[time-nuts] New Japanese GPS accuracy

[Poul-Henning Kamp]

In message <AANLkTimGaAkx-oJHEuPbmTSfrfH8QLRsVM5SdQXsSmDU at mail.gmail.com>, Jose
ph Gray writes:
>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/

As far as I know, it is a geo-synchronous polar orbiting D-GPS system.

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