https://atmos.meteo.uni-koeln.de/ag_crewell/ 2026-04-13T06:13:53+00:00 https://atmos.meteo.uni-koeln.de/ag_crewell/ https://atmos.meteo.uni-koeln.de/ag_crewell/lib/exe/fetch.php?media=wiki:logo.png text/html 2021-01-22T21:17:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://atmos.meteo.uni-koeln.de/ag_crewell/doku.php?id=instruments:atprop:atprop&rev=1611350234&do=diff Atmospheric Propagation Profiler (ATPROP) Principle The Atmospheric Propagation Profiler (ATPROP) has been developed for European Space Agency ESA. In order to quantify atmospheric perturbations on satellite signals this new ground based ultra stable microwave radiometer is developed. In addition to several K- and V-Band channels two further Ku - and W – band channels are implemented. This frequency combination provides sensitivity towards atmospheric water vapour and oxygen, as well as to rai…