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                        "address": "Carretera de la Base Km 0,8 \/ ATC  Center Madrid\n28850 Torrej\u00f3n de Ardoz, Madrid\nSpain",
                        "infos": "",
                        "name": "European Satellite Services Provider S.A.S.",
                        "www": ""
                    },
                    "comment": "",
                    "email": "resev@essp-sas.eu",
                    "name": "ESSP Receiver Lab",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2026-03-10 11:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "receiver_type"
                        },
                        "date_from": "2026-03-10 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "SEPT ASTERX-M3"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2026-03-10 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "3237941"
                    },
                    {
                        "attribute": {
                            "name": "satellite_system"
                        },
                        "date_from": "2026-03-10 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "GPS+GLO+GAL+SBAS"
                    },
                    {
                        "attribute": {
                            "name": "firmware_version"
                        },
                        "date_from": "2026-03-10 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "4.15.1"
                    },
                    {
                        "attribute": {
                            "name": "elevation_cutoff_setting"
                        },
                        "date_from": "2026-03-10 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "temperature_stabilization"
                        },
                        "date_from": "2026-03-10 11:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "receiver"
                }
            }
        },
        {
            "item": {
                "comment": "The antenna is Septentrio PolaNT-x MF, However I am not able to introduce that code: SEPPOLANT_X_MF. ",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ESSP",
                        "address": "Carretera de la Base Km 0,8 \/ ATC  Center Madrid\n28850 Torrej\u00f3n de Ardoz, Madrid\nSpain",
                        "infos": "",
                        "name": "European Satellite Services Provider S.A.S.",
                        "www": ""
                    },
                    "comment": "",
                    "email": "resev@essp-sas.eu",
                    "name": "ESSP Receiver Lab",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ESSP",
                        "address": "Carretera de la Base Km 0,8 \/ ATC  Center Madrid\n28850 Torrej\u00f3n de Ardoz, Madrid\nSpain",
                        "infos": "",
                        "name": "European Satellite Services Provider S.A.S.",
                        "www": ""
                    },
                    "comment": "",
                    "email": "resev@essp-sas.eu",
                    "name": "ESSP Receiver Lab",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2014-05-06 00:00:00",
                "date_to": "2019-02-12 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2014-05-06 00:00:00",
                        "date_to": "2019-02-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "LEIAR10"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2014-05-06 00:00:00",
                        "date_to": "2019-02-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "6054"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2014-05-06 00:00:00",
                        "date_to": "2019-02-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2014-05-06 00:00:00",
                        "date_to": "2019-02-12 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2014-05-06 00:00:00",
                        "date_to": "2019-02-12 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2014-05-06 00:00:00",
                        "date_to": "2019-02-12 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2014-05-06 00:00:00",
                        "date_to": "2019-02-12 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2014-05-06 00:00:00",
                        "date_to": "2019-02-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Septentrio"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2014-05-06 00:00:00",
                        "date_to": "2019-02-12 00:00:00",
                        "value_date": null,
                        "value_numeric": 15,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "The antenna is Septentrio PolaNT-x MF, However I am not able to introduce that code: SEPPOLANT_X_MF. ",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ESSP",
                        "address": "Carretera de la Base Km 0,8 \/ ATC  Center Madrid\n28850 Torrej\u00f3n de Ardoz, Madrid\nSpain",
                        "infos": "",
                        "name": "European Satellite Services Provider S.A.S.",
                        "www": ""
                    },
                    "comment": "",
                    "email": "resev@essp-sas.eu",
                    "name": "ESSP Receiver Lab",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ESSP",
                        "address": "Carretera de la Base Km 0,8 \/ ATC  Center Madrid\n28850 Torrej\u00f3n de Ardoz, Madrid\nSpain",
                        "infos": "",
                        "name": "European Satellite Services Provider S.A.S.",
                        "www": ""
                    },
                    "comment": "",
                    "email": "resev@essp-sas.eu",
