Joke:Little Known Illnesses
Cool Link:GPSInformation.net
Problem:The Global Positioning System (GPS): Observables

Joke of the Week: Little Known Illnesses

AFROPHOBIA: Fear of the return of the 70's hair styles.

DEJA FLU: The feeling that one has had this cold before.

HYPOCOINDRIA: Fear of not having correct change.

HAIRPIECE SWIMPLEX: Rash caused by wearing a toupee in a pool.

CELESTIAL SEASONINGS AFFECTIVE DISORDER: Herbal-tea addiction.

VISACARDITIS: The heart-stopping sensation brought on by exceeding your credit limit.

SONSTROKE: An attack during the reading of a will.

ROSWELL-BABY SYNDROME: Irrational fear that one's infant might be an alien.

OREOPOROSIS: Disorder caused by too many cookies, not enough milk.


Problem: The Global Positioning System (GPS): Observables

What is the minimum number of satellites that must be available for a differential solution of latitude, longitude, height and time?

(A) 1
(B) 2
(C) 3
(D) 4

Come back next week for the solution!
This is problem 24(11-14) from the new second edition of1001 Solved Surveying Problemsby Jan Van Sickle. Reprinted with permission from1001 Solved Surveying Problemsby Jan Van Sickle (1997, 728 pp., Professional Publications Inc.). For details on this and other FLS exam-prep books, call 800/426-1178 or visitwww.ppi2pass.com .

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Cool Link of the Week: GPSInformation.net

This link has been dubbed “The World's Most Popular GPS Information Resource.”

https://www.gpsinformation.net/