> > A possible mechanism occurs to me. High-precision GPS is very vulnerable > to multipath errors. A loos connector will have a significant reflection. > The reflected energy will propagate backwards, and be reflected off the > transmitter output discontinuity, the twice-reflected energy propagating > back to the receiver. The original and the triple-transit echo will add > coherently (for the modulation, not the photons) in the receiver. This > is > a perfect multipath scenario. How long must the cable be? Depends on the > relative strength of main signal and triple-transit echo.
> Joe Gwinn Joe, High precision GPS receivers use various correlator schemes that try to minimize multipath. "Normal" GPS receivers are more vulnerable than geodetic quality receivers. http://webone.novatel.ca/assets/Documents/Papers/PAC.pdf -- Björn _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.