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MGC R3

Gyro Compass and INS

The MGC R3 COMPASS system is IMO type approved as a gyro compass for navigation purposes for use together with a heading and bearing repeater. Very high reliability is achieved by using Ring Laser Gyros with no rotational or mechanical wear-out parts. Typical applications will output heading, roll, pitch and heave accurately.

Advanced Marine Technology

The MGC R3 product is a fully inertial navigation system (INS). It can output heading, roll, pitch, heave, position, acceleration, and velocity of linear motions, as well as angular rates. The unit is suitable for high precision maritime applications such as offshore operations and seabed mapping. It includes integrated navigation algorithms with input from a GNSS receiver for output of aided position and heading data.

Optimized for Accuracy and Performance

Proven PFreeHeave algorithms are part of the MGC R3 navigation algorithms that enable down to 2 cm accuracy in delayed heave output and 5 cm accuracy in real-time heave output. The MGC R3 outputs both processed and raw (gyro and accelerometer) sensor data and comes with Windows based configuration and data presentation software, the MRC+. This enhanced technology allows the delivery of precise high output data rates (200 Hz) and the management of relative (dynamic) heave position, velocity, and acceleration.

Software defined switchover solution

The MGC gyro compass solution comprises two or three MGC COMPASS units with the JB7 junction box in an interconnected setup which delivers an unmatched redundant SoU system. The Switch-over-Unit functionality is implemented to increase the heading availability by adding redundancy. When two or more MGC units are set up with the Switch-over-Unit functionality, they are regarded as one gyro system.

Key features

  • 0.004° roll and pitch dynamic accuracy
  • 0.04° heading accuracy GNSS aided
  • Includes INS capability
  • Outputs on RS-232, RS-422 and Ethernet
  • High output data rate (200 Hz)
  • Precise heave at long wave periods by use of PFreeHeave algorithms
  • Lever arm compensation to two individually configurable monitoring points
  • Small size and low power consumption
  • Each MGC delivered with a Calibration Certificate
  • Selectable communication protocols in the Windows based configuration software
  • Software defined switchover solution is available

Product range

    Technical specifications

    Output

    Roll/pitch Static RMS:
    0.01°
    Roll/pitch Dynamic 1-sigma:
    0.004°
    Heave (period, real-time):
    5cm (25sec)
    Heading (sec/lat) (GNSS aided):
    0.04°
    Free inertial (GNSS aided):
    2 nm/h

    Downloads

    Data sheet

    Manuals

    Release notes

    Get in touch!

    In addition to our many offices around the world, our global dealership network enables distribution to more than 100 countries to meet customer needs at any location. Find your local dealership or Kongsberg Discovery office here. 

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