[amsat-bb] Fiberglass Poles for Antenna Mounting?
kb2m at comcast.net
Fri Mar 25 14:19:26 UTC 2016
Years ago there was a test report on the differences between metal and
plastic crossbooms. It was shown that there is no measurable difference
between the two if the antennas are installed with elements 45 degrees from
the crossboom. Here is one of the discussions from 2002...
I had to drive about 160 miles roundtrip to purchase a 2 inch diameter 12
foot solid fiberglass boom that I used to build my Oscar class station in
1997. Now I use the metal crossbooms supplied with my antenna's in my two
sat stations. If it really made a measurable difference wouldn't Cushcraft
(AOP-1), and M2( Leo pack) used a non metallic boom?
Anyway there is plenty of talk about this in the archives, and if your going
to use fiberglass I would go with the solid rod as it will last much longer
then a tube. I still have mine stored on the ground in NJ, if anyone want's
one, it's free.....
73 Jeff kb2m
Sent: Friday, March 25, 2016 1:52 AM
To: amsat-bb at amsat.org
Subject: [amsat-bb] Fiberglass Poles for Antenna Mounting?
In reading the descriptions of various directional antenna installations, I
often see a statement that the last section of mast between the rotator and
antenna is non-metallic (most often fiberglass, I believe).
What is the best source for a suitable length of fiberglass pole of the
I would not be surprised if the source is outside of the radio world...
perhaps a round fiberglass pole intended for as a tool handle, for example.
Just a guess.
Appreciate any suggestions.
Montpelier, VA USA
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