File:Consol map of the UK 1942 updated 1946.jpg

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Summary

Media data and Non-free use rationale
Description	This is a portion of a UK area Consol (Sonne) navigation map originally prepared in 1942 and then "overlaid" with additional information in 1946 when an additional broadcaster was set up Northern Ireland. The new station, Bush Mills, is indicated by the green cross-in-a-circle outside of Coleraine, north of Belfast. The green lines radiating to the west indicate the "counts" when using this station - after first determining their rough location to select one of the pie-shaped areas between the thicker green lines labeled "60", the navigator would then listen to the signal from the station and count the number of dots of dashes they heard until they received the "equisignal" sound, a steady tone. this number was then looked up on this chart to select one of the lines labeled "10" through "60" to determine the bearing to the station. The red lines are used in the same way, but indicate the bearing lines to the Consol station in Stavanger, Norway, one of the original German Sonne sites and the original reason for this map's publication in 1942.
Author or copyright owner	UK Geographical Section, General Staff
Source (WP:NFCC#4)	http://jproc.ca/hyperbolic/consol_uk_closeup_1942_b.jpg
Date of publication	1942, reprinted 1946
Use in article (WP:NFCC#7)	Sonne (navigation)
Purpose of use in article (WP:NFCC#8)	This map of the use of Consol was published by the UK GSGS mapping service in 1942 to allow British airmen to navigate using the German Sonne navigation system. It demonstrates the basic navigation principle, showing the navigational lines radiating from a Consol station and giving instructions on how to use it.
Not replaceable with free media because (WP:NFCC#1)	n.a.
Minimal use (WP:NFCC#3)	Will be used only in the article on Sonne/Consol. Only a small portion of the map is shown, with considerable artifacting and distortion due to the photographing process.
Respect for commercial opportunities (WP:NFCC#2)	n.a.
Fair useFair use of copyrighted material in the context of Sonne (navigation)//en.wikipedia.org/wiki/File:Consol_map_of_the_UK_1942_updated_1946.jpgtrue

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On the English-language Wikipedia, hosted on servers in the United States by the non-profit Wikimedia Foundation,

qualifies as fair use under United States copyright law. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content and Wikipedia:Copyrights.
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File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	00:54, 7 May 2017		257 × 386 (27 KB)	DatBot (talk \| contribs)	Reduce size of non-free image (BOT - disable)
	03:44, 16 July 2012	No thumbnail	465 × 700 (156 KB)	Skier Dude (talk \| contribs)	fair use reduce supplied

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Sonne (navigation)