Ryan,

LMR400 give you low loss and relatively high temperature stability.
That's what I use. If you can get it at a decent price, use it.

The foam core isolation is sensitive to being squeezed. Also be careful not to make tight bends, but rather let it have large bending radius.

Cheers,
Magnus

On 04/20/2016 10:41 PM, Ryan Stasel wrote:
All,

I’m going to be installing a “permanent” antenna at home, and will need a run 
of about 100ft to get from my workstation, to the mast I’ll be mounting the 
antenna on (Symmetricom 58532A). I’ve seen some indication that both the 
antenna and the Trimble Thunderbolt won’t have any issues with running over 
75ohm cable, but thought I’d ask the “experts” whether I’d be better off with 
some RG6 Quad-shield, or LMR400 (I’ve got a local source that doesn’t know what 
LMR400 is, or what it’s worth)?

Obviously I’d prefer to run and crimp RG6, but if I’d be better off with 
LMR400, I’d rather run that now than go back into the crawlspace again. =)

Also, if it helps, I’ll probably have a Symmetricom/HP 58516A at/near the 
T-bolt so I can experiment with other GPS(DO)s as well (especially one of the 
JRMiller boards I bought and built (but never finished) ages ago). Which brings 
the question, will the T-bolt provide the oomph needed to power that splitter 
and the antenna over that length of cable?

Thanks!

-Ryan Stasel


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