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Old September 29th 03, 03:53 PM
Mike Lisenco
 
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Default 144/440 ground plane

Anyone have a design for a 144/440 dual band ground plane. I know that it's
available commercially, but I'd like to put one together myself. I have not
been able to find a design on-line. Any ideas?

73,
Mike
N2YBB


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Old September 29th 03, 04:51 PM
Eric C. Weaver
 
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Mike Lisenco wrote:
Anyone have a design for a 144/440 dual band ground plane. I know that it's
available commercially, but I'd like to put one together myself. I have not
been able to find a design on-line. Any ideas?


An ordnary 2m ground plane ought to do; it'll be about 3/4 wave at 440. The
SWR may not match perfectly but use good coax like LMR-600 and you'll get out
fine.

Another option is Arrow's 2m/440 dual-band open-stub J-pole, one of which I
have (after my home-made ground plane fell apart in the winds).

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