A UAV from SPH Engineering tows a bathymetric sonar just under the surface of a river. (Photo: SPH Engineering)

The shape of water: bathymetry in action

November 10, 2020

As the skipper of Galileo 4, a 50-foot sailboat on the Columbia River, I instruct my crew to […]

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This article is tagged with Eye4Software, GNSS receiver, inertial navigation system, INS, Matteo Luccio, PPP, precise point positioning, SBG Systems and posted in Featured Stories, From the Magazine, Mapping, Survey