[amsat-bb] satellite flexible rotor-section coax question

[Miles (WF1F)]

I have been using LMR-600 UF for 15+ years.
Its great.
I no longer worry about coax loss for 2m and 440.
My runs are 100 feet.
I work EME with a Single yagis.

Single 2meter M2, 20 element CP
Single 440 M2 44 element cp.

Miles, WF1F

On 8/26/2018 8:24 PM, David J. Schmocker wrote:
> Hello:
> New to satellite communication I plan to construct a fixed station to work
> satellites.
>
> I am looking to identify best type of coaxial cable to run from my VHF/UHF
> antennas around az/el rotors to the preamplifier (located on the fixed
> mast/support).
>
> Most important coaxial cable requirements include:
>
> Highly Flexible (in upper midwest climate: temperatures range from �15 deg
> to +100 degrees F) in Repeated (continuous) flexing
> Low Loss (while super flex Heliax would be my preference, it�s not designed
> for repeated flexing this application sees
> Full shielding (preserve S/N and overall system noise figure).
>
> I can compare the loss values from manufacturer data sheets; my main
> interest here is to learn what type of cable has withstood the repeated
> (continuous) flexing required to work satellites?
>
> What cable type do you recommend based on your experience?   Thank you   73,
>
> Heliax Superflex?    Times Microwave LMR-600UF?   EcoFlex 15 Plus?   Belden
> 9913Flex?   Something else?
>
> David J. Schmocker, KJ9I
>
>
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