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                        },
                        "date_from": "1995-06-15 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "191"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "1995-06-15 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "1995-06-15 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "1995-06-15 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "1995-06-15 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "1995-06-15 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 10,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "1995-06-15 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "1995-06-15 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "29-JUN-1999 : Antenna type naming changed\r\n06-APR-2001 : Changes made to be consistent\r\nwith RINEX header (Full s\/n: 11191,\r\nBPA=ARP).",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1995-06-15 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1995-06-15 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "SNOW"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1995-06-15 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1995-06-15 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "standard_type"
                        },
                        "date_from": "1995-06-15 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "INTERNAL"
                    },
                    {
                        "attribute": {
                            "name": "input_frequency"
                        },
                        "date_from": "1995-06-15 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "frequency_standard"
                }
            }
        },
        {
            "item": {
                "comment": "Data Frequency  : 30 s (every 30 s an\r\naveraged value over 30 s period is recorded)\r\nAccuracy (% rel h) At +20 degC:  +-2%\r\n(0...90% RH),+-3% (90-100% RH)\r\nManufacturer address\r\nP.O.Box 26, FIN- 00421 HELSINKI\r\nhttp:\/\/www.vaisala.com",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1999-02-10 00:00:00",
                "date_to": "2014-11-06 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "HMP45D, with Humicap (R) 180"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Vaisala Oy"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 30,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 3,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "aspiration"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 1,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "humidity_sensor"
                }
            }
        },
        {
            "item": {
                "comment": "Data Frequency   30 s (every 30 s an\r\naveraged value over 30 speriod is recorded)\r\nAccuracy (mbar)   Class A barometer:\r\naccuracy at +20 degC = +- 0.10 hPa;\r\ntotal accuracy including one year drift\r\n= +-0.20 hPa\r\nManufacturer address\r\nP.O.Box 26, FIN- 00421 HELSINKI\r\nhttp:\/\/www.vaisala.com",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1999-02-10 00:00:00",
                "date_to": "2014-11-06 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Vaisala Pressure transmitter PTU200ABA1AA"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Vaisala Oy"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 30,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.1,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": -116.8,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "pressure_sensor"
                }
            }
        },
        {
            "item": {
                "comment": "Data Frequency   30 s (every 30 s an\r\naveraged value over 30 s period is\r\nrecorded)\r\nAccuracy (deg C)\r\nAt -20 degC +-0.4 degC,\r\nat   0 degC +-0.3 degC and\r\nat +20 degC +-0.2 degC\r\nTemperature and humidity probe HMP45D and\r\nPTU200-transmitter are mounted to the\r\nGPS-antenna mast with a special mounting set\r\n(Vaisala PTU200MIK). Temperature and\r\nhumidity sensors are inside a radiation\r\nscreen (Vaisala DTR13) 2 m abovethe ground.\r\nManufacturer address\r\nP.O.Box 26, FIN- 00421 HELSINKI\r\nhttp:\/\/www.vaisala.com",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "FGI",
                        "address": "Geodeetinrinne 2\nFI-02430 Masala\nFinland",
                        "infos": "",
                        "name": "National Land Survey of Finland",
                        "www": ""
                    },
                    "comment": "",
                    "email": "finnref_team@maanmittauslaitos.fi",
                    "name": "FinnRef team",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1999-02-10 00:00:00",
                "date_to": "2014-11-06 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "HMP45A-P with Pt100 IEC 751 1\/3 Class B"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Vaisala Oy"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "data_sampling_interval"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 30,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "accuracy"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.4,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "aspiration"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "height_diff_to_ant"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": 1,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "calibration_date"
                        },
                        "date_from": "1999-02-10 00:00:00",
                        "date_to": "2014-11-06 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "temperature_sensor"
                }
            }
        }
    ],
    "station_networks": [
        {
            "name": "EPN"
        },
        {
            "name": "EPOS"
        }
    ],
    "station_type": "GNSS Continuous"
}