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1. LF: 1.9kHz earth-mode tests today (score: 1): Author: Roger Lapthorn <[email protected]>; Date: Wed, 16 Jun 2010 22:03:40 +0100; Today I modified my 4W VLF transmitter so it could send either a 10 wpm or QRSS3 beacon signal. I also went out into the fields with my loop/preamp and a PC with Spectran to receive it. For the first; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-06/msg00231.html (10,869 bytes)
2. Re: LF: 1.9kHz earth-mode tests today (score: 1): Author: Andy Talbot <[email protected]>; Date: Wed, 16 Jun 2010 22:58:44 +0100; Make a crystal calibrator. See RadCom December 2009 Page 50 Andy www.g4jnt.com On 16 June 2010 22:03, Roger Lapthorn <[email protected]> wrote: Today I modified my 4W VLF transmitter so it; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-06/msg00344.html (11,839 bytes)

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