The GBAS channel range is restricted to （ ） so that the chan
2023-11-19导航专业业务
The GBAS channel range is restricted to （ ） so that the channel space is segregated from other approach selections.
A.A、20000 to 39999
B.B、40000 to 99999
C.C、50000 to 39999
D.D、50000 to 99999
正确答案是A
