Dawn chorus

{
  "id": "MLC-T-IND-001571",
  "term": "Dawn chorus",
  "field": "Industrial and trades",
  "definition": "A natural radio phenomenon characterized by a rising and falling whistle or chirping sound, resembling birdsong, heard in the very low frequency (VLF) range. This electromagnetic emission originates from interactions between energetic electrons and the Earth's magnetic field in the magnetosphere. It is typically observed at dawn and dusk, hence its name.",
  "synonyms": [
    "chorus"
  ],
  "subject": "Electrical engineering",
  "translations": {
    "de": "Morgenrauschen",
    "es": "coro del amanecer",
    "fr": "bruit de l'aube"
  },
  "url": "https://mlchart.com/terminology/industrial/dawn-chorus/"
}