The distance measuring precision for DME is _______ .
A.±0.5NM
B.3% of the distance between the aircraft and the antenna
C.±0.9NM
D.the greater of A or B
正确答案是D
The distance measuring precision for DME is _______ .
A.±0.5NM
B.3% of the distance between the aircraft and the antenna
C.±0.9NM
D.the greater of A or B
正确答案是D