SAR Fundamentals/Navigation instruments theory/Question bank
From PCSAR
Q: Name 3 ways that a GPS can fail.
A:
- radio interference
- blocked view of sky
- cold batteries
- wet electronics
Q: Is a GPS effective in a heavy blizzard?
A: Yes
Q: Is a GPS effective in a canyon?
A: no, (probably not)
Q:
The difference between true north and magnetic north is known as?
A: Declination.
