Special Features:

Preset to channel 27; parachute retarded; 1, 3 or 8 hour selectable life; 60 and 1000 ft operating depth; launch envelope e or f-1

Properties:

A water buoyant item designed to intercept underwater sound waves for the specific purpose of retransmitting the received sounds in space via electromagnetic waves and/or intercept electromagnetic waves for the specific purpose of retransmitting the intelligence as underwater sound waves. See also buoy, radio transmitting.