The MCS atmospheric profiler detects vertical variations of
temperature, dust, and water vapor concentrations in the Martian
atmosphere. DDRs in the form of Level 2 data products (retrieved
geophysical profiles) are generated from the RDRs
Citation
McCleese and Schofield, MRO MARS CLIMATE SOUNDER LEVEL 4 RDR
V1.0, NASA Planetary Data System, MRO-M-MCS-4-RDR-V1.0, 2006.