GPS has
- 7 satellites in 3 orbits
- 4 satellites in 6 orbits
- 6 satellites in 4 orbits
Explanation
The GPS constellation is arranged as six orbital planes each containing several satellites, with a nominal four satellites per plane giving the baseline twenty-four-satellite system. Describing it as four satellites in six orbits reflects this plane-and-satellite layout, which ensures enough satellites are in view worldwide for a fix.
huly asking:
24 satllites, not 4
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