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Dual Head Swath Calculator

Posted by By mosaicmike May 16, 2024Posted inCalculators, Hydrography, Multibeam, Multibeam Calculator, Tilted Head
This is an ADVANCED swath-width calculator for a Dual Head Multibeam system that allows for asymmetric swaths. Enter each sonar's parameters including, physical sonar mount tilt, lateral sonar offset from…
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MBES Patch Test – Tilted Head Line Spacing Calculator

Posted by By mosaicmike April 6, 2024Posted inCalculators, Hydrography, Multibeam, Multibeam Calculator, Tilted Head
Calculate the line spacing required and view the cross-section areas for a tilted multibeam sonar head. X-Axis = Positive Forward Roll = Positive as Port side goes upY-Axis = Positive…
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MBES Survey Total Time Calculator

Posted by By mosaicmike November 23, 2023Posted inCalculators, Multibeam, Multibeam Calculator
Calculate the total time a survey will take given using a traditional (single-swath) MBES. You must enter the swath width, size of the survey area, average depth and speed of…
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New Beamwidth after Frequency Change

Posted by By mosaicmike September 19, 2023Posted inCalculators, Multibeam, Multibeam Calculator
Calculates the resultant along-track and across-track beamwidths of a multibeam echosounder at a specific frequency using the known beamwidths at a specific reference frequency. Sonar Settings: Enter the Beamwidths of…
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Video – The History and Importance of Hydrography by Charles Brennan

Posted by By mosaicmike May 15, 2023Posted inHydrography, Multibeam, Sidescan, Training
Surveying has been called the second oldest profession in the world.  However, at some point before angles were taken, someone stuck a stick in the water to determine how deep…
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Yaw Patch Test – Lines in Opposite Directions??

Posted by By mosaicmike April 25, 2023Posted inHydrography, Multibeam, Patch Test
It is written in stone, somewhere in the ancient library of Multibeam Surveys, that Yaw Patch Test Lines MUST be in the same direction. The results are shown below: Yaw…
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Roll Patch Test Line Spacing – Tilted Head

Posted by By mosaicmike February 8, 2023Posted inCalculators, Hydrography, Multibeam, Multibeam Calculator, Patch Test, Tilted Head
This calculator has been superseded by a new page (link below) that calculates Line Spacing for all three Patch Tests when using a tilted head. https://mosaichydro.com/mbes-patch-test-tilted-head-line-spacing-calculator/
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Hits per Grid Cell Calculator

Posted by By mosaicmike January 24, 2023Posted inCalculators, Hydrography, Multibeam, Multibeam Calculator
This tool calculates the number of sonar hits (beams or soundings) in a user-specified square grid cell based on Swath Width, Sonar Range, Sonar Altitude, Speed of Advance, and Ping…
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Tilt Adapter Lever Arm Calculator

Posted by By mosaicmike November 27, 2022Posted inCalculators, Hydrography, Multibeam, Multibeam Calculator, Tilted Head
This tool calculates the resultant lever arm (shifted port/stbd & up/down) after rotating the sonar on a tilt adapter. Start with your current lever arm and the vertical distance from…
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Sidescan Sonar – Efficient Line Planner

Posted by By mosaicmike November 15, 2022Posted inCalculators, Hydrography, Sidescan, Sidescan Calculator
This tool calculates two sets of line-pair spacings to reduce the data acquisition time compared to running lines with a set line spacing by over 35%. Referring to the diagram…
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