Mode

{
  "id": "MLC-T-AVN-000630",
  "term": "Mode",
  "field": "Aviation and air traffic control",
  "definition": "The letter or number assigned to a specific pulse spacing of radio signals transmitted or received by ground interrogator or airborne transponder components of the Air Traffic Control Radar Beacon System (ATCRBS). Mode A (military Mode 3) and Mode C (altitude reporting) are used in air traffic control.",
  "see_also": [
    "Interrogator",
    "Radar",
    "Transponder"
  ],
  "references": [
    "AIM",
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/mode/"
}