2. Re: LF: 9 kcs (score: 1): Author: "Mike.WE0H" <[email protected]>; Date: Wed, 17 Mar 2010 13:11:16 -0500; Awesome news Mal!!! Go for it and remember as the YL's would say, bigger is better...hi hi Big power and big antennas OM... Mike WE0H 73s Roger G3XBM On 17 March 2010 16:45, g3kev-Mal wrote: If I get; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-03/msg00011.html (9,725 bytes)
3. LF: 9 kcs (score: 1): Author: "mal hamilton" <[email protected]>; Date: Wed, 17 Mar 2010 18:47:41 +0100; If I get time and a NOV for 9 kcs my proposed approach for TX would be an IC 706 on 900 kcs divided by 100/driver chip TC 4427 and a couple of FETS class D for an output of a few hundred watts, desig; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-03/msg00449.html (8,903 bytes)
4. Re: LF: 9 kcs (score: 1): Author: Roger Lapthorn <[email protected]>; Date: Wed, 17 Mar 2010 17:10:12 +0000; If I get time and a NOV for 9 kcs my proposed approach for TX would be an IC 706 on 900 kcs divided by 100/driver chip TC 4427 and a couple of FETS class D for an output of a few hundred watts, desi; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-03/msg00582.html (11,199 bytes)
5. Re: LF: 9 kcs (score: 1): Author: Horst Stöcker <[email protected]>; Date: Sat, 5 Jun 2010 20:00:28 +0200 (CEST); Mal, we're in the beginning with all that. Remember: When I first read about experiments at 9kHz it was just a few guys that did mostly a few 100m. Then activity stopped for years. After I asked here; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-06/msg00147.html (12,230 bytes)
6. Re: LF: 9 kcs (score: 1): Author: "mal hamilton" <[email protected]>; Date: Sat, 5 Jun 2010 19:15:07 +0100; -- Original Message -- From: [email protected] Horst Stöcker To: [email protected] [email protected] Sent: Saturday, June 05, 2010 7:00 PM Subject: Re: LF: 9 kcs Mal, we're; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-06/msg00423.html (13,462 bytes)
7. LF: 9 kcs (score: 1): Author: "mal hamilton" <[email protected]>; Date: Sat, 5 Jun 2010 18:45:39 +0100; What is happening on 9 kcs, some seem to be aiming for earth induced signals downward penetration with earth rods etc while some are trying elevated antennas for long haul. I am interested in elevate; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-06/msg00772.html (9,424 bytes)
8. LF: 9 Kcs (score: 1): Author: "mal hamilton" <[email protected]>; Date: Wed, 25 Aug 2010 18:51:50 +0100; Anyone working around 8970 kcs at present? TX or RX De mal/g3kev; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-08/msg00001.html (8,358 bytes)
9. Re: LF: 9 Kcs (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Wed, 25 Aug 2010 20:29:54 +0200; Most probably i will work there tmw arround 9 UTC. It is a test on the earth antenna, trying to reach abt 50 km or even 174 km. You will see it on my VLF grabber but it makes no sense to try receivin; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-08/msg00006.html (9,580 bytes)
10. Re: LF: 9 Kcs (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Wed, 25 Aug 2010 23:48:09 +0200; Mal, Tnx for the report. Yes, there are still some dB missing. I have thought that you had even less power tonite but if it was the same like before some days... Tnx for the test signal that was T co; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-08/msg00058.html (10,016 bytes)
11. Re: LF: 9 Kcs (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Wed, 25 Aug 2010 20:31:49 +0200; BTW, i have added a peak holding graph (green line) that shows the peak of the last 120 seconds (in QRSS-3), makes it easier to check the maximum S/N during transmitting... Am 25.08.2010 19:51, schri; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-08/msg00075.html (9,324 bytes)
12. Re: LF: 9 Kcs (score: 1): Author: "mal hamilton" <[email protected]>; Date: Wed, 25 Aug 2010 20:21:49 +0100; Stefan Signal tonite not as strong on ur grabber as a few nites ago when it was 12 - 20 db above ur NF. Tonite the sig looks stronger on ur qrs10 window than qrs 3 I am tx same power as a few nites a; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-08/msg00360.html (10,625 bytes)
13. LF: 9 kcs (score: 1): Author: "mal hamilton" <[email protected]>; Date: Wed, 18 Aug 2010 18:36:25 +0100; Is there any acty planned for this weekend on 9 kcs. de mal/g3kev; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-08/msg00427.html (8,334 bytes)
14. LF: 9 kcs (score: 1): Author: "mal hamilton" <[email protected]>; Date: Thu, 12 Aug 2010 10:20:28 +0100; Last weekend there appeared to be some testing around 8.97 kcs . I think it could be PA3 signal power was up and down at times. It is probably worth checking this freq area, not everyone announces th; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-08/msg00472.html (8,519 bytes)
15. Re: LF: 9 Kcs (score: 1): Author: "mal hamilton" <[email protected]>; Date: Wed, 25 Aug 2010 20:12:25 +0100; Hi Stefan Nw cq on 137.7 and cking ur grabber de mal/g3kev -- Original Message -- From: [email protected] Stefan Schäfer To: [email protected] [email protected] Sen; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-08/msg00490.html (10,360 bytes)
16. LF: 9 kcs (score: 1): Author: "mal hamilton" <[email protected]>; Date: Thu, 11 Nov 2010 17:36:19 +0100; Anyone testing on 9 Kcs? Need a cw filter for FT920 if anyone has a spare. de g3kev; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-11/msg00428.html (7,663 bytes)

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