MAO/AOS/S1/M1 - Instrument maintenance

Instrument maintenance and cleaning inlets affecting data.

Do not use data.

• Differential_voltage, see instrument manual(differential_voltage)
• Sample pressure(sample_pressure)
• Temperature used for calculation(temperature)
• Bin number(bin_num)
• Sample volume(sampling_volume)
• Current(current)
• Lower particle size limit for each bin(lower_size_limit)
• Scatter signal(scattering_voltage)
• Reference(reference)
• Main flow rate(flow)
• base time in epoch(base_time)
• Auxiliary measurement, not implemented(auxiliary)
• Particle size distribution(size_distribution)
• Unit temperature(unit_temperature)
• Upper particle size limit for each bin(upper_size_limit)
• Purge flow(purge_flow)
• Sheath flow(sheath_flow)

• Temperature used for calculation(temperature)
• Dew point temperature(dew_point_temperature)
• Laser Power, 405 nm wavelength(laser_power_405nm)
• Uncertainty estimate for absorption coefficient, 405 nm wavelength(uncertainty_estimate_405nm)
• Average background subtracted from scattering coefficient, 781nm(avg_background_subtracted_scat_coef_781nm)
• Scattering coefficient, 781 nm wavelength(scattering_coefficient_781nm)
• Laser temperature(temperature_laser)
• Average background subtracted from absorption coefficient, 781nm(avg_background_subtracted_absorp_coef_781nm)
• Average background subtracted from absorption coefficient, 405nm(avg_background_subtracted_absorp_coef_405nm)
• Scattering coefficient, 532 nm wavelength(scattering_coefficient_532nm)
• Absorption coefficient, 781nm wavelength(absorption_coefficient_781nm)
• Relative Humidity (hybrid-b grid)(rh)
• Laser Power, 781 nm wavelength(laser_power_781nm)
• Running average indicator, 0=no, 1=yes(running_average)
• Average background subtracted from scattering coefficient, 532nm(avg_background_subtracted_scat_coef_532nm)
• Resonance frequency(resonance_frequency)
• Average background subtracted from absorption coefficient, 532nm(avg_background_subtracted_absorp_coef_532nm)
• Derived pressure(pressure)
• Acoustic pressure at resonance(acoustic_pressure)
• Uncertainty estimate for absorption coefficient, 532 nm wavelength(uncertainty_estimate_532nm)
• Absorption coefficient, 405 nm wavelength(absorption_coefficient_405nm)
• Average background subtracted from scattering coefficient, 405nm(avg_background_subtracted_scat_coef_405nm)
• Laser Power, 532 nm wavelength(laser_power_532nm)
• Uncertainty estimate for absorption coefficient, 781nm wavelength(uncertainty_estimate_781nm)
• Scattering coefficient, 405 nm wavelength(scattering_coefficient_405nm)
• Indicates occurrence of background zero(sample_measurement_flag)
• Absorption, 532 nm wavelength(absorption_coefficient_532nm)

• Sample temperature(sample_temperature)
• Sample relative humidity(sample_rh)

• Impactor state in terms of aerodynamic diameter cut off(impactor_state)

