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

[Anthony G. Atkielski]

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