{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "schema:BroadcastService",
  "title": "BroadcastService",
  "description": "A delivery service through which content is provided via broadcast over the air or online.",
  "type": "object",
  "allOf": [
    {
      "description": "A service provided by an organization, e.g. delivery service, print services, etc.",
      "$ref": "schema:Service"
    }
  ],
  "properties": {
    "area": {
      "description": "The area within which users can expect to reach the broadcast service.",
      "$ref": "schema:Place"
    },
    "broadcastAffiliateOf": {
      "description": "The media network(s) whose content is broadcast on this station.",
      "$ref": "schema:Organization"
    },
    "broadcastDisplayName": {
      "description": "The name displayed in the channel guide. For many US affiliates, it is the network name.",
      "type": "string"
    },
    "broadcastFrequency": {
      "description": "The frequency used for over-the-air broadcasts. Numeric values or simple ranges, e.g. 87-99. In addition a shortcut idiom is supported for frequencies of AM and FM radio channels, e.g. \"87 FM\".",
      "anyOf": [
        { "type": "string" },
        { "$ref": "schema:BroadcastFrequencySpecification" }
      ]
    },
    "broadcastTimezone": {
      "description": "The timezone in [ISO 8601 format](http://en.wikipedia.org/wiki/ISO_8601) for which the service bases its broadcasts.",
      "type": "string"
    },
    "broadcaster": {
      "description": "The organization owning or operating the broadcast service.",
      "$ref": "schema:Organization"
    },
    "callSign": {
      "description": "A [callsign](https://en.wikipedia.org/wiki/Call_sign), as used in broadcasting and radio communications to identify people, radio and TV stations, or vehicles.",
      "oneOf": [
        { "type": "string" },
        { "type": "array", "items": { "type": "string" } }
      ]
    },
    "hasBroadcastChannel": {
      "description": "A broadcast channel of a broadcast service.",
      "oneOf": [
        { "$ref": "schema:BroadcastChannel" },
        { "type": "array", "items": { "$ref": "schema:BroadcastChannel" } }
      ]
    },
    "inLanguage": {
      "description": "The language of the content or performance or used in an action. Please use one of the language codes from the [IETF BCP 47 standard](http://tools.ietf.org/html/bcp47). See also [[availableLanguage]].",
      "anyOf": [{ "type": "string" }, { "$ref": "schema:Language" }]
    },
    "parentService": {
      "description": "A broadcast service to which the broadcast service may belong to such as regional variations of a national channel.",
      "oneOf": [
        { "$ref": "schema:BroadcastService" },
        { "type": "array", "items": { "$ref": "schema:BroadcastService" } }
      ]
    },
    "videoFormat": {
      "description": "The type of screening or video broadcast used (e.g. IMAX, 3D, SD, HD, etc.).",
      "type": "string"
    }
  }
}