Hi Rather major typo there
Should be - 2 us would NOT come as a big surprise. Bob On Dec 4, 2012, at 7:39 PM, Bob Camp <li...@rtty.us> wrote: > Hi > > Based on a quick look, the SkyNav does not appear to be a timing specific > part. A 2 us error in a navigation part would come as a big surprise. > > Bob > > > > On Dec 3, 2012, at 11:12 PM, Gabs Ricalde <gsrica...@gmail.com> wrote: > >> I'm using a Symmetricom 58534A GPS timing receiver and a GPS board with a >> SkyNav SKG25A1 module driving stratum 1 NTP servers. >> >> On one of the servers, the ppstest output while the 58534A is connected >> looks like: >> source 0 - assert 1354495734.000000102 >> source 0 - assert 1354495735.000000040 >> >> When I switch the PPS source to the SKG25A1, the ppstest output >> indicates the PPS of that receiver is about 2 us early compared to the >> 58534A: >> source 0 - assert 1354495740.999997923 >> source 0 - assert 1354495741.999997905 >> >> The setup looks like this: >> 58534A GPS -> 10 m CAT5 cable -> MC3486 RS422 receiver -> GPIO >> active antenna -> 3 m cable -> SKG25A1 GPS -> GPIO >> >> Both receivers were factory reset before the test. >> I'm planning on getting another GPS receiver to check which receiver >> is at fault. Has anyone found timing differences this large with their >> GPS receivers? >> >> _______________________________________________ >> 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. > > > _______________________________________________ > 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. _______________________________________________ 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.