[time-nuts] New Japanese GPS accuracy

Jim Lux jimlux at earthlink.net
Tue Jan 4 19:03:39 UTC 2011


http://www.gpsworld.com/gnss-system/augmentation-assistance/news/michibiki-begins-transmitting-positioning-signals-10675

Similar in concept to waas or tass, the satellite provides a nav signal and differential corrections. 

One of the goals is to make a nav system that performs well (sub meter) in urban canyons, which conventional gps does not

On Jan 4, 2011, at 10:39 AM, Joseph Gray <jgray at zianet.com> 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
> 
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.



More information about the time-nuts mailing list