DQRID : D011108.5
Start DateStart TimeEnd DateEnd Time
06/12/2001220510/18/20011420
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Subject:
SGP/MFRSR/E18 - Possible date/time corruption
DataStreams:sgpmfrsrE18.a0, sgpmfrsrE18.b1
Description:
Incorrect capacitors in the loggerboard during this time resulted in corruption of the raw 
data.  Date and time information as well as logger and head ID were incorrectly reported 
for some records.
      
Users of these data should be alert for unexplained discontinuities in the .a0 and .b1 
level data set.  Carefully examine each days data and only use those data which do not 
exhibit discontinuities in the time series records.
Suggestions: 
Measurements:sgpmfrsrE18.a0:
  • Narrowband hemispheric irradiance, filter 4, offset and cosine corrected(hemisp_narrowband_filter4)
  • 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)
  • Narrowband hemispheric irradiance, filter 6, nominal wavelength is 935 nm(hemisp_narrowband_filter6)
  • Narrowband Hemispheric Irradiance, Filter 5, offset corrected(hemisp_narrowband_filter5)
  • Hemispheric broadband irradiance(hemisp_broadband_raw)
  • Diffuse narrowband hemispheric irradiance, filter 6(diffuse_hemisp_narrowband_filter6_raw)
  • Direct Horizontal Broadband Irradiance(direct_horizontal_broadband)
  • Hemispheric broadband irradiance(hemisp_broadband)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 5(diffuse_hemisp_narrowband_filter5_raw)
  • Data logger supply voltage(logger_volt)
  • Diffuse narrowband hemispheric irradiance, filter 4(diffuse_hemisp_narrowband_filter4_raw)
  • Narrowband hemispheric irradiance, filter 1(hemisp_narrowband_filter1_raw)
  • Narrowband hemispheric irradiance, filter 2(hemisp_narrowband_filter2_raw)
  • Diffuse narrowband hemispheric irradiance, filter 3(diffuse_hemisp_narrowband_filter3_raw)
  • Alltime narrowband hemispheric irradiance, filter 1(alltime_hemisp_narrowband_filter1)
  • Alltime narrowband hemispheric irradiance, filter 5(alltime_hemisp_narrowband_filter5)
  • Alltime Narrowband Hemispheric Irradiance, Filter 4(alltime_hemisp_narrowband_filter4)
  • Alltime Narrowband Hemispheric Irradiance, Filter 3(alltime_hemisp_narrowband_filter3)
  • Alltime narrowband hemispheric irradiance, filter 2(alltime_hemisp_narrowband_filter2)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 2(diffuse_hemisp_narrowband_filter2_raw)
  • Narrowband Direct Horizontal Irradiance, Filter 2, cosine corrected(direct_horizontal_narrowband_filter2)
  • Direct horizontal narrowband irradiance, filter 1(direct_horizontal_narrowband_filter1)
  • Alltime Narrowband Hemispheric Irradiance, Filter 6(alltime_hemisp_narrowband_filter6)
  • Narrowband Hemispheric Irradiance, Filter 3(hemisp_narrowband_filter3_raw)
  • Narrowband hemispheric irradiance, filter 5(hemisp_narrowband_filter5_raw)
  • Narrowband Direct Horizontal Irradiance, Filter 4, cosine corrected(direct_horizontal_narrowband_filter4)
  • Diffuse Hemispheric Broadband Irradiance, offset corrected(diffuse_hemisp_broadband)
  • Direct Horizontal Narrowband Irradiance, Filter 3(direct_horizontal_narrowband_filter3)
  • 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 Hemispheric Irradiance, Filter 6(hemisp_narrowband_filter6_raw)
  • Diffuse narrowband hemispheric irradiance, filter 1(diffuse_hemisp_narrowband_filter1_raw)
  • Diffuse Hemispheric Broadband Irradiance(diffuse_hemisp_broadband_raw)
  • Detector temperature(head_temp)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 2, offset corrected(diffuse_hemisp_narrowband_filter2)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 3(diffuse_hemisp_narrowband_filter3)
