USAP-DC

[{"dataset_id": "601933", "west": -109, "east": 137, "south": -90, "north": -83, "gid": 1404, "geometry": "0101000020E61000000000000000002C400000000000A055C0", "cross_dateline": false, "bounds_geometry": "0103000020E610000001000000290000000000000000405BC00000000000C054C09A999999991955C00000000000C054C06666666666E64DC00000000000C054C098999999999941C00000000000C054C030333333333325C00000000000C054C00000000000002C400000000000C054C0D0CCCCCCCC4C43400000000000C054C09C99999999994F400000000000C054C03433333333F355400000000000C054C09A99999999195C400000000000C054C000000000002061400000000000C054C00000000000206140CDCCCCCCCCEC54C000000000002061409A999999991955C0000000000020614066666666664655C0000000000020614033333333337355C000000000002061400000000000A055C00000000000206140CDCCCCCCCCCC55C000000000002061409A99999999F955C0000000000020614066666666662656C0000000000020614033333333335356C0000000000020614000000000008056C09A99999999195C4000000000008056C03333333333F3554000000000008056C09899999999994F4000000000008056C0CCCCCCCCCC4C434000000000008056C00000000000002C4000000000008056C040333333333325C000000000008056C09C999999999941C000000000008056C06866666666E64DC000000000008056C09A999999991955C000000000008056C00000000000405BC000000000008056C00000000000405BC033333333335356C00000000000405BC066666666662656C00000000000405BC09A99999999F955C00000000000405BC0CDCCCCCCCCCC55C00000000000405BC00000000000A055C00000000000405BC033333333337355C00000000000405BC066666666664655C00000000000405BC09A999999991955C00000000000405BC0CDCCCCCCCCEC54C00000000000405BC00000000000C054C0"}]

{"@context": "https://schema.org/", "@type": "Dataset", "@id": "https://www.usap-dc.org/view/dataset/601933", "additionalType": ["geolink:Dataset", "vivo:Dataset"], "name": "NSF COLDEX 2022-23 GNSS/IMU Level 1 instrument measurements from Dome A, East Antarctica", "description": "These data comprise the RINEX formatted GNSS observations for flights in the 2022-2023 COLDEX field campaign, as well as the raw Novatel SPAN logs with rotation and acceleration information. The survey aircraft, Basler C-FMKB, had three GPS antennas (MKB2, MKB3, and MKB4) mounted on each wing and on the tail, and a single GNSS antenna (MKB1) mounted on roof near the center of gravity of the aircraft. Multiple receivers can be on each antenna. Data was recorded by a Javad Quattro-G3D (JVD) on all four antennas at 1 Hz, and on the wing antennas at 10 Hz, the Novatel SPAN OEM4 (NVT) on MKB1 at 1 Hz, and two Topcon NET-G3A (TG3) on the tail and one wing at 10 Hz. A 2 Hz Trimble Net R5 on the ground was operated for most flights (ZWD1 at Williams Field, or ZSP1 at South Pole), along with high rate Earthscope data from South Pole Station (AMU2).\r\n
\r\n
Data is organized in a hierarchy with the following levels:\r\n
*Instrument type\r\n
*Flight\r\n
*Season \r\n
*Receiver (designated by antenna)\r\n
*Flight\r\n
*UTIG Stream name\r\n
\r\n
ASCII RINEX data are generated by UNAVCO\u2019s teqc program and include:\r\n
*nav - GPS Nav Data\r\n
*rnv - GLONASS Nav Data\r\n
*obs - GPS Observation data\r\n
\r\n
_________________________________________________________________________\r\n
\r\n
SPAN data are binary files containing both the NVT GPS data that is reformatted as RINEX above, but also IMU messages. Formats for these OEM4 data can be found at Novatel\u2019s website: https://hexagondownloads.blob.core.windows.net/public/Novatel/assets/Documents/Manuals/om-20000047/om-20000047.pdf", "citation": "D. A. Young, M. Kerr, J. S. Greenbaum, D. Buhl, K. Chan, G. Echeverry, S. Singh, G. Ng, S. D. Kempf, and D. D. Blankenship (2025) \"NSF COLDEX 2022-23 GNSS/IMU Level 1 instrument measurements from Dome A, East Antarctica\" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/None.", "datePublished": "2025-05-18", "keywords": ["Aerogeophysics", "Antarctica", "Cryosphere", "South Pole"], "creator": [{"@type": "Person", "additionalType": "geolink:Person", "name": "Blankenship, Donald D.", "email": "blank@ig.utexas.edu", "affiliation": {"@type": "Organization", "name": "4412 Spicewood Springs Rd. #600"}}, {"@type": "Person", "additionalType": "geolink:Person", "name": "Buhl, Dillon", "email": null, "affiliation": {"@type": "Organization", "name": null}}, {"@type": "Person", "additionalType": "geolink:Person", "name": "Chan, Kristian", "email": null, "affiliation": {"@type": "Organization", "name": null}}, {"@type": "Person", "additionalType": "geolink:Person", "name": "Echeverry, Gonzalo", "email": null, "affiliation": {"@type": "Organization", "name": null}}, {"@type": "Person", "additionalType": "geolink:Person", "name": "Greenbaum, Jamin Stevens", "email": "", "affiliation": {"@type": "Organization", "name": null}}, {"@type": "Person", "additionalType": "geolink:Person", "name": "Kempf, Scott D.", "email": "", "affiliation": {"@type": "Organization", "name": "Jackson School of Geosciences, , J.J. Pickle Research Campus Bldg. 196, 10100 Burnet Road (R2200) "}}, {"@type": "Person", "additionalType": "geolink:Person", "name": "Kerr, Megan", "email": null, "affiliation": {"@type": "Organization", "name": null}}, {"@type": "Person", "additionalType": "geolink:Person", "name": "Ng, Gregory", "email": null, "affiliation": {"@type": "Organization", "name": null}}, {"@type": "Person", "additionalType": "geolink:Person", "name": "Singh, Shivangini", "email": null, "affiliation": {"@type": "Organization", "name": null}}, {"@type": "Person", "additionalType": "geolink:Person", "name": "Young, Duncan", "email": "", "affiliation": {"@type": "Organization", "name": null}}, {"@type": "Person", "additionalType": "geolink:Person", "name": "Young, Duncan A.", "email": "duncan@ig.utexas.edu", "affiliation": {"@type": "Organization", "name": "J.J. Pickle Research Campus, Bldg. 196, 10100 Burnet Road (R2200), Austin, TX 78758-4445"}}], "distribution": [{"@type": "DataDownload", "additionalType": "http://www.w3.org/ns/dcat#DataCatalog", "encodingFormat": "text/xml", "name": "ISO Metadata Document", "url": "https://www.usap-dc.org/metadata/isoxml/601933iso.xml", "contentUrl": "/dataset/filename"}, {"@type": "DataDownload", "@id": "https://www.usap-dc.org/view/dataset/601933", "additionalType": "dcat:distribution", "url": "https://www.usap-dc.org/view/dataset/601933", "contentUrl": "/dataset/filename", "encodingFormat": "text/html"}, {"@type": "DataDownload", "@id": "https://www.usap-dc.org/view/dataset/601933", "additionalType": "dcat:distribution", "url": "https://www.usap-dc.org/view/dataset/601933", "contentUrl": "/dataset/filename", "encodingFormat": "text/html"}], "identifier": {"@type": "PropertyValue", "url": "https://www.usap-dc.org/view/dataset/601933", "value": "https://www.usap-dc.org/view/dataset/601933"}, "contributor": [{"@type": "Role", "roleName": "credit", "description": "funderName:NSF:GEO:OPP:Antarctic Glaciology awardNumber:2019719 awardTitle:STC: Center for OLDest Ice EXploration"}], "license": [{"@type": "CreativeWork", "URL": "https://creativecommons.org/licenses/by/4.0/", "name": "MD_Constraints", "description": "useLimitation: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0]."}, {"@type": "CreativeWork", "name": "MD_LegalConstraints", "description": "accessConstraints: license. otherConstraints: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0]."}, {"@type": "CreativeWork", "name": "MD_SecurityConstraints", "description": "classification: "}], "publisher": {"@type": "Organization", "name": "U.S. Antarctic Program (USAP) Data Center"}, "spatialCoverage": [{"@type": "Place", "geo": {"@type": "GeoShape", "box": "-90, -109, -83, 137"}}]}

