---------------------------------------------------------------------------------
              Database                                    FIXED LENGTH SECTION
              --------
FSL           'FSL' or 'AWIPS'
---------------------------------------------------------------------------------
              Time Window (use 0,0,0 for default)         FIXED LENGTH SECTION
              -----------
0             Number of minutes relative to nominal time at which to start window
0             Number of minutes relative to nominal time at which to end window
0             0 - return all records within the file containing nominal time
              1 - return one record per fixed station, closest to nominal time
              2 - return one record per fixed station, closest to start of window
              3 - return one record per fixed station, closest to end of window
              4 - return all records within *window*
---------------------------------------------------------------------------------
              Domain Filter                               FIXED LENGTH SECTION
              -------------
0             0 - don't filter
              1 - return stations within latitude/longitude corners
              2 - return stations within specified Polar Stereographic grid
              3 - return stations within specified Lambert Conformal Conic grid

              Latitude/Longitude Corners (lines skipped if not Domain Filter 1)
              --------------------------
37.0          SW corner latitude (north)   
-109.0        SW corner longitude (east)
41.0          NE corner latitude (north)
-102.0        NE corner longitude (east)

              Polar Stereo Specification (lines skipped if not Domain Filter 2)
              --------------------------
190500.0      Grid box size (meters)
7.838         Latitude (north) of 1st grid point (lower left = SW)
-141.028      Longitude (east) of 1st grid point (lower left = SW)
-95.0         Orientation longitude (east)                 
33.0          I-coordinate of pole
45.0          J-coordinate of pole
60.0          Lat (north) at which X-Y scale is true
65            Number of grid points in X-direction (I dimension)
43            Number of grid points in Y-direction (J dimension)

              Lambert Conformal Conic Specification (lines skipped if not Domain Filter 3)
              -------------------------------------
40635.25      Grid box size (meters)
12.19         Latitude (north) of 1st grid point (lower left = SW)
-133.459      Longitude (east) of 1st grid point (lower left = SW)
-95.0         Orientation longitude (east)
25.0          Latitude (north) of first Lambert Conformal tangent
25.0          Latitude (north) of second Lambert Conformal tangent
185           Number of grid points in X-direction (I dimension)
129           Number of grid points in Y-direction (J dimension)
---------------------------------------------------------------------------------
              QC Filter                                   FIXED LENGTH SECTION    
              ---------
0              0 - none
               1 - coarse
               2 - screened
              99 - highest possible
---------------------------------------------------------------------------------
	      Time Selection                              FIXED LENGTH SECTION
              --------------
1             0 - Julian format (YYJJJHHMM)
              1 - Month/Day format (YYYYMMDD_HHMM)
0             0 - Use the nominal time line below
              1 - Use the current time as the nominal time
20090903_1200 Nominal time (in selected format)
---------------------------------------------------------------------------------
	      Station Selection                           FIXED LENGTH SECTION
              -----------------
0             0 - Get all stations
              1 - Get only the station whose name is on the next line
PLTC2         Single station name
---------------------------------------------------------------------------------
              Variables (1-4 per line, until end of file) VARIABLE LENGTH SECTION
              --------- (see doc/npn_variable_list.txt)
DD     
FF     
U      
V      
W      
FFSDEV 
WSDEV  
HT     
P      
CNUMN  
SGPWRN 
RAVELN 
VELVRN 
CNUME  
SGPWRE 
RAVELE 
VELVRE 
CNUMV  
SGPWRV 
RAVELV 
VELVRV 
CNUMEN 
LEVTYPE
DDL    
FFL    
UL     
VL     
WL     
FFSDEVL
WSDEVL 
HTL    
PL     
CNUMNL 
SGPWRNL
RAVELNL
VELVRNL
CNUMEL 
SGPWREL
RAVELEL
VELVREL
CNUMVL 
SGPWRVL
RAVELVL
VELVRVL
CNUMENL
DDH    
FFH    
UH     
VH     
WH     
FFSDEVH
WSDEVH 
HTH    
PH     
CNUMNH 
SGPWRNH
RAVELNH
VELVRNH
CNUMEH 
SGPWREH
RAVELEH
VELVREH
CNUMVH 
SGPWRVH
RAVELVH
VELVRVH
CNUMENH
ABAN   
ABEN   
ABAE   
ABEE   
ABAV   
ABEV   
