Navigation > Satellite Compass
MARINELITE GC20
MARINELITE GC20 is a maintenance-free multi-GNSS satellite compass by MARINELITE delivering 0.5° RMS heading accuracy, fast Rate-of-Turn (ROT) output, and 6-port NMEA 0183 distribution for radar, ARPA, AIS, and autopilot systems.
Product
MARINELITE GC20
MARINELITE GC20 is a maintenance-free multi-GNSS satellite compass by MARINELITE delivering 0.5° RMS heading accuracy, fast Rate-of-Turn (ROT) output, and 6-port NMEA 0183 distribution for radar, ARPA, AIS, and autopilot systems.
The MARINELITE GC20 from MARINELITE is an IMO/CCS type-approved GNSS satellite compass (THD – Transmitting Heading Device) utilizing front-loaded carrier-phase decoding across GPS, BeiDou, GLONASS, and Galileo constellations. With 0.5° RMS heading precision, built-in 3-axis gyro/tilt pitch-and-roll compensation, up to …
High-Precision 0.5° RMS Heading
Carrier-phase GNSS baseline decoding provides drift-free true north he…
Built-In Gyro Roll & Pitch Compensation
Maintains uninterrupted heading stability up to 90°/s turning rate in …
6 High-Speed NMEA 0183 Ports
Outputs HDT, THS, ROT, RMC, VTG, GGA, and ZDA sentences to radar, AIS,…
HD Touch Color Display Unit
Clear compass rose, digital heading, ROT bar, and SOG/COG readout with…
Zero Mechanical Maintenance
Solid-state antenna array with no spinning gyro sphere or periodic ove…
Key Features
Key Features & Operational Capabilities
Engineered by MARINELITE for professional maritime reliability, compliance, and seamless shipboard integration.
- High-Precision 0.5° RMS Heading
- Built-In Gyro Roll & Pitch Compensation
- 6 High-Speed NMEA 0183 Ports
- HD Touch Color Display Unit
- Zero Mechanical Maintenance
Where It Is Used
Maritime Applications & Vessel Types
Discover how the MARINELITE GC20 supports critical operations across commercial fleets, workboats, and leisure vessels.
Technical Specifications
At a Glance
Heading Accuracy
0.5° RMS (Static & Dynamic)
Constellations
GPS, BeiDou, GLONASS, Galileo
Follow-Up Rate
Up to 90°/s (Update rate up to 50 Hz)
Cold / Hot Start
Cold Start ≤ 32s / Hot Start ≤ 1s
Data Outputs
6 × IEC 61162-1 / NMEA 0183 Ports (HDT, THS, ROT, GGA, RMC)
Power Supply
12 – 24 V DC
Certifications
IMO MSC.116(73) THD Compliant, CCS / DNV
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