• Bypass fraction at 565 nm, 1 um size cut(yellow_bypass_fraction_1um)
• Black carbon mass load at 520 nm, 1 um size cut(bcm_green_1um)
• Optical attenuation at 470 nm, 1 um size cut(blue_optical_attenuation_1um)
• Optical attenuation at 700 nm, 1 um size cut(orange_optical_attenuation_1um)
• Bypass fraction at 430 nm, 10 um size cut(near_ultraviolet_bypass_fraction_10um)
• Beam signal at 520 nm, 10 um size cut(green_beam_signal_10um)
• Zero signal at 565 nm, 10 um size cut(yellow_zero_signal_10um)
• Zero signal at 470 nm, 10 um size cut(blue_zero_signal_10um)
• Black carbon mass load at 370 nm, 1 um size cut(bcm_ultraviolet_1um)
• Black carbon mass load at 520 nm, 10 um size cut(bcm_green_10um)
• Zero signal at 880 nm, 1 um size cut(near_infrared_zero_signal_1um)
• Beam signal at 470 nm, 1 um size cut(blue_beam_signal_1um)
• Bypass fraction at 470 nm, 10 um size cut(blue_bypass_fraction_10um)
• Black carbon mass load at 700 nm, 10 um size cut(bcm_orange_10um)
• Zero signal at 520 nm, 1 um size cut(green_zero_signal_1um)
• Reference zero at 565 nm, 10 um size cut(yellow_ref_zero_10um)
• Reference zero at 470 nm, 1 um size cut(blue_ref_zero_1um)
• Beam signal at 880 nm, 10 um size cut(near_infrared_beam_signal_10um)
• Bypass fraction at 880 nm, 1 um size cut(near_infrared_bypass_fraction_1um)
• Reference beam at 565 nm, 1 um size cut(yellow_ref_beam_1um)
• Bypass fraction at 470 nm, 1 um size cut(blue_bypass_fraction_1um)
• Optical attenuation at 880 nm, 1 um size cut(near_infrared_optical_attenuation_1um)
• Optical attenuation at 880 nm, 10 um size cut(near_infrared_optical_attenuation_10um)
• Reference beam at 700 nm, 10 um size cut(orange_ref_beam_10um)
• Optical attenuation at 565 nm, 10 um size cut(yellow_optical_attenuation_10um)
• Beam signal at 565 nm, 10 um size cut(yellow_beam_signal_10um)
• Zero signal at 700 nm, 1 um size cut(orange_zero_signal_1um)
• Bypass fraction at 520 nm, 10 um size cut(green_bypass_fraction_10um)
• Bypass fraction at 700 nm, 1 um size cut(orange_bypass_fraction_1um)
• Reference beam at 370 nm, 1 um size cut(ultraviolet_ref_beam_1um)
• Optical attenuation at 430 nm, 10 um size cut(near_ultraviolet_optical_attenuation_10um)
• Optical attenuation at 370 nm, 1 um size cut(ultraviolet_optical_attenuation_1um)
• Reference beam at 430 nm, 10 um size cut(near_ultraviolet_ref_beam_10um)
• Reference beam at 470 nm, 1 um size cut(blue_ref_beam_1um)
• Reference beam at 880 nm, 10 um size cut(near_infrared_ref_beam_10um)
• Bypass fraction at 520 nm, 1 um size cut(green_bypass_fraction_1um)
• Black carbon mass load at 880 nm, 1 um size cut(bcm_near_infrared_1um)
• Reference zero at 370 nm, 1 um size cut(ultraviolet_ref_zero_1um)
• Reference zero at 565 nm, 1 um size cut(yellow_ref_zero_1um)
• Reference beam at 370 nm, 10 um size cut(ultraviolet_ref_beam_10um)
• Bypass fraction at 880 nm, 10 um size cut(near_infrared_bypass_fraction_10um)
• Reference zero at 470 nm, 10 um size cut(blue_ref_zero_10um)
• Reference zero at 520 nm, 10 um size cut(green_ref_zero_10um)
• Zero signal at 370 nm, 10 um size cut(ultraviolet_zero_signal_10um)
• Bypass fraction at 430 nm, 1 um size cut(near_ultraviolet_bypass_fraction_1um)
• Black carbon mass load at 370 nm, 10 um size cut(bcm_ultraviolet_10um)
• Reference beam at 880 nm, 1 um size cut(near_infrared_ref_beam_1um)
• Beam signal at 700 nm, 1 um size cut(orange_beam_signal_1um)
• Reference beam at 430 nm, 1 um size cut(near_ultraviolet_ref_beam_1um)
