DQRID : D001129.8
Start DateStart TimeEnd DateEnd Time
09/01/2000000009/07/20002359
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Subject:
SGP/NIMFR/C1 - Low calibration
DataStreams:sgpnimfrC1.b1, sgpnimfrE13.a1
Description:
New instrument being tested, calibration too low, per Jim Barnard.
Suggestions: 
Measurements:sgpnimfrC1.b1:
  • Nominal calibration factor, applied to filter3 data(nominal_calibration_factor_filter3)
  • Nominal calibration factor, applied to filter4 data(nominal_calibration_factor_filter4)
  • Nominal calibration factor, applied to filter1 data(nominal_calibration_factor_filter1)
  • Nominal calibration factor, applied to filter2 data(nominal_calibration_factor_filter2)
  • Nominal calibration factor, applied to filter5 data(nominal_calibration_factor_filter5)
  • Nominal calibration factor, applied to filter6 data(nominal_calibration_factor_filter6)
  • Azimuth angle(azimuth_angle)
  • Elevation angle(elevation_angle)
  • Data logger supply voltage(logger_volt)
  • Narrowband Direct Normal Irradiance, Filter 1(direct_normal_narrowband_filter1)
  • Normalized filter function data, filter 5, wavelength value obtained during
    bench calibrations(wavelength_filter5)
  • Normalized filter function data, filter 6, wavelength value obtained during
    bench calibrations(wavelength_filter6)
  • Narrowband Direct Normal Irradiance, Filter 3, cosine corrected(direct_normal_narrowband_filter3)
  • Normalized filter function data, filter 3, wavelength value obtained during
    bench calibrations(wavelength_filter3)
  • Normalized filter function data, filter 4, wavelength value obtained during
    bench calibrations(wavelength_filter4)
  • Direct normal narrowband irradiance, filter 2, offset corrected(direct_normal_narrowband_filter2)
  • Normalized filter function data, filter 1, wavelength value obtained during
    bench calibrations(wavelength_filter1)
  • Narrowband Direct Normal Irradiance, Filter 5(direct_normal_narrowband_filter5)
  • Normalized filter function data, filter 2, wavelength value obtained during
    bench calibrations(wavelength_filter2)
  • Direct normal narrowband irradiance, filter 4, offset corrected(direct_normal_narrowband_filter4)
  • Cosine solar zenith angle(cosine_solar_zenith_angle)
  • Offset subtracted from upwelling hemispheric filter5 data(offset_filter5)
  • Offset subtracted from hemispheric and diffuse filter6 data(offset_filter6)
  • Detector temperature(head_temp)
  • Second detector temperature(head_temp2)
  • Nominal calibration factor, applied to broadband data(nominal_calibration_factor_broadband)
  • base time in epoch(base_time)
  • Direct horizontal narrowband irradiance, filter 1(direct_horizontal_narrowband_filter1)
  • Narrowband Direct Horizontal Irradiance, Filter 2, cosine corrected(direct_horizontal_narrowband_filter2)
  • Time offset from base_time(time_offset)
  • Normalized filter function data, filter 4, measured transmittance value obtained
    during bench calibrations(normalized_transmittance_filter4)
  • time_in_seconds_since_volume_start(time)
  • Normalized filter function data, filter 3, measured transmittance value obtained
    during bench calibrations(normalized_transmittance_filter3)
  • Normalized filter function data, filter 2, measured transmittance value obtained
    during bench calibrations(normalized_transmittance_filter2)
  • Normalized filter function data, filter 1, measured transmittance value obtained
    during bench calibrations(normalized_transmittance_filter1)
  • Direct Horizontal Broadband Irradiance(direct_horizontal_broadband)
  • Offset subtracted from hemispheric filter1 data(offset_filter1)
  • Offset subtracted from upwelling hemispheric filter2 data(offset_filter2)
  • Offset subtracted from direct normal filter3 data(offset_filter3)
  • North Latitude(lat)
  • Offset subtracted from direct normal filter4 data(offset_filter4)
  • Solar zenith angle(solar_zenith_angle)
  • -180.0 - +180.0(alt)
  • Normalized filter function data, filter 6, measured transmittance value obtained
    during bench calibrations(normalized_transmittance_filter6)
  • Normalized filter function data, filter 5, measured transmittance value obtained
    during bench calibrations(normalized_transmittance_filter5)
  • Direct normal narrowband irradiance, filter 6, offset corrected(direct_normal_narrowband_filter6)
  • Direct Normal Broadband Irradiance, cosine corrected, broadband scale applied(direct_normal_broadband)
  • Tube Temperature(tube_temp)
  • Offset subtracted from hemispheric and diffuse broadband data(offset_broadband)
  • 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)
  • lon(lon)
  • Narrowband Direct Horizontal Irradiance, Filter 6, cosine corrected(direct_horizontal_narrowband_filter6)
  • Air mass(airmass)
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sgpnimfrE13.a1:
  • Cosine of solar zenith angle(cosine_SZA)
  • Direct Normal Irradiance, MFRSR(direct_norm_broadband)
  • Tube Temperature(tube_temp)
  • nimfr_temp
  • Direct Normal Irradiance, NIMFR(direct_norm_narrowband)
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