3. GNSS and Satellite Positioning

Gnss Field Techniques — Quiz

Test your understanding of gnss field techniques with 5 practice questions.

Practice Questions

Question 1

Which meteorological parameter is NOT typically measured on-site for tropospheric delay modeling in GNSS surveys?

Question 2

Given a pseudorange measurement noise of $\sigma_r=0.5\,\mathrm{m}$ and a PDOP of 4.0, what is the theoretical positional error?

Question 3

For a GNSS baseline of 15\,km in a static survey, which error source typically has the greatest impact on relative positioning accuracy?

Question 4

Which information is essential to include in the header of a RINEX observation file to ensure accurate metadata for post-processing?

Question 5

In static GNSS surveys aiming for centimeter-level accuracy, what is the recommended maximum baseline length to ensure reliable integer ambiguity resolution?