• Optical attenuation at 470 nm, 10 um size cut(blue_optical_attenuation_10um)
• Optical attenuation at 565 nm, 1 um size cut(yellow_optical_attenuation_1um)
• Bypass fraction at 565 nm, 10 um size cut(yellow_bypass_fraction_10um)
• Zero signal at 430 nm, 10 um size cut(near_ultraviolet_zero_signal_10um)
• Beam signal at 370 nm, 1 um size cut(ultraviolet_beam_signal_1um)
• Reference zero at 880 nm, 1 um size cut(near_infrared_ref_zero_1um)
• Black carbon mass load at 470 nm, 10 um size cut(bcm_blue_10um)
• Black carbon mass load at 430 nm, 1 um size cut(bcm_near_ultraviolet_1um)
• Reference zero at 430 nm, 1 um size cut(near_ultraviolet_ref_zero_1um)
• Reference zero at 700 nm, 10 um size cut(orange_ref_zero_10um)
• Zero signal at 565 nm, 1 um size cut(yellow_zero_signal_1um)
• Black carbon mass load at 565 nm, 1 um size cut(bcm_yellow_1um)
• Zero signal at 880 nm, 10 um size cut(near_infrared_zero_signal_10um)
• Bypass fraction at 700 nm, 10 um size cut(orange_bypass_fraction_10um)
• Beam signal at 565 nm, 1 um size cut(yellow_beam_signal_1um)
• Black carbon mass load at 880 nm, 10 um size cut(bcm_near_infrared_10um)
• Black carbon mass load at 565 nm, 10 um size cut(bcm_yellow_10um)
• Optical attenuation at 430 nm, 1 um size cut(near_ultraviolet_optical_attenuation_1um)
• Black carbon mass load at 470 nm, 1 um size cut(bcm_blue_1um)
• Black carbon mass load at 430 nm, 10 um size cut(bcm_near_ultraviolet_10um)
• Bypass fraction at 370 nm, 10 um size cut(ultraviolet_bypass_fraction_10um)
• Zero signal at 430 nm, 1 um size cut(near_ultraviolet_zero_signal_1um)
• Optical attenuation at 520 nm, 10 um size cut(green_optical_attenuation_10um)
• Beam signal at 430 nm, 1 um size cut(near_ultraviolet_beam_signal_1um)
• Reference beam at 565 nm, 10 um size cut(yellow_ref_beam_10um)
• Black carbon mass load at 700 nm, 1 um size cut(bcm_orange_1um)
• Beam signal at 370 nm, 10 um size cut(ultraviolet_beam_signal_10um)
• Zero signal at 470 nm, 1 um size cut(blue_zero_signal_1um)
• Beam signal at 470 nm, 10 um size cut(blue_beam_signal_10um)
• Optical attenuation at 370 nm, 10 um size cut(ultraviolet_optical_attenuation_10um)
• Reference beam at 520 nm, 1 um size cut(green_ref_beam_1um)
• Reference zero at 430 nm, 10 um size cut(near_ultraviolet_ref_zero_10um)
• Zero signal at 520 nm, 10 um size cut(green_zero_signal_10um)
• Beam signal at 880 nm, 1 um size cut(near_infrared_beam_signal_1um)
• Beam signal at 520 nm, 1 um size cut(green_beam_signal_1um)
• Zero signal at 370 nm, 1 um size cut(ultraviolet_zero_signal_1um)
• Optical attenuation at 700 nm, 10 um size cut(orange_optical_attenuation_10um)
• Reference zero at 370 nm, 10 um size cut(ultraviolet_ref_zero_10um)
• Reference zero at 700 nm, 1 um size cut(orange_ref_zero_1um)
• Beam signal at 430 nm, 10 um size cut(near_ultraviolet_beam_signal_10um)
• Reference beam at 520 nm, 10 um size cut(green_ref_beam_10um)
• Bypass fraction at 370 nm, 1 um size cut(ultraviolet_bypass_fraction_1um)
• Instrument flow rate(flowrate)
• Optical attenuation at 520 nm, 1 um size cut(green_optical_attenuation_1um)
• Reference beam at 470 nm, 10 um size cut(blue_ref_beam_10um)
• Reference beam at 700 nm, 1 um size cut(orange_ref_beam_1um)
• Zero signal at 700 nm, 10 um size cut(orange_zero_signal_10um)
• Beam signal at 700 nm, 10 um size cut(orange_beam_signal_10um)
• Reference zero at 520 nm, 1 um size cut(green_ref_zero_1um)
• Reference zero at 880 nm, 10 um size cut(near_infrared_ref_zero_10um)

