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1. LF: MF carrier (score: 1)
Author: Martin Evans <[email protected]>
Date: Sat, 18 Apr 2015 20:02:45 +0100
Good strong carrier on about 475.6kHz for a few seconds at 19:55 BST tonight. Someone getting ready? Martin GW3UCJ Swansea.
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-04/msg00124.html (8,354 bytes)

2. Re: LF: Re: Tx test QRSS-30 476.180 (score: 1)
Author: Martin Evans <[email protected]>
Date: Tue, 12 May 2015 21:02:33 +0100
Luis - I am receiving what looks like "normal" QRS on 476.180 give or take a couple of Hz. I saw a few "dots" around 19:35 UTC and now am seeing what may be dashes - too early to tell if they are dot
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-05/msg00054.html (10,579 bytes)

3. Re: LF: Re: Tx test QRSS-30 476.180 (score: 1)
Author: Martin Evans <[email protected]>
Date: Tue, 12 May 2015 21:18:39 +0100
Very strong QSB here - "A5" came up very strongly, faded back down near noise level now. Definitely looks like Luis. Martin GW3UCJ Same here, need to wait more to confirm. 73 de Andy F6CNI
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-05/msg00056.html (10,550 bytes)

4. Re: LF: Re: WSPR-X times 2 MF (score: 1)
Author: Martin Evans <[email protected]>
Date: Mon, 01 Jun 2015 21:50:28 +0100
I'm getting very strong WSPR2 and WSPR15 signals tonight but I'm blowed if I can decode any of them for some reason! Martin GW3UCJ Swansea Io81CR. Running two copies of WSPR at different speeds seems
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-06/msg00016.html (8,983 bytes)

5. LF: WSPR-X (score: 1)
Author: Martin Evans <[email protected]>
Date: Sat, 17 Oct 2015 19:30:07 +0100
I've tried and tried to get WSPR-X V0.8 r3058 to decode - I'm trying now, on 474.2kHz. Good strong signals on the waterfall, computer time synched using Dimension 4, but absolutely no joy at decoding
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-10/msg00214.html (10,708 bytes)

6. Re: LF: WSPR-X (score: 1)
Author: Martin Evans <[email protected]>
Date: Sat, 17 Oct 2015 21:11:08 +0100
Ah - thanks Marcus. This gives me somewhere to start looking! Martin  GW3UCJ. Hi Martin,    version r3058 is working fine here. The issue could perhaps be related to samplerate deviation. WSPR v2.11 
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-10/msg00224.html (13,221 bytes)

7. Re: LF: WSPR-X (score: 1)
Author: Martin Evans <[email protected]>
Date: Sun, 18 Oct 2015 09:51:38 +0100
-- Thanks Tobias - exactly what I need! Martin GW3UCJ. ~~~~~~~~~~~~~~~~~~~~~~~~~   On 17/10/2015 23:33, Tobias DG3LV wrote: Hi Martin, Markus ! The soundcard has to be set to 48000 S/s at the hardwar
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-10/msg00239.html (15,104 bytes)

8. Re: LF: WSPR-X (score: 1)
Author: Martin Evans <[email protected]>
Date: Sun, 18 Oct 2015 20:26:37 +0100
Well, I've followed Marcus' and Tobias' instructions - Changed to another W7 computer, fresh install of WSPR-X Checked that the soundcard is set to 2 channel, 16bit, 48000Hz - also tried 24bit... Not
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-10/msg00257.html (11,249 bytes)

9. Re: LF: WSPR-X (score: 1)
Author: Martin Evans <[email protected]>
Date: Sun, 18 Oct 2015 20:55:14 +0100
Yes, I'm using USB Stefan, and I tried a timing check program which said that my soundcard timing was within 55ppm which sounds good enough. Traces are all within the 1400 to 1600 Hz band. I'm receiv
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-10/msg00261.html (11,896 bytes)

10. Re: LF: WSPR-X (score: 1)
Author: Martin Evans <[email protected]>
Date: Sun, 18 Oct 2015 21:23:19 +0100
Yes, I'm on 474.2kHz USB. As you say, not many options remain! Thanks again for your help. Martin GW3UCJ Did we mention to NOT install WSPR-X in the C:\Programs... directory ? You should try to insta
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-10/msg00264.html (11,866 bytes)

