3. GNSS and Satellite Positioning

Gnss Basics — Quiz

Test your understanding of gnss basics with 5 practice questions.

Practice Questions

Question 1

Which GNSS constellation uses Frequency Division Multiple Access (FDMA) for its signal transmissions?

Question 2

What is the approximate wavelength of the GPS L1 signal with frequency \$f=1575.42\,$\mathrm{MHz}$\$?

Question 3

Why do GNSS receivers often track more than the minimum four satellites when available?

Question 4

What time reference do GPS satellites use to timestamp their broadcast signals?

Question 5

Why must GNSS pseudorange measurements be corrected for satellite clock errors?