Radio direction finder

{
  "id": "MLC-T-MET-008321",
  "term": "Radio direction finder",
  "field": "Meteorology and atmospheric science",
  "definition": "An instrument used to determine the direction from which a radio signal is originating, by measuring the angle of arrival of the radio waves. It typically employs a directional antenna and a receiver. This device is used in meteorology for tracking weather balloons equipped with radio transmitters or locating sources of atmospheric radio noise.",
  "synonyms": [
    "radio theodolite"
  ],
  "see_also": [
    "radio direction finding"
  ],
  "url": "https://mlchart.com/terminology/meteorology/radio-direction-finder/"
}