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Date: Tue, 17 Aug 2010 19:33:05 -0500
From: Mike-WE0H <we0h@gmx.com>
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Subject: Re: LF: A question about loops for 136 and 500kHz TX
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I forgot I had his site mirrored. hi hi...Good to see it works.

Mike-WE0H
EN35hj PB237


John A wrote:
> Roger,
> 
> Even in an area with very poor ground conductivity (such as mine), 
> environmental losses will be reduced by elevating the lower conductor. I 
> would suggest 2-3 meters as a minimum. In general, loop shapes having 
> the lowest proximity to ground are the best, with circular being very 
> desirable. The late Reg Edwards, G4FGQ, wrote several programs dealing 
> with loops for transmit use, and RJELOOP1 would apply the best to your 
> situation. You can download it from:
> http://www.we0h.us/page3.html#S301%22
> 
> Your actual feedpoint impedance will probably differ, but the program 
> allows you to play with various options in advance, perhaps saving some 
> money, and certainly time.
> 
> The loop is an excellent option for a lot with so many trees that a 
> Marconi-style antenna would have excessive environmental losses at these 
> frequencies.
> 
> John, W1TAG