Re: [time-nuts] Datum TS2100 10MHz frequency drift

2015-10-29 Thread Esa Heikkinen
Philip Zahariev via time-nuts kirjoitti: Unfortunately I'm not happy with results because 10 MHz output signal after GPS lock (both leds on front "Locked" and "tracking" are "ON") has frequency drift (phase shift) with period around one second plus minus ~18 deg (+-5 ns) compared to other 10

Re: [time-nuts] Datum TS2100 10MHz frequency drift

2015-10-28 Thread Charles Steinmetz
Philip wrote: few weeks ago I acquire TS2100GPS with TCXO. Few days ago receive MTI OCXO and install in device. After replacement change gain and filter constant as described byJason Rabel's post from 9/26/2010 Looking at that post in the list archive, it does not appear to describe any

[time-nuts] Datum TS2100 10MHz frequency drift

2015-10-28 Thread Philip Zahariev via time-nuts
Hello Time-nuts group, few weeks ago I acquire TS2100GPS with TCXO. Few days ago receive MTI OCXO and install in device. After replacement change gain and filter constant as described byJason Rabel's post from 9/26/2010 Unfortunately I'm not happy with results because 10 MHz output signal after