<?xml version="1.0" encoding="UTF-8"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-07-18T14:42:58Z</responseDate><request identifier="IPAPP1B.001" metadataPrefix="dif" verb="GetRecord">http://nsidc.org/api/dataset/metadata/oai</request><GetRecord><record><header><identifier>oai:nsidc.org/IPAPP1B.001</identifier><datestamp>2026-06-23T17:42:20Z</datestamp><setSpec>v0_daac</setSpec><setSpec>v0_all</setSpec><setSpec>nasa_nsidc_daac</setSpec></header><metadata>
<DIF xmlns="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/ http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/dif_v9.7.1.xsd"><Entry_ID>IPAPP1B.001</Entry_ID><Entry_Title>IceBridge POS/AV L1B Corrected Position and Attitude Data</Entry_Title><Data_Set_Citation><Dataset_Creator>Dominguez, R.</Dataset_Creator><Dataset_Title>IceBridge POS/AV L1B Corrected Position and Attitude Data</Dataset_Title><Dataset_Release_Date>2010-07-30</Dataset_Release_Date><Dataset_Release_Place>Boulder, Colorado USA</Dataset_Release_Place><Dataset_Publisher>NASA NSIDC DAAC: NASA National Snow and Ice Data Center Distributed Active Archive Center</Dataset_Publisher><Version>1</Version><Other_Citation_Details><Invert_Citation_Order>false</Invert_Citation_Order></Other_Citation_Details><Dataset_DOI>10.5067/XILTNL9F1HCR</Dataset_DOI><Online_Resource>https://doi.org/10.5067/XILTNL9F1HCR</Online_Resource><Dataset_Series_Name>IPAPP1B</Dataset_Series_Name></Data_Set_Citation><Personnel><Role>Technical Contact</Role><First_Name>NSIDC</First_Name><Last_Name>User Services</Last_Name><Email>nsidc@nsidc.org</Email><Phone>1-303-492-6199</Phone><Fax>1-303-492-2468</Fax><Contact_Address><Address>CIRES, 449 UCB</Address><Address>University of Colorado</Address><City>Boulder</City><Province_or_State>CO</Province_or_State><Postal_Code>80309-0449</Postal_Code><Country>USA</Country></Contact_Address></Personnel><Parameters><Category>EARTH SCIENCE</Category><Topic>SPECTRAL/ENGINEERING</Topic><Term>PLATFORM CHARACTERISTICS</Term><Variable_Level_1>ATTITUDE CHARACTERISTICS</Variable_Level_1><Variable_Level_2> </Variable_Level_2><Variable_Level_3> </Variable_Level_3><Detailed_Variable> </Detailed_Variable></Parameters><ISO_Topic_Category>Geoscientific Information</ISO_Topic_Category><Keyword>IB Position &#x2013;Attitude-GPS-IMU-project</Keyword><Keyword>IceBridge</Keyword><Keyword>IceBridge-project</Keyword><Sensor_Name><Short_Name>NASA POS/AV</Short_Name><Long_Name>NASA Applanix POS/AV</Long_Name></Sensor_Name><Source_Name><Short_Name>NASA DC-8</Short_Name><Long_Name>NASA Douglas DC-8</Long_Name></Source_Name><Source_Name><Short_Name>P-3B</Short_Name><Long_Name>Lockheed P-3B Orion</Long_Name></Source_Name><Temporal_Coverage><Start_Date>2009-03-27</Start_Date><Stop_Date>2018-04-19</Stop_Date></Temporal_Coverage><Data_Set_Progress>complete</Data_Set_Progress><Spatial_Coverage><Southernmost_Latitude>60</Southernmost_Latitude><Northernmost_Latitude>90</Northernmost_Latitude><Westernmost_Longitude>-180</Westernmost_Longitude><Easternmost_Longitude>180</Easternmost_Longitude></Spatial_Coverage><Spatial_Coverage><Southernmost_Latitude>-90</Southernmost_Latitude><Northernmost_Latitude>-53</Northernmost_Latitude><Westernmost_Longitude>-180</Westernmost_Longitude><Easternmost_Longitude>180</Easternmost_Longitude></Spatial_Coverage><Location><Location_Category>CONTINENT</Location_Category><Location_Type>ANTARCTICA</Location_Type></Location><Location><Location_Category>CONTINENT</Location_Category><Location_Type>NORTH AMERICA</Location_Type><Location_Subregion1>GREENLAND</Location_Subregion1></Location><Data_Resolution><Temporal_Resolution>Varies</Temporal_Resolution></Data_Resolution><Access_Constraints>These data are freely, openly, and fully accessible, provided that you are logged into your NASA Earthdata profile (https://urs.earthdata.nasa.gov/).