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Total 5 documents matching your query.

1. LF: ERP (score: 1): Author: "mal hamilton" <[email protected]>; Date: Wed, 22 Apr 2009 18:18:48 +0100; Why are the majority of 500 Kcs ops quoting so many watts RF. This is confusing, is this pwr DC input, RF to the antenna or what? I thought it was agreed to quote ERP, to quote otherwise is meaningle; /rsgb_lf_group-archives/html/rsgb_lf_group/2009-04/msg00336.html (8,244 bytes)
2. LF: ERP (score: 1): Author: "Mike Dennison" <[email protected]>; Date: Fri, 16 Jul 1999 09:19:19 +0100; Dick, PA0SE, and others have recently been using a multiplication factor of 1.83dB to obtain ERP. This is the supposed gain of a vertical antenna over a dipole because of ground reflection. Is this r; /rsgb_lf_group-archives/html/rsgb_lf_group/1999-07/msg00078.html (9,539 bytes)
3. Re: LF: ERP (score: 1): Author: "Rik Strobbe" <[email protected]>; Date: Fri, 16 Jul 1999 14:01:37; Is this really vaild? Ground reflection surely must depend upon: (1) The efficiency of the local ground connection and (2) The conductivity of the ground both of which must have a much greater effec; /rsgb_lf_group-archives/html/rsgb_lf_group/1999-07/msg00081.html (11,465 bytes)
4. Re: LF: ERP (score: 1): Author: "Rik Strobbe" <[email protected]>; Date: Fri, 16 Jul 1999 14:14:08; One more thing to mention : when you MEASURE your by the way Dick suggests you don't have to take in account any multiplication factor if you have a short vertical antenna. When you measure at 2 .. 3; /rsgb_lf_group-archives/html/rsgb_lf_group/1999-07/msg00082.html (9,818 bytes)
5. Re: LF: ERP (score: 1): Author: "James Moritz" <[email protected]>; Date: Tue, 20 Feb 2001 17:19:56 +0000; Dear Stewart, LF Group, smaller antenna had a higher field strength than you expected. Yes it did, but only by about 1.5dB as I recall - this would be within the limits of experimental error. The thi; /rsgb_lf_group-archives/html/rsgb_lf_group/2001-02/msg00154.html (9,805 bytes)

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