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When you import NMEA0183 into Hydromagic, select SDXDRÂ sentence to import both hi and low frequency data
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What rangefinder is used for the EchoSounder?
The Ainsten US-D1 radar altimeter has been introduced as the new rangefinder for the EchoSounder replacing the pre existing rangefinder. This rangefinder should be smooth and have no sudden movement.