HFE/AOS/M1 - No sub 1 micron data

The aerosol size switching impactors were stuck in the sub 10 micron mode. So all aerosol 
is sub 10 um.

• Aerosol backwards-hemispheric light scattering coefficient, red channel, 1 um
  size cut, wet three wavelength nephelometer(Bbs_R_Wet_1um_Neph3W_2)
• Aerosol backwards-hemispheric light scattering coefficient, blue channel, 1 um
  size cut, wet three wavelength nephelometer(Bbs_B_Wet_1um_Neph3W_2)
• Aerosol backwards-hemispheric light scattering coefficient, green channel, 1 um
  size cut, wet three wavelength nephelometer(Bbs_G_Wet_1um_Neph3W_2)
• Aerosol total light scattering coefficient, red channel, 1 um size cut,
  reference three wavelength nephelometer(Bs_R_Dry_1um_Neph3W_1)
• Absorption Coefficient Red, corrected for flow and sample area, 3 wavelength
  PSAP, 1 um size cut(Ba_R_Dry_1um_PSAP3W_1)
• Aerosol total light scattering coefficient, red channel, 1 um size cut, wet
  three wavelength nephelometer(Bs_R_Wet_1um_Neph3W_2)
• Aerosol backwards-hemispheric light scattering coefficient, green channel, 1 um
  size cut, reference three wavelength nephelometer(Bbs_G_Dry_1um_Neph3W_1)
• Aerosol total light scattering coefficient, green channel, 1 um size cut, wet
  three wavelength nephelometer(Bs_G_Wet_1um_Neph3W_2)
• Aerosol total light scattering coefficient, blue channel, 1 um size cut, wet
  three wavelength nephelometer(Bs_B_Wet_1um_Neph3W_2)
• Aerosol total light scattering coefficient, blue channel, 1 um size cut,
  reference three wavelength nephelometer(Bs_B_Dry_1um_Neph3W_1)
• Aerosol total light scattering coefficient, green channel, 1 um size cut,
  reference three wavelength nephelometer(Bs_G_Dry_1um_Neph3W_1)
• Aerosol backwards-hemispheric light scattering coefficient, red channel, 1 um
  size cut, reference three wavelength nephelometer(Bbs_R_Dry_1um_Neph3W_1)
• Absorption Coefficient Green, corrected for flow and sample area, 3 wavelength
  PSAP, 1 um size cut(Ba_G_Dry_1um_PSAP3W_1)
• Absorption Coefficient Blue, corrected for flow and sample area, 3 wavelength
  PSAP, 1 um size cut(Ba_B_Dry_1um_PSAP3W_1)
• Aerosol backwards-hemispheric light scattering coefficient, blue channel, 1 um
  size cut, reference three wavelength nephelometer(Bbs_B_Dry_1um_Neph3W_1)
• Aerosol light absorption coefficient, green channel, 1 um size cut(Ba_G_Dry_1um_PSAP1W_1)

HFE/AOS/M1 - Humidifier failure

The humidifier either wasn't scanning or the wet nephelometer was flooded with water.

• Aerosol total light scattering coefficient, red channel, 1 um size cut, wet
  three wavelength nephelometer(Bs_R_Wet_1um_Neph3W_2)
• Aerosol total light scattering coefficient, green channel, 1 um size cut, wet
  three wavelength nephelometer(Bs_G_Wet_1um_Neph3W_2)
• Aerosol backwards-hemispheric light scattering coefficient, red channel, 10 um
  size cut, wet three wavelength nephelometer(Bbs_R_Wet_10um_Neph3W_2)
• Aerosol backwards-hemispheric light scattering coefficient, red channel, 1 um
  size cut, wet three wavelength nephelometer(Bbs_R_Wet_1um_Neph3W_2)
• Aerosol backwards-hemispheric light scattering coefficient, blue channel, 1 um
  size cut, wet three wavelength nephelometer(Bbs_B_Wet_1um_Neph3W_2)
• Aerosol total light scattering coefficient, blue channel, 1 um size cut, wet
  three wavelength nephelometer(Bs_B_Wet_1um_Neph3W_2)
• Aerosol total light scattering coefficient, green channel, 10 um size cut, wet
  three wavelength nephelometer(Bs_G_Wet_10um_Neph3W_2)
• Aerosol backwards-hemispheric light scattering coefficient, green channel, 1 um
  size cut, wet three wavelength nephelometer(Bbs_G_Wet_1um_Neph3W_2)
• Aerosol backwards-hemispheric light scattering coefficient, green channel, 10 um
  size cut, wet three wavelength nephelometer(Bbs_G_Wet_10um_Neph3W_2)
• Aerosol total light scattering coefficient, blue channel, 10 um size cut, wet
  three wavelength nephelometer(Bs_B_Wet_10um_Neph3W_2)
• Aerosol total light scattering coefficient, red channel, 10 um size cut, wet
  three wavelength nephelometer(Bs_R_Wet_10um_Neph3W_2)
• Aerosol backwards-hemispheric light scattering coefficient, blue channel, 10 um
  size cut, wet three wavelength nephelometer(Bbs_B_Wet_10um_Neph3W_2)

