Understanding DGPS Technology

Differential Global Positioning System (DGPS) improves the accuracy and reliability of standard GPS by using a network of fixed ground-based reference stations. These stations broadcast correction signals to marine vessels, enabling position accuracy typically within 1 to 3 meters, crucial for safe navigation and precise maneuvering at sea.

Why Use DGPS for Your Vessel?

  • 🛰️ Enhanced positioning accuracy compared to standard GPS
  • 🔒 Improved signal reliability and reduced errors
  • ⚓ Essential for coastal navigation and harbor operations
  • 🌊 Supports integration with electronic chart display and information systems (ECDIS)
  • 🛡️ Increases safety in restricted or congested waters

  • 🔧 Real-time correction signals improve situational awareness
  • 📡 Compatible with most marine GPS receivers
  • 💡 Helps meet IMO navigation performance standards
  • ⚙️ Easy integration with bridge navigation systems
  • 🛠️ Reliable service, repair, and maintenance support

Comprehensive DGPS Solutions

Brands We Support

  • Furuno DGPS Systems
  • JRC DGPS Receivers
  • Trimble Marine DGPS
  • Garmin Marine DGPS
  • Novatel Marine DGPS

  • Topcon DGPS Units
  • Magellan Marine DGPS
  • Honeywell Marine DGPS
  • SiRF Technology DGPS
  • Other OEM DGPS Equipment

DGPS FAQs

1. How does DGPS improve standard GPS accuracy?
DGPS uses fixed ground stations to transmit correction signals that reduce positional errors from atmospheric interference and satellite inaccuracies.

2. Is DGPS required on all vessels?
While not mandatory for all vessels, DGPS is highly recommended for precise navigation, especially near coasts and in busy waterways.

3. Can DGPS work alongside GPS and AIS?
Yes, DGPS integrates with GPS and Automatic Identification Systems (AIS) to enhance overall navigational accuracy.

4. What maintenance does DGPS equipment require?
Regular calibration, software updates, and hardware inspections are needed to maintain DGPS performance.

5. How often should DGPS systems be calibrated?
Calibration is typically recommended annually or after any major repair or software upgrade.

6. Does DGPS require special antennas?
DGPS uses specialized antennas compatible with correction signals; these are usually included with the DGPS receiver system.

7. Can DGPS signals be lost?
Yes, signal loss can occur due to environmental factors or equipment faults; backup navigation methods are essential.

8. What brands of DGPS do you support?
We support all leading brands including Furuno, JRC, Trimble, Garmin, and others.

9. Can DGPS data be integrated into ECDIS?
Yes, DGPS correction data feeds into ECDIS to enhance position accuracy on digital charts.

10. Do you provide training for DGPS operation?
Yes, we offer training and technical support to vessel crews for efficient DGPS system operation.