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NOAA CORS Network (NCN) API


NCN API distributes limited attributes for NCN

Station Service

Returns coordinate and metadata for an NCN station

Query Parameter

Description

id

A 4-character alphanumeric ID associated with an NCN station

 

Example:

https://geodesy.noaa.gov/api/nde/cors?id=1lsu

Sample Response:

[

  {

    "pid": "DF5754",

    "corsId": "1LSU",

    "name": "LOUISIANA STATE U CORS ARP",

    "stCounty": "LA,EAST BATON ROUGE",

    "quad": "BATON ROUGE WEST (2018)",

    "lat": "30.4074193000",

    "latDms": "N302426.70948",

    "lon": "-91.1802541056",

    "lonDms": "W0911048.91478",

    "ellipHeight": "-5.208",

    "posDatum": "NAD 83(2011)",

    "epoch": "2010.00",

    "posSource": "ADJUSTED",

    "posOrder": " ",

    "orthoHt": "21.87",

    "vertDatum": "NAVD 88",

    "vertSource": "GPS OBS",

    "vertOrder": " ",

    "vertClass": " ",

    "vertEpoch": "2009.55",

    "geoidHt": "-27.070",

    "geoidModel": "GEOID18",

    "dynamicHt": " ",

    "modeledGravity": " ",

    "monumentType": "STATION IS THE ANTENNA REFERENCE POINT OF THE GPS ANTENNA",

    "stamping": " ",

    "setting": " ",

    "stability": " ",

    "pacsSacs": " ",

    "condition": " ",

    "lastRecovered": " ",

    "lastRecoveredBy": " ",

    "netAccHz": "0.28",

    "netAccEh": "0.44",

    "netAccN": "0.10",

    "netAccE": "0.13",

    "netAccU": "0.22",

    "netCorrNE": "0.04930200",

    "htMod": "Y",

    "satUse": " ",

    "x": "-113402.172",

    "y": "-5504362.813",

    "z": "3209404.367",

    "spcZone": "LA S",

    "spcNorthing": "211438.087",

    "spcEasting": "1014708.612",

    "spcConvergence": "+0 04 35.5",

    "spcCombinedFactor": "0.99995165",

    "utmZone": "15",

    "utmNorthing": "3365337.433",

    "utmEasting": "674803.366",

    "utmConvergence": "+0 55 16.6",

    "utmCombinedFactor": "0.99997779"

  }

]

 

Nearest NCN stations Service

Returns 9 nearest NCN stations ordered by distance

Query Parameter

Description

x

X-coordinate in meters

y

Y-coordinate in meters

z

Z-coordinate in meters

 

Example:

https://geodesy.noaa.gov/api/nde/ncors?x=-2353662.0060&y=-4807538.9880&z=3456827.2770

 

Sample Response:

[
  {
    "corsId": "USGC",
    "name": "USGC_SCGN_CS1998 CORS ARP",
    "distance": "0.0"
  },
  {
    "corsId": "P480",
    "name": "VALLECITO_CS2004 CORS ARP",
    "distance": "25316.49"
  },
  {
    "corsId": "SLMS",
    "name": "SLMS_SCGN_CS1999 CORS ARP",
    "distance": "30756.35"
  },
  {
    "corsId": "P486",
    "name": "BORREGOAIRCS2004 CORS ARP",
    "distance": "33766.14"
  },
  {
    "corsId": "MONP",
    "name": "MONUMENT PEAK CORS ARP",
    "distance": "35035.26"
  },
  {
    "corsId": "P494",
    "name": "WESTSIDEESCS2005 CORS ARP",
    "distance": "44630.26"
  },
  {
    "corsId": "P483",
    "name": "JULIANBIN_CS2004 CORS ARP",
    "distance": "45322.7"
  },
  {
    "corsId": "P066",
    "name": "JACUMBAAP_CS2004 CORS ARP",
    "distance": "46538.82"
  },
  {
    "corsId": "DHLG",
    "name": "DURMID HILL CORS ARP",
    "distance": "48581.6"
  }
]

 

Metadata

The following URL provides metadata for various parameters used in the JSON response:

 https://geodesy.noaa.gov/api/nde/meta