GREAT ALERT
Real-Time Precise Point Positioning Services for Natural Hazard Prediction and Monitoring
Services Offered
- Real-time positioning data streams: High-rate (1 Hz) position data with covariances from 250+ GNSS sites from the combined global networks of the GDGPS System and its partners
- Custom positioning solutions: We process real-time GPS measurements from qualified GPS receivers, automatically estimate coordinates at 1 Hz using highly accurate GDGPS real-time orbit and clock states, and provide positioning solutions as a real-time data stream with total latency of a few seconds
Targeted Partner Agencies
These services are offered free of charge to national and international agencies responsible for natural hazard prediction and monitoring, such as:
- Tsunami warning centers
- Earthquake monitoring agencies
- Natural disaster response organizations
- Seismic hazard assessment institutions
Global Network Coverage
The GREAT ALERT service leverages the extensive GDGPS global tracking network, providing real-time positioning data from hundreds of stations worldwide.
About GREAT
This service is jointly sponsored by the GREAT (GPS Real Time Earthquake and Tsunami) Alert Project and the GDGPS System. GREAT combines cutting-edge GPS/GNSS technology with real-time processing to deliver actionable positioning data for rapid hazard assessment and early warning systems.