WAAS reference stations

WAAS stands for Wide Area Augmentation System. It is a satellite-based augmentation system designed to improve the accuracy and reliability of Global Positioning System (GPS) signals. WAAS provides corrections to GPS signals by using a network of reference stations that monitor GPS satellite signals in real time. ### Components of WAAS: 1. **Reference Stations**: These are strategically placed ground stations that receive GPS signals. They are equipped with highly accurate GPS receivers.