[amsat-bb] Re: 70cm antenna SWR problem solved?
WB2LLP
wb2llp at optonline.net
Fri Jun 6 07:19:39 PDT 2008
Michael,
I have not had good luck with Marine Spar Varnish on my WA5VJB cheap yagis.
Even if you use high quality spar varnish, it is damaged with the constant
exposure to sunlight. Signs of damage were apparent after one year and
almost total loss after the second year. My antennas were exposed to the NY
weather which I would think is not as bad as yours with regard to the
sunlight.
My portable satellite station uses varnish coated WA5VJB antennas, but they
spend most of their time stored in my garage or otherwise protected from the
elements. They are better than 5 years old and still have a nice gloss
finish.
I am trying high quality exterior house paint this time
73 de WB2LLP Gene
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