SAR Fundamentals/Navigation instruments theory/Question bank

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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.

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