There is one file per hour, every file has the following content: * The first 6 columns are: Year Month Day Hour Minute and Second. * Columns 7 and 8th are useless (always zero). * Columns 9 to 14th are Brightness temperature at 10 GHz horizontal, 10 GHz vertical, 21 GHz horizontal, 21 GHz vertical, 36 GHz horizontal and 36 GHz vertical. * column 15 is the elevation angle. * and column 16 is the radiometer's azimuth angle (the radiometer azimuth of 263 deg correspond to 320 deg of GPS azimuth).