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Note
titleAttention:

Please note that operations of the Multibeam Echo Sounder Hydrosweep DS3 requires experienced scientific staff on board and can be only operated upon request. The system is not operated by the ship's crew. Announce Request operations with the Multibeam Echo Sounder Hydrosweep DS3 to AWI-Bathymetry and AWI-Logistics in sufficient time prior to the cruise and clarify the data transfer after the cruise.

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0Frequency
15.513-17 kHz

Responsible Persons

Components

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0Components
???The system consists of hull-mounted transducers, top side hardware and operation software.

Position

Data logging, storage and archiving

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0timestandard
??? Time synchronising of the computers is regulated via ???Polarstern GPS.
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0shipsposition
??? The geographical Geographical ship's position isvia transferred to ???
??? HYDRINS centering ofto theHYDRINS GPSoffset Positioncorrection to the transducers ???in AHC. 

Rawdata storage on board

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0Rawdata
???Mass data: The data acquisition and processing software creates rawdata into the following data structure: ???directory structure of the mass storage. A reduced data set is also stored in the DShip systemsytem. 
Metadata list
|| root directory | ???Data01 ||
|| directory name | CruiseNo \\ e.g. \\ ANT25_3 ||
|| file name | ??? \\ e.g. \\ ??? HS3PHF_YYYY-MM-DDThhmmssZ_XXXXXXXX.asd.acf ||
|| Data volume (MB per day) ca | ???4000 || 
|| Number of files per day ca | ???48 ||

Dship

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0DShip
Reduced set of measurement data

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Space Metadata (Metadata Plugin)
0DataOnLand
After the cruise, the DShip data set operator transfers the measurement data along with required meta data to AWI after consultaion with the data scientist and AWI Logistics. Then, the data including meta data can be extracted from https://dms.awi.de.
??? https://www.pangaea.de/ (for authorized users only) ??? . The reduced DShip data set can be extracted from https://dms.awi.de.
Metadata list
|| File format(s) | ???*.asf, *.hsx || 
|| Calibration certificates | ???NO ||

Documentation

Internal Documentation Survival Guide to use the new Hydrosweep DS3 on FS-Polarstern

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