Why does GPS depend on relativity?

Related questions

1. What is a GPS A approach?
2. Is Galileo better than Glonass?
3. How accurate is GNSS?
4. How many GNSS systems are there?
5. Do smartphones have GPS receivers?
6. What are the main segments of GPS GNSS system?
7. What is the difference between GNSS and GPS?
8. What is Isgps?
9. Will GPS work without wifi?
10. What is an RNAV Z approach?

Tags

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2. #difference
3. #experience
4. #affected
5. #special
6. #speed
7. #slower
8. #faster
9. #orbits
10. #stationary
11. #because
12. #shows
13. #satellites
14. #around
15. #relative
16. #microseconds
17. #slight
18. #moving
19. #earth
20. #relativity
21. #object