NSF COLDEX 2022-23 GNSS/IMU Level 1 instrument measurements from Dome A, East Antarctica Cite as D. A. Young, M. Kerr, J. S. Greenbaum, D. Buhl, K. Chan, G. Echeverry, S. Singh, G. Ng, S. D. Kempf, and D. D. Blankenship (2025) "NSF COLDEX 2022-23 GNSS/IMU Level 1 instrument measurements from Dome A, East Antarctica" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/None. Abstract These data comprise the RINEX formatted GNSS observations for flights in the 2022-2023 COLDEX field campaign, as well as the raw Novatel SPAN logs with rotation and acceleration information. The survey aircraft, Basler C-FMKB, had three GPS antennas (MKB2, MKB3, and MKB4) mounted on each wing and on the tail, and a single GNSS antenna (MKB1) mounted on roof near the center of gravity of the aircraft. Multiple receivers can be on each antenna. Data was recorded by a Javad Quattro-G3D (JVD) on all four antennas at 1 Hz, and on the wing antennas at 10 Hz, the Novatel SPAN OEM4 (NVT) on MKB1 at 1 Hz, and two Topcon NET-G3A (TG3) on the tail and one wing at 10 Hz. A 2 Hz Trimble Net R5 on the ground was operated for most flights (ZWD1 at Williams Field, or ZSP1 at South Pole), along with high rate Earthscope data from South Pole Station (AMU2). Data is organized in a hierarchy with the following levels: *Instrument type *Flight *Season *Receiver (designated by antenna) *Flight *UTIG Stream name ASCII RINEX data are generated by UNAVCO’s teqc program and include: *nav - GPS Nav Data *rnv - GLONASS Nav Data *obs - GPS Observation data _________________________________________________________________________ SPAN data are binary files containing both the NVT GPS data that is reformatted as RINEX above, but also IMU messages. Formats for these OEM4 data can be found at Novatel’s website: https://hexagondownloads.blob.core.windows.net/public/Novatel/assets/Documents/Manuals/om-20000047/om-20000047.pdf Creator(s): Young, Duncan A.; Kerr, Megan; Greenbaum, Jamin Stevens; Buhl, Dillon; Chan, Kristian; Echeverry, Gonzalo; Singh, Shivangini; Ng, Gregory; Kempf, Scott D.; Blankenship, Donald D. Date Created: 2025-05-21 Repository: USAP-DC (current) License: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0] Spatial Extent(s) West: -109, East: 137, South: -90, North: -83 Temporal Extent(s) Start: 2022-12-29 - End: 2023-01-28 Award(s) NSF 2019719 Version: 1 Related Project(s) Center for Oldest Ice Exploration Keywords Aerogeophysics Antarctica Cryosphere South Pole