9-9A1 A
What is the correct frequency shift and sub-carrier for VHF-DSC?
A. 1300-2100 Hz, sub-carrier 1700 Hz.
B. 1500-2300 Hz, sub-carrier 1900 Hz.
C. 1200-2600 Hz, sub-carrier 1900 Hz.
D. 1500-2300 Hz, sub-carrier 1700 Hz.
