The CSI Wireless DGPS MAX is a high-accuracy GPS receiver that incorporates internal sensors capable of receiving corrections from Space Based Augmentation Systems (SBAS), the worldwide OmniSTAR service, and DGPS beacon stations.
When using any of these services, the DGPS MAX provides sub-meter accuracy at position update rates of up to five times per second (5 Hz).
Space Based Augmentation Systems (SBAS) include the US FAA's Wide Area Augmentation System (WAAS), the European Commission's European GPS Navigation Overlay System (EGNOS), and the Japan Civil Aviation Bureau's MTSAT Satellite Augmentation System (MSAS).
Each of these SBAS services is free and interoperable, providing coverage for most of North America , most of Europe , and Japan respectively.
