Multibeam Sonar Swath Bathymetry Calculator
Hydrographic surveying & seafloor mapping: Calculate total swath coverage width ($W$), across-track and along-track acoustic footprint sizes, sounding density ($ ext{soundings/m}^2$), and daily survey area rate.
Acoustic System & Array Opening
Nadir water depth beneath transducer
Typical MBES: 120°–140°
Receiver beam resolution (e.g. 1.0° or 0.5°)
Transmitter beam resolution (e.g. 1.0°)
Vessel Survey Operations
Modern MBES: 256–512 soundings/ping
Standard hydrographic survey: 6–8 kts
Swath Coverage & Sounding Density
Total Swath Width W:
--
meters (x water depth)
Sounding Density:
--
soundings / m²
Nadir Beam Footprint:
--
meters circular diameter
Outer Beam Footprint:
--
meters elongated ellipse
| Two-Way Acoustic Slant Travel Time: | -- |
| Actual Operating Ping Rate: | -- |
| Survey Area Coverage Rate: | -- |
| IHO S-44 Survey Order Compliance: | -- |
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