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Echosounder technology
https://niwa.co.nz/fisheries/tools-resources/echosounder-technology
DOBIE Documentation
https://niwa.co.nz/our-services/instruments/instrumentsystems/dobie/dobiedoc
Technical Note No. 98/1 - At What Depth Should DOBIE be Deployed?
https://niwa.co.nz/our-services/instruments/instrumentsystems/dobie/dobie_notes/dobie_tnote1
Technical Note No. 99/1 - Measuring Waves in Lakes and Estuaries is Quite Tricky, data can be Improved by Adjusting Sensor Noise Level
https://niwa.co.nz/our-services/instruments/instrumentsystems/dobie/dobie_notes/dobie_tnote10
Technical Note No. 2000/1 - Conversion of Hydrostatic-Depth Spectrum to Sea-Surface-Elevation Spectrum
https://niwa.co.nz/our-services/instruments/instrumentsystems/dobie/dobie_notes/dobie_tnote11
Technical Note No. 98/2 - Hardware Control Options Explained: Conversion of Volts to Pressure, DOBIE Calibration, Sensor Noise
https://niwa.co.nz/our-services/instruments/instrumentsystems/dobie/dobie_notes/dobie_tnote2
Technical Note No. 98/3 - Task 2 (Time Series) Explained; A Warning About "Water Depth"
https://niwa.co.nz/our-services/instruments/instrumentsystems/dobie/dobie_notes/dobie_tnote3
Technical Note No. 98/4 - Task 3 (Tide Gauge) Explained
https://niwa.co.nz/our-services/instruments/instrumentsystems/dobie/dobie_notes/dobie_tnote4
Technical Note No. 98/5 - Task 4/0 (Wave Statistics) Explained; Plus an Explanation of "Reality Checks"
https://niwa.co.nz/our-services/instruments/instrumentsystems/dobie/dobie_notes/dobie_tnote5
Technical Note No. 98/6 - Task 4/1 (Wave Spectrum) Explained
https://niwa.co.nz/our-services/instruments/instrumentsystems/dobie/dobie_notes/dobie_tnote6
Technical Note No. 98/7 - Power Management
https://niwa.co.nz/our-services/instruments/instrumentsystems/dobie/dobie_notes/dobie_tnote7
Technical Note No. 98/8 - Memory Management
https://niwa.co.nz/our-services/instruments/instrumentsystems/dobie/dobie_notes/dobie_tnote8
Technical Note No. 98/9 - More Wave Statistics
https://niwa.co.nz/our-services/instruments/instrumentsystems/dobie/dobie_notes/dobie_tnote9