{
  "fileFormatID": 2106,
  "formatName": "IESNA LM-63 Photometric Data File",
  "version": null,
  "formatDescription": "The IESNA LM-63 photometric data file is an ASCII text file commonly used by North American lighting fixture manufacturers to distribute photometric information about their products.",
  "releaseDate": null,
  "binaryFileFormat": null,
  "formatNote": null,
  "lastUpdatedDate": "13 Mar 2023",
  "formatProvenance": null,
  "formatSourceDate": "18 Jan 2020",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": "Text (Structured)",
  "formatFamilies": null,
  "identifiers": [
    {
      "identifierText": "fmt/1288",
      "identifierType": "PUID"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 1668,
      "name": "IESNA LM-63 Photometric Data File",
      "note": "BOF: 'IESNA' followed by either '91' or ':LM-63-'",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": 3,
          "byteSequence": "4945534E41(3931|3A4C4D2D36332D)",
          "endianness": null,
          "byteSequenceID": 1937
        }
      ]
    }
  ],
  "externalSignatures": [
    {
      "externalSignature": "ies",
      "signatureType": "File extension"
    }
  ],
  "relationships": [],
  "submittedBy": [
    220
  ]
}
