[
    {
        "nc_var_name": "instrument_ctd",
        "type": "i4",
        "attrs": {
            "serial_number": "9104",
            "make_model": "Sea-Bird GPCTD",
            "comment": "Pumped",
            "long_name": "Conductivity, Temperature, Depth (CTD) Sensor",
            "calibration_date": "2014-07-25",
            "user_calibrated": " ",
            "factory_calibrated": "2014-07-25",
            "calibration_report": "",
            "type": "instrument",
            "platform": "platform"
        }
    },
    {
        "nc_var_name": "instrument_flbbcd",
        "type": "i4",
        "attrs": {
            "serial_number": "4156",
            "make_model": "Sea-Bird FLBBCD",
            "comment": "Pumped Conductivity, Temperature, Depth (CTD) Sensor",
            "long_name": "Pumped Conductivity, Temperature, Depth (CTD) Sensor",
            "calibration_date": "2015-10-20",
            "user_calibrated": " ",
            "factory_calibrated": "2015-10-20",
            "calibration_report": " ",
            "type": "instrument",
            "platform": "platform"
        }
    },
    {
        "nc_var_name": "instrument_azfp",
        "type": "i4",
        "attrs": {
            "serial_number": "59006",
            "make_model": "ASL AZFP",
            "comment": "AZFP Echosounder 38, 125, 200 kHz ",
            "long_name": "Acoustic Zooplankton Fish Profiler",
            "calibration_date": "2017-10-25",
            "user_calibrated": "",
            "factory_calibrated": "2017-10-25",
            "calibration_report": " ",
            "type": "instrument",
            "platform": "platform",
            "references": "https://aslenv.com/brochures/AZFP-Glider_AUV.pdf"
        }
    }
]