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[TowerTalk] Cable question

To: towertalk@contesting.com
Subject: [TowerTalk] Cable question
From: Greg - AB7R <ab7r@cablespeed.com>
Reply-to: ab7r@cablespeed.com
Date: Fri, 12 Sep 2008 15:37:30 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Looking for some assistance identifying some cable.  The only writing on the 
jacket 
is 1996 COMMSCOPE.

It's about 7/8 diameter, copper center conducter, a fairly stiff foam (I think) 
dialectric and a full aluminum shielding (not braid).

I called Commscope and at first the tech thought it would be 50-ohm cable but 
all 
their 50-ohm stuff with the above characteristics has more writting on the 
jacket.  
So he thinks its probably more likely to be CATV cable at 75-Ohms.  Probably 
has a 
loss of about 1.8-2 dB per 100ft at 2000 MHz.  That's gotta be pretty low for 
HF/6M!

Anyone out there familiar with this cable?  I have a run of about 150-ft from 
my 
shack to my tower and wondering if it is worth it to replace the buryflex I 
have in 
there now with this stuff.  I have 2 runs from shack to tower.

I'll probably get the cable pretty cheap...maybe about $25 for a couple large 
spools but each only has maybe 150-200 ft on it.  New N connectors will cost me 
about $40 each.  Then adapters from N to UHF.  

The cable is pretty old....1996 but has been unused and on its original wooden 
spool and stored outside.

-------------------------
73,
Greg - AB7R
Whidbey Island WA
NA-065




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