Internationaler Pyrheliometer Comparison Davos, IPC IX, 25 September - 13 October 2000, Results and Symposium

The Ninth internationai Pyrheüometer Comparison (iPC-iX) was held, for the first time together with Regional Pyrheliometer Comparisons (RPCs) of ail WMO Regional Associations (RA i to RA iV), from 25 September to 13 October 2000 at the Physikalisch-Meteoroiogisches Observatorium Davos/World Radiation Center (PMOD/WRC) in Davos/Switzeriand. This combination slightly extended the practice already introduced at previous iPCs and was considered highiy effective in coping best with the urgent needs for earrying out RPCs of most Regions and most efficiently using the iimited financiai resources avaiiabie in WMO for supporting these events. This led to the largest number of experts' and instruments' participation compared with ail previous iPCs.