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Sentinel-1 RTC Now Available Through ASF Vertex

Sentinel-1 radiometric terrain correction (RTC) can now be ordered through ASF Vertex Data Search. RTC removes the geometric and radiometric distortions inherent in SAR images and produces analysis-ready data suitable for use in GIS applications. Find out how by visiting

Two Part SAR Webinar: Part 1- Introduction to Synthetic Aperture Radar (SAR) Data

Part 1 of a webinar hosted by GIS specialist, Heidi Kristenson, which includes a basic introduction to SAR data collection, the datasets that are available from the ASF DAAC, and the processing required to extract useful information from the data.

Two-Part SAR Webinar: Part 2- Applications of SAR Data in GIS Environments

Part 2 of a webinar hosted by GIS specialist, Heidi Kristenson, which focuses on Sentinel-1 datasets, discussing options for generating Radiometric Terrain Corrected (RTC) datasets, and present workflows using both ArcGIS and QGIS software.

ALOS AVNIR-2 Data Now Available

Need optical data? ALOS AVNIR-2 Ortho Rectified Image products created by JAXA (Japan Aerospace Exploration Agency) are now available from the ASF DAAC as a result of partnership between NASA and JAXA.

Training and Resources

Synthetic Aperture Radar: Hazards

This six-week edX course teaches the fundamentals of the use of Synthetic Aperture Radar (SAR) remote sensing for disaster monitoring. The course is FREE, with the option to pursue a Verified Certificate. Information online

SAR Image Gallery

SAR Scientist Highlight


AUG 2020 - Fritz Freudenberger

Bernd Scheuchl, PhD

Bernd Scheuchl brings more than 25 years of experience using synthetic aperture radar remote sensing data in both industry and academia to his role as the chair of ASF’s User Working Group. As leader of the advisory board, he helps shape ASF’s role as a NASA Distributed Active Archive Center, ensuring the data are accessible for all users. Scheuchl works to coordinate ASF’s support of the upcoming NASA/ISRO SAR mission (NISAR) through development of new SAR techniques and transformative technology. As a researcher, his team’s work is at the forefront of using SAR data to study Antarctica, including producing its first continent-wide ice velocity map.