PVC/AOS/S1 - Missing data

Data are missing and unrecoverable.

• -180.0 - +180.0(alt)
• North Latitude(lat)
• Absorption coefficient, blue wavelength, 3 wavelength PSAP, low RH, 10 um size
  cut(Ba_B_Dry_10um_PSAP3W_1)
• Absorption coefficient, blue wavelength, 3 wavelength PSAP, low RH, 1 um size
  cut(Ba_B_Dry_1um_PSAP3W_1)
• base time in epoch(base_time)
• Time offset from base_time(time_offset)
• AOS PSAP3W transmittance, blue channel(TrB)
• AOS PSAP3W transmittance, green channel(TrG)
• AOS PSAP3W transmittance, red channel(TrR)
• Absorption coefficient, green wavelength, 3 wavelength PSAP, low RH, 10 um size
  cut(Ba_G_Dry_10um_PSAP3W_1)
• time_in_seconds_since_volume_start(time)
• lon(lon)
• AOS PSAP3W flags(psap_flags)
• AOS PSAP3W mass flow, mV(mass_flow_voltage)
• Mass flow(mass_flow)
• Absorption Coefficient Red, corrected for flow and sample area, 3 wavelength
  PSAP, 10 um size cut(Ba_R_Dry_10um_PSAP3W_1)
• Absorption Coefficient Red, corrected for flow and sample area, 3 wavelength
  PSAP, 1 um size cut(Ba_R_Dry_1um_PSAP3W_1)
• Absorption coefficient green, corrected for flow and sample area, 3 wavelength
  PSAP, 1 um size cut(Ba_G_Dry_1um_PSAP3W_1)
• Averaging time interval(averaging_time)

• Instrument lamp setpoint(lamp_setpoint)
• Internal instrument temperature(internal_temp)
• Instrument sample state(gas_mode_state)
• SO2 flag string as an integer value(so2_flags)
• Instrument purge mode state(purge_mode_state)
• Sulfur dioxide (SO2) mixing ratio calculated with nominal sensitivity correction(so2)
• lon(lon)
• Instrument SO2 coefficient(so2_coefficient)
• PMT voltage(pmt_volt)
• Instrument PMT status(pmt_status)
• Main flow rate(flow)
• Time offset from base_time(time_offset)
• -180.0 - +180.0(alt)
• Reaction chamber temperature(reaction_chamber_temp)
• North Latitude(lat)
• Lamp voltage(lamp_volt)
• Instrument temperature compensation state(temperature_compensation_state)
• Length of each flag string in so2_flags field(length)
• Pressure compensation state(pressure_compensation_state)
• Averaging time interval(averaging_time)
• Measure of the current lamp intensity as a percentage of the nominal maximum(lamp_intensity)
• Derived pressure(pressure)
• Distance to the center of the corresponding range bin(range)
• Instrument SO2 background correction(so2_background_correction)
• Instrument flash lamp state(flash_lamp_state)
• Instrument automatic gain control(automatic_gain_control)
• Instrument test LED state(test_led)
• time_in_seconds_since_volume_start(time)
• base time in epoch(base_time)

• Rain intensity(rain_intensity)
• Reference voltage(ref_volts)
• Heater voltage(heater_volts)
• Rain amount(rain_amount)
• Heater temperature(heater_temp)
• Wind speed(WindSpeed)
• Supply voltage(supply_volts)
• Rain duration(rain_duration)
• base time in epoch(base_time)
• -180.0 - +180.0(alt)
• North Latitude(lat)
• Pressure of ambient air(P_Ambient)
• Ambient air temperature(T_Ambient)
• lon(lon)
• Wind Direction, relative to true North(WindDirection)
• Ambient air relative humidity(RH_Ambient)
• Time offset from base_time(time_offset)
• time_in_seconds_since_volume_start(time)

