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The sounder operates several frequencies simultaneously thus allowing to detect fish in different depths. | ||||
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| Manufacturer | Kongsberg | |||
| Model | Simrad EK 60 / EK 80 | |||
| Serial No. | n/a | Type | echo sounder||
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Transducer Frequency:
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18, 38, 70, 120, 200 kHz |
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| Name | Institution | Role | |||||
| Sören Krägefsky | Alfred-Wegener-Institute for Polar and Marine Research | Engineer In Charge | |||||
| Sören Krägefsky | Alfred-Wegener-Institute for Polar and Marine Research | Data Scientist | |||||
| Snoeijs-Leijonmalm | Stockholm University | Data Provider | |||||
| Alfred Wegener Institute for Polar and Marine Research | Alfred Wegener Institute, Helmholz Centre for Polar and Marine Research | Owner | |||||
| polarstern dship | Alfred-Wegener-Institute | dship connector | |||||
| Giulia Castellani | AWI | Data Provider | Svensson | Data Provider||||
Components
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The system consits of five "split beam" transducers (ES-18, ES-38B, ES-70-7C, ES-120-7C, ES-200-7C) located in the box keel, five General Purpose Transceivers (GPTs), two EK80 WBTs (45-90 kHz, 90-160 kHz) and a computer with installed data acquisition and processing software ER60 and EK80 in room A113. |
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| Name | Model | Type | Calibration System for Simrad EK60/EK80 | small scale facility | |||||
| F120/200_kHz transducer | Simrad EK60/EK80 | not assigned | |||||||
| F18_kHz transducer | EK60/EK80 | echo sounder | |||||||
| F38_kHz transducer | Simrad EK60/EK80 | not assigned | Simrad EK60/EK80 | not assigned | |||||
Position
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| Origin Description: | xyz-position calculated from Alignment Survey Report RV Polarstern (2016), transducers located in box keel, electronics located in E525, computers located in A113 | |||
| X: | 73.14 m (X-0 is at the center of der rudder (ref. design drawing of the vessel), positive X-axis is forward and along vessel centerline) | |||
| Y: | 0.022 m (Y-0 at centerline, positive Y-axis is portside ) | Z: | 0.012 m||
Data logging, storage and archiving
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| Parameter | Sensor Output Type | Unit | depth | m | |||||||
Central geographical ship's position and time standard
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