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                        "date_from": "2014-02-12 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEICA"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2014-02-12 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 50,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "Leica cable number 664813 GEV134",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "CNES",
                        "address": "Avenue Edouard Belin 18\n31401 Toulouse cedex9\nFrance",
                        "infos": "",
                        "name": "Centre National d'Etudes Spatiales",
                        "www": ""
                    },
                    "comment": "",
                    "email": "regina.operation@cnes.fr",
                    "name": "REGINA operation",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "CLS",
                        "address": "Rue Hermes 11\n31520 Ramonville Saint-Agne\nFrance",
                        "infos": "",
                        "name": "Collecte Localisation Satellites",
                        "www": ""
                    },
                    "comment": "",
                    "email": "regina.operation@cnes.fr",
                    "name": "REGINA operation",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2014-02-12 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2014-02-12 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2014-02-12 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": "From CNES Cesium through DORIS 5 MHz\r\ndistributor\r\nDORIS 1Hz output connected to receiver PPS-in\r\nsince 2014-12-15 09:00Z",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "CNES",
                        "address": "Avenue Edouard Belin 18\n31401 Toulouse cedex9\nFrance",
                        "infos": "",
                        "name": "Centre National d'Etudes Spatiales",
                        "www": ""
                    },
                    "comment": "",
                    "email": "regina.operation@cnes.fr",
                    "name": "REGINA operation",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "CLS",
                        "address": "Rue Hermes 11\n31520 Ramonville Saint-Agne\nFrance",
                        "infos": "",
                        "name": "Collecte Localisation Satellites",
                        "www": ""
                    },
                    "comment": "",
                    "email": "regina.operation@cnes.fr",
                    "name": "REGINA operation",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2014-02-14 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "standard_type"
                        },
                        "date_from": "2014-02-14 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "EXTERNAL CESIUM"
                    },
                    {
                        "attribute": {
                            "name": "input_frequency"
                        },
                        "date_from": "2014-02-14 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 10,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "frequency_standard"
                }
            }
        }
    ],
    "station_networks": [
        {
            "name": "EPN"
        },
        {
            "name": "EPOS"
        },
        {
            "name": "IGS"
        },
        {
            "name": "RGP"
        }
    ],
    "station_type": "GNSS Continuous"
}