GPS Flashcards
1
Q
What does GPS stand for?
A
Global Positioning System
2
Q
What does GNSS stand for?
A
Global Navigation Satellite System
3
Q
How many satellites are in the system?
A
24 at 10900 NM
4
Q
How many satellites are in view at any given location on earth?
A
5
5
Q
How many satellites required for RAIM?
A
5
6
Q
What is RAIM
A
Receiver autonomous Integrity monitoring, it double checks the accuracy of signals automatically. Without it GPS data required for IFR approaches is not authorized.
7
Q
Satellites required for 2D position
A
3
8
Q
Satellites required for 3D position
A
4