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Problem of the Week: September 6

September 6, 2011
Problem of the Week: GPS Receivers

Which of the following are some of the major sources of error in GPS measurement that may be attributed to the GPS receiver?

(A) broadcast ephemeris error

(B) multipath

(C) quartz crystal clock biases

(D) both B and C

The answer is (D).

This is problem 21 (11-3) from the NEW third edition of “Surveying Solved Problems for the FS and PS Exams” by Jan Van Sickle, PLS (formerly "1001 Solved Surveying Fundamentals Problems"). Reprinted with permission from “Surveying Solved Problems for the FS and PS Exams” by Jan Van Sickle, PLS (2008 Professional Publications Inc.). For details on this and other FLS exam-prep books, call 800/426-1178 or visit www.ppi2pass.com.