[
    {
        "attrs": {
            "calibration_date": "2008-12-07",
            "calibration_report": " ",
            "comment": "Unpumped",
            "deployment": " ",
            "factory_calibrated": "2008-12-07",
            "long_name": "Conductivity, Temperature, Depth (CTD) Sensor",
            "make_model": "Sea-Bird GPCTD",
            "platform": "platform",
            "serial_number": "156",
            "type": "instrument",
            "user_calibrated": " "
        },
        "cfg_file": "/home/coolgroup/slocum/cals/156-ctd.yml",
        "nc_var_name": "instrument_ctd",
        "type": "i4"
    }
]