There is no mention in the AN1002 (GPS disciplined Stratum 2 clock) of the US patent 7,711,230 and that patent (on optical waveguides) has no mention of temperature correction or tempco extraction...
On Thu, Feb 16, 2012 at 8:55 AM, Ulrich Bangert <df...@ulrich-bangert.de>wrote: > Mark, > > > John DuBois and I did > > quite a bit of work to find a way to unwind the osc > > parameters from the available unstabilized reported data > > using SciLab on the log files, but nothing seemed to work > > reliably. > > For some information on how to do that have a look at Analog Devices > application note AN-1002 and at the there mentioned US patent US 7,711,230. > > Best regards > Ulrich Bangert > > > -----Ursprungliche Nachricht----- > > Von: time-nuts-boun...@febo.com > > [mailto:time-nuts-boun...@febo.com] Im Auftrag von Mark Sims > > Gesendet: Donnerstag, 16. Februar 2012 01:56 > > An: time-nuts@febo.com > > Betreff: [time-nuts] Testing a LPRO RB > > > > > > > > Lady Heather's osc drift rate calculation does assume that > > the temperature has been stabilized. John DuBois and I did > > quite a bit of work to find a way to unwind the osc > > parameters from the available unstabilized reported data > > using SciLab on the log files, but nothing seemed to work > > reliably. Generally the data analysis croaked because of > > things like noise and matrix singularities. > > > > Also, if you do stabilize the temperature, it is very easy > > to get the osc tempco. Just turn off the stabilization and > > see how the osc drifts as it warms up. > > > > _______________________________________________ > > 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.