[time-nuts] Measuring coax temperature coefficient with a TICC

Bob kb8tq kb8tq at n1k.org
Wed Apr 19 06:34:49 EDT 2017


> On Apr 18, 2017, at 8:33 PM, jimlux <jimlux at earthlink.net> wrote:
> On 4/18/17 3:55 PM, Bob kb8tq wrote:
>> Hi
>> On something like a 500’ spool of coax, the question will always be “what temperature is it where in the spool”. A single sensor will
>> only give you precise information if the temperature ramp is *very* slow (as in days …).
> measure the DC resistance of the spool, and you'll be able to get a sort of "average" temperature.

I’d want to be pretty sure what the center conductor was made out of. I’ve seen some stuff
in coax that “one would think” should not be there (copper over steel …).


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