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1. Re: LF: DIY WIND GENERATOR (score: 1)
Author: Chris Trayner <>
Date: Thu, 13 Jun 2013 12:45:57 +0100
I wonder if it will be Man enough for the job? Don't worry, that's just to run the 6.3V heaters ... 73, Chris G4OKW -- Dr Chris Trayner School of Electronic & Electrical Engineering, The University o
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-06/msg00109.html (12,137 bytes)

2. RE: LF: RADCOM (score: 1)
Author: "Chris Trayner" <>
Date: Mon, 29 Oct 2007 01:40:53 +0100
Dear Johan, Thanks once again for your contribution. Please don't apologise - you certainly didn't upset me :-) Actually, as editor of a small scientific journal, you wrote exactly the sort of email
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-10/msg00168.html (11,594 bytes)

3. RE: LF: RADCOM (score: 1)
Author: "Chris Trayner" <>
Date: Sat, 27 Oct 2007 15:57:06 +0100
Dear Johan, Thank you for your email. orgy! ... I don't want to pay for these ad's anymore... Forgive me for pointing it out, but you're not paying for the ads. Magazines take paid advertising to mak
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-10/msg00295.html (11,705 bytes)

4. LF: RE: [137kHz] What is transmission ? (score: 1)
Author: "Chris Trayner" <>
Date: Sat, 29 Dec 2007 00:13:26 +0100
Dear OM, 20:35 > 21:25 on ~136.3175 Grabber : 73qro Jean-Pierre f1afj JN06ht Maybe "...F HRE K DL2HRE" ? 73, Chris G4OKW <<winmail.dat>>
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-12/msg00016.html (9,122 bytes)

5. RE: LF: Fenceline longwire (score: 1)
Author: "Chris Trayner" <>
Date: Tue, 22 Jan 2008 15:51:01 +0100
more dependent on ground conditions, which are not modelled very well Highly likely! This is one of the things that has become painfully obvious to those of us interested in cave radio. To add to th
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-01/msg00355.html (11,056 bytes)

6. RE: LF: Solar wind plots - graphical java plot (score: 1)
Author: "Chris Trayner" <>
Date: Sat, 12 Apr 2008 21:17:51 +0100
... and C = BCPL minus understanding? (Long live flame wars - in a world where Islam and Christianity basically understand each other, we supporters of programming languages are left to carry on sil
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-04/msg00258.html (9,855 bytes)

7. RE: LF: Re: Loran C (score: 1)
Author: "Chris Trayner" <>
Date: Thu, 19 Jun 2008 18:46:12 +0100
source - that GPS timing units were used at each base station. I'd guess not. Why would they bother? They've got links (whether microwave or landline) back to somewhere more central. The more centra
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-06/msg00091.html (10,586 bytes)

8. LF: RE: Loop Conundrum (score: 1)
Author: "Chris Trayner" <>
Date: Mon, 21 Jul 2008 13:00:23 +0100
Dear Andy, Thanks for the interesting problem. in, and be a reasonable approximation to omnidirectional in azimuth. Would it? I'd expect there to be directions in which the fields from the two loops
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-07/msg00055.html (10,202 bytes)

9. RE: LF: Loop Conundrum (score: 1)
Author: "Chris Trayner" <>
Date: Mon, 21 Jul 2008 14:28:45 +0100
you have completed a 90 degree arc on both sides. What's the resulting pattern? I'd guess the sum of all the individual loops, which should be in their average direction, i.e. with the flux coming o
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-07/msg00134.html (9,856 bytes)

10. RE: LF: Re: 500KHz NoV (score: 1)
Author: "Chris Trayner" <>
Date: Tue, 5 Aug 2008 22:08:23 +0100
Dear Mel. Thanks for your thoughts. Not at any of the ones I know of. The pass mark is 40% for undergraduate, 50% for postgraduate. Again, I'm afraid that's not actually true. People have understood
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-08/msg00041.html (12,836 bytes)