• Aerosol back-hemispheric light scattering coefficient, nominal green wavelength
  at dry or reference RH(Bbs_G_Dry_Neph3W_1)
• Pressure inside reference nephelometer(P_Neph_Dry)
• Sample temperature inside reference nephelometer(T_Neph_Dry)
• Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength
  at dry or reference RH(Bbs_B_Dry_Neph3W_1)
• Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at
  dry or reference RH(Bbs_R_Dry_Neph3W_1)
• Relative humidity, reference nephelometer(RH_Neph_Dry)
• Aerosol total light scattering coefficient, nominal red wavelength at dry or
  reference RH(Bs_R_Dry_Neph3W_1)
• Impactor setting in terms of aerodynamic diameter cut off(impactor_setting)
• Aerosol total light scattering coefficient, nominal blue wavelength at dry or
  reference RH(Bs_B_Dry_Neph3W_1)
• Aerosol total light scattering coefficient, nominal green wavelength at dry or
  reference RH(Bs_G_Dry_Neph3W_1)
• Temperature, reference nephelometer inlet(T_Neph_Inlet_Dry)

• Mass concentration of nitrate, ambient aerosol in air(nitrate)
• Mass concentration of total organics, ambient aerosol in air(total_organics)
• Mass concentration of chloride, ambient aerosol in air.(chloride)
• Mass concentration of sulfate, ambient aerosol in air.(sulfate)
• Mass concentration of ammonium, ambient aerosol in air(ammonium)

• Aerosol light absorption coefficient, nominal green wavelength at dry or
  reference RH(Ba_G_CLAP3W)
• Instrument flags(instrument_flags)
• AOS Ba_B_CLAP3W_1 (NOAA) sample length, needed to calculate Beers Law(sample_length)
• -180.0 - +180.0(alt)
• base time in epoch(base_time)
• North Latitude(lat)
• Filter ID, increments for each new filter(filter_id)
• time_in_seconds_since_volume_start(time)
• clap3w flow rate(clap_flow_rate)
• Aerosol light absorption coefficient, nominal blue wavelength at dry or
  reference RH(Ba_B_CLAP3W)
• Aerosol light absorption coefficient, nominal red wavelength at dry or reference
  RH(Ba_R_CLAP3W)
• Time offset from base_time(time_offset)
• AOS Ba_R_CLAP3W transmittance, red channel(transmittance_R)
• Impactor setting in terms of aerodynamic diameter cut off(impactor_setting)
• AOS PSAP3W transmittance, green channel(transmittance_G)
• AOS Ba_B_CLAP3W transmittance, blue channel(transmittance_B)
• lon(lon)
• Time range for the hourly averages, in time offset from midnight(time_bounds)
• Active filter number(active_filter_number)

• Ambient Temperature(ambient_temp)
• Saturation temperature(saturation_temp)
• OPC laser current(laser_current)
• Nozzle pressure(nozzle_pressure)
• Aerosol concentration averaged over times to match N_CCN(concentration)
• Cabinet temperature(cabinet_temp)
• Orifice pressure(orifice_pressure)
• Condensation temperature(condensation_temp)
• Optics temperature(optics_temp)

• Instrument sample state(gas_mode_state)
• Instrument test LED state(test_led)
• Instrument temperature compensation state(temperature_compensation_state)
• Main flow rate(flow)
• Instrument flash lamp state(flash_lamp_state)
• Sulfur dioxide (SO2) mixing ratio calculated with nominal sensitivity correction(so2)
• Instrument SO2 coefficient(so2_coefficient)
• Instrument lamp setpoint(lamp_setpoint)
• Averaging time interval(averaging_time)
• Measure of the current lamp intensity as a percentage of the nominal maximum(lamp_intensity)
• Instrument automatic gain control(automatic_gain_control)
• Instrument PMT status(pmt_status)
• Length of each flag string in so2_flags field(length)
• PMT voltage(pmt_volt)
• Lamp voltage(lamp_volt)
• Pressure compensation state(pressure_compensation_state)
• Internal instrument temperature(internal_temp)
• Derived pressure(pressure)
• Instrument SO2 background correction(so2_background_correction)
• Instrument purge mode state(purge_mode_state)
• Reaction chamber temperature(reaction_chamber_temp)
• SO2 flag string as an integer value(so2_flags)
• Distance to the center of the corresponding range bin(range)

