{
    "cdp_num": null,
    "comment": "The antenna is mounted on a 4.5t\r\nquarried trapezoidial stone\r\n(~2.4m high x ~1.5m base x ~0.7m top)\r\nand placed in a hole dug down to\r\nthe sandstone bedrock. The stone was\r\nconcreted to the bedrock.\r\nThe marker is defined as the\r\nintersection of the vertical axis from\r\nthe horizontal benchmark (forced\r\ncentering plate) with the horizontal\r\nplane tangent to the height benchmark\r\n(vertical bolt)",
    "conditions": [
        {
            "comments": "Below 15 degrees elevation, ~5-10m from\r\nantenna, surrounds antenna\r\nSee 10.5 below for changes to fence",
            "date_from": "1996-10-31 00:00:00",
            "date_to": null,
            "type": "signal_obstructions: Timber Fence"
        },
        {
            "comments": null,
            "date_from": "2002-09-26 00:00:00",
            "date_to": "2002-09-26 00:00:00",
            "type": "local_episodic_effect: WEED CLEARING"
        },
        {
            "comments": null,
            "date_from": "2003-06-06 00:00:00",
            "date_to": "2003-06-06 00:00:00",
            "type": "local_episodic_effect: WEED CLEARING\/GRAVEL DISTRIBUTION"
        },
        {
            "comments": null,
            "date_from": "2004-06-15 00:00:00",
            "date_to": "2004-06-15 00:00:00",
            "type": "local_episodic_effect: WEED CLEARING"
        },
        {
            "comments": null,
            "date_from": "2005-06-15 00:00:00",
            "date_to": "2005-06-15 00:00:00",
            "type": "local_episodic_effect: WEED CLEARING AND REPAIR OF FENCING"
        },
        {
            "comments": null,
            "date_from": "2006-06-01 00:00:00",
            "date_to": "2006-10-30 00:00:00",
            "type": "local_episodic_effect: INSTALLATION OF NEW MONUMENT 7m SOUTHRELOCATION AND EXTENSION OF FENCE TOSOUTH"
        },
        {
            "comments": null,
            "date_from": "2007-07-01 00:00:00",
            "date_to": "2007-07-30 00:00:00",
            "type": "local_episodic_effect: WEED CLEARING"
        },
        {
            "comments": null,
            "date_from": "2008-11-25 00:00:00",
            "date_to": "2008-11-25 00:00:00",
            "type": "local_episodic_effect: WEED CLEARING AND RELOCATION OF FENCETO THE NORTH OF THE ANTENNAWILL LIKELY CHANGE (ENHANCE) TRACKINGAT LOW ELEVATIONS in NE AND NW SECTORS"
        },
        {
            "comments": null,
            "date_from": "2009-12-16 00:00:00",
            "date_to": "2010-01-08 00:00:00",
            "type": "local_episodic_effect: Snow covered antenna for all or part ofthis time. On 2010-01-08 cover was ~250mmSnow removed on this date"
        },
        {
            "comments": null,
            "date_from": "2010-07-26 00:00:00",
            "date_to": "2010-07-26 00:00:00",
            "type": "local_episodic_effect: Weed clearing from near antenna at1330Z-1500Z"
        },
        {
            "comments": null,
            "date_from": "2010-11-25 00:00:00",
            "date_to": "2010-11-29 00:00:00",
            "type": "local_episodic_effect: Snow covered antenna for all or part ofthis time. On 2010-01-29 cover was ~400mmSnow removed on this date at 1000Z"
        },
        {
            "comments": null,
            "date_from": "2011-02-17 00:00:00",
            "date_to": "2011-02-18 00:00:00",
            "type": "local_episodic_effect: Work ongoing at site, do not use datafrom 2011-02-17T12:00Z until2011-02-18T12:00Z"
        },
        {
            "comments": null,
            "date_from": "2012-03-29 00:00:00",
            "date_to": "2012-03-29 00:00:00",
            "type": "local_episodic_effect: Weed clearing from near antenna at1000Z-1130Z"
        },
        {
            "comments": null,
            "date_from": "2014-05-15 00:00:00",
            "date_to": "2014-07-16 00:00:00",
            "type": "local_episodic_effect: Unusually vigorous weed growth took placenear the antenna over this interval,cleared between 2014-07-14 and 2014-07-16"
        },
        {
            "comments": null,
            "date_from": "2015-05-22 00:00:00",
            "date_to": "2015-05-22 00:00:00",
            "type": "local_episodic_effect: Weed clearing from near antenna between1145Z-1315Z"
        },
        {
            "comments": null,
            "date_from": "2015-09-04 00:00:00",
            "date_to": "2015-09-04 00:00:00",
            "type": "local_episodic_effect: Weed clearing from near antenna between1100Z-1400Z"
        },
        {
            "comments": null,
            "date_from": "2017-03-01 00:00:00",
            "date_to": "2017-03-01 00:00:00",
            "type": "local_episodic_effect: Replacement of the antenna cable for nearbyOrdnance Survey 'Geonet' site MORO between1000-1230UT necessitated removal andre-centering of MORP's antenna.  Some debriswhich had become lodged in the chokerings wasalso removed at this time.  Data from thisperiod should not be processed."
