Welcome to ESA Online Dissemination

The ESA Online Dissemination is an online EO products cache that provide an easy access to EO data by coupling high bandwidth, large storage space and software. The ESA Online Dissemination provides a high performance infrastructure for storing and providing access to ESA EO data.

The ESA Online Dissemination for ERS and Envisat (A)SAR products is a data dissemination solution coupled with complementary services:

  • User authentication and authorization
  • Data access via common web protocols such as HTTP(s)

Use your SSO account to access the EO product data (click on the "Login" button to login and the "Collections" button to search the products). If you still don't have an SSO account, please go to http://earth.esa.int and perform the registration steps to get one.

More information on the functionalities of the On-The-Fly online service can be found in the (A)SAR OTF user manual

For more details or request for support please raise a simple request

Service News

As of 04/01/2019 the following features have been introduced for the (A)SAR dissemination:

  • Simple Online Catalogue interface for search and download
  • Bulk download allowing users to submit bulk dissemination requests for L1 data
  • Interferometric search to identify suitable correlated pairs of products for INSAR applications
  • New data collection providing the full ERS-1/2 Medium Resolution L1 processed archive (SAR_IMM_1P) available for direct download
  • Dynamic Quality of Service guaranteeing a specified minimum number of L1 products per collection per day extendable provided available system capacity