An advantage of GPS units is:
A. their line-of-sight reception from satellites
B. their ability to reliably substitute for map and compass
C. their modest battery life
D. their ability to accurately ascertain and track locations
Answer: D
An advantage of GPS units is:
A. their line-of-sight reception from satellites
B. their ability to reliably substitute for map and compass
C. their modest battery life
D. their ability to accurately ascertain and track locations
Answer: D