Special Features:

Used on poseidon and trident navigational systems

Properties:

An item which makes a permanent representation of electronic signal data derived from target parameters, guidance and evaluation signals, and the like, these signals may be above or below 20,000 hertz. They may be in digital and/or analog form, the characteristics of which limits useful playback to a compatable reproducer. These items usually include multichannel signal input facilities for the simultaneous recording of several types of signals. Excludes recorder, sound.