11. LF: RE: Re: NAVTEX interference (score: 1)
Author: "Chris Trayner" <>
Date: Tue, 19 Aug 2008 11:47:32 +0100
And/or Ofcom (the UK licencing agency)? Might be worth attaching one of the spectra that have been circulated on this list, plus some of the other supporting details. 73, Chris G4OKW -- Dr Chris Tra
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-08/msg00295.html (10,415 bytes)

12. RE: LF: AC Noise on RX... (score: 1)
Author: "Chris Trayner" <>
Date: Thu, 11 Sep 2008 10:12:40 +0100
Dear Scott, mains or from the power supply. Other relevant diagnostic questions: - Did the rx produce this noise before you moved house? (I.e. is it some local interference source?) - Does the rx pro
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-09/msg00230.html (10,654 bytes)

13. LF: RE: SDR for 136k / 500k (score: 1)
Author: "Chris Trayner" <>
Date: Sat, 29 Nov 2008 10:13:14 +0100
Hi John, You saw Jim's reply, but Is it a rather oval 0? The tradition seems to be a grey minus (rounded rectangle) within a black oval within a grey band on a black background. A case of not quite m
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-11/msg00337.html (9,744 bytes)

14. RE: LF: DEGEN 1103...Simple RX Loop info (score: 1)
Author: "Chris Trayner" <>
Date: Wed, 03 Dec 2008 23:15:50 +0100
Dear Mel and others, 73 mal/g3kev Unggg. (Worried sounds!) I think you want to use it at about 0.5MHz. According to the data sheets I found, the 747 has a gain-bandwidth product of 1.5MHz, so at 0.5M
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-12/msg00539.html (11,782 bytes)

15. LF: RE: English,grammar etc (score: 1)
Author: Chris Trayner <>
Date: Sun, 25 Jan 2009 01:07:09 +0000
Hi Mal, I agree. I wasn't trying to take you to task for not being perfect - if it came across like that, I apologise. My point was that, when we criticise the younger generation, we should remember
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00352.html (8,767 bytes)

16. LF: Morse, English and abbreviations (score: 1)
Author: Chris Trayner <>
Date: Sat, 24 Jan 2009 11:08:10 +0000
Dear Mal, Thanks again for your thoughts. Morse certainly has many advantages, but remember that it's not a language as such: it's a sort of alphabet to represent languages. For instance your Morse i
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00667.html (13,291 bytes)

17. RE: LF: NON MORSE (score: 1)
Author: Chris Trayner <>
Date: Fri, 2 Jan 2009 13:24:24 +0000
Dear Mal and others, Prof. Tony Brooker, who wrote the first compiler compiler and later became Essex University's first Professor of Computing, once told me that he used to use Murray's code in his
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00683.html (9,947 bytes)

18. LF: RE: Re: energy saving bulbs (score: 1)
Author: Chris Trayner <>
Date: Sun, 8 Mar 2009 20:32:15 +0000
Dear All, Thanks, Alan, for your thoughts. to the bulb is converted into radiation ! some is light and some is heat.....a CLF just produces less heat and more light and more polution! Well, in a sens
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-03/msg00415.html (12,157 bytes)

19. LF: RE: Arcs and sparks - user beware (score: 1)
Author: Chris Trayner <>
Date: Thu, 16 Apr 2009 10:07:17 +0100
Dear Laurence, Thanks for your post. Whether it has or not, it could save one of our lives some day! A friend who worked for the London Electricity Board years ago told me a similar story about worki
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-04/msg00247.html (10,267 bytes)

20. LF: RE: Field Strength Meter - advice needed (score: 1)
Author: Chris Trayner <>
Date: Mon, 4 May 2009 22:57:26 +0100
Hi Chris, You've probably thought of these, but just in case: field strength meter's output voltage is very dependent on temperature and can vary up to 30 %. Is the Helmholtz coil getting a constant
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-05/msg00011.html (10,868 bytes)

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