• Mean diameter of size distribution(mean)
• North Latitude(lat)
• Sample temperature(sample_temperature)
• Mean diameter of size distribution using a geometric average(geometric_mean)
• Sheath flow(sheath_flow)
• Aerosol flow rate(aerosol_flow)
• High voltage reading(high_voltage)
• CPC sample flow rate(CPC_sample_flow)
• -180.0 - +180.0(alt)
• Median diameter of size distribution(median)
• Standard deviation of mean diameter of size distribution using geometric average(geometric_mean_std)
• Lower size limit(lower_size)
• Gas viscosity(gas_viscosity)
• Bins for diameter midpoint measurements(diameter_midpoint)
• Total scan concentration over all bins(total_concentration)
• Sample pressure(sample_pressure)
• CPC inlet flow rate(CPC_inlet_flow)
• 50 percent cut-point diameter of the impactor(d50)
• Time offset from base_time(time_offset)
• time_in_seconds_since_volume_start(time)
• Low voltage reading(low_voltage)
• base time in epoch(base_time)
• Flag indicating aeri retrieval status(status_flag)
• Mean free path(mean_free_path)
• lon(lon)
• Number size distribution (dN/dlogDp)(number_size_distribution)
• Mode index(mode)

• Aerosol backwards-hemispheric light scattering coefficient, reference
  nephelometer red channel, 1 um particle diameter(Bbs_R_Dry_1um_Neph3W_1)
• Temperature at reference nephelometer inlet(T_NephInlet_Dry)
• Pressure inside reference nephelometer(P_Neph_Dry)
• Time offset from base_time(time_offset)
• Aerosol total light scattering coefficient, blue channel, 10 um size cut,
  reference three wavelength nephelometer(Bs_B_Dry_10um_Neph3W_1)
• Aerosol total light scattering coefficient, reference nephelometer red channel,
  1 um particle diameter(Bs_R_Dry_1um_Neph3W_1)
• lon(lon)
• Aerosol total light scattering coefficient, red channel, 10 um particle size(Bs_R_Dry_10um_Neph3W_1)
• Instrument flags, reference nephelometer(neph_dry_flags)
• Relative humidity, reference nephelometer(RH_Neph_Dry)
• Aerosol backwards-hemispheric light scattering coefficient, green channel, 1 um
  size cut, reference three wavelength nephelometer(Bbs_G_Dry_1um_Neph3W_1)
• Sample temperature inside reference nephelometer(T_Neph_Dry)
• Aerosol total light scattering coefficient, ref. humidograph nephelometer green
  channel, 1 um particle diameter(Bs_G_Dry_1um_Neph3W_1)
• base time in epoch(base_time)
• Aerosol backwards-hemispheric light scattering coefficient, blue channel, 10um(Bbs_B_Dry_10um_Neph3W_1)
• Back-scattering coefficient, green wavelength, low RH, 10 um size cut(Bbs_G_Dry_10um_Neph3W_1)
• Aerosol total light scattering coefficient, Ref. Humidograph nephelometer blue
  channel, 1 um particle diameter(Bs_B_Dry_1um_Neph3W_1)
• Aerosol backwards-hemispheric light scattering coefficient, blue channel, 1 um
  size cut, reference three wavelength nephelometer(Bbs_B_Dry_1um_Neph3W_1)
• North Latitude(lat)
• -180.0 - +180.0(alt)
• Aerosol total light scattering coefficient, reference nephelometer green
  channel, 10 um particle diameter(Bs_G_Dry_10um_Neph3W_1)
• time_in_seconds_since_volume_start(time)
• Aerosol backwards-hemispheric light scattering coefficient, red channel, 10um(Bbs_R_Dry_10um_Neph3W_1)

• Carbon monoxide concentration(co)
• Ambient temperature of instrument(ambient_temperature)
• Cell sample pressure(gas_pressure)
• Measured water content(h2o)
• Carbon monoxide (CO) mixing ratio corrected for water vapor concentration and
  calculated with nominal sensitivity correction(co_dry)
• base time in epoch(base_time)
• Time offset from base_time(time_offset)
• time_in_seconds_since_volume_start(time)
• Nitrous oxide (N2O) mixing ratio calculated with nominal sensitivity correction(n2o)
• Nitrous oxide (N2O) mixing ratio corrected for water vapor concentration and
  calculated with nominal sensitivity correction(n2o_dry)
• lon(lon)
• Cell sample temperature(gas_temperature)
• -180.0 - +180.0(alt)
• North Latitude(lat)