HFE/AOS/M1 - CPC data missing

The CPC wasn't installed until July 22nd when the mentor visited the site.

• Condensation Nuclei Concentration Number(N_CPC_1)

HFE/AOS/M1 - CCN missing

A power regulator on the CCN circuit board failed. The mentor replaced it and it was up 
and working on 7/25/2008.

• AOS CCN temperature at middle of column(CCN_T_TEC2)
• Size of upper limit of each CCN bin(CCN_UpperSizeLimit)
• AOS bin number of lowest channel of OPC include in summation of N_CCN(N_CCN_bin_number)
• AOS CCN temperature of the optical particle counter(CCN_T_OPC)
• AOS CCN volumetric flowrate of sample air(CCN_Q_sample)
• AOS CCN temperature of sample air at entrance to instrument(CCN_T_inlet)
• AOS CCN temperature of the nafion humidifier(CCN_T_nafion)
• AOS CCN temperature at bottom of column(CCN_T_TEC3)
• CCN Propotional valve voltage(CCN_ProportionalValveVoltage)
• AOS CCN sample pressure(CCN_P_sample)
• AOS CCN sample supersaturation calculated by model)(CCN_ss_calc)
• CCN temperature gradient(CCN_Temperature_Gradient)
• Hexadecimal flag, non-zero value means instrument is not operating stably(CCN_temp_unstable_flag)
• AOS CCN temperature of sample air entering the column(CCN_T_sample)
• AOS CCN volumetric flowrate of sheath air(CCN_Q_sheath)
• AOS CCN standard deviation of difference (CCN_T_TEC1 - CCN_T_TEC3)(CCN_dT_TEC3_TEC1_StdDev)
• First stage monitor voltage(CCN_FirstStageMonitorVoltage)
• AOS CCN temperature at top of column(CCN_T_TEC1)
• AOS CCN OPC laser current(CCN_laser_current)
• AOS number concentration of CCN(N_CCN)
• AOS CCN sample saturation setpoint value reported by instrument(CCN_ss_set)
• AOS CCN number concentration by bin(N_CCN_dN)

HFE/AOS/M1 - PSAP data missing

The PSAP was disconnected during this time period.

• Absorption Coefficient Red, corrected for flow and sample area, 3 wavelength
  PSAP, 1 um size cut(Ba_R_Dry_1um_PSAP3W_1)
• Aerosol light absorption coefficient, green channel, 10 um size cut(Ba_G_Dry_10um_PSAP1W_1)
• Absorption Coefficient Green, corrected for flow and sample area, 3 wavelength
  PSAP, 1 um size cut(Ba_G_Dry_1um_PSAP3W_1)
• Absorption Coefficient Blue, corrected for flow and sample area, 3 wavelength
  PSAP, 1 um size cut(Ba_B_Dry_1um_PSAP3W_1)
• Absorption Coefficient Green, corrected for flow and sample area, 3 wavelength
  PSAP, 10 um size cut(Ba_G_Dry_10um_PSAP3W_1)
• Aerosol light absorption coefficient, green channel, 1 um size cut(Ba_G_Dry_1um_PSAP1W_1)
• Absorption Coefficient Blue, corrected for flow and sample area, 3 wavelength
  PSAP, 10 um size cut(Ba_B_Dry_10um_PSAP3W_1)
• Absorption Coefficient Red, corrected for flow and sample area, 3 wavelength
  PSAP, 10 um size cut(Ba_R_Dry_10um_PSAP3W_1)

HFE/MFRSR/M1 - Shading problem

It looks like there could be a shading problem beginning on 20080826 that lasts until 
20081013.  Affected data range from sunrise until about 0400 UTC.

