Image:Utm-zones.jpg

[edit] Summary

The longitude and latitude zones in the Universal Transverse Mercator system.

Longitude zones are six degrees wide. They are numbered from 01 at 180° west, increasing towards the east until 60 at 180° east.

Latitude zones are 8° high. They are lettered from C to X, omitting the letters "I" and "O", beginning at 80° south. The letters A, B, Y and Z are used in the polar regions by the Universal Polar Stereographic grid system.

A grid reference is read "right, up", as indicated by the arrows. A reference is always written with the longitude zone first. In this example, "17T".

Exceptions to the system are apparent. The west coast of Norway is given a wider zone 32V, taking some space from the zone 31V that covers open water. The zones around Svalbard are also widened, effectively deleting some longitude zones at this latitude. Finally, the entire latitude zone "X" is extended an extra 4°, topping off at 84° north.

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This image was constructed from a public domain Visible Earth product of the Earth Observatory office of the United States government space agency NASA. It is based on a cylindrical equi-distant projection, and was marked up by custom software created specifically for the Wikipedia.

[edit] Licensing

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. Subject to disclaimers. Asturianu | Български | Català | Deutsch | English | Español | Français | Gaeilge | Italiano | 한국어 | 日本語 | Polski | Português | Română | Türkçe | +/-

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