NAMMA Aerosol OPC Parameter Files 	last revised on 3-15-07
Langley Aerosol Research Group
Bruce Anderson, Gao Chen, Lee Thornhill, and Eddie Winstead
MS 483, NASA Langley Research Center, Hampton VA
Data Contact Person: Lee Thornhill, k.l.thornhill@larc.nasa.gov

Time resolution = 30 seconds

Variables:
0.  Time		seconds		UTC seconds (from ICATS feed)	
1.  Latitude		deg 		from ICATS feed
2.  Longitude		deg 		from ICATS feed
3.  Altitude		ft		from ICATS feed
4.  Ambient Temp	deg C		Static Air Temperature (from ICATS feed)
5.  Ambient Pressure	mb		Static Air Pressure (from ICATS feed)
6.  System Temp		deg C   	System Temperature (from TSI Nephelometer)
7.  System Press	mb		System Pressure (from TSI Nephelometer)
8.  System RH		%		System Relative Humidity (from TSI Nephelometer)
9.  intN		#/cm3		integrated Number Density
10. intA		um2/cm3		integrated Surface Area
11. intV		um3/cm3		integrated Volume Density
12-19 Ni		#/cm3		Geometric Binned Concentrations

Data Flags
-999.0 = Data Missing
-888.0 = Data flagged as questionable or below detection limits

Notes:	
1. Geometric Bin Sizes (in micrometers (um)) = 
n0 = 0.3
n1 = 0.5
n2 = 0.7
n3 = 1.0
n4 = 2.0
n5 = 5.0
n6 = 7.0
n7 = 10.0