[LEAPSECS] Bulletin C and all that

[Tom Van Baak]

> If the current week number is off by more than +-127 then this is 
> ambiguous. This has rolled over several time in the period where no leap 
> second had been scheduled for 7 years, and all the time the 8 bit week 
> number of the last recent leap second was broadcast.

Yes, see http://leapsecond.com/notes/leapsec256.htm for a full explanation of that one.

/tvb