Highlights of Simrad’s sound in water innovations…Highlights of Simrad’s sound in water innovations…

1953 – First Sonar / Echosounder1955 – Basdic hand operated Sonar 1957 – First commercial fishing Sonar1959 – Sild ASDIC released1961 – First Echosounder for fishery research 1962 – First Echosounder using transistors 1965 – FH Trawl Eye cable based trawl instruments 1969 – FL Trawl Link radio based trawl instruments1970 – Echo Integration1974 – Hydraulic deployed SU Sonar 1976 – Moulded multi element ceramic transducers / Catch sensors1977 – First Sonar screen display1978 – First microprocessor menu-driven Echosounder 1979 – FA100 Acoustic catch sensor / ST Sonar with inflatable dome deployment.1981 – Multi-beam Sonar / Digital signal processing1984 – First 90°vertical tilt Sonar / Split-beam Echosounders1989 – Dynamic Range Echosounder / Spherical transducer Sonar 1991 – ITI introduced 1992 – First Trawl Sonar 1996 – First multi-frequency Sonar1998 – Computer style operation of Echosounders2000 – PI Sensors introduced / Computer style operation of Sonar

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