GRIP Aerosol OPC Parameter Files 	
Langley Aerosol Research Group
Bruce Anderson, Gao Chen, Lee Thornhill, Andreas Beyersdorf, Luke Ziemba and Eddie Winstead
MS 483, NASA Langley Research Center, Hampton VA
Data Contact Person: Lee Thornhill, kenneth.l.thornhill@nasa.gov

Time resolution = 30 seconds

Last Revised = September 2010

Variables:
   Time			seconds		UTC seconds (from REVEAL feed)	
   Day of Year	 			from REVEAL feed
   Altitude		ft		from REVEAL feed
   Ambient Pressure	mb		Static Air Pressure (from REVEAL feed)
   Ambient Temp		K		Static Air Temperature (from REVEAL feed)
   intN			#/cm3		integrated Number Density
   intA			um2/cm3		integrated Surface Area
   intV			um3/cm3		integrated Volume Density
   8 Size Bins		#/cm3		Geometrically Sized Binned Concentrations

Data Flags
-999.0 = Data Missing

Notes:	
1. Geometric Bin Sizes (in micrometers (um)) = 
n0 = 0.3
n1 = 0.4
n2 = 0.5
n3 = 0.7
n4 = 1.0
n5 = 1.3
n6 = 1.7
n7 = 2.3