I've just run into a website with some autobiographical material by
Essen which covers the developments that originally brought leap
seconds into being:
http://www.btinternet.com/~time.lord/index.html
--
Steve Allen UCO/Lick Observatory Santa Cruz, CA 95064
[EMAIL PROTECTED]
Or put it another way, can you think of a single
application where GPS cannot already deliver
the same TAI as Galileo will someday deliver?
Golly, Tom, it's on your own web page
http://www.leapsecond.com/pages/saoff/
At the whim of the commander in chief, GPS can turn on Selective
The W1K rollover for GPS was in 1999, and all that year was spent
testing various systems to see how they would fail. It would not be
at all surprising if the impending doom of the leap second counter was
noticed during a review of other deficiencies in the GPS system.
Please see:
Some
On Thu 2004-01-01T15:48:01 -0800, Tom Van Baak hath writ:
Some historical notes on the GPS Week Number Rollover
http://www.leapsecond.com/notes/gpswnro.htm
I think the LEAPSECS group will find the part about the
GPS leap second patent quite interesting!
Wow. I can barely imagine being
On Thu 2004-01-01T15:48:01 -0800, Tom Van Baak hath writ:
Some historical notes on the GPS Week Number Rollover
http://www.leapsecond.com/notes/gpswnro.htm
I think the LEAPSECS group will find the part about the
GPS leap second patent quite interesting!
So here is an obvious exercise for the
Must be a slow news year; here's another one...
http://dsc.discovery.com/news/briefs/20031229/atomicclock.html
At least this article is a lot more accurate than
CNN's and a rare popular article that correctly
distinguishes between rate and deceleration (it
mentions 1.5 milliseconds per century):