UNIVERSITY OF WISCONSIN
		HIGH SPECTRAL RESOLUTION LIDAR IMAGES

		Paivi Piironen, paivi@hsrl.ssec.wisc.edu
		Edwin W. Eloranta, eloranta@lidar.ssec.wisc.edu


This file gives explanations for files saved
in anonymous ftp directories pub/wisconsin.

These pictures provide quick look for High Spectral 
Resolution Lidar data. More detailed images/results 
are provided by request. If any questions or requests,
contact the authors. 

All files are organized in subdirectories DDMMYY, where
DD=day, MM=month, YY=year (-1900)

HSRL image files are named as  HHMMABCD.CC.gif, where 
	HH = hour in UT
	MM = minute
	A  = field of fiew: N = Narrow Field of View
			    W = Wide Field of View
	BC = data type:     R = raw data
			    I = inverted data
	                    A = aerosol (for inverted and depol. data)
			    C = combined
			(see list below)
	D  = polarization:  D = depolarization
			    L = parallel polarization data
			    X = cross polarized data
	CC = color enhancement: rb = rainbow
				bw = black and white
				bb = black and brown
	
Complete listing of ABCD-extension is listed below
   ABCD  Description         Comment (most common data types)
   ----  ---------------     -----------------------------
   NRML  I2 Aer Rej Pll
   NRMX  I2 Aer Rej Ppd
   NRAL  I2 Mol Rej Pll
   NRAX  I2 Mol Rej Ppd 
   NRCL  Aer + Mol Pll       Narrow field of view combined channel
   NRCX  Aer + Mol Ppd 
   NRAL  Aer Pll              
   NRAX  Aer Ppd
   NRML  Mol Pll
   NRMX  Mol Ppd
   WRCL  WFOV Pll
   WRCX  WFOV Ppd 
   NRA_  Aer
   NRM_  Mol 
   WRC_  WFOV 
   NRAD  Aer Depol           Narrow field of view depolarization
                             of combined channel
   NRMD  Mol Depol 
   WRCD  WFOV Depol 
   ____  Unknown 
   NBX_  BS X-Sec 
   NXX_  Ext X-Sec 
   NBP_  BS Phase 
   NOD_  Opt Depth
   WRML  Mol-FOV Pll 
   WRMX  Mol-FOV Ppd 
   WRM_  Mol-FOV 


NOTE:	These pictures were generated by the Univ. of Wisconsin
	Lidar Group. Any reproduction or publication of these
	images must acknowledge the source. 

NOTE: 	Gaps and discontinuities in pictures occur during
	calibration and alignement. 

NOTE:	Two horizontal lines at about 300 m show
	signals from calibration system used for
	monitoring system performance during operation. 


-------------------- SATELLITE IMAGES -------------------------------------


Each HSRL image directory has also GOES-8 infrared channel (4)
gif-images for the experiment. These pictures were produced 
with McIdas data system and the corresponding data is stored for 
further analysis. Files are named as 

	g8_MMDDYY_HHMM.gif

Directory pub/wisconsin/goes8 consists of latest GOES-8 imagery.
Images are originally grabbed from anonymous ftp-account on 
ftp.ssec.wisc.edu directory gopher/gsdc.d/realtime-8.d and
cut to show surroundings of Wisconsin only. 
All still-images are in PGM-format and compressed with UNIX compress 
program. All movie loops are MPEG-files. 

	File			Description
	---------------------------------------------------------------
	lasthour.pgm.Z		Two of latest infrared images
	vis.pgm.Z		Latest visible image
	watervapor.pgm.Z	Latest watervapor channel image
	goes8wi.mpg		Latest 5-hour loop of infrared images
	goes8wi_vis.mpg		Latest 5-hour loop of visible images
	goes8wi_wv.mpg		Latest 5-hour loop of watervapor images



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|	HIGH SPECTRAL RESOLUTION LIDAR					      |
|	OPERATIONS 							      |
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Days and times are in UT.

Measured parameter explanations: 
			B = aerosol backscatter cross section
			D = depolarization
			O = optical depth
			P = particle size 

		Operations

day		start	end	param.	data type 
-----------------------------------------------------------------

21-May-95	15:29	16:20	BDOP	Clear air aerosols