Tom and all, very few 8X cables are made with non-contaminating jackets. I
don't have a Belden reference here but I would be surprised if their's is
non-contaminating.
Quite a few years ago, I had 8X specially made with a non-contaminating
jacket for sale at Texas Towers. We still offer this product if anyone is
interested in a long life small 50 ohm coax. Any coax, or rotor cable for that
matter, branded Texcom Wire and Cable, has a non-contaminating PVC jacket.
73,
Gerald K5GW ex-ceo, Texas Towers
retired and loving it!
In a message dated 8/27/2010 10:32:18 A.M. Central Daylight Time,
w7why@verizon.net writes:
Hi Don
What makes coax turn black anyway??
I was checking some feedlines here and some off-brand RG8X I have and the
center conductor and the sheild turned both black. It was not just at the
ends but a long way back from the end.
It doesn't look like it was wet.
Looks like I'll have to get rid of a bunch of it. 73
Tom W7WHY
Pete,
Beg, borrow, buy a TDR and look at it that way.
Most coax will last many more years than people believe.
Problems occur from moisture ingress, but, if trimmed when necessary,
will do just fine.
My rule of thumb is: If the shield is shiny, it's OK.
I have 100's of feet of it ready to put into use this Fall/Winter season.
Now all I need to do is get the towers/antennas up!
Good luck
73
Don
N8DE
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