Transforming raw altimetry data into an easily usable form involves a great deal of data processing.

Numerous elements are included in altimetry data. Some come from the altimeter, some from the other onboard instruments, or other instruments; others from models, or a combination of all the former. Classic altimetry data processing (i.e. mostly dedicated to ocean applications), as performed by the ground segments includes:

Further information

Envisat RA-2/MWR Level 2 User Manual (pdf zipped version, 3 MB), Edition 1.2, June 2006
Aviso and PoDaac User Handbook – IGDR and GDR Jason-1 Products, (pdf version, 1.7 MB), SMM-MU-M5-OP-13184-CN, Edition 5.0, September 2015
Aviso User Handbook: Merged Topex/Poseidon Products, (pdf version, 900 KB), AVI-NT-02-101-CN, Edition 3.0, July 1996
RA/ATSR products – User Manual, (pdf, 2.9 MB), C2-MUT-A-01-IF, Edition 2.3, July 2001
– OSTM/Jason-2 Product Handbook (13th January 2017 Issue 1 rev 11)
– CryoSat product Handbook (pdf)
– Sentinel 3 user handbook  (html)