ENVISAT CALIBRATION/VALIDATION ACTIVITY

- VALBAL: Validation with small balloons (AO 701)

- Long duration balloons in the tropics (AO 713)

- VETO: Validation of Envisat Temperature and Ozone profiles using NDSC graound profilers (AO )

- POAM: Validation with POAM O3, NO2, H2O and aerosol profiles at high latitude (AO 360)

- CINAMON (AO)

- CALVAL: (on Nadir/NILU)