• Nominal calibration factor, applied to filter6 data(nominal_calibration_factor_filter6)
• Narrowband Hemispheric Irradiance, Filter 1(hemisp_narrowband_filter1)
• cosine correction, south to north, filter5(cosine_correction_sn_filter5)
• Ratio of direct_normal_narrowband_filter3 to diffuse_hemisp_narrowband_filter3(direct_diffuse_ratio_filter3)
• Ratio of direct_normal_narrowband_filter4 to diffuse_hemisp_narrowband_filter4(direct_diffuse_ratio_filter4)
• Ratio of direct_normal_broadband to diffuse_hemisp_broadband(direct_diffuse_ratio_broadband)
• cosine correction, west to east, filter6(cosine_correction_we_filter6)
• Logger panel temperature(logger_temp)
• Normalized filter function data, filter 6, measured transmittance value obtained
  during bench calibrations(normalized_transmittance_filter6)
• Cosine correction applied to direct_horizontal_narrowband_filter3(computed_cosine_correction_filter3)
• time(time)
• Nominal calibration factor, applied to filter5 data(nominal_calibration_factor_filter5)
• Ratio of direct_normal_narrowband_filter2 to diffuse_hemisp_narrowband_filter2(direct_diffuse_ratio_filter2)
• lat(lat)
• Ratio of direct_normal_narrowband_filter5 to diffuse_hemisp_narrowband_filter5(direct_diffuse_ratio_filter5)
• cosine correction, south to north, filter1(cosine_correction_sn_filter1)
• Normalized filter function data, filter 3, wavelength value obtained during
  bench calibrations(wavelength_filter3)
• Cosine correction applied to direct_horizontal_narrowband_filter5(computed_cosine_correction_filter5)
• Alltime Narrowband Hemispheric Irradiance, Filter 5(alltime_hemisp_narrowband_filter5)
• Offset subtracted from upwelling hemispheric broadband data(offset_broadband)
• Normalized filter function data, filter 5, measured transmittance value obtained
  during bench calibrations(normalized_transmittance_filter5)
• Cosine correction applied to direct_horizontal_narrowband_filter2(computed_cosine_correction_filter2)
• Normalized filter function data, filter 6, wavelength value obtained during
  bench calibrations(wavelength_filter6)
• Alltime Narrowband Hemispheric Irradiance, Filter 6(alltime_hemisp_narrowband_filter6)
• Narrowband Diffuse Hemispheric Irradiance, Filter 5(diffuse_hemisp_narrowband_filter5)
• Normalized filter function data, filter 5, wavelength value obtained during
  bench calibrations(wavelength_filter5)
• base time(base_time)
• cosine correction, south to north, filter3(cosine_correction_sn_filter3)
• Direct Normal Narrowband Irradiance, Filter 6(direct_normal_narrowband_filter6)
• Alltime Narrowband Hemispheric Irradiance, Filter 4(alltime_hemisp_narrowband_filter4)
• Normalized filter function data, filter 4, measured transmittance value obtained
  during bench calibrations(normalized_transmittance_filter4)
• lon(lon)
• Narrowband Direct Horizontal Irradiance, Filter 1(direct_horizontal_narrowband_filter1)
• cosine correction, west to east, filter3(cosine_correction_we_filter3)
• Nominal calibration factor, applied to broadband data(nominal_calibration_factor_broadband)
• Normalized filter function data, filter 1, measured transmittance value obtained
  during bench calibrations(normalized_transmittance_filter1)
