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# UTM Mapping - PowerPoint PPT Presentation

UTM Mapping. Universal Transverse Mercator (UTM) is a type of map projection where location can be given with varying numerical accuracy

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## PowerPoint Slideshow about ' UTM Mapping' - byron-nash

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Presentation Transcript

• Universal Transverse Mercator (UTM) is a type of map projection where location can be given with varying numerical accuracy

• UTM maps are divided using the metric system. This system is ideal for ground operations on foot, since distances walked (meters) can easily be measured and plotted on the map.

• No two grids will have the same number.

• The lines of a gridded map form small squares 1000m on each side called grid squares

• The East-West number represents the first half of the grid coordinate, and the North-South number is the other half.

• The least accurate grid reference is four digits: it represents the bottom left corner of a 1000m x 1000m square

ReadRight, Then Up: The East-West coordinate of the yellow box is 05

The North-South coordinate is 12

The yellow box’s grid location is 05 12

• Each 1000m x 1000m grid square can be divided into 100m smaller squares with an accuracy of 100m.

• One number is added to each half of the grid coordinate

• Always remember to begin your reading from the southwest (bottom left) corner of the grid

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6-Digit Accuracy: Add one number to each half of the grid coordinate to get an accuracy of 100m

Point 1: 054 126

Point 2: 057 122

Point 3: 050 120

• On most maps, an 8-digit coordinate will be the most accurate point you can get.

• 8-digit coordinates provide an accuracy of 10m. To get an 8-digit coordinate, use a gridder or a mental estimate to add one more digit to each half of your six digit coordinate, remembering to measure right, then up.

Coordinates

Point 1: 8042 5544

Point 2: 8000 5535

Point 3: 7993 5627

Point 4: 7895 5594

Point 5: 7947 5562

Point 6: 7942 5487

Point 7: 7990 5458

Point 8: 7963 5436

Point 9: 7890 5463

Point 10: 7834 5470

Point 11: 7779 5511

Solutions

Point 1: __A6___

Point 2:___H5___

Point 3:__K3___ (ELT Bearing 195)

Point 4:___L1___ (ELT Bearing 223)

Point 5:__M7__

Point 6:___A9___

Point 7:___H4___ (ELT Bearing 340)

Point 8:__C6___

Point 9:___D2__ (ELT Bearing 073)

Point 10:__A9___

Point 11:___B3__

Estimated ELT Location:

___7974 5511________

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