Africa Surveyors May-June digital issue 2020 by africasurveyorsonline - Issuu
Hydrographic survey marine drone - SB 100 PRO - GPASEABOTS - for oceanographic surveys / for environmental measurements / patrol
Beneath the Waves — Using Professional Survey UAVs to Map the Ocean - senseFly
CHC Navigation - The Apache 4 is a versatile marine drone platform (USV) combining a single frequency echo sounder and an ADCP for highly efficient hydrographic surveys. It significantly increases the productivity