This report describes/the results of tests conducted at the Technical Development Center of the Civil Aeronautics Administration with the model DIC distance-measuring interrogators developed by the National Aeronautical Corporation. The Model DIC interrogator provides continuous indication of distance from a selected ground station. It is composed of a receiver, distance indicator, transmitter, and associated distance-searching and -tracking circuits. Typical performance data for equipments developed under the contract are presented, along with the results of tests made to determine compliance with the development specifications.
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