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Note | ||
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The Doppler Log (DO - Log) is part of nautical equipment. The operation belongs to the bridge only. |
Summary
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The Doppler log measures speed through water by using the Doppler effect of sound signal reflected from the seafloor or from suspended matter in the water column. Wärtsilä SAM 4682 transducer consists of a total of 3 hydro-acoustic elements of 270 kHz. |
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Transducer Frequency
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Metadata (Metadata Plugin) | ||
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270 kHz |
Contacts
Components
Contacts
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Metadata (Metadata Plugin) | ||||||
Components
The
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system
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consists
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of
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a
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transducer with
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3
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hydro-acoustic
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elements
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installed
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in
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the
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ship's
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keel.
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It
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is
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operated
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from
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the
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bridge.
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No subdevices available. |
Position
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Data logging, storage and archiving
Logged parameters
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Central geographical ship's position and time standard
Metadata (Metadata Plugin) | ||||
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| Time synchronising is regulated by DShip.
Geographical ship's position is provided by DShip.||||
Rawdata storage on board
Metadata (Metadata Plugin) | ||
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| Time synchronization and geographical positioning is done by ||
DShip
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Dship
Metadata (Metadata Plugin) | ||
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Uncorrected measurement data. | ||
Metadata list |
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Data archiving on land
Metadata (Metadata Plugin) | ||
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After the cruise the DShip data set can be extracted from https://dms.awi.de.
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Metadata list |
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|| File format(s) | *.dat ||
|| Calibration certificates | NO || |
Documentation
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Documentation
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