• North Latitude(lat)
• Ozone concentration(ozone)
• Time offset from base_time(time_offset)
• lon(lon)
• Ozone pressure(ozone_pressure)
• base time in epoch(base_time)
• Ozone bench temperature(ozone_bench_temp)
• time_in_seconds_since_volume_start(time)

• Time offset from base_time(time_offset)
• North Latitude(lat)
• lon(lon)
• base time in epoch(base_time)
• Mass concentration of chloride, ambient aerosol in air.(chloride)
• Mass concentration of ammonium, ambient aerosol in air(ammonium)
• time_in_seconds_since_volume_start(time)
• Mass concentration of nitrate, ambient aerosol in air(nitrate)
• Mass concentration of sulfate, ambient aerosol in air.(sulfate)
• Mass concentration of total organics, ambient aerosol in air(total_organics)
• -180.0 - +180.0(alt)

• AOS CCN set point for temperature at middle of column, second column(CCN_T_set_TEC2_2)
• AOS CCN voltage used by DMT for OPC diagnostic purposes, second column(CCN_baseline_monitor_2)
• time_in_seconds_since_volume_start(time)
• AOS CCN set point for temperature at middle of column, first CCN(CCN_T_set_TEC2_1)
• AOS CCN voltage used by DMT for OPC diagnostic purposes, first CCN(CCN_baseline_monitor_1)
• -180.0 - +180.0(alt)
• North Latitude(lat)
• AOS CCN volumetric flowrate of sheath air, second CCN(CCN_Q_sheath_2)
• AOS CCN volumetric flow rate of sheath air, first column(CCN_Q_sheath_1)
• AOS CCN set point for temperature at top of column, first column(CCN_T_set_TEC1_1)
• AOS CCN set point for temperature at top of column, second column(CCN_T_set_TEC1_2)
• First stage monitor voltage, second column(CCN_first_stage_monitor_voltage_2)
• First stage monitor voltage, first column(CCN_first_stage_monitor_voltage_1)
• AOS CCN Nafion temperature, second column(CCN_T_nafion_2)
• AOS CCN Nafion temperature, first CCN(CCN_T_nafion_1)
• AOS number concentration of CCN at supersaturation step 1(N_CCN_1)
• AOS number concentration of CCN at supersaturation step 2(N_CCN_2)
• CCN Proportional valve voltage, first column(CCN_proportional_valve_voltage_1)
• CCN Proportional valve voltage, second column(CCN_proportional_valve_voltage_2)
• AOS bin number of lowest channel of OPC include in summation of N_CCN, second
  column(N_CCN_bin_number_2)
• AOS bin number of lowest channel of OPC include in summation of N_CCN, first
  column(N_CCN_bin_number_1)
• AOS CCN set point for temperature at bottom of column, first CCN(CCN_T_set_TEC3_1)
• AOS CCN set point for temperature at bottom of column, second column(CCN_T_set_TEC3_2)
• AOS CCN sample pressure, first column(CCN_P_sample_1)
• AOS CCN sample pressure, second CCN(CCN_P_sample_2)
• CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected
  problem(CCN_alarm_code)
• AOS CCN set point temperature for the inlet manifold, first CCN(CCN_inlet_set_1)
• AOS CCN set point temperature for the inlet manifold, second CCN(CCN_inlet_set_2)
• AOS CCN sample saturation setpoint value reported by instrument, second CCN(CCN_ss_set_2)
• AOS CCN sample saturation setpoint value reported by instrument, first CCN(CCN_ss_set_1)
• AOS CCN temperature of sample air entering the column, first column(CCN_T_sample_1)
• AOS CCN temperature of sample air entering the column, second column(CCN_T_sample_2)
• Size of upper limit of each CCN bin(CCN_upper_size_limit)
• AOS CCN temperature of the optical particle counter, first column(CCN_T_OPC_1)
• base time in epoch(base_time)
• AOS CCN temperature of the optical particle counter, second column(CCN_T_OPC_2)
• AOS CCN observed temperature at top of column, first CCN(CCN_T_read_TEC1_1)
• AOS CCN observed temperature at top of column, second CCN(CCN_T_read_TEC1_2)
• AOS CCN volumetric flowrate of sample air, first CCN(CCN_Q_sample_1)
• CCN temperature gradient, second CCN(CCN_temperature_gradient_2)
