<https://seatronics-group.com/hydrographic/depth-sensors-altimeters-hydrographic/rts-cube-sdm/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://seatronics-group.com/hydrographic/depth-sensors-altimeters-hydrographic/rts-cube-sdm/>