11. Re: LF: WSPR-X (score: 1)
Author: Martin Evans <[email protected]>
Date: Sun, 18 Oct 2015 21:39:00 +0100
Well, I removed the program using Revo Uninstaller, then reinstalled where you said, Tobias. Still no joy. I give up - at least for tonight! Good night all, or as we say in Wales Nos da i chi gyd. Ma
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-10/msg00265.html (11,981 bytes)

12. Re: LF: WSPR-X (score: 1)
Author: Martin Evans <[email protected]>
Date: Mon, 19 Oct 2015 08:55:34 +0100
Stefan, Tobias - thank you both. I am in work now but this evening I'll follow up on your suggestions. Martin GW3UCJ Swansea. == Another thing, maybe: Did you disable all "sound improvements" on Win7
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-10/msg00276.html (12,219 bytes)

13. LF: DL6TY (score: 1)
Author: Martin Evans <[email protected]>
Date: Tue, 20 Oct 2015 20:02:52 +0100
Very good strong HELL signal from DL6TY this evening on 476.5kHz. Martin GW3UCJ Still cursing at a WSPR-X program which refuses to decode!
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-10/msg00321.html (11,453 bytes)

14. Re: LF: RE: MF NOW (score: 1)
Author: Martin Evans <[email protected]>
Date: Sun, 25 Oct 2015 13:17:19 +0000
A good solid signal in South Wales, Mal, as always. Martin GW3UCJ First traces visible. Ant.2x155m Dipol; RX Perseus http://no.nonsense.ee/qthmap/?qth=JN68KJ79WJ 73 Clemens DL4RAJ MF Now active 476.1
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-10/msg00418.html (9,098 bytes)

15. LF: UW8SM (score: 1)
Author: Martin Evans <[email protected]>
Date: Sun, 8 Nov 2015 19:55:57 +0000
Received UW8SM on 136kHz, WSPR2 at -30dB several times this evening. I take it that WSPR spots on 136 are not uploaded anywhere? Can't see any on the WSPRnet site. Martin GW3UCJ Swansea, South Wales,
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-11/msg00170.html (8,530 bytes)

16. Re: LF: UW8SM (score: 1)
Author: Martin Evans <[email protected]>
Date: Sun, 8 Nov 2015 20:30:03 +0000
Ah - thanks Gary. I was going back to the old database interface and looking there. Put it down to senility! Martin GW3UCJ. == Hi Martin, This is where you need to go :- http://wsprnet.org/drupal/wsp
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-11/msg00175.html (9,619 bytes)

17. LF: Best SDR for LF. (score: 1)
Author: Martin Evans <[email protected]>
Date: Sun, 4 Dec 2016 12:58:22 +0000
I've got an SDR-IQ SDR receiver which works pretty well on 136/470 kHz. I need a second receiver now, for LF again. What would the group suggest for a receiver at least as good as the SDR-IQ for thes
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-12/msg00060.html (11,398 bytes)

18. Re: LF: Best SDR for LF. (score: 1)
Author: Martin Evans <[email protected]>
Date: Sun, 4 Dec 2016 14:47:25 +0000
Thanks Pete. Doesn't seem to be much in the way of spec on that site, and the installation looks tiresome. Still, worth checking. Martin GW3UCJ. Try ... http://fivedash.com/ 73 es GL Pete M0FMT GQRP#
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-12/msg00063.html (10,476 bytes)

19. Re: LF: Best SDR for LF. (score: 1)
Author: Martin Evans <[email protected]>
Date: Sun, 4 Dec 2016 15:52:45 +0000
Thanks Graham. Not really that interested in transmitting - been licensed over fifty years and done my share - far more interested in earwigging these days! Nope, Elad it is I think. Martin GW3UCJ. T
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-12/msg00069.html (10,727 bytes)

20. Re: LF: ULF experiment: A MEchanical Based Antenna (score: 1)
Author: Martin Evans <[email protected]>
Date: Wed, 21 Dec 2016 12:42:08 +0000
Forgive me for asking what may be quite obvious to many - but does this mean that if I spun a magnet at 8000rpm then I would generate a 8kHz radio signal, identical in every way to an 8kHz signal gen
/rsgb_lf_group-archives/html/rsgb_lf_group/2016-12/msg00247.html (13,164 bytes)


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