DQRID : D050818.1
Start DateStart TimeEnd DateEnd Time
09/21/2005180003/18/20062359
more
Subject:
SGP/MFRSR/E3 - Bad and missing data
DataStreams:sgpmfrsrlangleyE3.c1, sgpmfrsrE3.a0, sgpmfrsrE3.00, sgpmfrsrE3.b1, sgpmfrsrlangplotE3.c1
Description:
The logger board was replaced late in the day on 20050921 and there were immediate 
problems.  Channel 615nm is too high and 500nm is not functioning.  At times in successive days 
500nm will appear for a bit in the morning and look OK, but then flat lines.  This is 
typical behavior for channel 500nm through 20060307.  Ch 615nm remains high through 20060307 
as well.

On 20051007 channel 940nm drops out.  From this day through 20060307 there are many days 
and times when 940nm is flat.  When it is functioning it looks OK.

As far as the other channels go, they generally look OK, but when considering the problems 
with 500nm, 615nm and 940nm, the mentor recommends a careful examination before any data 
are used.

On 20060308 maintenance corrected the above problems with one minor exception.  Between 
20060309 and 20060318 channel 940nm was still suffering from drop outs and flat lining.  
From 20060319 on all channels look OK.
Suggestions: 
null
Measurements:sgpmfrsrlangleyE3.c1:
  • percentage of initial points used in final linear fit for the Direct Narrowband
    Filter2(barnard_good_fraction_filter2)
  • number of points used in final linear fit for the Direct Narrowband Filter6(michalsky_number_points_filter6)
  • percentage of initial points used in final linear fit for the Direct Narrowband
    Filter3(barnard_good_fraction_filter3)
  • number of points used in final linear fit for the Direct Narrowband Filter3(michalsky_number_points_filter3)
  • percentage of initial points used in final linear fit for the Direct Narrowband
    Filter6(barnard_good_fraction_filter6)
  • number of points used in final linear fit for the Direct Narrowband Filter2(michalsky_number_points_filter2)
  • rejection flag for Direct Narrowband Filter6(michalsky_badflag_filter6)
  • rejection flag for Direct Narrowband Filter6(barnard_badflag_filter6)
  • solar constant corrected for solar distance for the Direct Narrowband Filter6(barnard_solar_constant_sdist_filter6)
  • rejection flag for Direct Narrowband Filter2(barnard_badflag_filter2)
  • rejection flag for Direct Narrowband Filter3(barnard_badflag_filter3)
  • solar constant corrected for solar distance for the Direct Narrowband Filter3(barnard_solar_constant_sdist_filter3)
  • solar constant corrected for solar distance for the Direct Narrowband Filter2(barnard_solar_constant_sdist_filter2)
  • error in final linear fit for the Direct Narrowband Filter6(barnard_error_fit_filter6)
  • error in final linear fit for the Direct Narrowband Filter3(barnard_error_fit_filter3)
  • error in optical depth (slope) of final linear fit for the Direct Narrowband
    Filter6(barnard_error_slope_filter6)
  • error in final linear fit for the Direct Narrowband Filter2(barnard_error_fit_filter2)
  • error in optical depth (slope) of final linear fit for the Direct Narrowband
    Filter3(barnard_error_slope_filter3)
  • error in optical depth (slope) of final linear fit for the Direct Narrowband
    Filter2(barnard_error_slope_filter2)
  • number of points used in final linear fit for the Direct Narrowband Filter3(barnard_number_points_filter3)
  • percentage of initial points used in final linear fit for the Direct Narrowband
    Filter3(michalsky_good_fraction_filter3)
  • number of points used in final linear fit for the Direct Narrowband Filter2(barnard_number_points_filter2)
  • percentage of initial points used in final linear fit for the Direct Narrowband
    Filter2(michalsky_good_fraction_filter2)
  • number of points used in final linear fit for the Direct Narrowband Filter6(barnard_number_points_filter6)
  • percentage of initial points used in final linear fit for the Direct Narrowband
    Filter6(michalsky_good_fraction_filter6)
  • optical depth for the Direct Narrowband Filter2(barnard_optical_depth_filter2)
  • optical depth for the Direct Narrowband Filter3(barnard_optical_depth_filter3)
  • optical depth for the Direct Narrowband Filter2(michalsky_optical_depth_filter2)
  • optical depth for the Direct Narrowband Filter3(michalsky_optical_depth_filter3)
  • optical depth for the Direct Narrowband Filter6(michalsky_optical_depth_filter6)
  • optical depth for the Direct Narrowband Filter6(barnard_optical_depth_filter6)
  • rejection flag for Direct Narrowband Filter2(michalsky_badflag_filter2)
  • rejection flag for Direct Narrowband Filter3(michalsky_badflag_filter3)
  • solar constant corrected for solar distance for the Direct Narrowband Filter6(michalsky_solar_constant_sdist_filter6)
