> I'm considering putting up a crank-up tower. What's the best
recommended low-loss feedline for an antenna mounted on a tall crankup tower?
I know
that unfortunately you can't use heliax on a crankup, due to it wanting to
kink (except maybe from the ham shack to the top of the lowest non-moving
section of the tower, probably about 20 feet above ground.) From there, what
do people using things like the tall HDX-5106 towers use, to try to get a
balance between feedline strength and low loss? That length alone could
easily be about 100 feet of feedline, if you have an antenna on the upper part
of a tall mast, and the length needed to get to the driven element.
For the moving coax on the tower, you want something manageable and
that has a stranded center conductor. IMO most any 1/2" coax is fine.
Then you run the other stuff (e.g. bigger, more expensive, etc.) from
the bottom of the tower to the shack.
Cheers & GL,
Steve K7LXC
TOWER TECH
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