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引言DVOR系统属于它备式导航,或称地面基准式导航。由地面信标台和机载设备组成。VRB-51D是澳大利亚AWA公司生产的全固态DVOR信标,其载波发射机由CGD、CPA、
Introduction DVOR system belongs to its spare navigation, or ground-based navigation. Composed of ground beacons and airborne equipment. The VRB-51D is an all-solid state DVOR beacon manufactured by Australian company AWA. Its carrier transmitter consists of CGD, CPA,