Up to now the Sentinel-1 files were only available on http://qc.sentinel1.eo.esa.int .
The Sentinel-1 auxiliary files are now also available to users on ftp://aux.sentinel1.eo.esa.int. The access is open to all users available both via FTP and HTTP (use of FTP is recommended, most specifically if mirroring needs to be put in place).
This access point contains the following information: Orbit ephemerides and Processing auxilliary files
Orbit ephemerides
- S- 1 orbit ephemerides in the form of Precise Orbit Auxiliary Files ( S1A_OPER_AUX_POEORB, S1B_OPER_AUX_POEORB). These files are available 20 days after the data acquisition. The access point contains the complete history of the Precise Orbit Auxiliary Files.
- S-1 orbit ephemerides in the form of Restituted Orbit Auxiliary Files ( S1A_OPER_AUX_RESORB, S1B_OPER_AUX_RESORB). These files are available few hours after the data acquisition. The access point contains the complete history of the Restitutes Orbit Auxiliary Files.
- S-1 orbit ephemerides in the form of Predicted Orbit Auxiliary Files ( S1A_OPER_MPL_ORBPRE, S1B_OPER_MPL_ORBPRE). These files are available seven days before the data acquisition. The access point contains the complete history of the Predicted Orbit Auxiliary Files.
Processing auxiliary files
Processing auxiliary files in the form of AUX_CAL, AUX_PP1, AUX_PP2, AUX_INS, AUX_SCS
A new version of these files is available whenever it is deeded necessary for ensuring the product quality and calibration accuracy. The access point contains the complete history of these files. The set of files applicable to the data currently acquired is available under the "/Latest " directory.
Refer to news on sentinel online here: https://sentinel.esa.int/web/sentinel/news/-/asset_publisher/xR9e/content/s1-new-auxiliary-files-availability
–
Guillaume Hajduch
Service Manager of the Sentinel-1 Mission Performance Center