Alaska Satellite Facility
Delivering Remote Sensing Data Since 1991


ASF Welcomes Your Feedback
NASA EOSDIS recently sent brief survey invitations through the CFI Group to rate products and services of the DAACs. This feedback is important to ASF and we sincerely want your input to help make us better at serving your needs.  We encourage you to fill out the survey as we use this information to determine our products and services.  Suggestions are welcome!  We read the survey results in detail every year.

The survey should take no longer than 10 to 15 minutes to complete.  If you did not receive a survey invitation, please provide your e-mail address to  

We at ASF thank you for taking the time to answer the survey questions, assisting us in satisfying user needs.

Comet InSAR Training Workshop

The Centre for Observation & Modelling of Earthquakes, Volcanoes, & Tectonics invites you to attend a 3-day workshop aimed at early postgraduate students and postdoctoral researchers. This workshop will include a combination of informal lectures and practical exercises.

Interested? The workshop application is available here.

ERS-1 and ERS-2 now offered through "Free & Open" policyRead more

2018 – Spaceborne SAR turns 40!
The adventure started with the launch of NASA’s Seasat.

Get SAR Data

Get SAR Data

Select and download SAR data online using Vertex.

Use the ASF API for downloading SAR data via a command line.