• AOS CCN number concentration by bin(N_CCN_dN)
• Sample supersaturation calculated via Lance/Rose method(supersaturation_calculated)
• Standard deviation of measured temperature difference between top and bottom of
  column(column_temperature_gradient_measured_std)
• Measured temperature difference between top and bottom of column(column_temperature_gradient_measured)
• Size bins for CCN droplet count(droplet_size)
• Supersaturation set point(supersaturation_setpoint)
• Standard deviation of Condensation Particle Concentration Number(N_CPC_std)
• Gradient between column top and bottom temperature settings(column_temperature_gradient_setting)
• Standard deviation of number concentration of CCN(N_CCN_std)
• Condensation particle concentration number(N_CPC)
• Cloud condensation nuclei number density(N_CCN)

• Number size distribution (dN/dlogDp)(number_size_distribution)
• Sample pressure(sample_pressure)
• Mean diameter of size distribution(mean)
• Median diameter of size distribution(median)
• Low voltage reading(low_voltage)
• Lower size limit(lower_size)
• Sheath flow(sheath_flow)
• High voltage reading(high_voltage)
• Bins for diameter midpoint measurements(diameter_midpoint)
• Standard deviation of mean diameter of size distribution using geometric average(geometric_mean_std)
• Mode index(mode)
• CPC inlet flow rate(CPC_inlet_flow)
• Gas viscosity(gas_viscosity)
• Mean free path(mean_free_path)
• CPC sample flow rate(CPC_sample_flow)
• Mean diameter of size distribution using a geometric average(geometric_mean)
• Flag indicating aeri retrieval status(status_flag)
• Aerosol flow rate(aerosol_flow)
• Sample temperature(sample_temperature)
• 50 percent cut-point diameter of the impactor(d50)

• Nozzle pressure(nozzle_pressure)
• Aerosol concentration averaged over times to match N_CCN(concentration)
• OPC laser current(laser_current)
• Cabinet temperature(cabinet_temp)
• Saturation temperature(saturation_temp)
• Ambient Temperature(ambient_temp)
• Condensation temperature(condensation_temp)
• Optics temperature(optics_temp)
• Orifice pressure(orifice_pressure)

• Aerosol back-emispheric light scattering coefficient, nominal green wavelength
  at ramped RH(Bbs_G_Wet_Neph3W_2)
• Aerosol total light scattering coefficient, nominal blue wavelength at ramped RH(Bs_B_Wet_Neph3W_2)
• Impactor setting in terms of aerodynamic diameter cut off(impactor_setting)
• Sample temperature inside humidified nephelometer(T_Neph_Wet)
• Aerosol total light scattering coefficient, nominal red wavelength at ramped RH(Bs_R_Wet_Neph3W_2)
• Aerosol total light scattering coefficient, nominal green wavelength at ramped
  RH(Bs_G_Wet_Neph3W_2)
• Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength
  at ramped RH(Bbs_B_Wet_Neph3W_2)
• Temperature, inside nephelometer(T_Neph_Vol_Wet)
• Temperature, reference nephelometer inlet(T_Neph_Inlet_Wet)
• Relative humidity, Humidograph nephelometer(RH_Neph_Wet)
• Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at
  ramped RH(Bbs_R_Wet_Neph3W_2)
• Pressure inside humidified nephelometer(P_Neph_Wet)
• Relative humidity at humidified nephelometer inlet(RH_Neph_Inlet_Wet)
• Relative humidity, inside reference nephelometer(RH_Neph_Vol_Wet)

