The following routing measurements are performed in the observation program.

Observation program
InstrumentOperationalParametersSchedule
Brewer MKIII1999 - now

col.O3, UV
Umkehr

continuous
dawn, dusk
Balloon sonde1999 - nowprofiles O3, T, RH, windweekly
MAX-DOAS2002 - 2015NO2, BrO, O3, OClOcontinuous
Surface O3 monitor2002 - nowO3 sampled at 5mcontinuous
Total Sky Imager (TSI)2002 - 2006Wide angle picture of sky cloudinesscontinuous
Solar Radiation station2002 - nowglobal, direct and diffuse rad (300-3000nm)continuous
Sunphotometer2002 - 2006Aerosol opt. depth Angstrom exp. (6 wavelenghts)continuous
Snow white soudings2002 - 2006Water vaporirregular, monthly