> http://www.ke5fx.com/lnrb_18hrs_phase.png > > No excursions beyond +/- 10 ns so far, we'll see how it does over the next > few days.
Something else I should note is that the 'house clock' GPSDO in the magenta trace (a) is very well-shielded from airflow in an unventilated rack enclosure; (b) has been painstakingly optimized for that very environment; and (c) has been running almost uninterrupted for about 10 years. The LN Rb unit in comparison is unenclosed and strapped to a rack rail with a cable tie. It's a preproduction unit that was GPS-locked at this location for only about eight hours before I started the test. So I'm actually pretty happy with its response to normal room temperature variations, given the handicaps I'm imposing on it. -- john, KE5FX Miles Design LLC _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
