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AN/SSQ-41B Sonobuoy

The AN/SSQ-41B Sonobuoy was produced in large numbers for the US Navy. This passive low cost buoy featured high reliability coupled with an improved low-noise suspension system, wideband capability and extended dynamic range. Its omnidirectional hydrophone system operated in a frequency range of 10 Hz to 20 kHz and at depths between 60 to 1000 feet for periods of 1, 3, or 8 hours. Operating on one of 31 channels fixed between 163 and 173 MHz at an RF power level of 1 Watt, the buoy was fully operational after ocean impact, within 60 seconds at the shallow depth and within 100 seconds at the deep setting. If desired this buoy could include electronic function select (EFS) providing a selectable 99 channel RF capability.

The AN/SSQ-41N used a calibrated hydrophone designed to operate from 5 Hz to 2.4 kHz.

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Updated Saturday, December 12, 1998 7:17:49 AM