Hughs Radiometer Data Format Input general information %d %02d%02d%02d%02d%02d%02d %d %f %f %f %f %f %d %d %f %f %f %f\n, program_mode, year, mon, day, hour, min, sec, NUM_OF_FREQS, n_samples, elevation, azimuth, t_room, moisture_detect, flat_heater, latitude,longitude, pitch, roll Input radiometer channel information. for (j = 0; j < NUM_OF_FREQS; j++) { %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f\n, vt_hot[j], vt_ref[j], vt_sky[j], t_hot[j], t_ref[j], t_wg[j], t_box[j], t_diff[j], vt_diff[j], vt_dat[j], gain[j], fgain[j], rb[j], cf[j], xl[j], xb[j], tb[j], t_if[j] } Note: First line is 20.6 GHz, Second line is 31.65 GHz, Third line is 90.0 GHz Third line may or may not be present depending on system options. Input surface and environmental tempertures. %f %f %f %f %f %f %f %f %f\n, rel_humidity, temperature, pressure, pyro, irradiance, pergy, pergy_irr, t_junction, t_dome Input the infrared radiometer information. %f %f %f %f %f %f\n, t_ir, cbt, ir_cf[0], ir_cf[1], ir_cf[2], ir_cf[3] program_mode 00 Vertical pointing 10 Tip Curve Calibration year Present year mon Present month of year(1 - 12) day Present day of month hour Present hour of day (0-23) min Present minute of hour (0-59) sec Present second of minute (0-59) NUM_OF_FREQS Number of radiometer channels n_samples Number of data samples in this average elevation elevation angle of antenna azimuth azimuth angle of antenna t_room Temperature of the room moisture_detect moisture at the surface yes = 1 no = 0 flat_heater flat heater on = 1 off = 0 latitude latitude in degrees longitude longitude in degrees pitch Average pitch of radiometer during sample roll Average roll of radiometer during sample Note there will be one of these next inputs for each radiometer channel. vt_hot[j] Detector voltage for hot load vt_ref[j] Detector voltage for reference load vt_sky[j] Detector Voltage for antenna t_hot[j] Hot load temperature (K) t_ref[j] Reference load temperature (K) t_wg[j] Wave guide temperature (K) t_box[j] Instrument inside temperature (C) t_diff[j] t_hot[j] - t_ref[j] vt_diff[j] vt_hot[j] - vt_ref[j] vt_dat[j] vt_sky[j] - vt_ref[j] gain[j] t_diff[j] / vt_diff[j] fgain[j] Filtered gain[j] rb[j] Fgain[j] x vt_dat[j] cf[j] Calibration Coefficient xl[j] Calibration Coefficient xb[j] Offset Coefficient tb[j] Brightness Temperature (K) t_if[j] Mixer/If Temperature (C) rel_humidity surface Relative Humidity (0-100 %) temperature surface temperature (C) pressure Barometric Pressure (mb) pyro Pyrometer output voltage irradiance Pyrometer irradiance pergy Pergyometer output voltage pergy_irr Pergyometer irradiance t_junction Pergyometer junction temperature t_dome Pergyometer dome temperature t_ir Infrared radiometer output voltage cbt Cloud base temperature (C) ir_cf[0] Infrared calibration coefficient ir_cf[1] Infrared calibration coefficient ir_cf[2] Infrared calibration coefficient ir_cf[3] Infrared calibration coefficient