Hi There are a lot of pathogenic firmware releases for some of the CW parts…
Bob On Jun 28, 2012, at 7:59 PM, saidj...@aol.com wrote: > Yes, I am sure, depends on the firmware revision and configuration > settings. Don't want to name any names here though. Secondary firmware can > detect, > and prevent this behavior once you know it exists, and what makes it > happen. > > That's part of what makes the difference between an NCO and a real GPSDO. > With an NCO such as the FTS parts, you get a simple analog PLL that has no > smarts or intelligence, and a GPS receiver that can get hung up when in > holdover for excessive amounts of time. > > There is ample evidence in the time nuts archives that the Trimble GPS have > problems getting a fix in the first place after power-on. Several users > reported that here, and in other places. > > Also, now we are being told that Trimble discontinued the Mini-T, and we > see lot's of customers panicking and looking for replacement solutions as > Trimble seems to not want to offer a replacement product and is giving a > last-time-buy notice. Sorry for those customers, gives an opportunity for > others > to move in. > > bye, > Said > > > > In a message dated 6/28/2012 12:21:27 Pacific Daylight Time, > azelio.bori...@screen.it writes: > >> other GPS receivers have the same exact problems when left in >> holdover for hours or more > > Are you sure? Never seen that behavior on a Trimble, Motorola/iLotus, > uBlox, Sanav or SkyTraq receiver, only on NavSync. > > The locking algorithm of the FTS250 (and maybe the FTS125 too) is a > National LMX series PLL chip (I can't remember the exact part number, have > to check with the FTS250 COO we have). > > _______________________________________________ > 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.