• CCN temperature gradient, first CCN(CCN_temperature_gradient_1)
• AOS CCN volumetric flowrate of sample air, second CCN(CCN_Q_sample_2)
• AOS CCN set temperature for the Nafion humidifier, second CCN(CCN_nafion_set_2)
• AOS CCN set temperature for the Nafion humidifier, first CCN(CCN_nafion_set_1)
• AOS CCN set point temperature for the optical partical counter (OPC), second CCN(CCN_OPC_set_2)
• AOS CCN set point temperature for the optical partical counter (OPC), first CCN(CCN_OPC_set_1)
• AOS CCN observed temperature at middle of column, second column(CCN_T_read_TEC2_2)
• Time offset from base_time(time_offset)
• AOS CCN observed temperature at middle of column, first column(CCN_T_read_TEC2_1)
• AOS CCN OPC laser current, first column(CCN_laser_current_1)
• AOS CCN OPC laser current, second column(CCN_laser_current_2)
• AOS CCN number concentration by bin, second CCN(N_CCN_dN_2)
• AOS CCN droplet count by bin size, first column(N_CCN_dN_1)
• AOS CCN (read) temperature at bottom of column, first CCN(CCN_T_read_TEC3_1)
• Number of particles that are larger than 10um, first column(CCN_overflow_1)
• AOS CCN (read) temperature at bottom of column, second CCN(CCN_T_read_TEC3_2)
• Number of particles that are larger than 10um, second column(CCN_overflow_2)
• Hexadecimal flag, non-zero value means instrument is not operating stably, first
  CCN(CCN_temp_unstable_flag_1)
• AOS CCN temperature of sample air at entrance to instrument, first_column(CCN_T_inlet_1)
• AOS CCN temperature of sample air at entrance to instrument, second CCN(CCN_T_inlet_2)
• Hexadecimal flag, non-zero value means instrument is not operating stably,
  second CCN(CCN_temp_unstable_flag_2)
• lon(lon)

• One minute average of inlet MFC for the NOx channel(inlet_nox_mfc)
• One minute reaction temperature average from NOy TEI(noy_react_temp)
• One minute average reaction pressure from NOx TEI(nox_pressure)
• One minute reaction temperature average from NOx TEI(nox_react_temp)
• One minute PMT temperature average from NOy TEI(noy_pmt_temp)
• lon(lon)
• Time offset from base_time(time_offset)
• One minute average background level from NOy TEI(noy_pre)
• One minute average of NO values calculated with nominal sensitivity correction(no)
• 10-m converter box temperature(inlet_temp)
• One minute average of NO2 values calculated with nominal sensitivity correction
  and nominal BLC efficiency(no2)
• One minute average of NOx values(nox)
• One minute average of NOy values using nominal sensitivity correction and
  nominal Mo converter efficiency(noy)
• One minute average background level from NOx TEI(nox_pre)
• NOx instrument internal Mo conv temperature (sensor disconnected)(nox_conv_temp)
• base time in epoch(base_time)
• One minute PMT temperature average from the NOx TEI(nox_pmt_temp)
• NOy instrument internal Mo conv temperature (sensor disconnected)(noy_conv_temp)
• One minute average reaction pressure from NOy TEI(noy_pressure)
• One minute average from NOx TEI ozonator(nox_ozonator)
• One minute sample flow average from NOy TEI (this varies as the PreR valve
  switches, so questionable)(noy_flow)
• One minute PMT voltage average from NOx TEI(nox_pmt_voltage)
• One minute PMT voltage average from NOy TEI(noy_pmt_voltage)
• No description given(inlet_conv_temp)
• One minute sample flow average from NOx TEI (this varies as the PreR valve
  switches, so questionable)(nox_flow)
• One minute average of inlet MFC for the NOy channel(inlet_noy_mfc)
• -180.0 - +180.0(alt)
• North Latitude(lat)
• time_in_seconds_since_volume_start(time)
• One minute chassis temperature average from NOy TEI(noy_internal_temp)
• One minute chassis temperature average from NOx TEI(nox_internal_temp)
• One minute flow average from NOy TEI ozonator(noy_ozonator)

