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HUMSA active/passive sonar

Country of Origin: India

The Hull-Mounted Sonar Advanced (HUMSA) is an indigenous hull-mounted, medium-range, low-frequency active/passive dual-band sonar developed by India's Naval Physical and Oceanographic Laboratory (NPOL), part of the Defense Research Development Organization (DRDO). The sonar system is optimized for operations in shallow and deep waters.

The system utilizes advanced signal-processing techniques and multiple transmission modes for short- and long-range surveillance....

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