blue arrow Instrument Overview

Phased Array L-band Synthetic Aperture Radar (PALSAR) was a successor sensor to the synthetic aperture radar on-board JERS-1 with more advanced functions such as higher spatial resolution capability, variable off-nadir angles and additional modes such as full-polarimetry mode and ScanSAR mode.

blue arrow Data

blue arrow DATA DOWNLOAD

You can directly download ALOS PALSAR data from a number of online dissemination systems. All data is freely available to registered EO-SSO users.

Download ALOS PALSAR products generated on-the-fly through the ESA ALOS PALSAR Online Dissemination Service:

Download data from the Third Party Missions through the ESA TPM Online Dissemination system:

  • TPM LOADS - offers access to ALOS IPY and Tropforest collections


Through the Online Dissemination server, ESA offers registered users access to the following data collections:

Product descriptions:


To find out more, visit PALSAR products information

blue arrow Cal/Val

The goal of calibration and validation activities is to verify the accuracy and quality of data the instrument acquired.

blue arrow Quality Control Reports

A small percentage of ALOS PALSAR products processed by the current installed ESA IPF are affected by a known quality issue; IPF failures due to PRF changes.