Reference no: EM133934264

Assignment:

Section 1

1) What is the name of the singular fixed point from which all other points are calculated in North America?

2) What two analog instruments were used to measure latitude and longitude before electronic or digital technologies?

3) What was the name of the first computer used to replace older analog navigation instruments?

Section 2

4) Why didn't LORAN need to be encrypted to protect it from the enemy in World War II?

5) Who was the main consumer of the early GPS system and what was it used for?

Section 3

6) What was the Hertz GPS system called and what cars was it installed in?

7) What is the problem of "Selective Availabilty"?

8) When was "Selective Availability" turned off?

Section 4

9) Who founded Gaia GPS?

10) What is Gaia GPS mainly used for?

11) What datum replaced the North American Triangulation System in 1984 (Meades Ranch)?

12) When was the last time you were lost? (your own answer)