
Enter limits(degrees): north south west east
(longitudes 0-360, unless crossing prime meridian)
Input Sequential Binary Data File : egm2008.dat
Output Extracted Ascii Data File : OUTPUT.DAT
Geometry of Extracted Grid:
Latitude of northern-most points =  -21.00000S (Degrees).
Latitude of southern-most points =  -56.00000S (Degrees).
Longitude of western-most points =  -74.00000W (Degrees).
Longitude of eastern-most points =  -53.00000W (Degrees).
                Latitude spacing =    1.00000 (Minutes).
               Longitude spacing =    1.00000 (Minutes).
  2101 Rows x   1261 Columns of values output.
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