[time-nuts] time-nuts Digest, Vol 102, Issue 80

[Kit Scally]

Mark,

Phase stable cables won't win you much benefit.  You can't go past quad
shielded RG-6 for bangs-per-buck. It's available almost everywhere, cheap
and pretty low loss as 0.25" cables go.  LMR-400 (etc) is a good
alternative.

Kit
VK1LL

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Re my contemplated cable choice, my interest in using Heliax is primarily
driven by shielding and to a lesser extent phase stability considerations.
(I also happen to have some 1/2" Heliax and LMR400 on hand.)  I'm currently
using approx 70 feet of teflon thin net (RG58 style) ethernet cable which I
believe is less than optimal.  I expect switching to 1/2" heliax would also
cut the cable losses by at least 10 to 15dB or so which would be helpful if
the new antenna has significantly less gain.

I'm not relishing installing either Heliax or LMR400 for this application
but I'm thinking if I'm going to buy a better antenna I should upgrade the
cable as well.

Regards
Mark Spencer
 
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