        },
        {
            "comments": null,
            "date_from": "2019-07-22 00:00:00",
            "date_to": "2019-08-06 00:00:00",
            "type": "local_episodic_effect: Maintenance of GNSS enclsoure including tree and weed clearing. Antenna disturbed by workers. Data from this period should not be processed."
        },
        {
            "comments": null,
            "date_from": "2025-07-26 00:00:00",
            "date_to": "2025-09-15 14:59:00",
            "type": "local_episodic_effect: During routine maintenance\/weeding sometime within this period, the antenna was accidentally dislodged from its forced centring position.  Data from this timespan should not be used.  The antenna was restored to the correct location at ~15:30 local time on DOY 258.  No other changes to equipment."
        }
    ],
    "country": "United Kingdom of Great Britain and Northern Ireland",
    "country_code_ISO": "GBR",
    "date_from": "1996-06-01 00:00:00",
    "date_to": null,
    "description": "Gravity force centred",
    "geological": {
        "bedrock": {
            "condition": "FRESH",
            "type": "SEDIMENTARY"
        },
        "characteristic": "BOULDER CLAY",
        "distance_to_fault": null,
        "fault_zone": "NO",
        "fracture_spacing": "over 200"
    },
    "iers_domes": "13299S001",
    "instrument_collocation": [],
    "local_ties": [
        {
            "accuracy": 1,
            "comment": null,
            "cpd_num": null,
            "date_at": "2007-03-29 13:00:00",
            "dx": 5.1413,
            "dy": 0.1382,
            "dz": -3.2924,
            "iers_domes": "13299M001",
            "name": "MORG",
            "survey_method": "GPS CAMPAIGN\/TOTAL STATION",
            "usage": "GLONASS+GPS"
        }
    ],
    "location": {
        "city": "Morpeth",
        "coordinates": {
            "X": 3645667.9,
            "Y": -107277.3,
            "Z": 5215053.5,
            "altitude": 144.5,
            "lat": 55.21278969385032,
            "lon": -1.685497293651019
        },
        "country": "United Kingdom of Great Britain and Northern Ireland",
        "country_iso_code": "GBR",
        "description": "",
        "state": "Northumberland",
        "tectonic": {
            "plate_name": "EURASIAN"
        }
    },
    "logs": {
        "contact": "Geospatial Engineering (gnaac@newcastle.ac.uk)",
        "date": "2025-09-18 00:00:00",
        "log_type": "UPDATE",
        "modified": "UNAVAILABLE",
        "previous": "UNAVAILABLE",
        "title": "MORP00GBR.xml"
    },
    "marker": "MORP",
    "monument": {
        "description": "PILLAR",
        "foundation": "CONCRETE BLOCK",
        "foundation_depth": 2.4,
        "height": 0,
        "monument_inscription": null
    },
    "monument_num": 0,
    "name": "Morpeth",
    "receiver_num": 0,
    "station_contacts": [
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                    "infos": "",
                    "name": "Newcastle University",
                    "www": ""
                },
                "comment": "",
                "email": "gnaac@newcastle.ac.uk",
                "name": "Geospatial Engineering",
                "phone": "+441912086445",
                "role": "site_owner",
                "title": ""
            }
        },
        {
            "contact": {
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                "name": "Geospatial Engineering",
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                "role": "metadata_custodian",
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            }
        }
    ],
    "station_items": [
        {
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                "comment": "This site operated semi-continuously\r\nsince the date shown. The back catologue\r\nof data are available upon request.",
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                    "email": "gnaac@newcastle.ac.uk",
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                },
                "date_from": "1996-10-31 00:00:00",
                "date_to": "1999-12-13 23:59:00",
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                    },
                    {
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                "date_from": "2000-02-01 00:00:00",
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                        "value_numeric": null,
                        "value_varchar": "Huber+Suhner"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "1996-10-31 00:00:00",
                        "date_to": "2005-06-14 16:00:00",
                        "value_date": null,
                        "value_numeric": 60,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "Added LNA 2002-12-19T15:00Z",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1996-10-31 00:00:00",
                "date_to": "2005-06-14 16:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "1996-10-31 00:00:00",
                        "date_to": "2005-06-14 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "1996-10-31 00:00:00",
                        "date_to": "2005-06-14 16:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": "antenna moved by a sheep in enclosure\r\nremoval time is approximate to a few days only\r\nand is based on time series analysis",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-06-14 16:00:00",
                "date_to": "2009-07-26 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2005-06-14 16:00:00",
                        "date_to": "2009-07-26 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "AOAD\/M_T"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-06-14 16:00:00",
                        "date_to": "2009-07-26 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "221"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2005-06-14 16:00:00",
                        "date_to": "2009-07-26 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2005-06-14 16:00:00",
                        "date_to": "2009-07-26 00:00:00",
                        "value_date": null,
                        "value_numeric": 0.033,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2005-06-14 16:00:00",
                        "date_to": "2009-07-26 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2005-06-14 16:00:00",
                        "date_to": "2009-07-26 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2005-06-14 16:00:00",
                        "date_to": "2009-07-26 00:00:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2005-06-14 16:00:00",
                        "date_to": "2009-07-26 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Huber+Suhner"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2005-06-14 16:00:00",
                        "date_to": "2009-07-26 00:00:00",
                        "value_date": null,
                        "value_numeric": 60,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "antenna moved by a sheep in enclosure\r\nremoval time is approximate to a few days only\r\nand is based on time series analysis",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2005-06-14 16:00:00",
                "date_to": "2009-07-26 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2005-06-14 16:00:00",
