[TowerTalk] Coaxial Cable Question
n8de at thepoint.net
n8de at thepoint.net
Wed Apr 9 13:15:36 EDT 2014
The yellowing is normally caused by air contamination at the end of the cable.
You might try cutting a length from the spool (a few feet or so) and
then inspecting the dielectric at the place where you cut the coax.
Good luck.
73
Don
N8DE
Quoting Byron Tatum <bjtatum1 at att.net>:
> Hello-
> I thought I would ask just to be sure. I brought home some NOS
> Belden RG-9A/U coax, still on a 1000' reel. The reel was stored
> inside in a radio shop in Okla City, and the wooden spool showed no
> signs of exposure. I really like to use the double shielded cables
> when I can. However, this cable dielectric has a very distinct
> yellowed appearance. The copper shields are nice and bright and show
> no discoloration, and the (gray colored) jacket looks nice.
> Is this cable no good? I am thinking of installing connectors on
> it and measuring the loss, as I have no instruments other than an
> MFJ-259B ant analyzer.
> Any comments on this subject appreciated, as I have saw a yellowing
> in the dielectric of other cables.
> Thanks, Byron WA5THJ
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