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)   ✓