Measured spectrum of HNO3 and ozone from March 20. In contrast to ozone the HNO3 lines are indiscernible due to pressure broadening and overlap.
 Retrieved HNO3 profile. The volume mixing ratio reaches its maximum at lower altitudes in comparison to the standard profile (first guess) |
 Ozone profile retrieved from the same measurement (for more information about the joint retrieval see Kuntz et al.). |