                    "name": "ESSP Receiver Lab",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2014-05-06 00:00:00",
                "date_to": "2019-02-12 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2014-05-06 00:00:00",
                        "date_to": "2019-02-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2014-05-06 00:00:00",
                        "date_to": "2019-02-12 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": "cable length is 60 mts and  it has an amplifier at 30 mts then  the connection  is to the septentrio polarX receiver",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ESSP",
                        "address": "Carretera de la Base Km 0,8 \/ ATC  Center Madrid\n28850 Torrej\u00f3n de Ardoz, Madrid\nSpain",
                        "infos": "",
                        "name": "European Satellite Services Provider S.A.S.",
                        "www": ""
                    },
                    "comment": "",
                    "email": "resev@essp-sas.eu",
                    "name": "ESSP Receiver Lab",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ESSP",
                        "address": "Carretera de la Base Km 0,8 \/ ATC  Center Madrid\n28850 Torrej\u00f3n de Ardoz, Madrid\nSpain",
                        "infos": "",
                        "name": "European Satellite Services Provider S.A.S.",
                        "www": ""
                    },
                    "comment": "",
                    "email": "resev@essp-sas.eu",
                    "name": "ESSP Receiver Lab",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-02-12 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2019-02-12 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NOV702GG"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2019-02-12 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NAE09300004"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2019-02-12 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BAM"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2019-02-12 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2019-02-12 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2019-02-12 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2019-02-12 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2019-02-12 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "septentrio"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2019-02-12 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 60,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "cable length is 60 mts and  it has an amplifier at 30 mts then  the connection  is to the septentrio polarX receiver",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "ESSP",
                        "address": "Carretera de la Base Km 0,8 \/ ATC  Center Madrid\n28850 Torrej\u00f3n de Ardoz, Madrid\nSpain",
                        "infos": "",
                        "name": "European Satellite Services Provider S.A.S.",
                        "www": ""
                    },
                    "comment": "",
                    "email": "resev@essp-sas.eu",
                    "name": "ESSP Receiver Lab",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ESSP",
                        "address": "Carretera de la Base Km 0,8 \/ ATC  Center Madrid\n28850 Torrej\u00f3n de Ardoz, Madrid\nSpain",
                        "infos": "",
                        "name": "European Satellite Services Provider S.A.S.",
                        "www": ""
                    },
                    "comment": "",
                    "email": "resev@essp-sas.eu",
                    "name": "ESSP Receiver Lab",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2019-02-12 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2019-02-12 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2019-02-12 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": "ESSP",
                        "address": "Carretera de la Base Km 0,8 \/ ATC  Center Madrid\n28850 Torrej\u00f3n de Ardoz, Madrid\nSpain",
                        "infos": "",
                        "name": "European Satellite Services Provider S.A.S.",
                        "www": ""
                    },
                    "comment": "",
                    "email": "resev@essp-sas.eu",
                    "name": "ESSP Receiver Lab",
                    "phone": "",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "ESSP",
                        "address": "Carretera de la Base Km 0,8 \/ ATC  Center Madrid\n28850 Torrej\u00f3n de Ardoz, Madrid\nSpain",
                        "infos": "",
                        "name": "European Satellite Services Provider S.A.S.",
                        "www": ""
                    },
                    "comment": "",
                    "email": "resev@essp-sas.eu",
                    "name": "ESSP Receiver Lab",
                    "phone": "",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2015-01-01 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "standard_type"
                        },
                        "date_from": "2015-01-01 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "INTERNAL"
                    },
                    {
                        "attribute": {
                            "name": "input_frequency"
                        },
                        "date_from": "2015-01-01 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "frequency_standard"
                }
            }
        }
    ],
    "station_networks": [
        {
            "name": "EPN"
        },
        {
            "name": "EPOS"
        }
    ],
    "station_type": "GNSS Continuous"
}