{
  "description": "The channel the device is tuned to, with its number, call sign and URI.",
  "type": "object",
  "properties": {
    "number": {
      "type": "string"
    },
    "callSign": {
      "type": "string"
    },
    "affiliateCallSign": {
      "type": "string"
    },
    "uri": {
      "type": "string"
    }
  },
  "additionalProperties": false
}