Retractable sensor array system
Retrievable volumetric/planar acoustic array apparatus
Retroreflector apparatus for remote seismic sensing
Reversible fish finder apparatus
Rib stiffened sound wave projector plate
Rigid foraminous microphone probe for acoustic measurement in tu
Rigid sting extension for ocean turbulence measurement from...
Ring-shell projector
Rotary subwoofer marine seismic source