Also, take coax losses into consideration. A pre-amp at the antenna might be a good idea. Get one that can deal with the RF when you are in Tx and waterproof it!
Sent from my iPod Amir K9CHP
On Feb 21, 2011, at 0:06, Clint Bradford clintbradford@mac.com wrote:
... used an Elk as a base station antenna ...
I would use Blue LocTite on all element threads ... then probably use marine spar varnish on it all before mounting in a semi- or permanent outdoor situation.
And, of course, have some manner to rotate it.
Clint, K6LCS _______________________________________________ Sent via AMSAT-BB@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