On 05/02/2012 03:50 AM, Dennis Ferguson wrote:

On 2 May, 2012, at 04:30 , Tom Van Baak wrote:

The UTC offset is in words 6-10, page 18, subframe 4 -- every 12.5 minutes.
/tvb

The leap second warning is also in the same place.  How the unit could
know that a leap second is pending but not know the UTC offset is a
mystery.

Well, there is such things as software bugs. The upcoming leapsecond is kind of unique as it has been a very long time since the last in June, which was June 1997.

http://en.wikipedia.org/wiki/Leap_second

So, it is not surprising that there can be some issues with it. As I recall, the format of the GPS message is such that one should be able to execute it correctly even if one does not know the rules. The bugs I have seen comes from software trying to apply the rules, but does it incorrectly.

Cheers,
Magnus

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