Mostly the fact that the heliax is tougher and is easier to seal from water.
The 9913 looks acceptable as well.  Haven't used that so I can't speak of
how well it works.  Either way it's going to be way better than 8X cable.

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Dave Skolnick
Sent: Tuesday, November 24, 2009 7:59 AM
To: [email protected]
Subject: Re: [Liveaboard] VHF ant problem

Skip,

The trade-off between price, attenuation, and physical characteristics
is a personal one. While there are bad answers there are also several
good ones. There is no one best answer for everyone.

You can get attenuation characteristics here
http://www.therfc.com/attenrat.htm . Spec sheets for the cable should
have physical dimensions, bend radius, materials, and connector
requirements.

In your shoes *I* would go for 9913 and new silver-plated connectors
with no adapters and no intermediate joins. *You* may quite
justifiably make another choice.

Vern - the attenuation characteristic for that flex heliax you
recommend is high. What does the cable have to offer that overcomes
that in your mind?

sail fast, dave KO4MI
S/V Auspicious
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