I've never heard that and have seen no evidence to support it. It's all
good stuff and all is a copper clad aluminum center with an aluminum jacket.
At HF there is almost no difference in loss...it's probably slightly higher
due to the smaller center conductor of 75 ohm cable. It's not worth
worrying about.
73, Ty K3MM
-----Original Message-----
From: Floyd Soo, W8RO <hires@mail.rust.net>
To: towertalk@contesting.com <towertalk@contesting.com>
To: <towertalk@contesting.com>
Date: Tuesday, October 28, 1997 17:27
Subject: [TowerTalk] CATV Hardline
Gang,
I have heard that certain CATV hardlines are better than others for
HF use on ham bands. It had something to do with if the hardline was
made of copper or aluminum. I have never seen any copper CATV line,
but have seen a ton of the aluminum stuff given away to anyone that
asks for it. The thoughts presented had something to do with high
resistance to the RF even at HF frequencies of the aluminum.
Is threre any evidence of this from your collective experience? If
so, how do I go about determining what CATV hardline is good for HF
use and which ones are not?
Thanks in advance for your help!
73,
Floyd Soo, W8RO
Board Member, Net Mgr. and Advertising Mgr.,
Collins Collectors Association (member #2)
hires@rust.net
http://www.rust.net/~hires
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