Automatic Direction Finder Automatic Document Feeder Australian Defence Force Astrophysics Data Facility Automatic Direction Finding African Development Fund acid detergent fiber Advanced Day Fighter African Development Foundation Asian Development Fund Access control Decision Function Adapter Description File Advanced Development Facility Air Defense Fighter Amsterdam density functional Annular Dark Field annular dark-field Australian Defence Forces actin depolymerizing factor Adaptive Digital Filter ADdress Field Allied Democratic Forces Andorran Franc Application Data File Approved Deposit Fund authentication data function Automated Design Facility Automatic Display Finder Automatically Defined Function Avian Development Facility
Automatic Direction Finder
Automatic Direction Finding