What is the difference between GPS and DGPS?

Related questions

1. Does GPS antenna need ground plane?
2. How does differential GPS improve accuracy?
3. Can satellite radio antenna be used for GPS?
4. How accurate is differential GPS?
5. Can any car get Sirius radio?
6. Do I need a special antenna for Sirius radio?
7. Which antenna is frequency independent?
8. Is antenna active or passive device?
9. Does GPS include altitude?
10. What is GNSS network?

Tags

1. #fixed
2. #precise
3. #positions
4. #whose
5. #position
6. #network
7. #adjust
8. #differential
9. #between
10. #known
11. #provides
12. #ground
13. #signals
14. #based
15. #measurement
16. #theoretical
17. #reference
18. #corrections
19. #distance
20. #these
21. #difference