[AMRadio] coax lead in

[D. Chester]

I agree that you will get moisture in the conduit no matter what, due to 
condensation, and that if you use direct-burial coax that shouldn't matter 
since the soil periodically becomes saturated with water anyway.  Critters 
chewing on the plastic jacket has been my problem, even with the direct 
burial  stuff.  The PVC pipe should keep them at bay.

Instead of regular steel wool for plugging the ends, try some of the stuff 
made for scrubbing out saucepans, which is like coarse steel wool, but made 
of brass or some other alloy that doesn't rust.  Another suggestion is to 
mix regular steel wool with spray-on foam like Great Stuff.  The foam 
contains the steel fibres, which still  repels the rodents from further 
chewing once they take a bite, but embedded into the plastic foam, water 
cannot get to the steel wool.

My solution to critters chewing on the coax was to abandon the buried line 
altogether, and  replace it with an above-ground run supported by tee-posts 
and a messenger wire made from #10 high-tensile steel fence wire.


Don k4kyv

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