blue arrow Instrument Overview

ERS-1 instruments

The ERS-1 satellite, launched on 17 July 1991, carried a Synthetic Aperture Radar (SAR). It operated in parallel with another instrument – the Wind Scatterometer (WS). Together the SAR/WS configuration was called the Active Microwave Instrument (AMI). AMI had three modes of operation, which allowed the instruments to image land during day or night or through clouds.

The ERS-1 mission ended on 10 March 2000, far exceeding its expected lifespan.


 

blue arrow Data

blue arrow DATA DOWNLOAD

Download data from the ERS-1 SAR mission through the ESA Online Dissemination System. The data is freely available to registered users.

blue arrow DATA DESCRIPTION

All ERS-1 SAR products, in accordance with ESA Earth Observation Data Policy, are freely available to users. These include:

RAW, IMP and SLC data are provided in CEOS format produced using the ESA PGS-ERS processor. All products can be provided in an Envisat product format, provided by the ESA PF-ASAR processor.

Download the ERS products specification with Envisat format

blue arrow DATA TOOLS

Tools available for visualising, processing and analysing ERS-1 data:

Sentinel-1 Toolbox

The Sentinel-1 Toolbox (S1TBX) consists of a collection of processing tools, data product readers and writers and a display and analysis application to support the large archive of data from ESA SAR missions including Sentinel-1, ERS-1 & 2 and Envisat.


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Sentinel Application Platform

The Sentinel Application Platform (SNAP) is a common architecture for all Sentinel Toolboxes. It is ideal for Earth Observation processing and analysis due to technological innovations.




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blue arrow Auxiliary Data

Auxiliary data from ground or airborne sources is sometimes used to help produce data products. Auxiliary data files for ERS-1 SAR data products are available to download.

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blue arrow Cal/Val

The goal of SAR calibration and validation activities was to verify the accuracy and quality of data the instrument acquired. Details are available of the ERS-1 SAR Cal/Val plan and of Calibration Activities.