SGP/MFRSR/E39 - Sensor problem: ch415

There was a connector/cable problem at this site that caused channel 415 to drop out 
completely.

• Second side band measurement, filter 1(ssb_filter1)
• Narrowband hemispheric measurement, filter 1(th_filter1)
• First side band measurement, filter 1(fsb_filter1)
• Sun-blocked measurement, filter 1(blk_filter1)

• log(irradiance) for the Direct Narrowband Filter1, Barnard(barnard_lnI_filter1)
• log(irradiance) for the Direct Narrowband Filter1(michalsky_lnI_filter1)

• log(irradiance) for the Direct Narrowband Filter1, Barnard(barnard_lnI_filter1)
• log(irradiance) for the Direct Narrowband Filter1(michalsky_lnI_filter1)

• Narrowband Hemispheric Irradiance, Filter 1, offset corrected(hemisp_narrowband_filter1)
• Diffuse Narrowband Hemispheric Irradiance, Filter 1, offset corrected(diffuse_hemisp_narrowband_filter1)
• Narrowband hemispheric irradiance, filter 1(hemisp_narrowband_filter1_raw)
• Alltime narrowband hemispheric irradiance, filter 1(alltime_hemisp_narrowband_filter1)
• Direct horizontal narrowband irradiance, filter 1(direct_horizontal_narrowband_filter1)
• Diffuse narrowband hemispheric irradiance, filter 1(diffuse_hemisp_narrowband_filter1_raw)

• Narrowband Hemispheric Irradiance, Filter 1, offset corrected(hemisp_narrowband_filter1)
• Alltime narrowband hemispheric irradiance, filter 1(alltime_hemisp_narrowband_filter1)
• Narrowband Direct Normal Irradiance, Filter 1(direct_normal_narrowband_filter1)
• Ratio of direct_normal_filter1 to diffuse_hemisp_filter1(direct_diffuse_ratio_filter1)
• Diffuse Narrowband Hemispheric Irradiance, Filter 1, offset corrected(diffuse_hemisp_narrowband_filter1)
• Direct horizontal narrowband irradiance, filter 1(direct_horizontal_narrowband_filter1)

• optical depth for the Direct Narrowband Filter1(barnard_optical_depth_filter1)
• optical depth for the Direct Narrowband Filter1(michalsky_optical_depth_filter1)