Once upon a time, Richard B. Gilbert <[email protected]> said:
>The last time I heard, there were twenty-seven GPS satellites in 
>service.

There are currently 31 active.

>There are usually anywhere from three to five or six above the 
>horizon at any given time.

It can be up to 8 or 9.

>This kind of accuracy is far more than most people really need.  It's 
>there if you need it even if you only need it for "bragging rights"!

The securities traders (especially HFT) want it.  I suspect the OP is in
that group.  That level of timekeeping has been discussed here before.
-- 
Chris Adams <[email protected]>
Systems and Network Administrator - HiWAAY Internet Services
I don't speak for anybody but myself - that's enough trouble.

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