Rob wrote:
Martin Burnicki <martin.burni...@meinberg.de> wrote:
IMO the GPS system designers have made quite a number of wise decisions,
e.g. letting the GPS time simply increase monotonically, which is, from
a technical/usage point of view, similar to TAI.
That decision was wise. The decision to express date in weeks and put
it in a 10-bit field was not so wise. Oh well.
Only the 10 bit field wasn't. However, for a pure navigation system this
doesn't matter at all. Only if you need the current legal date and time
the epoch matters.
With regard to this, using only a truncated 8 bit week number to specify
the week of a leap second event is also not the best solution.
It can only handle a +/-127 week interval, and expanding this to a full
date is ambiguous if there was no leap second event for a period
exceeding this interval.
Martin
_______________________________________________
questions mailing list
questions@lists.ntp.org
http://lists.ntp.org/listinfo/questions
