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1. LF: Re: Top loaded vertical spiral antenne (score: 1): Author: "G3WCB" <[email protected]>; Date: Mon, 1 Jun 2015 11:00:02 +0100; Hello, Marcel. Gary, G4WGT has done some experiments with this sort of spiral top-load antenna on 136 kHz. Take a look at his web-site, page 6. See link below. http://myweb.tiscali.co.uk/wgtaylor/LF%; /rsgb_lf_group-archives/html/rsgb_lf_group/2015-06/msg00007.html (13,853 bytes)
2. LF: Re: Top loaded vertical spiral antenne (score: 1): Author: "Alan Melia" <[email protected]>; Date: Mon, 1 Jun 2015 12:00:04 +0100; Hi Marcel the original idea came from a Pat Hawker Technical Topics column. It was originally in a Canadian BC Journal and recommended for short free standing MW BC antennas. We did the experiments y; /rsgb_lf_group-archives/html/rsgb_lf_group/2015-06/msg00008.html (12,234 bytes)
3. Re: LF: Re: Top loaded vertical spiral antenne (score: 1): Author: Marcel Bos <[email protected]>; Date: Mon, 1 Jun 2015 16:52:06 +0200; Hi Marcel the original idea came from a Pat Hawker Technical Topics column. It was originally in a Canadian BC Journal and recommended for short free standing MW BC antennas. We did the experiments; /rsgb_lf_group-archives/html/rsgb_lf_group/2015-06/msg00012.html (14,088 bytes)
4. Re: LF: Re: Top loaded vertical spiral antenne (score: 1): Author: DK7FC <[email protected]>; Date: Mon, 01 Jun 2015 17:32:32 +0200; Hi Marcel, Am 01.06.2015 16:52, schrieb Marcel Bos: [...]About the tip from Stefan. In my backyard i ve a vertical about 10 m (spiderbeam with wire) total wire lengt 23 meters with atu cg3000. radial; /rsgb_lf_group-archives/html/rsgb_lf_group/2015-06/msg00013.html (10,491 bytes)

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