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Both transmitter and receiver use tubes and transistors.
The control unit has a mechanical frequency display, receiver and transmitter are remote- controlled by a 7- wire cable; the crystals in the oscillator circuit are switched mechanically.
The radio set comes from an out of order Noratlas. It was mounted to a board covered by aluminium (to simulate the hull of the plane). Between 1973 and 1979 it was used in a DO-27 of the BW flying sports group to communicate with civilian air fields. (The Do-27 had no equipment for these frequencies).
By using the aluminium plated board, the original Collins fin antenna could be used: the duoband- antenna 37R-2U.
The antenna elements are printed circuits, the plastic housing of the antenna is filled with plastic foam.
Technical data radio: