{
    "cdp_num": "115",
    "comment": "The subsurface is composed of granite and thin\nlayers of sandy soil. Solid granite bedrock\noccurs at depths of three to nine meters.\nVarying layers of soft granite and fractured\ngranite occur between surface material and\nbedrock. The area is undergoing a phase of\nactive erosion.\nGeological information from 'NASA Space Geodesy\nProgram Memorandum 4482' p277.",
    "conditions": [
        {
            "comments": "located around 45 degrees north and\nnear enough to produce multipath effects.",
            "date_from": "2011-11-01 00:00:00",
            "date_to": "2012-02-07 00:00:00",
            "type": "radio_interferences: Wi-Fi antenna system (2.4GHz)"
        },
        {
            "comments": null,
            "date_from": "2011-02-01 00:00:00",
            "date_to": "2012-02-21 00:00:00",
            "type": "multipath_sources: Safety Metallic Roof Handrail"
        },
        {
            "comments": null,
            "date_from": "2003-09-10 00:00:00",
            "date_to": "2003-10-30 00:00:00",
            "type": "local_episodic_effect: failed antenna splitter and subsequent\ntroubleshooting efforts resulted in\nloss of data during this period."
        },
        {
            "comments": null,
            "date_from": "2003-11-11 00:00:00",
            "date_to": null,
            "type": "local_episodic_effect: continued intermittent tracking until\nthis date, both antenna and splitter\nwere replaced. splitter is now AC\npowered, rather than depending on the\nDC output from either receiver.\nGPS Networking, Inc. P\/N -\nNH1ALDCBS1x2-N\/15\/110"
        },
        {
            "comments": null,
            "date_from": "2012-02-03 00:00:00",
            "date_to": "2012-02-03 00:00:00",
            "type": "local_episodic_effect: Transitioned from .soc to .ash data types.  For\nsoc data typed used soc2rnx to do the\nconversion to RINEX data.  For ash data types\nusing teqc directly to do the conversion to\nRINEX."
        },
        {
            "comments": null,
            "date_from": "2012-02-08 00:00:00",
            "date_to": null,
            "type": "local_episodic_effect: Wi-Fi antenna located at Building 300 roof\nhas been disconnected and removed on\n2012-02-08T14:30 HS Madrid,Spain time.\nThis is in response to finding the source\nof Madrid GPS signal multipath."
        },
        {
            "comments": null,
            "date_from": "2012-02-21 00:00:00",
            "date_to": null,
            "type": "local_episodic_effect: Part of the handrail nearest to GPS antenna\nwas removed. This appears to have solved\nthe Madrid GPS multipath degradation problem."
        }
    ],
    "country": "Spain",
    "country_code_ISO": "ESP",
    "date_from": "1989-01-01 00:00:00",
    "date_to": null,
    "description": "DIVOT",
    "geological": {
        "bedrock": {
            "condition": null,
            "type": null
        },
        "characteristic": null,
        "distance_to_fault": null,
        "fault_zone": null,
        "fracture_spacing": null
    },
    "iers_domes": "13407S012",
    "instrument_collocation": [
        {
            "comment": "",
            "date_from": "1974-01-01 00:00:00",
            "date_to": null,
            "status": "PERMANENT",
            "type": "VLBI"
        }
    ],
    "local_ties": [
        {
            "accuracy": null,
            "comment": null,
            "cpd_num": "1565",
            "date_at": null,
            "dx": -134.1934,
            "dy": 159.666,
            "dz": 164.32,
            "iers_domes": "13407S010",
            "name": "MADR 1665",
            "survey_method": "Unknown",
            "usage": null
        }
    ],
    "location": {
        "city": "Robledo",
        "coordinates": {
            "X": 4849202.399,
            "Y": -360328.994,
            "Z": 4114913.188,
            "altitude": 829.5,
            "lat": 40.429161729338254,
            "lon": -4.249659327280468
        },
        "country": "Spain",
        "country_iso_code": "ESP",
        "description": "Site is located on JPL's Madrid Tracking\nstation which is south of Madrid, Spain near\nRobledo\nAntenna is shared with site MADR\nThe reference frame is ITRF2000.\nThe epoch is January 1, 2004.",
        "state": null,
        "tectonic": {
            "plate_name": "EURASIAN"
        }
    },
    "logs": {
        "contact": "David Maggert",
        "date": "2013-01-31 00:00:00",
        "log_type": "UPDATE",
        "modified": "UNAVAILABLE",
        "previous": "UNAVAILABLE",
        "title": "MAD200ESP.xml"
    },
    "marker": "MAD2",
    "monument": {
        "description": "2 Brass brackets",
        "foundation": "Roof mounted",
        "foundation_depth": 5.15,
        "height": 0.203,
        "monument_inscription": "None"
    },
    "monument_num": 0,
    "name": "Madrid Deep Space Tracking Station",
    "receiver_num": 0,
    "station_contacts": [
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                    "www": ""
                },
                "comment": "",
                "email": "dstowers@jpl.nasa.gov",
                "name": "David A. Stowers",
                "phone": "+1 818-354-7055",
                "role": "site_owner",
                "title": ""
            }
        },
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                },
                "comment": "",
                "email": "dmaggert@unavco.org",
                "name": "David Maggert",
                "phone": "+1 303 381 7454",
                "role": "metadata_custodian",
                "title": ""
            }
        }
    ],
    "station_items": [
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                },
                "date_from": "1997-10-30 00:00:00",
                "date_to": "1998-06-16 08:50:00",
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                "date_to": "1999-08-24 09:24:00",
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                    }
                ],
                "item_type": {
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            }
        },
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            }
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                    },
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                },
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                    },
                    "comment": "",
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