SGP/MFRSR/E5 - 673nm filter data erratic

The 673 nm filter was erratic on both the Diffuse and Direct Normal data. When corrective 
action was attempted, the instrument was damaged.

Do not use 673 nm data.

• rejected points for the final fit for the Direct Narrowband Filter4, Michalsky(michalsky_rejected_filter4)
• log(irradiance) for the Direct Narrowband Filter4, Michalsky(michalsky_lnI_filter4)
• log(irradiance) for the Direct Narrowband Filter4(barnard_lnI_filter4)
• rejected points for the final fit for the Direct Narrowband Filter4, Barnard(barnard_rejected_filter4)

• Narrowband hemispheric irradiance, filter 4, offset and cosine corrected(hemisp_narrowband_filter4)
• Direct normal narrowband irradiance, filter 4, offset corrected(direct_normal_narrowband_filter4)
• Narrowband Direct Horizontal Irradiance, Filter 4, cosine corrected(direct_horizontal_narrowband_filter4)
• Diffuse Narrowband Hemispheric Irradiance, Filter 4(diffuse_hemisp_narrowband_filter4)

• Diffuse narrowband hemispheric irradiance, filter 4(diffuse_hemisp_narrowband_filter4_raw)
• Narrowband Direct Horizontal Irradiance, Filter 4, cosine corrected(direct_horizontal_narrowband_filter4)
• Narrowband hemispheric irradiance, filter 4(hemisp_narrowband_filter4_raw)
• Narrowband hemispheric irradiance, filter 4, offset and cosine corrected(hemisp_narrowband_filter4)
• Diffuse Narrowband Hemispheric Irradiance, Filter 4(diffuse_hemisp_narrowband_filter4)

• optical depth for the Direct Narrowband Filter4(barnard_optical_depth_filter4)
• percentage of initial points used in final linear fit for the Direct Narrowband
  Filter4(barnard_good_fraction_filter4)
• Langley regression Io, Michalsky, Direct Narrowband Filter4(michalsky_solar_constant_filter4)
• error in final linear fit for the Direct Narrowband Filter4(barnard_error_fit_filter4)
• number of points used in final linear fit for the Direct Narrowband Filter4(michalsky_number_points_filter4)
• Langley regression Io, adjusted to 1AU, Barnard, Direct Narrowband Filter4(barnard_solar_constant_sdist_filter4)
• error in optical depth (slope) of final linear fit for the Direct Narrowband
  Filter4(barnard_error_slope_filter4)
• rejection flag for Direct Narrowband Filter4(michalsky_badflag_filter4)
• optical depth for the Direct Narrowband Filter4(michalsky_optical_depth_filter4)
• number of points used in final linear fit for the Direct Narrowband Filter4(barnard_number_points_filter4)
• percentage of initial points used in final linear fit for the Direct Narrowband
  Filter4(michalsky_good_fraction_filter4)
• solar constant corrected for solar distance for the Direct Narrowband Filter4(michalsky_solar_constant_sdist_filter4)
• rejection flag for Direct Narrowband Filter4(barnard_badflag_filter4)
• standard deviation around regression line for the Direct Narrowband Filter4(michalsky_standard_deviation_filter4)