DQRID : D051031.7
Start DateStart TimeEnd DateEnd Time
08/05/2005120001/10/20062359
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Subject:
SGP/MFRSR/E1 - Intermittent 940nm channel
DataStreams:sgpmfrsrE1.a0, sgpmfrsrlangleyE1.c1, sgpmfrsrE1.b1, sgpmfrsrlangplotE1.c1
Description:
The 940 nm channel is occasionally flatlining with respect to the other channels.  There 
was a problem with the cable that was causing channel 940 to drop out, or appear noisy, 
throughout this period.  Maintenance on 1/10/2006 resolved the problem.  None of the other 
channels were affected.
Suggestions: 
Measurements:sgpmfrsrlangleyE1.c1:
  • number of points used in final linear fit for the Direct Narrowband Filter6(michalsky_number_points_filter6)
  • error in final linear fit for the Direct Narrowband Filter6(barnard_error_fit_filter6)
  • error in optical depth (slope) of final linear fit for the Direct Narrowband
    Filter6(barnard_error_slope_filter6)
  • percentage of initial points used in final linear fit for the Direct Narrowband
    Filter6(barnard_good_fraction_filter6)
  • solar constant corrected for solar distance for the Direct Narrowband Filter6(barnard_solar_constant_sdist_filter6)
  • optical depth for the Direct Narrowband Filter6(michalsky_optical_depth_filter6)
  • optical depth for the Direct Narrowband Filter6(barnard_optical_depth_filter6)
  • solar constant for the Direct Narrowband Filter6(michalsky_solar_constant_filter6)
  • solar constant corrected for solar distance for the Direct Narrowband Filter6(michalsky_solar_constant_sdist_filter6)
  • percentage of initial points used in final linear fit for the Direct Narrowband
    Filter6(michalsky_good_fraction_filter6)
  • number of points used in final linear fit for the Direct Narrowband Filter6(barnard_number_points_filter6)
  • rejection flag for Direct Narrowband Filter6(barnard_badflag_filter6)
  • rejection flag for Direct Narrowband Filter6(michalsky_badflag_filter6)
  • standard deviation around regression line for the Direct Narrowband Filter6(michalsky_standard_deviation_filter6)
more
sgpmfrsrlangplotE1.c1:
  • log(irradiance) for the Direct Narrowband Filter6, Michalsky(michalsky_lnI_filter6)
  • rejected points for the final fit for the Direct Narrowband Filter6, Michalsky(michalsky_rejected_filter6)
  • log(irradiance) for the Direct Narrowband Filter6(barnard_lnI_filter6)
  • rejected points for the final fit for the Direct Narrowband Filter6(barnard_rejected_filter6)
more
sgpmfrsrE1.b1:
  • Direct normal narrowband irradiance, filter 6, offset corrected(direct_normal_narrowband_filter6)
  • Narrowband hemispheric irradiance, filter 6, nominal wavelength is 935 nm(hemisp_narrowband_filter6)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 6, offset corrected(diffuse_hemisp_narrowband_filter6)
  • Narrowband Direct Horizontal Irradiance, Filter 6, cosine corrected(direct_horizontal_narrowband_filter6)
more
sgpmfrsrE1.a0:
  • Narrowband hemispheric irradiance, filter 6, nominal wavelength is 935 nm(hemisp_narrowband_filter6)
  • Narrowband Direct Horizontal Irradiance, Filter 6, cosine corrected(direct_horizontal_narrowband_filter6)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 6, offset corrected(diffuse_hemisp_narrowband_filter6)
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