6th African Dobson Ozone Spectrophotometer Intercomparison Campaign joining the 20th Regional Brewer Calibration Centre for Europe Campaign

The XX Regional Brewer Calibration Centre for Europe (RBCC-E) intercomparison will be held at El Arenosillo Atmospheric Sounding Station of the “Instituto Nacional de Técnica Aeroespacial” (INTA) during the period 16 – 28 of June 2025. This a joint exercise with the Regional Dobson Calibration Center – Europe which organizes the 6th Southern Africa Dobson Spectrophotometer intercomparison. In addition to Brewer-Dobson instruments this campaign is open to all instruments which can provide total column ozone measurements. This campaign is organized by the RBCC-E, managed by the State Meteorological Agency of Spain (AEMET), and the “Atmospheric Research and Instrumentation Branch” of INTA, with the support of the Global Atmospheric Watch (GAW) program of the World Meteorological Organization (WMO) and the Vienna Convention Trust Fund.