The information about ENVISAT that can be found in the IDS Central Bureau  ftp sites (ftp://ftp.cls.fr/pub/ids/satellites/)
are the following:
- a macromodel and the DORIS/LASER instruments characteristics  (see en1mod.txt),
- the nominal attitude model  (see en1att.txt),
- a calendar of arcs/cycles with maneuver types and epochs (see en1calend.rtf),
- a maneuver history (see en1man.txt which file is updated by SSALTO or http://nng.esoc.esa.de/envisat/calmanhist.env).