FANR3800


GPS

  Global Positioning System (GPS) About: The 24 satellites that make up the GPS space segment are orbiting the earth 11,000 to 12,000 miles above us. They are constantly moving, making two complete orbits in less than 24 hours. These satellites are travelling at speeds of roughly 7,000 miles an […]


http://www.ufst.org/resources/US_UTM_Zones.png

Projections Crib Notes – Lowe

  (http://www.gsd.harvard.edu/gis/manual/projections/) Things you should know about coordinate systems and ArcGIS: In ArcMap, the coordinate system consists of a projection, a datum, and a unit of measure. To make things easy for the user, ArcMap has many of them already defined in the software. Latitude/Longitude is considered an unprojected coordinate system […]