R6 NAV PRO Compass & Compass+ – High‑accuracy GNSS compass with inertial‑enhanced heading and motion
The TransponderTech R6 NAV PRO Compass series provides high‑accuracy position and motion monitoring for professional mariners, combining DGNSS precision with advanced heading and motion outputs for modern bridge systems.
R6 NAV PRO Compass is a high‑performance DGNSS compass navigator delivering precise position, course and heading data, while R6 NAV PRO Compass+ adds inertial sensor (IMU) support, providing inertial‑enhanced motion monitoring with top‑tier accuracy for position, speed, course, heading and rate of turn. Compass+ includes type‑approved THD (Transmitting Heading Device) functionality, making it suitable as a primary heading source on SOLAS‑class vessels and professional navigation systems.
Together, the R6 NAV PRO Compass and Compass+ support safer, more reliable navigation across a wide range of commercial, offshore and government vessels that require robust heading and motion information for ECDIS, INS, radar and autopilot integration.
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Key features
Shared capabilities – R6 NAV PRO Compass & Compass+
- High‑performance DGNSS compass navigation for position and heading
- High‑accuracy position and course information, suitable for professional bridge systems
- Designed for integration with ECDIS, radar, INS and autopilot systems
- Optimised for use on commercial and SOLAS‑class vessels requiring stable, high‑quality navigation sensor data
- Built for reliability in demanding marine environments
Additional capabilities – R6 NAV PRO Compass+
- Integrated IMU (inertial measurement unit) for enhanced motion monitoring
- Inertial‑aided outputs providing high‑accuracy position, speed, course, heading and rate of turn
- Type‑approved THD (Transmitting Heading Device) suitable as a primary heading source in IMO/SOLAS‑aligned navigation systems
- Improved stability in environments with GNSS disturbances, supporting more consistent heading and motion updates
Typical Application
R6 NAV PRO Compass
- Commercial cargo & tanker vessels
- DGNSS compass for position and heading to ECDIS, radar and conning displays
- Offshore support & coastal commercial craft
- Reliable navigation sensor for busy or interference‑prone regions
- Government & agency vessels
- Robust heading and position data for patrol and inspection missions
R6 NAV PRO Compass+
- SOLAS‑class ships & high‑spec commercial vessels
- Primary heading/THD source for bridge systems
- Enhanced motion monitoring for manoeuvring, coastal passages and harbour operations
- Offshore & support vessels with advanced navigation suites
- Precise heading and rate‑of‑turn data for autopilot, radar stabilisation and INS integration
- Ferries, research and specialist vessels
- Higher‑confidence heading and motion data in complex or dynamic operating areas





