[time-nuts] Loran in the US
phk at phk.freebsd.dk
Thu Mar 8 22:09:33 UTC 2012
In message <D20D95B53D5C40F5ACA05DF98FDB9F08 at vectron.com>, "Bob Camp" writes:
>If they are backing up GPS for telcom, then CDMA timing is the most likely
>target. That gets them to 10 us max and < 1 us typical. Of course somebody
>would have to buy the gear to actually *use* it to do any good... (yes I
>could and have gone on and on about that topic).
Well, they do actually regulate telecoms, so they may simply be told that
it will be a condition for their licenses.
That happened with respect to power backups for cellular towers
after Katrina showed the inadequacy of 3 hours lead-acid backup.
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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