[time-nuts] Thermal effects on cables

[Scott Stobbe]

A google search for digiwave turned up cheap coax at walmart. I don't know
how well copper clad steel holds up in the kHz, low MHz.

On Mon, Jan 23, 2017 at 5:01 PM, Bob Camp <kb8tq at n1k.org> wrote:

> Hi
>
> Back a long time ago the people I was working with spent time looking
> at the impedance of a variety of coax cables. The data they came up
> with on some varieties of cable would suggest that cable is not an outlier…
>
> Bob
>
>
> > On Jan 23, 2017, at 3:08 PM, jimlux <jimlux at earthlink.net> wrote:
> >
> > On 1/23/17 9:16 AM, Bob Camp wrote:
> >> Hi
> >>
> >> Nothing is ever simple if you dig deep enough:
> >>
> >> http://www.jensign.com/RG58U/
> >>
> >> http://www.cliftonlaboratories.com/the_curious_case_of.htm
> >>
> >
> > here's my guess on the curious case cable: it was mismarked by accident
> at the factory (e.g. 93 ohm coax, marked as 50 because someone forgot to
> push the button on the marking machine), and dumped in the scrap bin, and
> then sold by someone who bought the surplus and just read the markings.
> >
> > Or, even sold as a whole spool, likely at a discount, to a
> "knowledgeable buyer" who was willing to take it, mismarkings and all.
> >
> >
> >
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