Marina Exam Reviewer: With regard to GPS, when does a civilian receiver may be capable of achieving the same accuracy as a military receiver?

Marina Exam Reviewer

With regard to GPS, when does a civilian receiver may be capable of achieving the same accuracy as a military receiver? 

A. When selective availability is set to zero 
B. When the horizontal dilution of precision is high 
C. When the satellites are all below 15° in elevation 
D. When your vessel is equipped with a Doppler receiver 



Answer:    A. When selective availability is set to zero 

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