• time_in_seconds_since_volume_start(time)
• North Latitude(lat)
• CCN Proportional valve voltage(CCN_proportional_valve_voltage)
• -180.0 - +180.0(alt)
• Number of particles that are larger than 10um(CCN_overflow)
• AOS CCN number concentration by bin(N_CCN_dN)
• First stage monitor voltage(CCN_first_stage_monitor_voltage)
• AOS CCN sample pressure(CCN_P_sample)
• Bin number of lowest channel of OPC include in summation of N_CCN(N_CCN_bin_number)
• Temperature difference between CCN_t_set_TEC3 and CCN_t_set_TEC1(CCN_temperature_gradient)
• lon(lon)
• AOS CCN sample saturation setpoint value reported by instrument(CCN_ss_set)
• CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected
  problem(CCN_alarm_code)
• AOS CCN set point temperature for the inlet manifold(CCN_inlet_set)
• 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 volumetric flowrate of sheath air(CCN_Q_sheath)
• AOS CCN voltage used by DMT for OPC diagnostic purposes(CCN_baseline_monitor)
• AOS CCN set point for temperature at top of column(CCN_t_set_TEC1)
• AOS CCN observed temperature at top of column(CCN_t_read_TEC1)
• AOS CCN (read) temperature at bottom of column(CCN_t_read_TEC3)
• AOS CCN observed temperature at middle of column(CCN_t_read_TEC2)
• AOS CCN temperature of the optical particle counter(CCN_T_OPC)
• 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)
• Cloud condensation nuclei number density(N_CCN)
• base time in epoch(base_time)
• 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 sample air entering the column(CCN_T_sample)
• Time offset from base_time(time_offset)
• AOS CCN set point temperature for the optical particle counter (OPC)(CCN_OPC_set)
• AOS CCN set temperature for the Nafion humidifier(CCN_nafion_set)
• AOS CCN temperature of the nafion humidifier(CCN_T_nafion)
• AOS CCN OPC laser current(CCN_laser_current)
• Size of upper limit of each CCN bin(CCN_upper_size_limit)

• North Latitude(lat)
• lon(lon)
• time_in_seconds_since_volume_start(time)
• Time offset from base_time(time_offset)
• base time in epoch(base_time)
• Sample temperature(sample_temperature)
• Sample relative humidity(sample_rh)
• -180.0 - +180.0(alt)

• Condensation temperature(condensation_temp)
• lon(lon)
• Saturation temperature(saturation_temp)
• Orifice pressure(orifice_pressure)
• OPC laser current(laser_current)
• North Latitude(lat)
• -180.0 - +180.0(alt)
• Ambient Temperature(ambient_temp)
• Aerosol concentration averaged over times to match N_CCN(concentration)
• Cabinet temperature(cabinet_temp)
• Nozzle pressure(nozzle_pressure)
• Optics temperature(optics_temp)
• base time in epoch(base_time)
• Time offset from base_time(time_offset)
• time_in_seconds_since_volume_start(time)

