Alaska Satellite Facility
Delivering Remote Sensing Data Since 1991

Proposals are no longer required to access data from ASF. 

Users who wish to obtain ERS-1, -2, ALOS PALSAR, IPY and Sentinel data must agree to the Terms of Service when first logging into Vertex.

Users who wish to obtain RADARSAT-1 and JERS-1 data must complete a Restricted Data Access Request.

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.