[time-nuts] Seiko watch "leap second enabled"
hmurray at megapathdsl.net
Tue Jul 26 20:05:41 EDT 2016
mikes at flatsurface.com said:
> Why 6/1 and 12/1? Leap seconds can happen any month. June and December are
> only a preference.
Yes, but it's a very strong preference. My reading is that they will use Jun
and Dec as long as they can keep within a second.
Are there any interesting estimates on when that will stop working? How does
that compare to the lifetime of a watch or a software package?
Tom recently said the decay is 2 ms/day per century. We are interested in 2
sec per year. That's 5.5 ms/year. So only 2 or 3 centuries. I won't be
alive, but I'll bet some of our artifacts will still be around. I wonder
what software will look like then.
> Sounds like the world's first fundamentally flawed "leap second enabled"
Sounds like a good reason to put one in a museum. I wonder if it will still
be working when the first bug happens. Will GPS still be transmitting? Will
the batteries it needs still be available? (Maybe time to stash a few in the
These are my opinions. I hate spam.
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