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Total 4 documents matching your query.

1. LF: Deaf receivers (score: 1)
Author: "Howard Aspinall" <>
Date: Wed, 10 Mar 1999 04:54:15 -0500
Greeting all My first posting to this list though I've been receiving mesages for some months, and also listening on 136 KHz since the band came available in the UK. On the subject of receivers, for
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-03/msg00064.html (9,788 bytes)

2. LF: Noise problems (score: 1)
Author: "Howard Aspinall" <>
Date: Thu, 3 Jun 1999 11:38:55 -0400
John, It sounds like it could be a power distribution problem, possibly an arcing insulator or even a transformer, though insulator problems are often affected by the type of weather (ie) dry, damp o
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-06/msg00015.html (9,923 bytes)

3. LF: HF automatic antenna tuners (score: 1)
Author: "Howard Aspinall" <>
Date: Mon, 24 Jan 2000 14:22:41 -0500
Jim I have here two Racal professional automatic hf aerial matching units..1 kw...1.6-30 Mhz, plus docs. They are quite old by now, though I suspect technology in this area hasn't advanced much over
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-01/msg00291.html (8,205 bytes)

4. LF: Balloon flying (score: 1)
Author: "Howard Aspinall" <>
Date: Wed, 15 Mar 2000 15:24:58 -0500
Greeting I have used balloon borne aerials on 160m in the past, and anyone contemplating doing so is advised to consult with the Civil Aviation Authority first. There were, and probably still are rul
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-03/msg00148.html (9,263 bytes)

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