• Normalized filter function data, filter 1, wavelength value obtained during
  bench calibrations(wavelength_filter1)
• Narrowband Direct Horizontal Irradiance, Filter 2(direct_horizontal_narrowband_filter2)
• Cosine correction of filter6 diffuse, assuming Rayleigh sky at 45 deg zenith
  angle(diffuse_correction_filter6)
• Narrowband Diffuse Hemispheric Irradiance, Filter 1(diffuse_hemisp_narrowband_filter1)
• Narrowband Direct Horizontal Irradiance, Filter 3(direct_horizontal_narrowband_filter3)
• Solar zenith angle(solar_zenith_angle)
• Normalized filter function data, filter 3, measured transmittance value obtained
  during bench calibrations(normalized_transmittance_filter3)
• Narrowband Diffuse Hemispheric Irradiance, Filter 4(diffuse_hemisp_narrowband_filter4)
• Direct Normal Broadband Irradiance broadband scale applied(direct_normal_broadband)
• Direct Normal Narrowband Irradiance, Filter 3(direct_normal_narrowband_filter3)
• Cosine of Solar Zenith Angle(cosine_solar_zenith_angle)
• cosine correction, west to east, filter4(cosine_correction_we_filter4)
• Offset subtracted from upwelling hemispheric filter5 data(offset_filter5)
• Alltime Narrowband Hemispheric Irradiance, Filter 1(alltime_hemisp_narrowband_filter1)
• cosine correction, west to east, filter2(cosine_correction_we_filter2)
• Cosine correction of broadband diffuse, assuming Rayleigh sky at 45 deg zenith
  angle(diffuse_correction_broadband)
• cosine correction, south to north, filter6(cosine_correction_sn_filter6)
• Narrowband Diffuse Hemispheric Irradiance, Filter 6(diffuse_hemisp_narrowband_filter6)
• Direct Normal Narrowband Irradiance, Filter 5(direct_normal_narrowband_filter5)
• Narrowband Hemispheric Irradiance, Filter 2(hemisp_narrowband_filter2)
• Normalized filter function data, filter 4, wavelength value obtained during
  bench calibrations(wavelength_filter4)
• Ratio of direct_normal_narrowband_filter6 to diffuse_hemisp_narrowband_filter6(direct_diffuse_ratio_filter6)
• Normalized filter function data, filter 2, measured transmittance value obtained
  during bench calibrations(normalized_transmittance_filter2)
• cosine correction, south to north, broadband channel(cosine_correction_sn_broadband)
• Normalized filter function data, filter 2, wavelength value obtained during
  bench calibrations(wavelength_filter2)
• Offset subtracted from upwelling hemispheric filter6 data(offset_filter6)
• Cosine correction applied to direct_horizontal_narrowband_filter6(computed_cosine_correction_filter6)
• Diffuse Hemispheric Broadband Irradiance (Approximate), MFRSR(diffuse_hemisp_broadband)
• Narrowband Diffuse Hemispheric Irradiance, Filter 3(diffuse_hemisp_narrowband_filter3)
• Direct Normal Narrowband Irradiance, Filter 4(direct_normal_narrowband_filter4)
• Offset subtracted from upwelling hemispheric filter1 data(offset_filter1)
• Detector Temperature(head_temp)
• Cosine correction applied to direct_horizontal_narrowband_filter1(computed_cosine_correction_filter1)
• Narrowband Diffuse Hemispheric Irradiance, Filter 2(diffuse_hemisp_narrowband_filter2)
• Second Detector Temperature(head_temp2)
• Direct Normal Narrowband Irradiance, Filter 1(direct_normal_narrowband_filter1)
