positioning apparatus for seismic cables and energy source controls; namely, marine seismic computers, source controllers, remote cable levelers, compasses, compass levelers, heading/depth sensors, towed array position monitoring and control apparatus, marine digital telemetry apparatus, seismic data acquisition modules and digital streamers

Geophysical Apparatus in the Nature of Bearing Compasses for Seismic Cables

positioning apparatus for seismic cables and energy source controls; namely, marine seismic computers, source controllers, towed array position monitoring and control apparatus, marine digital telemetry apparatus, seismic data acquisition modules and digital streamers