Skip to main content

Sentinel-1 C-SAR Resources

Earthdata resources for users working with NASA’s Sentinel-1 C-band Synthetic Aperture Radar data include tutorials and other learning resources, news announcements such as instrument updates and data releases, user guides and related documents, and frequently asked questions.

Sentinel-1 C-SAR Learning Resources

View All Learning Resources
Filters
A composite image of an earthquake in Chile of interferometer and Landsat imagery.

Burst-Based InSAR for Sentinel-1 On Demand

Order Sentinel-1 interferometric synthetic aperture radar (InSAR) products On Demand from NASA’s Alaska Satellite Facility Distributed Active Archive Center (ASF DAAC) for individual SLC bursts.
StoryMap
Nov. 1, 2024
image of interferogram

Phase Unwrap an Interferogram

Learn how to phase unwrap an interferogram in this data recipe from NASA’s Alaska Satellite Facility Distributed Active Archive Center (ASF DAAC).
Data Recipe
Oct. 18, 2024
This Sentinel-1 image capturing the Mississippi River has been processed into a GIS-compatible format and imported for ease of use. Credit: Copernicus Sentinel data 2017, processed by ESA.

Geocode Sentinel-1 with ArcGIS

This data recipe shows how to geocode Sentinel-1 GRD products in ArcGIS using the Project Raster tool.
Data Recipe
Oct. 2, 2024
SHOWING 8 OF 58

Sentinel-1 C-SAR News

View All News
Filters
SAR land data image with globe pattern overlay

From ERS-1 to NISAR: 35 Years of SAR at ASF

August 2026 marks 35 years since the first downlink of synthetic aperture radar data to the Alaska SAR Facility. ASF has supported many missions and archived many Earth observations since then.
Blog
Aug. 17, 2026
Pictured is satellite imagery of portions of Montana, Idaho, and Wyoming. Portions of the map are colored blue for areas of EMIT and SAR data masking. Yellow where there is landing cover masking. Red where high-resolution model training was used. Dots for training point data. And white to show the total area of analysis extent.

Homing In On the Range

USGS researchers found NASA’s imaging spectroscopy satellite data could significantly improve identification of vegetation types across rangelands.
News
June 25, 2026
OPERA Radiometric Terrain Corrected Synthetic Aperture Radar Backscatter image of Singapore on 17 February 2026 from ESA's Sentinel-1C satellite

Singapore's Shipping Strait

Image captured on February 17, 2026, by the C-Band SAR instrument aboard ESA's Sentinel-1C platform.
Worldview Image of the Week
Feb. 27, 2026
SHOWING 4 OF 41

QUESTIONS & SUPPORT

Have a question?

Get help with NASA Earth science data, datasets, tools, services, and metadata on the Earthdata Forum. Experienced staff in the data user community review and answer questions.

Get help on Earthdata Forum
Earthdata
Forum