Well, there are tens of thousands of cellular antennas out there using 1/2"
hardline for jumpers. I do it myself on my ham antennas. The trick is to
not leave too much slack, just enough to allow movement but not
vibration. LDF4050A cable is pretty much the cellular industry standard
for antenna jumpers.
LMR400 is probably the worst cable to use for a jumper on a duplexed
system. The shield-over-foil construction can create noise when it moves.
Joe
At 09:25 PM 9/26/2004, you wrote:
>That's NOT a good idea. The vibrations from wind and such will either
>loosen the connector (causing duplex noise) or crack the outer conductor
>on the Heliax (causing duplex noise). ALWAYS use a flexible cable when
>going from Heliax to an antenna. LMR400 should do nicely.
>
>Of course, a quality antenna will come with a pigtail. ;->
>
>Just make sure you weatherproof the bajeebers out of the Diamond.
>
>Joe M.
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