DQRID : D030819.1
Start DateStart TimeEnd DateEnd Time
07/30/2003000009/09/20032359
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Subject:
SGP/MFRSR/E4 - Intermittent Data Logger Failure
DataStreams:sgpmfrsrE4.b1
Description:
Intermittently the data logger for this instrument has suffered failures resulting in loss 
of data for a hour or more at a time as well as saturation of the signal resulting in 
erroneous spikes in the data. The remainder of the data is believed to be okay.
Suggestions: 
Filter out spikes.
Measurements:sgpmfrsrE4.b1:
  • Direct normal narrowband irradiance, filter 2, offset corrected(direct_normal_narrowband_filter2)
  • Narrowband Direct Normal Irradiance, Filter 1(direct_normal_narrowband_filter1)
  • Direct normal narrowband irradiance, filter 6, offset corrected(direct_normal_narrowband_filter6)
  • Narrowband Direct Normal Irradiance, Filter 5(direct_normal_narrowband_filter5)
  • Direct normal narrowband irradiance, filter 4, offset corrected(direct_normal_narrowband_filter4)
  • Narrowband Direct Normal Irradiance, Filter 3, cosine corrected(direct_normal_narrowband_filter3)
  • Hemispheric broadband irradiance(hemisp_broadband)
  • Narrowband Direct Horizontal Irradiance, Filter 6, cosine corrected(direct_horizontal_narrowband_filter6)
  • Narrowband Direct Horizontal Irradiance, Filter 5, cosine corrected(direct_horizontal_narrowband_filter5)
  • Narrowband Direct Horizontal Irradiance, Filter 4, cosine corrected(direct_horizontal_narrowband_filter4)
  • Direct Horizontal Narrowband Irradiance, Filter 3(direct_horizontal_narrowband_filter3)
  • Narrowband Direct Horizontal Irradiance, Filter 2, cosine corrected(direct_horizontal_narrowband_filter2)
  • Direct horizontal narrowband irradiance, filter 1(direct_horizontal_narrowband_filter1)
  • Cosine solar zenith angle(cosine_solar_zenith_angle)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 6, offset corrected(diffuse_hemisp_narrowband_filter6)
  • Narrowband diffuse hemispheric irradiance, filter 5, offset and cosine corrected(diffuse_hemisp_narrowband_filter5)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 4(diffuse_hemisp_narrowband_filter4)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 3(diffuse_hemisp_narrowband_filter3)
  • Direct Normal Broadband Irradiance, cosine corrected, broadband scale applied(direct_normal_broadband)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 2, offset corrected(diffuse_hemisp_narrowband_filter2)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 1, offset corrected(diffuse_hemisp_narrowband_filter1)
  • Diffuse Hemispheric Broadband Irradiance, offset corrected(diffuse_hemisp_broadband)
  • Narrowband hemispheric irradiance, filter 3, offset and cosine corrected(hemisp_narrowband_filter3)
  • Narrowband Hemispheric Irradiance, Filter 2(hemisp_narrowband_filter2)
  • Narrowband Hemispheric Irradiance, Filter 1, offset corrected(hemisp_narrowband_filter1)
  • Detector temperature(head_temp)
  • Narrowband hemispheric irradiance, filter 6, nominal wavelength is 935 nm(hemisp_narrowband_filter6)
  • Narrowband Hemispheric Irradiance, Filter 5, offset corrected(hemisp_narrowband_filter5)
  • Narrowband hemispheric irradiance, filter 4, offset and cosine corrected(hemisp_narrowband_filter4)
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