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Re:IPhone 4S has GLONASS in addition to GPS by zb on Wednesday October 19, 2011 @09:43AM (#3130069)
It means more satellites in the constellation(s), and in circumstances where that makes the difference between getting a GPS/GLONASS fix and having to rely on cell tower/WiFi positioning then the difference in accuracy would be very significant.
Re:IPhone 4S has GLONASS in addition to GPS by flipbrad on Wednesday October 19, 2011 @01:58PM (#3131256)
Isn't that point confirming what I said, albeit confusing redundancy (availability of other systems as backup when GPS fails) with accuracy?
Re:IPhone 4S has GLONASS in addition to GPS by zb on Wednesday October 19, 2011 @02:40PM (#3131448)
I'm not talking about the entire system failing and falling over to the other, I'm talking about the probability that from any given point you can see enough satellites to get a fix. More satellites is better.