[USRP-users] USRP time with GPSDO

Sivan Toledo stoledo at tau.ac.il
Mon Apr 29 04:41:59 EDT 2013


We have 2 N200's with GPSDOs, connected to different Linux computers. We
discovered that their times (the metadata time stamps) differ by 2 or 3
seconds.

We eventually traced that to differences in the clocks of the two linux
boxes (one was not running ntpd). However, I am still puzzled by the fact
that the USRP time came from the computer's time and not from the GPSDO
time.

Is that behavior (getting the time from the computer even if a GPSDO is
intalled) normal?
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