I have a Cushcraft A144-20T. Twice as many elements in each plane than
yours. I run both a vertical and horizontal coax to my shack and use a
crossover coax switch with phasing and impedance matching coax to
generate switchable circular polarization in the shack. Works great for
me. The polarization change makes a big difference at times on the
satellites..
I can also run just vertical or horizontal polarization by changing the
coax configuration in the shack. In fact, you can use the same crossover
switch as a SPDT to experiment with changing between horizontal and
vertical polarization. I do this during VHF contests sometimes. I have
also worked meteor scatter with it.
I have been using this antenna for 25 years with no problems. I used it
with AO10, AO13 and AO40 with no problems. The low orbit birds are
really loud compared to the high orbits birds.
73,
Bill
NJ1H
On 10/3/2013 10:18 PM, Les Rayburn wrote:
I just acquired a "new" in the-box, never assembled Crushcraft
A144-10T "VHF Twist" antenna. It includes the cabling to allow the
user to select left or right hand polarization. My questions are
numerous:
1.) How is the performance on this antenna, compared to more modern
designs?
2.) If I were going to install it inside my attic, should I chose left
or right hand polarization?
3.) Any caveats or things to watch out for?
Any information that could be provided would be great. I was thrilled
when a friend stopped by and asked me if I'd be interested in the
antenna. Good price too.
_______________________________________________
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
