This tool calculates the nadir size of a multibeam footprint based on Transmit & Receive Beamwidths and the altitude of the sonar above the bottom. If you do not know the beamwidth of your sonar at a specific frequency, it can be calculated here:
These calculators are informational tools, provided without warranty or cost, and should not be relied upon when planning any survey where financial or safety factors are present. MosaicHydro is not responsible for the consequences of any decisions or actions taken in reliance upon or as a result of the information provided by these tools. MosaicHydro is not responsible for any human or mechanical errors or omissions.