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Re: [RFI] RG-400 UV Resistance?

To: rfi@contesting.com, cw_de_n5op@sbcglobal.net
Subject: Re: [RFI] RG-400 UV Resistance?
From: Gary Johnson <gwj@wb9jps.com>
Date: Tue, 13 Jul 2021 22:28:45 -0700
List-post: <mailto:rfi@contesting.com>
Here is a relevant observation on Belden RG-304 which is similar. A 100 ft 
length was outside in NorCal weather for at least 18 years. I am reusing it 
regularly. The tan jacket darkened slightly. The paper strip with Belden info 
printed on it degraded a bit. The silver plated braid is darker due to some 
oxidation, which occurs over time with all coax that I’ve ever seen. Still 
easily soldered. 

Years ago, I regularly specified FEP jacketed cable for long term use at China 
Lake and the Nevada Test Site. No weather related problems, and as a bonus the 
rats didn’t chew on it.

Gary NA6O  

> I have some RG-400 with which I'm making some K9YC CMCs. But I can't 
> find anything specific about the jacket's resistance to sunlight: only 
> that "FEP is resistant to sunlight." How resistant is it? Do I need to 
> worry about it cracking after a few years, or is it as good as anything 
> else, such as Belden 8267 (aka RG-213) in this regard?
> 
> Kim N5OP

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