Title: GPS Information Center : What Is UTM?
Headings: Today's Navigation Standard
UTM
Universal Transverse Mercator Grid
Today's Navigation Standard
First There Was 'Latitude' And 'Longitude' Map Coordinates
Then Came Flat Thinking Grid Technology!
The New Universal, International Map Standard - 'UTM'
UTM, Today's Map Standard!
Today's Modern Navigator's Standard Tools
UTM Use Is Easy!
Finding A Set Of UTM Coordinates For Any Given Point On A Map:
Determine The UTM Zone Number From Map
Determine The UTM Zone Letter From Map
Measure Distance In Meters To The Point, Starting From The Bottom Left Corner Up To The Point; Called "Northing"
Measure Distance In Meters To The Point, Starting From The Right Edge Of The Grid To The Point; Called "Easting"
Determining The UTM Coordinates For A Point On A Map
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TRUSTED SINCE 1930
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Content: Point P is 800 meters east and 750 meters north of the grid lines; therefore, the grid coordinates of point P are north 4,276,750 and east 357,800. To use the UTM grid, you can place a transparent grid overlay on the map to subdivide the grid, or you can draw lines on the map connecting corresponding ticks on opposite edges. The distances can be measured in meters at the map scale between any map point and the nearest grid lines to the south and west. The northing of the point is the value of the nearest grid line south of it plus its distance north of that line; its easting is the value of the nearest grid line west of it plus its distance east of that line (see fig. 2). On maps at 1:100,000 and 1:250,000 scale, a full UTM grid is shown at intervals of 10,000 meters and is numbered and used in the same way. U.S.G.S. Definition
Universal Transverse Mercator Grid System (UTM)
The Universal Transverse Mercator Grid System (UTM) provides rectangular coordinates that may be used to indicate locations of points on the surface of the Earth. UTM involves linear measurements, and the unit of measure is the meter.