The communication frequency for VOR is between _______ .
A.100Mhz~350Mhz
B.10Mhz~136.975Mhz
C.2Mhz~29.9999Mhz
D.30Mhz~300Mhz
正确答案是D
The communication frequency for VOR is between _______ .
A.100Mhz~350Mhz
B.10Mhz~136.975Mhz
C.2Mhz~29.9999Mhz
D.30Mhz~300Mhz
正确答案是D