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The Global Acoustic Positioning System (GAPS) combines an ultra-short baseline (USBL) acoustic positioning system and an inertial navigation system (INS) in the same housing to provide accurate position of any subsea object supplied with a transponder. Operating range is up to 4000m water depth with accuracy 0.2 percent of the distance to the object. The registration angle of 200 degree also enables position registration in shallow water. vessel:heincke:gaps (2359) |
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Metadata (Metadata Plugin) | ||||
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| GAPS: from 22 to 30 kHz; Transponder: 19.5, 20.0, 20.5 or 21 kHz||||
Contacts
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Position
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Data logging, storage and archiving
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Time synchronising of the PC with MMI-Software via Windows-Domain-Affiliation. Centering of GPS-antenna position to GAPS and to transponders. | ||
Rawdata storage on board
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| If pinging is started, raw data are stored on PC where MMI software is installed in folder C:\\IXSEA\data\.
Content of positioning records of type $PTSAG is stored in DShip system.
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DShip
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| Uncorrected measurement data.||||
Metadata list |
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Data archiving on land
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| After the cruise the DShip data set can be extracted from https://dms.awi.de.
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Documentation
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