[time-nuts] Warped back to 1993

mc235960 mc235960 at gmail.com
Wed Aug 14 03:58:20 EDT 2013


Le 14 août 2013 à 09:44, David Malone a écrit :

> On Sun, Aug 11, 2013 at 03:12:00PM +0200, Magnus Danielson wrote:
>> I'm sure that the NTP drivers can be hacked to make necessary
>> adjustments without too much code.
> 
> I seem to have been caught by the same time warp (or a similar one)
> on a GPS unit that I've been using with our NTP server since 1999.
> I doubt I will be able to update the firmware, so I've made the
> change shown below to the NTP NMEA refclock. It assumes that your
> GPS unit might be slow by a multiple of 1024 weeks, and trys to get
> the timestamp within 512 weeks of the current system time before
> feeding it to NTP.

    Considering the small number of time nuts  this issue is taking on leap second dimensions. I wonder how many commercial systems have had down time due to this? 
    I'll have to dig out and test all my sleeping receivers to see which have turned into boat anchors.




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