  • Narrowband hemispheric irradiance, filter 4(hemisp_narrowband_filter4_raw)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 4(diffuse_hemisp_narrowband_filter4)
  • Narrowband diffuse hemispheric irradiance, filter 5, offset and cosine corrected(diffuse_hemisp_narrowband_filter5)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 6, offset corrected(diffuse_hemisp_narrowband_filter6)
  • Alltime hemispheric broadband irradiance(alltime_hemisp_broadband)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 1, offset corrected(diffuse_hemisp_narrowband_filter1)
more
sgpmfrsrE18.b1:
  • Narrowband hemispheric irradiance, filter 6, nominal wavelength is 935 nm(hemisp_narrowband_filter6)
  • Narrowband Hemispheric Irradiance, Filter 5, offset corrected(hemisp_narrowband_filter5)
  • base time in epoch(base_time)
  • Narrowband Hemispheric Irradiance, Filter 2(hemisp_narrowband_filter2)
  • Narrowband Hemispheric Irradiance, Filter 1, offset corrected(hemisp_narrowband_filter1)
  • Narrowband hemispheric irradiance, filter 4, offset and cosine corrected(hemisp_narrowband_filter4)
  • 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 4, cosine corrected(direct_horizontal_narrowband_filter4)
  • Narrowband Direct Horizontal Irradiance, Filter 5, cosine corrected(direct_horizontal_narrowband_filter5)
  • Narrowband Direct Horizontal Irradiance, Filter 6, cosine corrected(direct_horizontal_narrowband_filter6)
  • Direct Normal Broadband Irradiance, cosine corrected, broadband scale applied(direct_normal_broadband)
  • Detector temperature(head_temp)
  • Data logger supply voltage(logger_volt)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 1, offset corrected(diffuse_hemisp_narrowband_filter1)
  • 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 4(diffuse_hemisp_narrowband_filter4)
  • Narrowband diffuse hemispheric irradiance, filter 5, offset and cosine corrected(diffuse_hemisp_narrowband_filter5)
  • Diffuse Narrowband Hemispheric Irradiance, Filter 6, offset corrected(diffuse_hemisp_narrowband_filter6)
  • Cosine solar zenith angle(cosine_solar_zenith_angle)
  • Hemispheric broadband irradiance(hemisp_broadband)
  • Narrowband Direct Normal Irradiance, Filter 1(direct_normal_narrowband_filter1)
  • Alltime hemispheric broadband irradiance(alltime_hemisp_broadband)
  • Direct normal narrowband irradiance, filter 2, offset corrected(direct_normal_narrowband_filter2)
  • Narrowband Direct Normal Irradiance, Filter 3, cosine corrected(direct_normal_narrowband_filter3)
  • Direct normal narrowband irradiance, filter 4, offset corrected(direct_normal_narrowband_filter4)
  • Narrowband Direct Normal Irradiance, Filter 5(direct_normal_narrowband_filter5)
  • Diffuse Hemispheric Broadband Irradiance, offset corrected(diffuse_hemisp_broadband)
  • Alltime Narrowband Hemispheric Irradiance, Filter 6(alltime_hemisp_narrowband_filter6)
  • Direct horizontal narrowband irradiance, filter 1(direct_horizontal_narrowband_filter1)
  • Narrowband Direct Horizontal Irradiance, Filter 2, cosine corrected(direct_horizontal_narrowband_filter2)
  • Alltime narrowband hemispheric irradiance, filter 1(alltime_hemisp_narrowband_filter1)
  • Alltime narrowband hemispheric irradiance, filter 5(alltime_hemisp_narrowband_filter5)
  • Alltime Narrowband Hemispheric Irradiance, Filter 4(alltime_hemisp_narrowband_filter4)
  • Alltime Narrowband Hemispheric Irradiance, Filter 3(alltime_hemisp_narrowband_filter3)
  • Alltime narrowband hemispheric irradiance, filter 2(alltime_hemisp_narrowband_filter2)
  • Direct normal narrowband irradiance, filter 6, offset corrected(direct_normal_narrowband_filter6)
  • Direct Horizontal Broadband Irradiance(direct_horizontal_broadband)
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