There are 30 now, but yes, considering some with be on the other side of the world, I am guessing the maximum would be half, and it's safe to assume some of those would be too far on the horizon to use.
Oh, and you only need 4 to give you position, and speed.
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AlanJC @ Dec 20th 2006 8:15AM
There are 30 now, but yes, considering some with be on the other side of the world, I am guessing the maximum would be half, and it's safe to assume some of those would be too far on the horizon to use.
Oh, and you only need 4 to give you position, and speed.