• Direct Normal Narrowband Irradiance, Filter 2(direct_normal_narrowband_filter2)
• Offset subtracted from upwelling hemispheric filter2 data(offset_filter2)
• Air mass(airmass)
• Narrowband Direct Horizontal Irradiance, Filter 5(direct_horizontal_narrowband_filter5)
• Cosine correction of filter2 diffuse, assuming Rayleigh sky at 45 deg zenith
  angle(diffuse_correction_filter2)
• cosine correction, west to east, broadband channel(cosine_correction_we_broadband)
• Nominal calibration factor, applied to filter2 data(nominal_calibration_factor_filter2)
• Nominal calibration factor, applied to filter1 data(nominal_calibration_factor_filter1)
• Hemispheric Irradiance, MFRSR(hemisp_broadband)
• Cosine correction of filter5 diffuse, assuming Rayleigh sky at 45 deg zenith
  angle(diffuse_correction_filter5)
• cosine correction, west to east, filter1(cosine_correction_we_filter1)
• Alltime Narrowband Hemispheric Irradiance, Filter 2(alltime_hemisp_narrowband_filter2)
• Narrowband Direct Horizontal Irradiance, Filter 4(direct_horizontal_narrowband_filter4)
• Alltime Hemispheric Broadband Irradiance(alltime_hemisp_broadband)
• Elevation Angle(elevation_angle)
• Azimuth angle(azimuth_angle)
• Alltime Narrowband Hemispheric Irradiance, Filter 3(alltime_hemisp_narrowband_filter3)
• cosine correction, south to north, filter2(cosine_correction_sn_filter2)
• Cosine correction applied to direct_horizontal_narrowband_filter4(computed_cosine_correction_filter4)
• cosine correction, west to east, filter5(cosine_correction_we_filter5)
• Cosine correction applied to direct_horizontal_broadband(computed_cosine_correction_broadband)
• Cosine correction of filter3 diffuse, assuming Rayleigh sky at 45 deg zenith
  angle(diffuse_correction_filter3)
• Ratio of direct_normal_narrowband_filter1 to diffuse_hemisp_narrowband_filter1(direct_diffuse_ratio_filter1)
• Nominal calibration factor, applied to filter3 data(nominal_calibration_factor_filter3)
• Narrowband Hemispheric Irradiance, Filter 3(hemisp_narrowband_filter3)
• Narrowband Direct Horizontal Irradiance, Filter 6(direct_horizontal_narrowband_filter6)
• Cosine correction of filter1 diffuse, assuming Rayleigh sky at 45 deg zenith
  angle(diffuse_correction_filter1)
• angle of incidence during cosine bench measurements(bench_angle)
• Time offset of tweaks from base_time(time_offset)
• Offset subtracted from upwelling hemispheric filter4 data(offset_filter4)
• Narrowband Hemispheric Irradiance, Filter 6(hemisp_narrowband_filter6)
• Narrowband Hemispheric Irradiance, Filter 5(hemisp_narrowband_filter5)
• Cosine correction of filter4 diffuse, assuming Rayleigh sky at 45 deg zenith
  angle(diffuse_correction_filter4)
• Offset subtracted from upwelling hemispheric filter3 data(offset_filter3)
• Direct Horizontal Broadband Irradiance, broadband scale applied(direct_horizontal_broadband)
• Data Logger Supply Voltage(logger_volt)
• Dummy altitude for Zeb(alt)
• Nominal calibration factor, applied to filter4 data(nominal_calibration_factor_filter4)
• Narrowband Hemispheric Irradiance, Filter 4(hemisp_narrowband_filter4)
• cosine correction, south to north, filter4(cosine_correction_sn_filter4)

