[amsat-bb] Re: HELIX REFLECTOR?

[jmfranke]

According to the W1GHZ antenna book at :

http://www.w1ghz.org/antbook/conf/Helical_feed_antennas.pdf

"The ground plane diameter is typically 0.94? in diameter" or about 25.25" 
for 440 MHz.

John  WA4WDL

--------------------------------------------------
From: "Pete Norris, K1HZU" <k1hzu at yahoo.com>
Sent: Thursday, June 03, 2010 8:51 PM
To: <amsat-bb at amsat.org>
Subject: [amsat-bb]  HELIX REFLECTOR?

> Hi All:
> I am rebuilding a 440 MHZ Helix that I built several years ago . It worked 
> very well, but I would like to reduce the size of the reflector to a more 
> manageable size than I had before. The only reference to reflector size I 
> can find is, "minimum 20" ". I may be looking in the wrong places. I would 
> appreciate it, if someone would steer me in the right direction.
> Thanks,
> Pete, K1HZU
>
>
>
>
> _______________________________________________
> Sent via AMSAT-BB at amsat.org. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>