Accession Number : AD0688199

Title :   LOCKED FREQUENCY MODIFICATION OF A MARK 6(b) SOURCE.

Descriptive Note : Technical rept.,

Corporate Author : COLUMBIA UNIV DOBBS FERRY N Y HUDSON LABS

Personal Author(s) : Weisman,Irving ; Adler,Seymour

Report Date : JAN 1969

Pagination or Media Count : 90

Abstract : The modifications to the A Mark 6(b) acoustic transducer enables (1) fixed frequency operation by means of an electronic phase lock control system, and (2) towing at depths to 350 ft by means of a self-regulating air balancing system and cable protecting towing chains and fairings. (Author)

Descriptors :   (*ACOUSTIC MINES, MINE CLEARANCE), (*ELECTROACOUSTIC TRANSDUCERS, FREQUENCY STABILIZERS), UNDERWATER SOUND EQUIPMENT, TOWED BODIES, UNDERWATER EQUIPMENT, PHASE LOCKED SYSTEMS, PRESSURIZATION, TEST METHODS, INSTRUCTION MANUALS

Subject Categories : Electrical and Electronic Equipment
      Ammunition and Explosives
      Acoustics

Distribution Statement : APPROVED FOR PUBLIC RELEASE