[
  {
    "id": "1",
    "location": [16.0, 48.0],
    "range": 2000
  },
  {
    "id": "2",
    "location":  [16.0, 48.1],
    "range": 800
  },
  {
    "id": "3",
    "location":  [16.0, 48.2],
    "range": 1000
  }
]