Navigation & Bridge Systems | Speed Logs
NORTHROP GRUMMAN SPERRY MARINE
SPERRY 350 EM
Electromagnetic Speed Log System, Single-Axis Water Speed
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SPERRY 450 D
Doppler Speed Log System, Single-Axis Water Speed
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SPERRY 600 S
Satellite Speed Log System, Dual-Axis Ground Speed, Docking Mode
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SPERRY 600 SD
Satellite and doppler speed log system, dual-axis ground speed and single-axis water speed, docking mode
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SPERRY 600 SE
Satellite and electromagnetic speed log system, dual-axis ground speed and single-axis water speed, docking model
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