                        "date_to": "2009-07-26 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2005-06-14 16:00:00",
                        "date_to": "2009-07-26 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": "antenna relocated to forced centred position\r\nantenna hardware was not changed",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2009-07-26 00:00:00",
                "date_to": "2009-08-17 13:40:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2009-07-26 00:00:00",
                        "date_to": "2009-08-17 13:40:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "AOAD\/M_T"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2009-07-26 00:00:00",
                        "date_to": "2009-08-17 13:40:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "221"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2009-07-26 00:00:00",
                        "date_to": "2009-08-17 13:40:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2009-07-26 00:00:00",
                        "date_to": "2009-08-17 13:40:00",
                        "value_date": null,
                        "value_numeric": 0.033,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2009-07-26 00:00:00",
                        "date_to": "2009-08-17 13:40:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2009-07-26 00:00:00",
                        "date_to": "2009-08-17 13:40:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2009-07-26 00:00:00",
                        "date_to": "2009-08-17 13:40:00",
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2009-07-26 00:00:00",
                        "date_to": "2009-08-17 13:40:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Huber+Suhner"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2009-07-26 00:00:00",
                        "date_to": "2009-08-17 13:40:00",
                        "value_date": null,
                        "value_numeric": 60,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "antenna relocated to forced centred position\r\nantenna hardware was not changed",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2009-07-26 00:00:00",
                "date_to": "2009-08-17 13:40:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2009-07-26 00:00:00",
                        "date_to": "2009-08-17 13:40:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2009-07-26 00:00:00",
                        "date_to": "2009-08-17 13:40:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": "Unknown",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2009-08-17 13:40:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "antenna_type"
                        },
                        "date_from": "2009-08-17 13:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "AOAD\/M_T"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2009-08-17 13:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "221"
                    },
                    {
                        "attribute": {
                            "name": "antenna_reference_point"
                        },
                        "date_from": "2009-08-17 13:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "BPA"
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_up_ecc"
                        },
                        "date_from": "2009-08-17 13:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0.033,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_north_ecc"
                        },
                        "date_from": "2009-08-17 13:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "marker_arp_east_ecc"
                        },
                        "date_from": "2009-08-17 13:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "alignment_from_true_n"
                        },
                        "date_from": "2009-08-17 13:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 0,
                        "value_varchar": null
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_type"
                        },
                        "date_from": "2009-08-17 13:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Huber+Suhner"
                    },
                    {
                        "attribute": {
                            "name": "antenna_cable_length"
                        },
                        "date_from": "2009-08-17 13:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": 60,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "antenna"
                }
            }
        },
        {
            "item": {
                "comment": "Unknown",
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2009-08-17 13:40:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "radome_type"
                        },
                        "date_from": "2009-08-17 13:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "NONE"
                    },
                    {
                        "attribute": {
                            "name": "serial_number"
                        },
                        "date_from": "2009-08-17 13:40:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "radome"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1996-10-31 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "standard_type"
                        },
                        "date_from": "1996-10-31 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "INTERNAL"
                    },
                    {
                        "attribute": {
                            "name": "input_frequency"
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                        "date_from": "1996-10-31 00:00:00",
                        "date_to": null,
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": null
                    }
                ],
                "item_type": {
                    "name": "frequency_standard"
                }
            }
        },
        {
            "item": {
                "comment": null,
                "contact_as_owner": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "site_owner",
                    "title": ""
                },
                "contact_as_producer": {
                    "agency": {
                        "abbreviation": "NCL",
                        "address": "Cassie Building\nNE1 7RU Newcastle upon Tyne\nUnited Kingdom of Great Britain and Northern Ireland (the)",
                        "infos": "",
                        "name": "Newcastle University",
                        "www": ""
                    },
                    "comment": "",
                    "email": "gnaac@newcastle.ac.uk",
                    "name": "Geospatial Engineering",
                    "phone": "+441912086445",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "2007-07-11 00:00:00",
                "date_to": "2010-01-08 00:00:00",
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
                        },
                        "date_from": "2007-07-11 00:00:00",
                        "date_to": "2010-01-08 00:00:00",
                        "value_date": null,
                        "value_numeric": null,
                        "value_varchar": "Met3"
                    },
                    {
                        "attribute": {
                            "name": "manufacturer"
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