Project #2002-111 IDEAS Phase 1

Instrument Development and Education in Airborne Science

J. Stith, et al.

NSF/NCAR C-130Q Hercules (N130AR)


CN Comparison from Cynthia Twohy


Click here to display an Acrobat pdf file with a plot from RF01 showing that the RAF CNC (dk blue, concn) and the CVI CNC (red, cnc1), while sampling on ambient air, agree within about 10%, while the borrowed CNC (lt blue, concn1) reads higher much of the time. One possibility is that concn1 is measuring smaller particles, although all 3 CNCs are the same model (TSI 3760). Step changes are times when the inlets were changed.
Last update: Mon Apr 7 17:10:57 MDT 2003