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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+RE\:\s+W1VLF\s+8\.97\s+KHz\s+UPDATE\s+Trees\,\s+Questions\,\s+Ground\s*$/: 4 ]

Total 4 documents matching your query.

1. LF: Re: W1VLF 8.97 KHz UPDATE Trees, Questions, Ground (score: 1)
Author: "Dave Sergeant" <[email protected]>
Date: Wed, 28 Apr 2010 17:00:45 +0100
Indeed. With all the problems I had with a small loop on 136kHz and the high circulating currents (20A ish at a few watts) I would imagine on at a 1/18th of the frequency would have an efficiency not
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-04/msg00213.html (11,684 bytes)

2. LF: RE: W1VLF 8.97 KHz UPDATE Trees, Questions, Ground (score: 1)
Author: Rik Strobbe <[email protected]>
Date: Wed, 28 Apr 2010 16:31:40 +0200
Hi Paul, Looking here http://rescueelectronics.com/9-Kilohertz.html near the bottom of the page one can see that the tower is backed up by forest. I wondered how much, if any, effect on antenna curre
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-04/msg00220.html (13,038 bytes)

3. LF: Re: W1VLF 8.97 KHz UPDATE Trees, Questions, Ground (score: 1)
Author: "Mike.WE0H" <[email protected]>
Date: Wed, 28 Apr 2010 12:08:08 -0500
Most people thought a TX loop would not radiate out of a backyard. That was proven very wrong many years ago. The calculations say a TX loop is a terrible antenna, but it does radiate very well. Migh
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-04/msg00263.html (11,241 bytes)

4. Re: LF: Re: W1VLF 8.97 KHz UPDATE Trees, Questions, Ground (score: 1)
Author: Jacek Lipkowski <[email protected]>
Date: Wed, 28 Apr 2010 23:11:50 +0200 (CEST)
Most people thought a TX loop would not radiate out of a backyard. a few years ago i've tested some very modest setups (no kilowatts and kilometers of wire). in a country area 1 km is certainly poss
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-04/msg00510.html (12,408 bytes)


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