[time-nuts] GPS Outage

Martin Burnicki martin.burnicki at burnicki.net
Fri Feb 26 13:29:03 UTC 2016


Björn wrote:
> "The product will not report the correct extended GPS week number after the Feb,13th 2016.
> After the rollover to week #860, the thunderbolt will not make position for 2 hours, because the Ephemeris data on the GPS receiver being consider incorrect.
> The module will work fine after this 2 hours."
> 
> Have the Motorola Oncore/Navman/Jupiter receivers also been checked for this condition? 

Hm, if this is a bug in the Trimble firmware, why should Motorola or
other brands be affected?

I don't remember I have heard about *this* problem with other GPS
receiver models.

> Strange that at least 3 independant firmware trees/development teams should chose the same magic wk860.

I don't find it strange. If the next firmware version is based on the
previous version and none of the developers has stumbled across this
potential problem earlier ...

Martin




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