Abstract

A microprocessor-based controller and data acquisition system for LaCoste and Romberg dynamic gravity meters has been designed, tested, and is now operationally functional. The system controls the motion about the three axes of the stable platform and the gravity meter, as well as acquiring gravity data and storing it on magnetic tape. Output format is compatible with LaCoste and Romberg format. Extensive testing has assured that the digital system functions correctly. Recent deep-ocean surveys using the new straight-line meter (SL-1) in conjunction with the new electronics, have resulted in unadjusted cross-over differences of 1.35 mGal.

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