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Re: [TowerTalk] Coax choice for crank-up - looking for TT experience/rec

To: Samuel <shorton@juno.com>, "towertalk@contesting.com" <towertalk@contesting.com>
Subject: Re: [TowerTalk] Coax choice for crank-up - looking for TT experience/recommendations
From: Alan NV8A <nv8a@charter.net>
Date: Mon, 10 Jul 2017 16:49:36 -0400
List-post: <mailto:towertalk@contesting.com>
How tight a coil can the hardline be coiled into. At present I have two runs of Davis BuryFlex taped together with the control cables for the SteppIR and the rotator, and being guided into a large trash bin when the tower is retracted. Would this work for hardline?

73

Alan NV8A


On 07/10/2017 03:04 PM, Samuel wrote:
Hi David...I have a US TOWER TX-472MDP and I have 2 runs of Andrews 7/8
hard-lines,one run LMR400 and Belden HD rotor wire all attached to a
1/8"steel messenger cable tied to the top standoff and when I raise or
lower tower I have to walk them out into yard when I work on tower or
storms are expected...Was told I could not do it by some folks but it
works...Its not for everyone but I can tell you it works for me...Samuel


On 7/10/2017 12:15 PM, David Aslin G3WGN wrote:
I'm putting together a new contest station and have already decided
on/obtained LDF5-50A for the 150ft runs to the bases of the two
crank-up towers.
Looking for real-life experiences with cable choices for going up the
telescopic crank-up towers.  Seems to me LDF Heliax (either 4-50 or
5-50) won't have sufficient flexibility for the job - the towers are
likely to be up/down frequently for neighbour and passing storm
reasons. Am I too cautious on that score or is a low-loss coax with
stranded core like the Messi & Paolini Hyperflex/Ultraflex series or
LMR 400/600UF a better bet?
73, David G3WGN  M6O

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