{
    "greenwich": {
        "source": "Ordnance Survey via http://gpsinformation.net/main/greenwich.htm and UNESCO",
        "elevation": 46,
        "name": "Royal Observatory Greenwich",
        "longitude_unit": "degree",
        "latitude_unit": "degree",
        "latitude": 51.477811,
        "elevation_unit": "meter",
        "longitude": -0.001475,
        "aliases": [
            "example_site"
        ]
    }
}
