[time-nuts] New Japanese GPS accuracy

Brooke Clarke brooke at pacific.net
Tue Jan 4 20:30:28 UTC 2011

Hi Joe:

I think it's the L1C signal, see:
I remember reading that they want your cell phone to guide you to a 
shop's front door in a multistory building.   There will be ceiling 
mounted pseudo satellites using the same L1C signal to make that work.

Have Fun,

Brooke Clarke

Joseph Gray wrote:
> No details on how the extra Japanese satellite is making it possible
> to get this accuracy.
> http://www.crunchgear.com/2011/01/04/new-gps-system-boosts-accuracy-to-3cm/
> Joe Gray
> W5JG
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