• AOS CCN volumetric flowrate of sample air(CCN_Q_sample)
• AOS CCN temperature of the nafion humidifier(CCN_T_nafion)
• AOS CCN OPC laser current(CCN_laser_current)
• AOS CCN set point temperature for the optical particle counter (OPC)(CCN_OPC_set)
• Size of upper limit of each CCN bin(CCN_upper_size_limit)
• Temperature difference between CCN_t_set_TEC3 and CCN_t_set_TEC1(CCN_temperature_gradient)
• AOS CCN set temperature for the Nafion humidifier(CCN_nafion_set)
• AOS CCN set point temperature for the inlet manifold(CCN_inlet_set)
• AOS CCN observed temperature at top of column(CCN_t_read_TEC1)
• AOS CCN observed temperature at middle of column(CCN_t_read_TEC2)
• AOS CCN (read) temperature at bottom of column(CCN_t_read_TEC3)
• CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected
  problem(CCN_alarm_code)
• Number of particles that are larger than 10um(CCN_overflow)
• Cloud condensation nuclei number density(N_CCN)
• AOS CCN volumetric flowrate of sheath air(CCN_Q_sheath)
• AOS CCN temperature of sample air at entrance to instrument(CCN_T_inlet)
• AOS CCN set point for temperature at top of column(CCN_t_set_TEC1)
• AOS CCN set point for temperature at bottom of column(CCN_t_set_TEC3)
• AOS CCN set point for temperature at middle of column(CCN_t_set_TEC2)
• AOS CCN voltage used by DMT for OPC diagnostic purposes(CCN_baseline_monitor)
• Bin number of lowest channel of OPC include in summation of N_CCN(N_CCN_bin_number)
• AOS CCN temperature of sample air entering the column(CCN_T_sample)
• AOS CCN sample pressure(CCN_P_sample)
• AOS CCN sample saturation setpoint value reported by instrument(CCN_ss_set)
• CCN Proportional valve voltage(CCN_proportional_valve_voltage)
• AOS CCN temperature of the optical particle counter(CCN_T_OPC)
• AOS CCN logical value, indicating whether the instrument has reached thermal
  gradient stabilization and is within 0.4 degrees C of the set point(CCN_temp_unstable_flag)
• AOS CCN number concentration by bin(N_CCN_dN)
• First stage monitor voltage(CCN_first_stage_monitor_voltage)

• Rain intensity(rain_intensity)
• Ambient air temperature(T_Ambient)
• Supply voltage(supply_volts)
• Pressure of ambient air(P_Ambient)
• Ambient air relative humidity(RH_Ambient)
• Reference voltage(ref_volts)
• Wind speed(WindSpeed)
• Rain duration(rain_duration)
• Wind Direction, relative to true North(WindDirection)
• Rain amount(rain_amount)
• Heater voltage(heater_volts)
• Heater temperature(heater_temp)

• One minute average background level from NOy TEI(noy_pre)
• One minute sample flow average from NOx TEI (this varies as the PreR valve
  switches, so questionable)(nox_flow)
• One minute reaction temperature average from NOy TEI(noy_react_temp)
• One minute PMT voltage average from NOx TEI(nox_pmt_voltage)
• One minute PMT voltage average from NOy TEI(noy_pmt_voltage)
• One minute average reaction pressure from NOy TEI(noy_pressure)
• One minute chassis temperature average from NOy TEI(noy_internal_temp)
• One minute average reaction pressure from NOx TEI(nox_pressure)
• One minute sample flow average from NOy TEI (this varies as the PreR valve
  switches, so questionable)(noy_flow)
• One minute flow average from NOy TEI ozonator(noy_ozonator)
• One minute reaction temperature average from NOx TEI(nox_react_temp)
• One minute average from NOx TEI ozonator(nox_ozonator)
• No description given(inlet_conv_temp)
• One minute PMT temperature average from NOy TEI(noy_pmt_temp)
• One minute chassis temperature average from NOx TEI(nox_internal_temp)
• 10-m converter box temperature(inlet_temp)
• NOx instrument internal Mo conv temperature (sensor disconnected)(nox_conv_temp)
• One minute average background level from NOx TEI(nox_pre)
• One minute average of inlet MFC for the NOx channel(inlet_nox_mfc)
• One minute average of NOy values using nominal sensitivity correction and
  nominal Mo converter efficiency(noy)
• One minute average of NOx values(nox)
• NOy instrument internal Mo conv temperature (sensor disconnected)(noy_conv_temp)
• One minute PMT temperature average from the NOx TEI(nox_pmt_temp)
• One minute average of inlet MFC for the NOy channel(inlet_noy_mfc)
• One minute average of NO2 values calculated with nominal sensitivity correction
  and nominal BLC efficiency(no2)
• One minute average of NO values calculated with nominal sensitivity correction(no)

