[time-nuts] Loran in the US

Bob Camp lists at rtty.us
Fri Mar 9 01:45:25 UTC 2012


Hi

Indeed, you *can* use GPS for a lot of things. You pretty much *must* use it for CDMA.

Bob



On Mar 8, 2012, at 6:36 PM, Magnus Danielson <magnus at rubidium.dyndns.org> wrote:

> On 03/09/2012 12:16 AM, Bob Camp wrote:
>> Hi
>> 
>> SDH/SONET generally is line timed rather than GPS locked. It's ultimate authority is the Stratum 1 above it...
> 
> Yes, but GPS/LORAN can be used to build holdover synchronisation, and verify the local cesiums.
> 
> Stratum 1 is the ANSI T1.101 name, also known as PRC in SDH, which is ITU-T G.811.
> 
> Cheers,
> Magnus
> 
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