World Geographic Reference System: Difference between revisions

Revision as of 20:30, 19 May 2023

Revision as of 18:56, 22 May 2023

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{{Refimprove|date=September 2012}}

{{short description|Grid-based method of specifying locations}}

The '''World Geographic Reference System''' ('''GEOREF''') is a [[geocode]], a grid-based method of specifying locations on the surface of the [[Earth]]. GEOREF is essentially based on the geographic system of [[latitude]] and [[longitude]], but using a simpler and more flexible [[notation]]. GEOREF was used primarily in [[aeronautical chart]]s for [[air navigation]],<mapframe latitude="30" longitude="0" zoom="2" width="400" height="300" /><ref>{{cite report |author=DMA |author-link=Defense Mapping Agency |date=20 September 1990 |title=Defense Mapping Agency Technical Manual |series=TM 8358.1 |chapter=Chapter 5: Geographic Coordinate References |chapter-url=http://earth-info.nga.mil/GandG/publications/tm8358.1/tr83581c.html#ZZ38 |access-date=2016-12-16}}</ref> particularly in military or inter-service applications, but it is rarely seen today.{{cn|date=October 2020}} However, GEOREF can be used with any map or chart that has latitude and longitude printed on it.

== Quadrangles ==