[time-nuts] Measuring coax temperature coefficient with a TICC
hmurray at megapathdsl.net
Wed Apr 19 14:57:16 EDT 2017
kb8tq at n1k.org said:
> 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 …).
Does that effect the propagation time?
If I gave you a good scope picture of a pulse after going through chunk of
coax, could you figure out the ratio of copper to steel? Would you need to
know the length or could you figure that out too?
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