https://atmos.meteo.uni-koeln.de/ag_crewell/ 2026-04-12T23:26:43+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:tophat:quicklooks_rhubc2&rev=1611350234&do=diff HATPRO-TOPHAT Quicklooks during RHUBC-II Year level 0a level 1a 2009 aug aug 2009 sep sep 2009 oct oct 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:tophat:tophat&rev=1611350234&do=diff HATPRO-TOPHAT Mentor: C. Acquistapace Principle TOPHAT is a HATPRO passive microwave radiometer installed at the Forschungszentrum Jülich as part of JOYCE. It measures brightness temperatures at 7 channels along the slope of the water vapor absorption line at 22 GHz and at 7 channels along the slope of the oxygen absorption complex at 60