[time-nuts] New Japanese GPS accuracy

Magnus Danielson magnus at rubidium.dyndns.org
Wed Jan 5 18:03:40 UTC 2011

On 01/05/2011 06:53 PM, Bob Camp wrote:
> Hi
> The same three satellites and crazy orbit thing is used by Sirius to
> broadcast satellite radio in the US. It's perfectly optimized if you live in
> a deep canyon (urban or otherwise) in Nebraska....
> The figure 8 stuff would seem to be a lot better for moving data to a
> defined footprint than for setting up a useful navigation constellation.

Well, it is designed to enhance GPS performance locally over Japan and 
maybe not a bad approach for the intention... compare the Chinese or 
European approaches.


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