[time-nuts] Google's Spanner uses GPS and atomic time

J. Forster jfor at quikus.com
Wed Oct 3 01:11:50 UTC 2012


The US, foolishly IMO, has killed LORAN-C and is killing WWVB. Hence my
comment. Essentially, GPS is soon going to be the sole source of a
standard of time interval.

It is going to take a disaster of some kind to return sanity.

-John

===========



> John writes:
>
>> Seems like a good reason to have LORAN-C or some other backup/sanity
>> check.
>
> What LORAN? I thought the U.S. had shut down all LORAN transmissions
> in order to enhance the vulnerability of navigation systems in the
> U.S. (?).
>
> --
> Anthony
>
>
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