[time-nuts] Delay through GPS antenna splitter/amplifier -- an answer, and a question
Tim Shoppa
shoppa at trailing-edge.com
Mon Mar 12 23:30:22 UTC 2007
Dr Bruce Griffiths <bruce.griffiths at xtra.co.nz> wrote:
> > At the lab I worked at in the 80's, all the cables hanging on
> > the wall-racks were calibrated and labeled in nanoseconds.
> >
> > But... after the ECL signals got turned into TTL, we just didn't
> > care anymore :-).
>
> Your not quite obsessive enough.
> The cable delays (including the antenna to splitter cable) should also
> be a multiple of half the signal period to minimise the effects of
> residual mismatches at either end of the cable.
Signal period? Periodic signals?
If only we had the luxury!
I was not working on the side of the lab where the experiments were
vaporized, though :-).
Tim.
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