[time-nuts] Rooftop antenna and splitter

[Leo Bodnar]

> From: Denny Page <denny at cococafe.com>
> Initially, the units were connected to puck antennas that are literally side by side. At approximately 19:15, the units are taken off the puck antennas and connected to the single antenna through the splitter.
> I really didn?t expect such a dramatic change.

It does look significant, with difference dropping to what looks like about 5ns rms.  
I thought most of the timing noise is coming from network performance/topology but it does look like it is GPS performance related.

> From: Bob kb8tq <kb8tq at n1k.org>
> There normally is a ?survey in? process on a GPSDO. The location then gets used to

This particular time server does not use survey-in mode.

Leo