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Flight- & Ground-Time Correlation

The correlation between the satellite time (SBT) and the corresponding UTC time on the earth is particularly useful when reading Altimeter and SAR data Products. PATM files correspond to the predicted time correlation files. PATN files correspond to the precise time correlation files. ERS-2 and ERS-1 satellites PATN correlation data are given in two separate directories. The ERS-2 files are updated every 30 days. The ERS-1 files have been updated every fortnight until March 1998 and are kept static since then.

Access is restricted to ERS data utilisation and can only be provided to ESA Category-1 projects.
Username and password can be obtained by contacting the Earth Observation Help Desk Team.