"Gillham code" meaning in English

{
  "etymology_text": "Named after Ronald Lionel Gillham, a signals officer.",
  "head_templates": [
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      "args": {
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      },
      "expansion": "Gillham code",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Aviation",
          "orig": "en:Aviation",
          "parents": [
            "Aeronautics",
            "Transport",
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "A zero-padded 12-bit binary code, a modified Gray code, used to transmit uncorrected barometric altitude between an encoding altimeter or analog air data computer and a digital transponder."
      ],
      "id": "en-Gillham_code-en-noun-~k2c2uIM",
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "binary",
          "binary"
        ],
        [
          "Gray code",
          "Gray code"
        ],
        [
          "transmit",
          "transmit"
        ],
        [
          "barometric",
          "barometric"
        ],
        [
          "altitude",
          "altitude"
        ],
        [
          "altimeter",
          "altimeter"
        ],
        [
          "analog",
          "analog"
        ],
        [
          "digital",
          "digital"
        ],
        [
          "transponder",
          "transponder"
        ]
      ],
      "raw_glosses": [
        "(aviation) A zero-padded 12-bit binary code, a modified Gray code, used to transmit uncorrected barometric altitude between an encoding altimeter or analog air data computer and a digital transponder."
      ],
      "related": [
        {
          "word": "Gillham interface"
        }
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "Gillham code"
}

{
  "etymology_text": "Named after Ronald Lionel Gillham, a signals officer.",
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "Gillham code",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Gillham interface"
    }
  ],
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
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        "en:Aviation"
      ],
      "glosses": [
        "A zero-padded 12-bit binary code, a modified Gray code, used to transmit uncorrected barometric altitude between an encoding altimeter or analog air data computer and a digital transponder."
      ],
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "binary",
          "binary"
        ],
        [
          "Gray code",
          "Gray code"
        ],
        [
          "transmit",
          "transmit"
        ],
        [
          "barometric",
          "barometric"
        ],
        [
          "altitude",
          "altitude"
        ],
        [
          "altimeter",
          "altimeter"
        ],
        [
          "analog",
          "analog"
        ],
        [
          "digital",
          "digital"
        ],
        [
          "transponder",
          "transponder"
        ]
      ],
      "raw_glosses": [
        "(aviation) A zero-padded 12-bit binary code, a modified Gray code, used to transmit uncorrected barometric altitude between an encoding altimeter or analog air data computer and a digital transponder."
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "Gillham code"
}