</Access_Constraints><Use_Constraints>These data are freely, openly, and fully available to use without restrictions, provided that you cite the data according to the recommended citation at&#xA0;https://nsidc.org/about/data-use-and-copyright. For more information on the NASA ESDIS Data Use Guidance, see&#xA0;https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance.</Use_Constraints><Data_Set_Language>English</Data_Set_Language><Originating_Center>UC-SC/UARC/NASA/AMES</Originating_Center><Data_Center><Data_Center_Name><Short_Name>NASA NSIDC DAAC</Short_Name><Long_Name>NASA National Snow and Ice Data Center Distributed Active Archive Center</Long_Name></Data_Center_Name><Data_Center_URL>https://nsidc.org/daac</Data_Center_URL><Personnel><Role>Data Center Contact</Role><First_Name>NSIDC</First_Name><Last_Name>User Services</Last_Name><Email>nsidc@nsidc.org</Email><Phone>1-303-492-6199</Phone><Contact_Address><Address>National Snow and Ice Data Center</Address><Address>CIRES, 449 UCB</Address><Address>University of Colorado</Address><City>Boulder</City><Province_or_State>CO</Province_or_State><Postal_Code>80309-0449</Postal_Code><Country>USA</Country></Contact_Address></Personnel></Data_Center><Distribution><Distribution_Media>HTTPS</Distribution_Media><Distribution_Format>Binary</Distribution_Format></Distribution><Reference/><Summary><Abstract>This data set contains georeferencing data from the Applanix 510 POS AV system flown with the Digital Mapping System (DMS) and other instruments over Greenland and Antarctica. Data parameters include latitude, longitude, altitude, velocity, roll, pitch, and heading. The data were collected as part of Operation IceBridge funded campaigns.</Abstract></Summary><Related_URL><URL_Content_Type><Type>VIEW RELATED INFORMATION</Type></URL_Content_Type><URL>https://doi.org/10.5067/XILTNL9F1HCR</URL><Description>User's Guide</Description></Related_URL><Related_URL><URL_Content_Type><Type>GET DATA</Type></URL_Content_Type><URL>https://daacdata.apps.nsidc.org/pub/DATASETS/ICEBRIDGE/IPAPP1B_GPSInsCorrected_v01</URL><Description>HTTPS</Description></Related_URL><Metadata_Name>CEOS IDN DIF</Metadata_Name><Metadata_Version>VERSION 9.9</Metadata_Version><DIF_Creation_Date>2010-07-30</DIF_Creation_Date><Last_DIF_Revision_Date>2026-06-23</Last_DIF_Revision_Date><Extended_Metadata><Metadata><Group>NSIDC</Group><Name>Version Summary</Name><Value>Initial release</Value></Metadata><Metadata><Group>NSIDC</Group><Name>Minor Version</Name><Value><number>1</number><summary>The Version 1 POS AV data were obtained by the Applanix POS AV System connected to the ATM instrument. The Version 1.1 data replace the Version 1 data, and were collected by the Applanix POS AV System connected to the DMS instrument.</summary><start_datetime>2009-03-27</start_datetime><end_datetime>2010-11-23</end_datetime><view_order>0</view_order></Value></Metadata><Metadata><Group>NSIDC</Group><Name>Current Version</Name><Value>1</Value></Metadata><Metadata><Group>NSIDC</Group><Name>Spatial Reference Systems</Name><Value><Spatial_Reference_System><SRID>N/A</SRID><Description>N/A</Description></Spatial_Reference_System></Value></Metadata><Metadata><Group>NSIDC</Group><Name>Level of Service</Name><Value><Level>Basic</Level></Value></Metadata><Metadata><Group>NSIDC</Group><Name>Full Dataset Citation</Name><Value>Dominguez, R. (2010). &lt;i&gt;IceBridge POS/AV L1B Corrected Position and Attitude Data&lt;/i&gt;. (IPAPP1B, Version 1). [Data Set]. Boulder, Colorado USA. 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