Information about the various ERS piloting modes after the loss of the gyros and their impact on the data quality can be found in the online document: “Review of the impact of ERS-2 piloting modes on the SAR Doppler stability"

For Envisat ASAR products please refer to the ASAR products disclaimer page.

Please also refer to the ERS SAR product disclaimer page.

For ALOS PALSAR products please refer to the ALOS PALSAR product disclaimer page.