When asked what this technology will mean to the offshore industry, Geonav vice president Russell Morton explained, "the I-Compass will provide FOG performance at a fraction of the cost of a conventional FOG compass. The design is unique and the system integration was built on our experience in the development of heading sensors for offshore and military applications."
Sustained high-accuracy heading through short-term GPS outages, with 50 Hz data output rates, make this a unique survey tool. Integrating FOG and GPS technologies takes advantage of absolute heading values to convert the rate compass from relative to true north heading with an accuracy of 0.15 degrees rms. Pitch and roll values are measured to an accuracy of 0.2 degrees rms. I-Compass also allows for an improved rate of turn response of up to 100 degrees per second with improved stability compared to autonomous GPS heading sensors.
Geonav Marine Systems, LLC, is an ETS company headquartered in Houston, Texas. Geonav designs and builds hardware and software products that serve three key global markets: the survey and positioning industry, the offshore oil and gas industry, and the commercial marine industry.
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