[time-nuts] Thermal effects on cables

jimlux jimlux at earthlink.net
Fri Jan 13 09:03:05 EST 2017

On 1/12/17 10:52 PM, Ole Petter Ronningen wrote:
> Hi, all
> The question of phase shifts in cables pops up every now and then on this
> list - I stumbled across a good table of measured phase shifts with
> temperature in different cable types in this paper:
> http://www.ira.inaf.it/eratec/gothenburg/presentations/ERATEC_2014_PresentationWSchaefer.pdf
> that I though would be of interest to others.

and they mention the notorious problem with PTFE
"Beware of the nonlinear „PTFE“ effect around room temperature (mainly
solid PTFE), manufacturers „shift“ that temperature out of practical 
range, foam and composite dielectrics)

Lots of other useful system design info, too..

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