Discrete frequency

{
  "id": "MLC-T-AVN-000332",
  "term": "Discrete frequency",
  "field": "Aviation and air traffic control",
  "definition": "A separate radio frequency for use in direct pilot-controller communications in air traffic control which reduces frequency congestion by controlling the number of aircraft operating on a particular frequency at one time. Discrete frequencies are normally designated for each control sector in en route/terminal ATC facilities. Discrete frequencies are listed in the Chart Supplement U.S. and the DoD FLIP IFR En Route Supplement.",
  "see_also": [
    "Control sector"
  ],
  "references": [
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/discrete-frequency/"
}