Hi again, On 08/11/2013 03:36 PM, Magnus Danielson wrote: > Hi David, > > On 08/11/2013 08:44 AM, David Taylor wrote: >> Today is the start of a new GPS 1024 week epoch - see: >> >> http://adn.agi.com/GNSSWeb/ >> >> Folks with really old GPS units are reporting problems, those of us >> with current millennium GPS receivers should be OK, though. > I would word it differently, it's the epoch of a particular line of GPS > receivers, but not of GPS itself. > > Remember that any Sunday, it is likely that a GPS reciever have slipped > a multiple of 1024 weeks. NTP drivers should be able to recognice it and > compensate for it, as it is a re-occuring bug in many recievers. > > This issue have been discussed over and over again at time-nuts. I forgot to mention that we have already seen HP/Agilent recievers of the Z3805A and Z3815A generation affected, and that Furuno (maker of the GPS module in them) have issued a statement relating to this wrap-around. See the time-nuts list for details.
Any week is potential for older recievers, but this one seems like a real one. Cheers, Magnus _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