• Aerosol backwards-hemispheric light scattering coefficient, blue channel, 10 um
  size cut, wet three wavelength nephelometer(Bbs_B_Wet_10um_Neph3W_2)
• Back-scattering coefficient, green wavelength, high RH, 1 um size cut(Bbs_G_Wet_1um_Neph3W_2)
• Temperature at wet nephelometer inlet(T_NephInlet_Wet)
• Sample temperature inside humidified nephelometer(T_Neph_Wet)
• Aerosol backwards-hemispheric light scattering coefficient, Humidograph
  nephelometer blue channel, 1 um particle diameter(Bbs_B_Wet_1um_Neph3W_2)
• time_in_seconds_since_volume_start(time)
• Relative humidity, Humidograph nephelometer(RH_Neph_Wet)
• -180.0 - +180.0(alt)
• North Latitude(lat)
• Aerosol total light scattering coefficient, blue channel, 10 um size cut, wet
  three wavelength nephelometer(Bs_B_Wet_10um_Neph3W_2)
• lon(lon)
• Aerosol total light scattering coefficient, humidograph nephelometer blue
  channel, 1 um particle diameter(Bs_B_Wet_1um_Neph3W_2)
• Pressure inside humidified nephelometer(P_Neph_Wet)
• Time offset from base_time(time_offset)
• Aerosol total light scattering coefficient, Humidograph nephelometer green
  channel, 1 um particle diameter(Bs_G_Wet_1um_Neph3W_2)
• Instrument flags, Humidograph nephelometer(neph_wet_flags)
• Aerosol backwards-hemispheric light scattering coefficient, Humidograph
  nephelometer green channel, 10 um particle diameter(Bbs_G_Wet_10um_Neph3W_2)
• Aerosol backwards-hemispheric light scattering coefficient, humidograph
  nephelometer red channel, 10 um particle diameter(Bbs_R_Wet_10um_Neph3W_2)
• base time in epoch(base_time)
• Aerosol total light scattering coefficient, Humidograph nephelometer red
  channel, 1 um particle diameter(Bs_R_Wet_1um_Neph3W_2)
• Aerosol total light scattering coefficient, Humidograph nephelometer green
  channel, 10 um particle diameter(Bs_G_Wet_10um_Neph3W_2)
• Aerosol total light scattering coefficient, Humidograph nephelometer red
  channel, 10 um particle diameter(Bs_R_Wet_10um_Neph3W_2)
• Back-scattering coefficient, red wavelength, high RH, 1 um size cut(Bbs_R_Wet_1um_Neph3W_2)

• Purge flow(purge_flow)
• lon(lon)
• Reference(reference)
• time_in_seconds_since_volume_start(time)
• North Latitude(lat)
• -180.0 - +180.0(alt)
• Sample pressure(sample_pressure)
• Upper particle size limit for each bin(upper_size_limit)
• Current(current)
• Temperature used for calculation(temperature)
• Main flow rate(flow)
• Sheath flow(sheath_flow)
• Time offset from base_time(time_offset)
• Unit temperature(unit_temperature)
• Scatter signal(scattering_voltage)
• Auxiliary measurement, not implemented(auxiliary)
• Bin number(bin_num)
• base time in epoch(base_time)
• Particle size distribution(size_distribution)
• Sample volume(sampling_volume)
• Lower particle size limit for each bin(lower_size_limit)
• Differential_voltage, see instrument manual(differential_voltage)

• lon(lon)
• -180.0 - +180.0(alt)
• North Latitude(lat)
• Cabinet temperature(cabinet_temp)
• Aerosol concentration averaged over times to match N_CCN(concentration)
• OPC laser current(laser_current)
• Orifice pressure(orifice_pressure)
• base time in epoch(base_time)
• time_in_seconds_since_volume_start(time)
• Ambient Temperature(ambient_temp)
• Nozzle pressure(nozzle_pressure)
• Condensation temperature(condensation_temp)
• Saturation temperature(saturation_temp)
• Optics temperature(optics_temp)
• Time offset from base_time(time_offset)