Wide-area augmentation system (WAAS)

{
  "id": "MLC-T-AVN-001117",
  "term": "Wide-area augmentation system (WAAS)",
  "field": "Aviation and air traffic control",
  "definition": "The WAAS is a satellite navigation system consisting of the equipment and software which augments the GPS Standard Positioning Service (SPS). The WAAS provides enhanced integrity, accuracy, availability, and continuity over and above GPS SPS. The differential correction function provides improved accuracy required for precision approach.",
  "abbreviation": "WAAS",
  "references": [
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/wide-area-augmentation-system-waas/"
}