Raw data (horizontal and Vertical polarization voltages) of the mobile L-band radiometer, called ARIEL from BALAMIS Company. This raw data can be converted to Brightness Temperature, which can be used to measure ice thickness during the MOSAiC expedition legs PS122/4 and PS122/5.The files contains the horizontal and Vertical polarization voltages measured with the ARIEL radiometer during July and August 2020. The label of each columns are:1 - On-board computer time stamp [hhmmss]2 - Internal hot load [Volts]3 - Antenna polarization 1 [Volts] (V-pol)4 - Antenna polarization 2 [Volts] (H-pol)5 - Internal cold load [Volts]6 - Internal temperature [Celsius]7 - Heater for temperature stabilization power [%]8 - IR photodiode reading [Celsius]9 - GPS time stamps [hhmmss]10 - GPS latitude11 - GPS longitude12 - GPS altitude13 - GPS connected flag14 - Ethernet cable connected flag