[Space] Debriefing Notes

nils at shkoo.com nils at shkoo.com
Wed Feb 10 23:35:51 PST 2010


Cool. Googling "ground plane antenna" shows some promising hits; they 
mostly look like they put 4 horizontal wires in a plus-shaped 
configuration.  (Greg, I think this is what you suggested a couple weeks 
ago).

I found an antenna simulation program here that one can use to simulate 
the radiation pattern of a given antenna:

http://home.ict.nl/~arivoors/

It's not working very reliably under my wine installation; perhaps someone 
else can have better luck.

-nils

On Wed, 10 Feb 2010, Greg Stramback wrote:

> Well, you're using VHF on the 2m ham band. The groundplane should be a
> minimum of 19" radius from the center feed point / radial.
>
> On Wednesday, February 10, 2010, Jonathan Moore <moore at eds.org> wrote:
>> On Wed, Feb 10, 2010 at 8:30 PM, Christie Dudley <longobord at gmail.com> wrote:
>>> How big of a ground plane do you need?  We had a bit of a metal plate, but
>>> it was pretty small, relatively speaking.
>>
>> It depends on how the antaina was designed.um
>>
>> -Jonathan
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