[time-nuts] New Japanese GPS accuracy

Joseph Gray jgray at zianet.com
Wed Jan 5 00:10:05 UTC 2011


Ah, that explains it. Nothing like being able to market and sell
something to more people for an incentive :-)

Joe Gray
W5JG

On Tue, Jan 4, 2011 at 1:30 PM, Brooke Clarke <brooke at pacific.net> wrote:
> Hi Joe:
>
> I think it's the L1C signal, see:
> http://www.prc68.com/I/DAGR.shtml#GPSs
> 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
> http://www.PRC68.com
>
>
> 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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