• Diffusion flow valve position(dilution_flow_valve_position)
• Dilution flow rate(dilution_flow)
• AOS PSAP3W transmittance, green channel(TrG)
• AOS PSAP3W transmittance, blue channel(TrB)
• AOS PSAP3W transmittance, red channel(TrR)
• Flow setpoint(dilution_flow_setpoint)
• AOS PSAP3W mass flow, mV(mass_flow_voltage)
• AOS PSAP3W flags(psap_flags)
• Aerosol light absorption coefficient, nominal blue wavelength at dry or
  reference RH(Ba_B_PSAP3W)
• AOS Ba_R_CLAP3W transmittance, red channel(transmittance_R)
• Aerosol light absorption coefficient, nominal green wavelength at dry or
  reference RH(Ba_G_PSAP3W)
• Mass flow(mass_flow)
• AOS PSAP3W transmittance, green channel(transmittance_G)
• Aerosol light absorption coefficient, nominal red wavelength at dry or reference
  RH(Ba_R_PSAP3W)
• AOS Ba_B_CLAP3W transmittance, blue channel(transmittance_B)
• Averaging time interval(averaging_time)
• Impactor setting in terms of aerodynamic diameter cut off(impactor_setting)

• Bin numbers for sweep measurements(bin)
• Dry aerosol diameter size instrument setting(dry_diameter_setting)
• Sampling mode scan type(scan_type)
• Dry aerosol particle relative humidity instrument setting(dry_rh_setting)
• Maximum aerosol particle diameter instrument setting(scan_max_diameter_setting)
• Minimum aerosol particle diameter instrument setting(scan_min_diameter_setting)
• Atomizer calibration status(atomizer)
• Bin center value(bin_center)
• Humid aerosol particle relative humidity(humid_rh)
• Humidified DMA scanning time instrument setting(scan_time_setting)
• Concentration of aerosol(aerosol_concentration)
• Sample flow rate(sample_flow)
• Total scan concentration over all bins(total_concentration)
• Bin width(bin_width)
• Number of bins stored in data block(num_bins)

• Aerosol total light scattering coefficient, nominal red wavelength at dry or
  reference RH(Bs_R_Dry_Neph3W_1)
• Aerosol total light scattering coefficient, nominal blue wavelength at dry or
  reference RH(Bs_B_Dry_Neph3W_1)
• Aerosol back-hemispheric light scattering coefficient, nominal green wavelength
  at dry or reference RH(Bbs_G_Dry_Neph3W_1)
• Relative humidity, reference nephelometer(RH_Neph_Dry)
• Pressure inside reference nephelometer(P_Neph_Dry)
• Impactor setting in terms of aerodynamic diameter cut off(impactor_setting)
• Sample temperature inside reference nephelometer(T_Neph_Dry)
• Aerosol total light scattering coefficient, nominal green wavelength at dry or
  reference RH(Bs_G_Dry_Neph3W_1)
• Temperature, reference nephelometer inlet(T_Neph_Inlet_Dry)
• Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength
  at dry or reference RH(Bbs_B_Dry_Neph3W_1)
• Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at
  dry or reference RH(Bbs_R_Dry_Neph3W_1)

• AOS CCN temperature of the optical particle counter(CCN_T_OPC)
• AOS CCN set point temperature for the optical particle counter (OPC)(CCN_OPC_set)
• AOS CCN set point temperature for the inlet manifold(CCN_inlet_set)
• AOS CCN set temperature for the Nafion humidifier(CCN_nafion_set)
• Temperature difference between CCN_t_set_TEC3 and CCN_t_set_TEC1(CCN_temperature_gradient)
• Cloud condensation nuclei number density(N_CCN)
• CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected
  problem(CCN_alarm_code)
• AOS CCN OPC laser current(CCN_laser_current)
• Number of particles that are larger than 10um(CCN_overflow)
• AOS CCN temperature of sample air at entrance to instrument(CCN_T_inlet)
• CCN Proportional valve voltage(CCN_proportional_valve_voltage)
• AOS CCN temperature of sample air entering the column(CCN_T_sample)
• AOS CCN volumetric flowrate of sample air(CCN_Q_sample)
• AOS CCN number concentration by bin(N_CCN_dN)
• AOS CCN set point for temperature at top of column(CCN_t_set_TEC1)
• AOS CCN voltage used by DMT for OPC diagnostic purposes(CCN_baseline_monitor)
• AOS CCN temperature of the nafion humidifier(CCN_T_nafion)
• AOS CCN set point for temperature at middle of column(CCN_t_set_TEC2)
• AOS CCN set point for temperature at bottom of column(CCN_t_set_TEC3)
• First stage monitor voltage(CCN_first_stage_monitor_voltage)
• Size of upper limit of each CCN bin(CCN_upper_size_limit)
• AOS CCN logical value, indicating whether the instrument has reached thermal
  gradient stabilization and is within 0.4 degrees C of the set point(CCN_temp_unstable_flag)
• AOS CCN observed temperature at top of column(CCN_t_read_TEC1)
• AOS CCN observed temperature at middle of column(CCN_t_read_TEC2)
• AOS CCN (read) temperature at bottom of column(CCN_t_read_TEC3)
• AOS CCN volumetric flowrate of sheath air(CCN_Q_sheath)
• Bin number of lowest channel of OPC include in summation of N_CCN(N_CCN_bin_number)
• AOS CCN sample pressure(CCN_P_sample)
• AOS CCN sample saturation setpoint value reported by instrument(CCN_ss_set)