  • Langley regression Io, Michalsky, Direct Narrowband Filter2(michalsky_solar_constant_filter2)
  • standard deviation around regression line for the Direct Narrowband Filter6(michalsky_standard_deviation_filter6)
  • solar constant corrected for solar distance for the Direct Narrowband Filter3(michalsky_solar_constant_sdist_filter3)
  • solar constant for the Direct Narrowband Filter6(michalsky_solar_constant_filter6)
  • standard deviation around regression line for the Direct Narrowband Filter3(michalsky_standard_deviation_filter3)
  • solar constant corrected for solar distance for the Direct Narrowband Filter2(michalsky_solar_constant_sdist_filter2)
  • standard deviation around regression line for the Direct Narrowband Filter2(michalsky_standard_deviation_filter2)
  • solar constant for the Direct Narrowband Filter3(michalsky_solar_constant_filter3)
more
sgpmfrsrlangplotE3.c1:
  • log(irradiance) for the Direct Narrowband Filter2, Michalsky(michalsky_lnI_filter2)
  • rejected points for the final fit for the Direct Narrowband Filter2(barnard_rejected_filter2)
  • rejected points for the final fit for the Direct Narrowband Filter3, Barnard(barnard_rejected_filter3)
  • rejected points for the final fit for the Direct Narrowband Filter2(michalsky_rejected_filter2)
  • rejected points for the final fit for the Direct Narrowband Filter3, Michalsky(michalsky_rejected_filter3)
  • rejected points for the final fit for the Direct Narrowband Filter6(barnard_rejected_filter6)
  • log(irradiance) for the Direct Narrowband Filter6, Michalsky(michalsky_lnI_filter6)
  • log(irradiance) for the Direct Narrowband Filter3, Michalsky(michalsky_lnI_filter3)
  • rejected points for the final fit for the Direct Narrowband Filter6, Michalsky(michalsky_rejected_filter6)
  • log(irradiance) for the Direct Narrowband Filter2, Barnard(barnard_lnI_filter2)
  • log(irradiance) for the Direct Narrowband Filter3, Barnard(barnard_lnI_filter3)
  • log(irradiance) for the Direct Narrowband Filter6(barnard_lnI_filter6)
more
sgpmfrsrE3.00:
  • (Raw data stream - documentation not supported)
more
sgpmfrsrE3.a0:
  • Narrowband hemispheric irradiance, filter 2(hemisp_narrowband_filter2_raw)
  • Diffuse narrowband hemispheric irradiance, filter 3(diffuse_hemisp_narrowband_filter3_raw)
  • Diffuse narrowband hemispheric irradiance, filter 6(diffuse_hemisp_narrowband_filter6_raw)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 6, offset corrected(diffuse_hemisp_narrowband_filter6)
  • Narrowband Hemispheric Irradiance, Filter 6(hemisp_narrowband_filter6_raw)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 2, offset corrected(diffuse_hemisp_narrowband_filter2)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 3(diffuse_hemisp_narrowband_filter3)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 2(diffuse_hemisp_narrowband_filter2_raw)
  • Narrowband hemispheric irradiance, filter 3, offset and cosine corrected(hemisp_narrowband_filter3)
  • Direct Horizontal Narrowband Irradiance, Filter 3(direct_horizontal_narrowband_filter3)
  • Narrowband Direct Horizontal Irradiance, Filter 2, cosine corrected(direct_horizontal_narrowband_filter2)
  • 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)
  • Narrowband Hemispheric Irradiance, Filter 2(hemisp_narrowband_filter2)
  • Narrowband Hemispheric Irradiance, Filter 3(hemisp_narrowband_filter3_raw)
more
sgpmfrsrE3.b1:
  • Narrowband hemispheric irradiance, filter 6, nominal wavelength is 935 nm(hemisp_narrowband_filter6)
  • Narrowband hemispheric irradiance, filter 3, offset and cosine corrected(hemisp_narrowband_filter3)
  • Narrowband Hemispheric Irradiance, Filter 2(hemisp_narrowband_filter2)
  • Narrowband Direct Horizontal Irradiance, Filter 6, cosine corrected(direct_horizontal_narrowband_filter6)
  • Direct Horizontal Narrowband Irradiance, Filter 3(direct_horizontal_narrowband_filter3)
  • Narrowband Direct Horizontal Irradiance, Filter 2, cosine corrected(direct_horizontal_narrowband_filter2)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 2, offset corrected(diffuse_hemisp_narrowband_filter2)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 3(diffuse_hemisp_narrowband_filter3)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 6, offset corrected(diffuse_hemisp_narrowband_filter6)
  • Direct normal narrowband irradiance, filter 6, offset corrected(direct_normal_narrowband_filter6)
  • Narrowband Direct Normal Irradiance, Filter 3, cosine corrected(direct_normal_narrowband_filter3)
  • Direct normal narrowband irradiance, filter 2, offset corrected(direct_normal_narrowband_filter2)
more

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