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"attribute": { "name": "standard_type" }, "date_from": "2019-02-01 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": "INTERNAL" }, { "attribute": { "name": "input_frequency" }, "date_from": "2019-02-01 00:00:00", "date_to": null, "value_date": null, "value_numeric": null, "value_varchar": null } ], "item_type": { "name": "frequency_standard" } } } ], "station_networks": [ { "name": "AGRS.BES" }, { "name": "IGS" }, { "name": "KNMI" } ], "station_type": "GNSS Continuous" }