You can get a length measurement from one end with a inexpensive (<$100) VNA
like the NanoVNA. And you'll be able to tell if there's damage somewhere along
the length.
On Wed, 23 Oct 2024 13:47:33 -0400, Art Greenberg <art@artg.tv> wrote:
On 10/23/24 13:30, sawyered@earthlink.net wrote:
> In my opinion, if the HL is so old or worn or both that you can no longer
> read the stamping on the outer jacket, I would pass on it unless a direct
> loss inspection can be made and also cutting backa couple of feet from each
> end and inspecting the solid dielectric and the copper outer jacket. Both
> should look nice and white and the copper shiny. I have HL that is 30 years
> old and that's still what it looks like if you cut it back a couple of feet.
>
> Ed N1UR
Thanks Ed.
This length of line has been in my possession for going on 30 years,
unused and stored indoors. It was only in service for a few years before
I took the repeater out of service and brought it home.
Its been sitting in storage, and came across it while doing some very
late spring cleaning this past weekend. I removed the connector from one
end and the dielectric looks very good. The center pin of the Type N
male connector is soldered on. The outside surface of the helical outer
conductor is dark, but not green.
I have the tools to measure its performance. I'll do that before I
seriously consider putting it into service. I'd have to decoil it to get
a length measurement as well. But at present I don't have an application
for it.
--
Art Greenberg
WA2LLN
art@artg.tv
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