Breadcrumb Home Platforms & Instruments Airborne Instrumentation Aerosol Measurements Aerosol Measurements Description NSF NCAR GV NSF NCAR C-130 Condensation Nucleus (CN) Counter – (Butanol, low altitude only) ✓ ✓ Ultra-High Sensitivity Aerosol Spectrometer (UHSAS), 0.06 - 1 µm, aerosols ✓ ✓ Auto Giant Nuclei Impactor (GNI) (sea salt, 2-30 μm), 0.4 µm resolution, aerosols, salt ✓ Manual GNI Giant Aerosol Impactor (sea-salt, 2 – 32 μm range) ✓ Passive Cavity Aerosol Spectrometer Probe (PCASP) (0.1 – 3 μm range) ✓ ✓