Alaska Satellite Facility Distributed Active Archive Center | NASA Earthdata
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Delivery of Suomi National Polar-orbiting Partnership (Suomi NPP) satellite data products will cease on November 1, 2026. Data users should transition now to alternative products from NOAA-21 and NOAA-20.
Suomi NPP data announcement
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ASF DAAC Data Access and Tools
Data at the Alaska Satellite Facility can be accessed through Earthdata Search. ASF also offers both browser and programmatic services for accessing and downloading data.<br>Access to ASF data requires an Earthdata Login account, and the ASF End User License Agreement (EULA) must be completed when logging in to Vertex for the first time.
ASF Data Discovery Services<br>VertexA powerful yet easy-to-use graphical interface for creating searches, refining results, and downloading SAR data from the ASF archive.asf_searchSearch and download SAR data with just a few lines of Python. Available via PyPi and Conda, this module is ideal for Python users developing new tools.Search APIA REST API that provides access to the ASF data archive. It supports Wget, cURL, and most programming languages.
ASF Data Processing Services<br>HyP3A free, on-demand cloud processing service that offers analysis-ready RTC and InSAR products from Sentinel-1 SAR data. The HyP3 service is integrated into Vertex for a seamless data discovery and processing experience. HyP3 is also available through a REST API and Python SDK.HyP3+This option lets you purchase processing credits as needed, avoiding the credit limit and shared processing queue of the basic HyP3 service. HyP3+ is built into the Vertex+ interface, offering a seamless search and processing experience, and is also available through an API and Python SDK.
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Instrument<br>Temporal Extent<br>Data Format
AIRSAR_ALONGTRACK_INTERFEROMETRY_JPG<br>AIRSAR<br>1998-10-25 to 2004-03-05
AIRSAR_POLSAR_3_FREQ_POLARIMETRY<br>AIRSAR<br>1990-03-02 to 2004-03-21
AIRSAR_POLSAR_SYNOPTIC_3_FREQ_POLARIMETRY<br>AIRSAR<br>1990-03-29 to 1991-07-16
AIRSAR_TOPSAR_C-BAND_DEM_AND_STOKES<br>AIRSAR<br>1993-06-08 to 2004-12-04
AIRSAR_TOPSAR_DEM<br>AIRSAR<br>1993-06-08 to 2004-12-04
AIRSAR_TOPSAR_DEM_C<br>AIRSAR<br>1993-06-08 to 2004-12-04
AIRSAR_TOPSAR_DEM_L<br>AIRSAR<br>1993-06-08 to 2004-12-04
AIRSAR_TOPSAR_DEM_P<br>AIRSAR<br>1993-06-08 to 2004-12-04
AIRSAR_TOPSAR_L-BAND_STOKES<br>AIRSAR<br>1993-06-08 to 2004-12-04
AIRSAR_TOPSAR_P-BAND_STOKES<br>AIRSAR<br>1993-06-08 to 2004-12-04
ALOS AVNIR-2 Ortho Rectified Image Product<br>AVNIR-2<br>2006-01-23 to 2011-05-23
ALOS PALSAR High Resolution Radiometric Terrain Corrected Product<br>PALSAR<br>2006-03-23 to 2011-04-22
ALOS PALSAR Level 1.0 Product<br>PALSAR<br>2006-03-23 to 2011-04-22
ALOS PALSAR Level 1.1 Product<br>PALSAR<br>2006-01-23 to 2011-05-23
ALOS PALSAR Level 1.5 Product<br>PALSAR<br>2006-03-23 to 2011-04-22
ALOS PALSAR Level 2.2 Product<br>PALSAR<br>2006-01-23 to 2011-05-23
ALOS PALSAR Low Resolution Radiometric Terrain Corrected Product<br>PALSAR<br>2006-03-23 to 2011-04-22
ALOS-2 PALSAR-2 Level 1 ScanSAR Product<br>PALSAR-2<br>2014-08-01 to Present<br>ZIP
ARIA Sentinel-1 Geocoded Unwrapped Interferograms<br>C-SAR<br>2014-06-15 to Present<br>netCDF-4, PNG, JSON
Derived Vegetation Water Content used by the NASA-ISRO Synthetic Aperture Radar (NISAR) Mission<br>MODIS<br>2022-10-31<br>HDF5
Derived Water Mask Tiles used by the NASA-ISRO Synthetic Aperture Radar (NISAR) Mission
2025-01-01 to Present<br>GeoTIFF, XML
ECMWF SMST Data
2025-08-01 to Present<br>netCDF-3
ECMWF TROPO Data
2015-01-01 to Present<br>netCDF-4
ERS-1 Level 0 Product<br>SAR<br>1991-08-08 to 1997-09-29
ERS-1 Level 1 Product<br>SAR<br>1991-08-08 to 1997-09-29
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Description<br>Services
ASF ArcGIS Toolbox<br>The ASF_Tools ArcGIS Python Toolbox can be used with either ArcGIS Desktop or ArcGIS Pro, and contains tools that perform geoprocessing tasks useful for working with synthetic aperture radar (SAR) data.<br>Processing
ASF Displacement Portal<br>Find and utilize Observational...