Re: [time-nuts] Seiko watch "leap second enabled"

[Hal Murray]

mi...@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"
> watch. 

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 
freezer.)



-- 
These are my opinions.  I hate spam.



___
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.

Re: [time-nuts] Seiko watch "leap second enabled"

[Mike S]

On 7/21/2016 12:09 AM, Mike Cook wrote:
> «  Seiko Astron enters the leap second data receiving mode after the
> first GPS signal is received on or after June 1st and December 1st. »
> (User Manual)

Why 6/1 and 12/1? Leap seconds can happen any month. June and December
are only a preference.

Sounds like the world's first fundamentally flawed "leap second enabled"
watch.
___
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.

Re: [time-nuts] Seiko watch "leap second enabled"

[Jason Ball]

The watch is fine.  Ive intentionally set it to be off time to have it
automatically recover with essentially leap second precision.

On 21 Jul 2016 3:25 p.m., "Mike Cook"  wrote:

> While I was googling for reports of other misbehaving GPS chips, I
> discovered the existence of the worlds first leap second enabled wrist
> watch.
> Seiko introduced the Astron models 8X53, 8X82, 7X52 which automatically
> check for a leap second on …….
>
> «  Seiko Astron enters the leap second data receiving mode after the first
> GPS signal is received on or after June 1st and December 1st. »  (User
> Manual)
>
> D’OH!…
>
> Maybe one of Homer’s inventions.
>
> If any of you have one, have you checked how it has reacted?
>
>
> "The power of accurate observation is commonly called cynicism by those
> who have not got it. »
> George Bernard Shaw
>
> ___
> time-nuts mailing list -- time-nuts@febo.com
> To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
>
___
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.

[time-nuts] Seiko watch "leap second enabled"

[Mike Cook]

While I was googling for reports of other misbehaving GPS chips, I discovered 
the existence of the worlds first leap second enabled wrist watch.
Seiko introduced the Astron models 8X53, 8X82, 7X52 which automatically check 
for a leap second on ……. 

«  Seiko Astron enters the leap second data receiving mode after the first GPS 
signal is received on or after June 1st and December 1st. »  (User Manual)

D’OH!…

Maybe one of Homer’s inventions.

If any of you have one, have you checked how it has reacted?


"The power of accurate observation is commonly called cynicism by those who 
have not got it. »
George Bernard Shaw

___
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.