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titleAttention:

The Doppler Log (DO-Log) is part of nautical equipment. The operation belongs to the bridge only.

The new DO-Log system was installed in December 2017.

Summary



Transducer Frequency:

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The system consists of twoa transducer  with 3 hydro-acoustic elements installed in the ship's keel. The transducers can alternatively be used, e.g. oneIt is backup.operated Electronicfrom cabinet is mounted in Gravitymeter Room F-632. Hydroacoustic frequency amounts to 270 kHz. Transducer 1 S/N: 17889; Transducer 2 S/N: 17895.the bridge

Subdevices

Position

Data logging, storage and archiving

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Data storage in DShip system.
Time synchronization and geographical positioning is done by DShip receiving the data for logging.

Dship

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0DShip
Uncorrected measurement data.
Metadata list
|| Device name | DO-LogDolog || 
|| Parameters| speed bottomtrack acrossDolog.VDVBW.Sentence; Longitudinal ground speed \[kn\]; speedLongitudinal bottomtrackwater aheadspeed \[kn\]; speedTransverse watertrackground acrossspeed \[kn\]; speedTransverse watertrackwater aheadspeed \[kn\] ||

Data archiving on land

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Metadata list
|| File format(s) | *.txt || 
|| Calibration certificates | NO ||

Documentation

\[kn\]