• Carbon monoxide concentration(co)
• Ambient temperature of instrument(ambient_temperature)
• Measured water content(h2o)
• Cell sample pressure(gas_pressure)
• Carbon monoxide (CO) mixing ratio corrected for water vapor concentration and
  calculated with nominal sensitivity correction(co_dry)
• Nitrous oxide (N2O) mixing ratio corrected for water vapor concentration and
  calculated with nominal sensitivity correction(n2o_dry)
• Nitrous oxide (N2O) mixing ratio calculated with nominal sensitivity correction(n2o)
• Cell sample temperature(gas_temperature)

• Aerosol total light scattering coefficient, nominal red wavelength at ramped RH(Bs_R_Wet_Neph3W_2)
• Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at
  ramped RH(Bbs_R_Wet_Neph3W_2)
• Impactor setting in terms of aerodynamic diameter cut off(impactor_setting)
• Sample temperature inside humidified nephelometer(T_Neph_Wet)
• Aerosol total light scattering coefficient, nominal blue wavelength at ramped RH(Bs_B_Wet_Neph3W_2)
• Relative humidity, Humidograph nephelometer(RH_Neph_Wet)
• Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength
  at ramped RH(Bbs_B_Wet_Neph3W_2)
• Aerosol total light scattering coefficient, nominal green wavelength at ramped
  RH(Bs_G_Wet_Neph3W_2)
• Temperature, reference nephelometer inlet(T_Neph_Inlet_Wet)
• Pressure inside humidified nephelometer(P_Neph_Wet)
• Aerosol back-emispheric light scattering coefficient, nominal green wavelength
  at ramped RH(Bbs_G_Wet_Neph3W_2)

• OPC laser current(laser_current)
• Aerosol concentration averaged over times to match N_CCN(concentration)
• Cabinet temperature(cabinet_temp)
• Saturation temperature(saturation_temp)
• Orifice pressure(orifice_pressure)
• Optics temperature(optics_temp)
• Nozzle pressure(nozzle_pressure)
• Ambient Temperature(ambient_temp)
• Condensation temperature(condensation_temp)

• Ozone pressure(ozone_pressure)
• Ozone bench temperature(ozone_bench_temp)
• Ozone concentration(ozone)

• AOS Ba_R_CLAP3W transmittance, red channel(transmittance_R)
• AOS Ba_B_CLAP3W_1 (NOAA) sample length, needed to calculate Beers Law(sample_length)
• Impactor setting in terms of aerodynamic diameter cut off(impactor_setting)
• Diffusion flow valve position(dilution_flow_valve_position)
• Flow setpoint(dilution_flow_setpoint)
• Aerosol light absorption coefficient, nominal blue wavelength at dry or
  reference RH(Ba_B_PSAP3W)
• Aerosol light absorption coefficient, nominal green wavelength at dry or
  reference RH(Ba_G_PSAP3W)
• Dilution flow rate(dilution_flow)
• Aerosol light absorption coefficient, nominal red wavelength at dry or reference
  RH(Ba_R_PSAP3W)
• Mass flow(mass_flow)
• AOS Ba_B_CLAP3W transmittance, blue channel(transmittance_B)
• AOS PSAP3W transmittance, green channel(transmittance_G)