Instead of Stable32, try Ulrich Bangerts plotter tool, it has a host of stability analysis built in and is easier to use than Stable32 in my opinion.
Its also free. Bye Said Sent From iPhone On Oct 21, 2012, at 14:21, David Hooke <[email protected]> wrote: > Hi All, > > I have an HP 58503A and a Symmetricom 58503B which are behaving quite > differently to one another using a common antenna. Using Z38xx, there's > almost an order of magnitude difference between the reported ADEVs at 40k > seconds (HP:7e-13, Sym:5e-12). Both have 10811 oscillators and are reporting > similar ADEVs up to about 1000 seconds. The Symmetricom is also showing large > daily temperature variations, while the HP is stable, noting that ambient is > varying 5-10dC over a day (I'll measure this from now on). > > I connected my modified Tbolt (new/good oscillator removed from PCB, old > temperature sensor chip removed from PCB and bonded to oscillator can), which > is showing performance between the two 58503s, although it's only been > connected for a day (but has been powered for weeks). > > So is my HP 58503A telling me fibs, or is the Symmetricom crook? > > I'd like to do a three cornered hat comparison between them. I'll collect PPS > TI data (A-B, A-T, B-T) using Timelab and a PM6681 (the only TIC I have), but > need help on how to post-process the data sets to isolate the individual > units' performances. > > Any tools out there to help (without purchasing Stable32)? I can use Perl to > manipulate the raw data, but don't have the maths skills to do the analysis > myself. > > Thanks, > > david (still an apprentice TN, but probably addicted already). > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
