danielwAdministrator
(Moderator)
Mon Jul 11 2005 01:53 AM
Latitude and Longitude

Great explanation from all of you.
I just use 65 miles per degree, for a rough guess in the tropics.
There are 3 differrent Lat Long sets used in the USA and at least 1 in the miiitary.

dd mm'sss"-marine and land maps
dd mm.mmm-aircraft
dd.dddd- decimal group-NHC and NWS

Military used the UTM Grid I believe.


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