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SELF-COMPENSATING MAGNETOMETER (SCM)

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OFG offers the only Self-Compensating Magnetometer (SCM) system that can operate with the sensor mounted inside an AUV, HAUV, USV or ASV to acquire high resolution magnetic data that is automatically compensated and corrected to remove the effects of the vehicle in the magnetic field. 

Our internally mounted magnetometer and propriety software help you avoid the data discrepancies and operational challenges that result from towed or pole-mounted magnetometers.

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Real-time magnetic compensation

3-component compensated vector data

Mounted directly on vehicle

No knowledge of IGRF required

Low Power

<1 Watt 

REAL-TIME COMPENSATION

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COMPENSATED

RAW

This figure compares the raw magnetic data (left) with the compensated data (right) produced by our patented technology. Our system transforms magnetic data in real-time so that you get meaningful and interpretable information from your magnetometer.

The SCM system is comprised of a 1000m or 6000m depth-rated sensor, vehicle calibration procedure, and a proprietary software algorithm that computes a set of correction coefficients to deliver your compensated and corrected magnetic data in real-time.

APPLICATIONS

GEOLOGICAL

  • Exploration

  • Structural interpretation

  • Environmental baseline surveys

  • Geological domain and lithology definition

  • 3D magnetic susceptibility inversion models

RENEWABLES

  • UXO detection 

  • Infrastructure mapping

  • Buried pipeline and cable tracking

MILITARY

  • Ship signature management

  • Underwater munitions

  • Mine countermeasures

ARCHAEOLOGY
AND SEARCH

  • Shipwreck debris

  • Chains, cables, anchors

  • Aircraft

SYSTEM INTEGRATION AND OPERATION

Low power consumption suitable for AUV integration

  • <1 W sensor power draw

Simple and robust data exchange between SCM software and host vehicle

  • ASCII messages over Ethernet UDP/IP

  • User-configurable UDP ports

Single standard subsea connector for power and data

No expertise with magnetic data processing is required to calculate the magnetic signature and compensation coefficients in order to remove the varying field of the vehicle.

No knowledge of local magnetic reference field (IGRF) is required by the sensor or the user to calculate and apply the compensation coefficients.

LET'S START TALKING

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Matthew Kowalczyk
CEO

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