ASI/PSAP/M1 - Transmittance less than vendor threshold

Periods greater than 1 hour where the transmittance is less than 0.7. This is the 
threshold by the vendor for valid data.  Other gaps in data greater than 1 hour are also 
included.

Do not use data

• Impactor state in terms of aerodynamic diameter cut off(impactor_state)
• Spot size area(spot_size_area)
• Aerosol light absorption coefficient, green channel at dry or reference RH(Ba_G_Weiss)
• Transmittance, red channel(transmittance_red)
• Volume of air through each filter corrected for dilution(sample_volume)
• Instrument flow rate(sample_flow_rate)
• Transmittance, blue channel(transmittance_blue)
• Transmittance, green channel(transmittance_green)
• Uncorrected aerosol light absorption coefficient, green channel at dry or
  reference RH(Ba_G_raw)
• Aerosol light absorption coefficient, red channel at dry or reference RH(Ba_R_Weiss)
• Uncorrected aerosol light absorption coefficient, red channel at dry or
  reference RH(Ba_R_raw)
• Uncorrected aerosol light absorption coefficient, blue channel at dry or
  reference RH(Ba_B_raw)
• Aerosol light absorption coefficient, blue channel at dry or reference RH(Ba_B_Weiss)

• Transmittance, red channel(transmittance_red)
• Impactor state in terms of aerodynamic diameter cut off(impactor_state)
• Volume of air through each filter corrected for dilution(sample_volume)
• Uncorrected aerosol light absorption coefficient, blue channel at dry or
  reference RH(Ba_B_raw)
• Filter state(filter_unstable)
• Spot size area(spot_size_area)
• Aerosol light absorption coefficient, green channel at dry or reference RH(Ba_G_Weiss)
• Aerosol light absorption coefficient, red channel at dry or reference RH(Ba_R_Weiss)
• Uncorrected aerosol light absorption coefficient, red channel at dry or
  reference RH(Ba_R_raw)
• Uncorrected aerosol light absorption coefficient, green channel at dry or
  reference RH(Ba_G_raw)
• Transmittance, blue channel(transmittance_blue)
• Instrument flow rate(sample_flow_rate)
• Transmittance, green channel(transmittance_green)
• Aerosol light absorption coefficient, blue channel at dry or reference RH(Ba_B_Weiss)
• Dilution correction factor(dilution_correction_factor)

• Impactor state in terms of aerodynamic diameter cut off(impactor_state)
• PSAP3W front panel transmittance relative to new filter, green channel(tr_green)
• AOS PSAP3W transmittance, green channel(TrG)
• Averaging time interval(averaging_time)
• AOS PSAP3W mass flow, mV(mass_flow_voltage)
• Mass flow(mass_flow)
• AOS PSAP3W transmittance, red channel(TrR)
• Flow setpoint(dilution_flow_setpoint)
• Spot size area(spot_size_area)
• Impactor setting in terms of aerodynamic diameter cut off(impactor_setting)
• Normalization factor for red transmittance, resets with each filter change(transmittance_red_normalization_factor)
• Transmittance, green channel(transmittance_green)
• Dilution flow rate(dilution_flow)
• Normalization factor for green transmittance, resets with each filter change(transmittance_green_normalization_factor)
• Transmittance, blue channel(transmittance_blue)
• seconds since last impactor transition(seconds_after_transition)
• Aerosol light absorption coefficient, nominal green wavelength at dry or
  reference RH(Ba_G_PSAP3W)
• Light absorbance, red channel(absorbance_red)
• AOS PSAP3W transmittance, blue channel(TrB)
• Light absorbance, blue channel(absorbance_blue)
• Aerosol light absorption coefficient, nominal red wavelength at dry or reference
  RH(Ba_R_PSAP3W)
• Dilution correction factor(dilution_correction_factor)
• Normalization factor for blue transmittance, resets with each filter change(transmittance_blue_normalization_factor)
• Transmittance, green channel, not normalized(transmittance_green_raw)
• PSAP3W front panel transmittance relative to new filter, red channel(tr_red)
• Transmittance, blue channel, not normalized(transmittance_blue_raw)
• Light absorbance, green channel(absorbance_green)
• Filter state(filter_unstable)
• PSAP3W front panel transmittance relative to new filter, blue channel(tr_blue)
• Transmittance, red channel(transmittance_red)
• Aerosol light absorption coefficient, nominal blue wavelength at dry or
  reference RH(Ba_B_PSAP3W)
• AOS PSAP3W transmittance, green channel(transmittance_G)
• Transmittance, red channel, not normalized(transmittance_red_raw)
• AOS Ba_R_CLAP3W transmittance, red channel(transmittance_R)
• Instrument flow rate(sample_flow_rate)
• AOS Ba_B_CLAP3W transmittance, blue channel(transmittance_B)
• Diffusion flow valve position(dilution_flow_valve_position)
• AOS PSAP3W flags(psap_flags)

• Filter ID, increments for each new filter(filter_id)
• AOS Ba_B_CLAP3W transmittance, blue channel(transmittance_B)
• AOS PSAP3W transmittance, green channel(transmittance_G)
• Diffusion flow valve position(dilution_flow_valve_position)
• Aerosol light absorption coefficient, nominal green wavelength at dry or
  reference RH(Ba_G_PSAP3W)
• psap3w flow rate(psap_flow_rate)
• Flow setpoint(dilution_flow_setpoint)
• Mass flow(mass_flow)
• Dilution flow rate(dilution_flow)
• Aerosol light absorption coefficient, nominal blue wavelength at dry or
  reference RH(Ba_B_PSAP3W)
• AOS Ba_R_CLAP3W transmittance, red channel(transmittance_R)
• Impactor setting in terms of aerodynamic diameter cut off(impactor_setting)
• AOS Ba_B_CLAP3W_1 (NOAA) sample length, needed to calculate Beers Law(sample_length)
• Aerosol light absorption coefficient, nominal red wavelength at dry or reference
  RH(Ba_R_PSAP3W)

• (Raw data stream - documentation not supported)