XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

begin_of_head ================================================
model name     : xxxxxxxxxxxxxxxxx
model year     : yyyy
model type     : hybrid
data type      : quasi-geoid
data format    : grid
data units     : meters
data ordering  : N-to-S, W-to-E
ref ellipsoid  : GRS80
ref frame      : ETRS89/D96
height datum   : SVS2010
tide system    : mean-tide
coord type     : geodetic
coord units    : deg
map projection : ---
EPSG code      : zzzz
lat min        =   45.000000
lat max        =   47.000000
lon min        =   13.000000
lon max        =   17.000000
delta lat      =    0.008333
delta lon      =    0.012500
nrows          =         241
ncols          =         321
nodata         =  -9999.0000
creation date  =  zzzzzzzzzz
ISG format     =         2.0
end_of_head ==================================================
