SATELLITE BASED AUGMENTATION SYSTEMS (SBAS) enhance the accuracy and reliability of satellite navigation systems, such as GPS. SBAS improves positioning data by correcting errors in the satellite signal, making it ideal for applications in aviation, maritime, and land transportation. It provides real-time corrections to GPS signals, significantly enhancing accuracy, especially in challenging environments like urban areas or mountainous regions. SBAS ensures better safety, efficiency, and reliability in various navigation systems.