Instrument exchanges on 8 March (global) and 15 March 2024 (diffuse and downward longwave irradiance):Global irradiance: CMP22 s/n 070036 replaced by CMP22 s/n 200739Diffuse irradiance: CMP22 s/n 130475 replaced by CMP22 s/n 070038Downward longwave irradiance: CG4 s/n 040736 replaced by CG4R s/n 070072--Corrections of WRMC numbers that were already assigned:Pyranometer s/n 070036 from 53002 to 53009Pyrheliometer s/n 010260 from 53003 to 53011Use of alternative pyranometer (Kipp & Zn CM22 s/n 010038) for global irradiance on 11 March 2024 because of contaminated dome.