Kongsberg Simrad EK80 - Dimensional Survey Accuracy Requirements for ADCP Operations

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Dimensionalsurveyaccuracyrequirements
forADCPoperations
Minimumaccuracyrequirementsaredenedforthedimensionalsurvey.Higher
accuracywillprovidebettersurveyresults.
ModestaccuracyrequirementsapplywhenyourEK80systemisonlyusedtoinvestigate
objectsinthewatercolumn.WhenusedforacousticDopplercurrentproler(ADCP)
measurementstheaccuracyrequirementsareincreased.Theaccuracyrequirements
providedhavebeendeterminedfromconsiderationsonhowtheycontributetothetotal
EK80accuracy.Anyerrorsinthesemeasurementsshouldnotcontributesignicantlyto
depthorpositionerrorsinthesoundings.
Note
Thegivenaccuraciesaremaximumvalues.Ifeasilyachievable,betteraccuracies
shouldbeobtained.
Transducer
•Position(x,y):±0.05m
•Position(z):±0.02m
•Pitch:±0.10°
•Roll:±0.025°
•Heading:±0.1°
MotionReferenceUnit(MRU)
•Position(x,y):±0.05m
•Position(z):±0.05m
•Pitch:±0.05°
•Roll:±0.02°
•Heading:±0.05°
Headingsensor
•Heading:±0.1°
Globalpositioningsystem(GPS)(Antenna)
•Horizontalposition(x,y):±0.05m
•Verticalposition(z):±0.005m
Waterlinereferencemark
•Position(z):±0.005m
Dimensionalsurveying