A Marine GPS/ DGPS Unit is one of the most essential navigation tools on board commercial vessels, offshore fleets, fishing boats, defense crafts, and private yachts. It provides precise positioning, timing, and course data, helping ships sail safely in coastal waters, international sea routes, and busy maritime environments.

What is a Marine GPS/ DGPS Unit?

A Marine GPS/ DGPS Unit is an advanced navigation device that receives data from satellite constellations to determine accurate vessel coordinates. DGPS (Differential Global Positioning System) enhances standard GPS signals by applying correction data from local base stations, significantly reducing positioning errors.

This equipment typically includes:

• A GPS/DGPS receiver
• GNSS antenna
• Display & interface panel
• NMEA communication ports
• External correction signal input (for DGPS)
• Alarm and data output systems

Why it Matters at Sea

Maritime environments demand accuracy. A standard GPS signal may have minor deviations due to atmospheric conditions, signal reflections, or satellite geometry. With DGPS correction, the accuracy improves dramatically — often to sub-meter precision — helping vessel operators make reliable decisions.

A Marine GPS/ DGPS Unit supports:

• Coastal navigation & offshore operations
• Docking & port approach
• Fishing ground identification
• Survey & research missions
• Offshore energy operations
• Search & rescue coordination

Key Advantages of the Unit

Using DGPS-enhanced navigation systems ensures:

• High accuracy positioning in all weather
• Real-time course updates
• Improved situational awareness
• Safer collision avoidance
• Reliable data integration with radar, ECDIS & AIS
• Compliance with maritime navigation standards

Who Uses Marine GPS/ DGPS Unit?

This equipment is widely used across maritime sectors including:

• Merchant shipping
• Offshore supply vessels
• Naval and coast guard fleets
• Fishing trawlers
• Tugboats and pilot vessels
• Survey and hydrographic vessels
• Yachts & leisure crafts

Integration with Other Bridge Systems

A modern Marine GPS/ DGPS Unit can integrate with navigation and communication systems via NMEA protocols, enabling synchronized and automated digital navigation. Common integration includes:

• ECDIS systems
• ARPA radar
• AIS transponders
• Autopilot systems
• VDR (Voyage Data Recorder)
• Chartplotters & survey equipment

Master Systems – Global Supply & Support Across 18 Countries

Master Systems supplies, installs, and supports Marine GPS/ DGPS Unit equipment across 18 countries, ensuring reliable navigation solutions with certified service standards. With strong technical expertise, authorized product partnerships, and rapid maritime support, Master Systems helps commercial, offshore, defense, and leisure fleets operate with accuracy, compliance, and confidence.