plane angle

{
  "id": "NISTq9",
  "unitsml_id": "q:plane_angle",
  "name": "plane angle",
  "names": [
    {
      "value": "plane angle",
      "lang": "en"
    },
    {
      "value": "angle",
      "lang": "en"
    },
    {
      "value": "angle plan",
      "lang": "fr"
    }
  ],
  "short": "plane_angle",
  "type": "derived",
  "dimension": {
    "id": "NISTd9",
    "name": "plane angle",
    "expression": "1",
    "components": [
      {
        "key": "plane_angle",
        "symbol": "phi",
        "power": 1
      }
    ],
    "dimensionless": true
  },
  "units": [
    {
      "id": "NISTu147",
      "name": "arcminute",
      "symbol": "′"
    },
    {
      "id": "NISTu148",
      "name": "arcsecond",
      "symbol": "as"
    },
    {
      "id": "NISTu149",
      "name": "degree (degree of arc)",
      "symbol": "º"
    },
    {
      "id": "NISTu159",
      "name": "gon",
      "symbol": "gon"
    },
    {
      "id": "NISTu347",
      "name": "angular mil (NATO)",
      "symbol": "mil"
    },
    {
      "id": "NISTu9",
      "name": "radian",
      "symbol": "rad"
    }
  ],
  "unit_count": 6,
  "identifiers": [
    {
      "type": "nist",
      "id": "NISTq9"
    },
    {
      "type": "unitsml",
      "id": "q:plane_angle"
    }
  ],
  "references": [
    {
      "type": "normative",
      "authority": "si-digital-framework",
      "uri": "http://si-digital-framework.org/quantities/ANGP"
    },
    {
      "type": "informative",
      "authority": "qudt",
      "uri": "http://qudt.org/vocab/quantitykind/PlaneAngle"
    }
  ]
}