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Marine Satellite compass Provides highly accurate heading data for Autopilot, Radar, ARPA, Scanning Sonar, Current Indicator, Chart Plotter, ECDIS and Autopilot.

Features:

Satellite Compass

(GPS/GALILEO/BEIDOU/GLONASS):

• Front-loaded carrier phase decoding technology, more accurate orientation;
  
• Multi-star system, with faster directional speed;
• Advanced speed and course filtering technology to make the data more stable;
• Built-in gyro compensation system has better heading performance; It has the characteristics of fast start, signal recapture, heading update up to 50 times per second, and turning rate up to 90°/s;
• Multi-channel standard NMEA0183 output, providing high-stability, high-precision ship heading data and positioning data for Radar, ARPA, ECDIS, AIS, Chart Plotter, Autopilot, Sonar and other marine navigation equipment;
• Excellent industrial product design, stylish appearance, easy installation;
• Maintenance free and no recurring cost as there are no mechanical parts.

 

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Interconnection Diagram

Differences between Satellite Compass, gyro compass and magnetic compass

How Marine Satellite Compass Solves Your Navigation Pain Points
Designed for all types of marine vessels-from small coastal boats to large commercial ships-the Marine Satellite Compass eliminates the frustrations that plague traditional magnetic or gyro compasses, turning unreliable navigation into precise, stress-free operation. Unlike magnetic compasses that suffer from magnetic interference (from engines, radar, or metal structures) and require constant calibration, or gyro compasses that are bulky, high-maintenance, and prone to drift, this satellite-based compass leverages multi-constellation GNSS technology (GPS, GLONASS, Galileo, and Beidou) to deliver consistent, high-accuracy heading data-even in the harshest maritime conditions. It directly addresses the core issues mariners face: inaccurate heading readings in high-latitude regions, signal disruptions from magnetic interference, time-consuming calibration, and costly maintenance downtime.

Whether you're navigating through congested ports needing precise berthing, sailing in remote offshore areas with no visual references, or operating a commercial vessel requiring IMO-compliant navigation data, this device adapts to your needs. With a heading accuracy of ±0.4°, it provides real-time true heading, course over ground (COG), speed over ground (SOG) for safe maneuvering. It integrates seamlessly with ECDIS, radar, AIS, and autopilot systems, requires no regular calibration, and boots up in just 90 seconds-letting you focus on navigation rather than troubleshooting equipment. Built with rugged, weatherproof components (IP56-rated antenna) to withstand salt spray, extreme temperatures, and rough seas, it's a low-maintenance solution that delivers reliable performance for years, eliminating the recurring costs of traditional compass upkeep.

FAQ

 

 

01. Why am I getting inaccurate heading readings, especially near the ship's engine or radar?

Inaccurate readings near engines, radar, or other metal structures almost always stem from magnetic interference-an issue traditional compasses struggle with, but this satellite compass can resolve with simple adjustments. First, check the antenna placement: the satellite antenna needs a clear, unobstructed view of the sky in all directions, and should be mounted at least 2 meters away from sources of electromagnetic interference like engines, radar domes, or metal masts. If mounting space is limited, try repositioning the antenna to a higher location (such as the mast top) to minimize interference. Additionally, ensure the antenna is aligned parallel to the vessel's fore-and-aft centerline-even a small misalignment can cause heading errors.

02. Does this Marine Satellite Compass comply with international maritime regulations (IMO, IEC)?

Yes-this Marine Satellite Compass is fully compliant with key international standards, making it suitable for both SOLAS and non-SOLAS vessels. It is type-approved as a Transmitting Heading Device (THD), GPS, and Rate of Turn Indicator (ROTI), meeting IMO MSC.116(73), IMO MSC.302(87), and IEC 60945 ed.4 requirements. It also complies with ISO 22090-3 and IEC 61162-450 standards, ensuring seamless integration with voyage data recorders (VDR) and other mandatory navigation systems. For large commercial vessels over 300 GT, it provides the high-accuracy heading data required for collision avoidance, dynamic positioning, and regulatory audits. The device features a built-in self-test function that logs compliance data, making it easy to demonstrate adherence during maritime inspections-no extra documentation needed.

03.What maintenance does the compass require?

One of the biggest benefits of this Marine Satellite Compass is its minimal maintenance-thanks to its lack of mechanical parts. Unlike gyro compasses that require regular servicing or magnetic compasses that need frequent calibration, this device is essentially maintenance-free. After each voyage, simply wipe the antenna and display with a soft, damp cloth to remove salt spray or dust. Every 6 months, check the antenna mounting bracket to ensure it's secure (especially after rough seas) and inspect the cables for cuts, frays, or corrosion. The IP56-rated antenna is weatherproof and corrosion-resistant, designed to withstand extreme temperatures (-25°C to +55°C for the antenna) and harsh marine environments.

04. Can it integrate with my existing navigation systems (ECDIS, radar, autopilot)?

Yes-it's engineered to integrate seamlessly with most modern marine navigation systems, including ECDIS, radar, AIS, autopilot, and VDR. The compass features multiple IEC 61162-1 interfaces and supports NMEA 0183, NMEA 2000(optional) protocols, ensuring compatibility with both older and newer equipment. This integration enhances navigation safety: radar and AIS use the compass's high-accuracy heading data to improve collision avoidance calculations, while autopilot systems rely on it for precise course-keeping. ECDIS uses the compass's COG and SOG data to optimize route planning and estimate arrival times. Setting up integration is simple-connect the compass to your navigation system via the included cables, then use the device's intuitive menu to select the data you want to transmit (heading, COG, SOG, etc.). It also works with existing shipboard networks, making retrofits easy for older vessels.

05. Does the device work in high-latitude regions or under bridges/tall structures?

Absolutely-this is one of the device's key advantages over traditional magnetic compasses, which become unreliable in high-latitude areas. The multi-constellation GNSS technology (GPS, GLONASS, Galileo, Beidou) ensures consistent satellite reception even in high latitudes, delivering accurate heading data where magnetic compasses fail. When operating under bridges, slips, or near tall structures (where satellite signals may be temporarily blocked), the device can be configured to use its internal magnetic compass as a backup-just calibrate the backup compass before use (via the menu) to maintain heading information. The fast 90-second boot-up time also means if signal is lost and regained, the device quickly re-establishes accurate readings, so you never lose navigation context during critical maneuvers.

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