Table A4b. FAAM BAE146-301 Aircraft Instrumentation for Aerosol and Ancillary Data Measurements Species/Parameter Reference Technique Averaging Time Detection Limit osition, winds, u,v,w ... INS, GPS, 5 port turbulence probe 0.1 s ~0.01 Deltap/Ps Black carbon particle soot absorption photometer CCN Stolzenburg and McMurry [1991] condensation particle counter 1 s 0 cm-3 Aerosol bulk composition Jayne et al. [2000] aerosol mass spectrometer (AMS) 30 s 15-150 ng m-3 (species-dependent) NO2 photolysis j(NO2 Junkerman et al. [1989] and Volz-Thomas et al. [1996] fixed bandwidth radiometry 1 s ... O3 photolysis j(O1D) Junkerman et al. [1989] and Volz-Thomas et al. [1996] fixed bandwidth radiometry 1 s ...