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Old 1st Nov 2010, 12:01
  #2329 (permalink)  
grity
 
Join Date: Oct 2009
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grit spacing
@machinbird, the grid spacing in direktion latitude is 1 minute of angle = 1 nautical mile = 1852 meter
the grit spacing in direktion longitude at this latitude is nearly the same (cos 2.6 *1852=1850 meter)
grity
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