"radio sounding" meaning in English

{
  "forms": [
    {
      "form": "radio soundings",
      "tags": [
        "plural"
      ]
    }
  ],
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    {
      "args": {},
      "expansion": "radio sounding (plural radio soundings)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      ],
      "glosses": [
        "Investigation of the upper atmosphere by use of a radiosonde."
      ],
      "id": "en-radio_sounding-en-noun-LF9bn5Fl",
      "links": [
        [
          "radiosonde",
          "radiosonde"
        ]
      ],
      "translations": [
        {
          "code": "it",
          "lang": "Italian",
          "sense": "investigation of the upper atmosphere by use of a radiosonde",
          "tags": [
            "masculine"
          ],
          "word": "radiosondaggio"
        }
      ]
    }
  ],
  "word": "radio sounding"
}

{
  "forms": [
    {
      "form": "radio soundings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "radio sounding (plural radio soundings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
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        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
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        "Terms with Italian translations"
      ],
      "glosses": [
        "Investigation of the upper atmosphere by use of a radiosonde."
      ],
      "links": [
        [
          "radiosonde",
          "radiosonde"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "it",
      "lang": "Italian",
      "sense": "investigation of the upper atmosphere by use of a radiosonde",
      "tags": [
        "masculine"
      ],
      "word": "radiosondaggio"
    }
  ],
  "word": "radio sounding"
}