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@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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