• Logger panel temperature(logger_temp)
• Diffuse Narrowband Hemispheric Irradiance, Filter 5(diffuse_hemisp_narrowband_filter5_raw)
• Offset subtracted from upwelling hemispheric broadband data(offset_broadband)
• Diffuse Narrowband Hemispheric Irradiance, Filter 2(diffuse_hemisp_narrowband_filter2_raw)
• Narrowband Hemispheric Irradiance, Filter 2(hemisp_narrowband_filter2)
• Diffuse Narrowband Hemispheric Irradiance, Filter 4(diffuse_hemisp_narrowband_filter4_raw)
• base time(base_time)
• Narrowband Diffuse Hemispheric Irradiance, Filter 6(diffuse_hemisp_narrowband_filter6)
• Narrowband Direct Horizontal Irradiance, Filter 2(direct_horizontal_narrowband_filter2)
• Detector Temperature(head_temp)
• Alltime Narrowband Hemispheric Irradiance, Filter 3(alltime_hemisp_narrowband_filter3)
• Hemispheric Irradiance, MFRSR(hemisp_broadband)
• Alltime Narrowband Hemispheric Irradiance, Filter 2(alltime_hemisp_narrowband_filter2)
• Offset subtracted from upwelling hemispheric filter6 data(offset_filter6)
• Narrowband Hemispheric Irradiance, Filter 1(hemisp_narrowband_filter1)
• Narrowband Diffuse Hemispheric Irradiance, Filter 1(diffuse_hemisp_narrowband_filter1)
• Narrowband Hemispheric Irradiance, Filter 4(hemisp_narrowband_filter4_raw)
• Offset subtracted from upwelling hemispheric filter5 data(offset_filter5)
• Narrowband Hemispheric Irradiance, Filter 2(hemisp_narrowband_filter2_raw)
• Second Detector Temperature(head_temp2)
• Narrowband Hemispheric Irradiance, Filter 3(hemisp_narrowband_filter3_raw)
• Alltime Hemispheric Broadband Irradiance(alltime_hemisp_broadband)
• lon(lon)
• Narrowband Hemispheric Irradiance, Filter 3(hemisp_narrowband_filter3)
• Alltime Narrowband Hemispheric Irradiance, Filter 4(alltime_hemisp_narrowband_filter4)
• Alltime Narrowband Hemispheric Irradiance, Filter 5(alltime_hemisp_narrowband_filter5)
• Alltime Narrowband Hemispheric Irradiance, Filter 1(alltime_hemisp_narrowband_filter1)
• Diffuse Narrowband Hemispheric Irradiance, Filter 6(diffuse_hemisp_narrowband_filter6_raw)
• Narrowband Direct Horizontal Irradiance, Filter 6(direct_horizontal_narrowband_filter6)
• Narrowband Diffuse Hemispheric Irradiance, Filter 2(diffuse_hemisp_narrowband_filter2)
• Narrowband Direct Horizontal Irradiance, Filter 3(direct_horizontal_narrowband_filter3)
• Offset subtracted from upwelling hemispheric filter2 data(offset_filter2)
• Narrowband Direct Horizontal Irradiance, Filter 4(direct_horizontal_narrowband_filter4)
• time(time)
• Narrowband Hemispheric Irradiance, Filter 5(hemisp_narrowband_filter5)
• Alltime Narrowband Hemispheric Irradiance, Filter 6(alltime_hemisp_narrowband_filter6)
• Narrowband Direct Horizontal Irradiance, Filter 5(direct_horizontal_narrowband_filter5)
• Narrowband Hemispheric Irradiance, Filter 6(hemisp_narrowband_filter6)
• Hemispheric Broadband Irradiance(hemisp_broadband_raw)
• Narrowband Diffuse Hemispheric Irradiance, Filter 4(diffuse_hemisp_narrowband_filter4)
• Narrowband Diffuse Hemispheric Irradiance, Filter 3(diffuse_hemisp_narrowband_filter3)
• Dummy altitude for Zeb(alt)
• Narrowband Diffuse Hemispheric Irradiance, Filter 5(diffuse_hemisp_narrowband_filter5)
• Data Logger Supply Voltage(logger_volt)
• Diffuse Hemispheric Broadband Irradiance (Approximate), MFRSR(diffuse_hemisp_broadband)
• Narrowband Direct Horizontal Irradiance, Filter 1(direct_horizontal_narrowband_filter1)
• Narrowband Hemispheric Irradiance, Filter 6(hemisp_narrowband_filter6_raw)
• Diffuse Narrowband Hemispheric Irradiance, Filter 3(diffuse_hemisp_narrowband_filter3_raw)
• Narrowband Hemispheric Irradiance, Filter 1(hemisp_narrowband_filter1_raw)
• Offset subtracted from upwelling hemispheric filter3 data(offset_filter3)
• Narrowband Hemispheric Irradiance, Filter 4(hemisp_narrowband_filter4)
• Diffuse Narrowband Hemispheric Irradiance, Filter 1(diffuse_hemisp_narrowband_filter1_raw)
• Offset subtracted from upwelling hemispheric filter1 data(offset_filter1)
• Time offset of tweaks from base_time(time_offset)
• Diffuse Hemispheric Broadband Irradiance(diffuse_hemisp_broadband_raw)
• lat(lat)
• Offset subtracted from upwelling hemispheric filter4 data(offset_filter4)
• Direct Horizontal Broadband Irradiance, broadband scale applied(direct_horizontal_broadband)
• Narrowband Hemispheric Irradiance, Filter 5(hemisp_narrowband_filter5_raw)

• null(Raw data stream - documentation not supported)