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===ADF=== | ===ADF=== | ||
An ADF is ''not'' a radio station, its the the equipment on board of the aircraft to perform [[RDF]] automatically, the Automatic Direction Finder ('''ADF'''). A widely used unit is the [[Bendix_King_KR_87_ADF_Receiver|Bendix/King KR-87]]. | An ADF is ''not'' a radio station, its the the equipment on board of the aircraft to perform [[RDF]] automatically, the Automatic Direction Finder ('''ADF'''). A widely used unit (for example in our C172P) is the [[Bendix_King_KR_87_ADF_Receiver|Bendix/King KR-87]]. | ||
The display unit of an ADF is called '''MDI (Moving Dial Indicator)'''. Usage and functionality is pretty simple: the needle points to the direction of the NDB station. If the needle points directly upwards, this indicates the plane is pointing towards the station. | The display unit of an ADF is called '''MDI (Moving Dial Indicator)'''. Usage and functionality is pretty simple: the needle points to the direction of the NDB station. If the needle points directly upwards, this indicates the plane is pointing towards the station. |
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