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1. Re: LF: ERP estimation (score: 1): Author: M0FMT <[email protected]>; Date: Sun, 1 May 2011 13:53:13 +0100 (BST); Thank you both for the information I think I understand it to a level that I can calculate an ERP value for my antenna. 73 es GL Pete M0FMT IO91UX From: James Moritz <[email protected]> To; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00001.html (11,203 bytes)
2. Re: LF: ERP estimation (score: 1): Author: "James Moritz" <[email protected]>; Date: Sun, 1 May 2011 12:53:38 +0100; Dear Pete, LF Group, There must be some software written that does this? You can use NEC-based antenna simulation software (EZNEC, etc.) to obtain Rrad for your antenna, by running an "SWR plot" usin; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00155.html (10,843 bytes)
3. LF: ERP estimation (score: 1): Author: Andy Talbot <[email protected]>; Date: Sun, 1 May 2011 10:07:13 +0100; You cannot calculate ERP directly from Transmit power without also obtaining an estimate of the additional losses, mainly caused by ground resistance. You must have either the RMS RF current in the; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00332.html (13,482 bytes)
4. Re: LF: ERP estimation (score: 1): Author: M0FMT <[email protected]>; Date: Sun, 1 May 2011 11:19:27 +0100 (BST); Hi Andy and LF There must be some software written that does this? 73 es GL Pete M0FMT IO91UX From: Andy Talbot <[email protected]> To: [email protected] Sent: Sun, 1 May, 2011 10:07:13; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00534.html (14,572 bytes)
5. Re: LF: ERP estimation (score: 1): Author: Andy Talbot <[email protected]>; Date: Sun, 1 May 2011 11:25:25 +0100; Yes - its called a calculator :-) and some measurement 'JNT On 1 May 2011 11:19, M0FMT <[email protected]> wrote: Hi Andy and LF There must be some software written that does this? 73 es GL; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00536.html (15,410 bytes)

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