Jim-
For my Yagi feed point I bought a 50' flexible 3/4" garden hose, cut off the
ends and ran the coax through it before terminating it. The hose protects
the coax and provides a good grip for tie wraps going around it and around
the boom.
73,
Steve
N6SJ
-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of James
Wolf
Sent: Tuesday, July 05, 2016 4:59 PM
To: towertalk@contesting.com
Subject: [TowerTalk] Cable routing
I'm looking for suggestions on coax routing.
I've got the Tennadyne log antenna almost ready to go up. I have 12 turns
of coax at the feed point for a choke and the coax connects at the end of
the boom which means that the coax feedline needs to follow the bottom
square tubing which is 1/2 of the boom and is connected to one side of the
coax. In my case I elected to connect the bottom 1/2 of the boom to the
shield.
I'm concerned about attaching the coax to the bottom 1/2 of the boom. I
picked up some black UV protected cable ties and plan to put tape around
them to help keep the sun damage down.
I have experience with VHF/UHF yagi's where I've taped the coax to the boom
to get it back to the mast and over the decades, the best tape has
deteriorated and the cable is now dangling beneath the boom.
I don't want that to happen to the Tennadyne. I've thought about the metal
ties that are used on commercial towers, but since the boom is "hot" I'm not
sure that is a good idea.
Since the two halves of the boom are close together, maybe 3/8" between the
two square booms, it is difficult to get the tape wrapped around it more
than about one turn before you have to cut it and start another piece on top
of it.
Any suggestions on how to secure the feedline to the boom on this antenna?
Jim - KR9U
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