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File:Radar and Electronic Warfare 1939-1945 A28824.jpg

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Summary

Artist
Royal Navy official photographer
Description
English: Radar and Electronic Warfare 1939-1945
Naval Radar: Diagram to illustrate the chain of command in High Angle Fire Control. Signals are picked up by the aerial array. The Radar operator (bottom) sees the 'echo' and transmits its range to the gunnery calculating position. The Layer and Trainer in the gun director transmit to the gunnery calculating position the bearing of the target. If the target cannot be seen the Radar display panel (left) is used to provide a radar bearing and the guns are thus able to fire 'blind'. The remainder of the crew are members of the gunnery team.
Date between 1939 and 1945
date QS:P571,+1950-00-00T00:00:00Z/7,P1319,+1939-00-00T00:00:00Z/9,P1326,+1945-00-00T00:00:00Z/9
Source/Photographer http://media.iwm.org.uk/iwm/mediaLib//26/media-26573/large.jpg
This photograph A 28824 comes from the collections of the Imperial War Museums.
Permission
(Reusing this file)		 This image was created and released by the Imperial War Museum on the IWM Non Commercial Licence. Photographs taken, or artworks created, by a member of the forces during their active service duties are covered by Crown Copyright provisions. Faithful reproductions may be reused under that licence, which is considered expired 50 years after their creation.
Part of
InfoField
Admiralty Official Collection
Subject(s)
InfoField
  • Associated themes
    Royal Navy 1939-1945
  • Associated keywords
    Naval Warfare, electronic warfare
Category
InfoField
photographs
Image sorted
InfoField
yes

Licensing

This image is in the public domain because it is a mere mechanical scan or photocopy of a public domain original, or – from the available evidence – is so similar to such a scan or photocopy that no copyright protection can be expected to arise. The original itself is in the public domain for the following reason:
Public domain
This work created by the United Kingdom Government is in the public domain.

This is because it is one of the following:

  1. It is a photograph taken prior to 1 June 1957; or
  2. It was published prior to 1974; or
  3. It is an artistic work other than a photograph or engraving (e.g. a painting) which was created prior to 1974.

HMSO has declared that the expiry of Crown Copyrights applies worldwide (ref: HMSO Email Reply)
More information.

See also Copyright and Crown copyright artistic works.

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This tag is designed for use where there may be a need to assert that any enhancements (eg brightness, contrast, colour-matching, sharpening) are in themselves insufficiently creative to generate a new copyright. It can be used where it is unknown whether any enhancements have been made, as well as when the enhancements are clear but insufficient. For known raw unenhanced scans you can use an appropriate {{PD-old}} tag instead. For usage, see Commons:When to use the PD-scan tag.

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File history

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Date/TimeThumbnailDimensionsUserComment
current14:12, 24 March 2013Thumbnail for version as of 14:12, 24 March 2013502 × 800 (80 KB)Fæ{{User:{{subst:User:Fae/Fae}}/IWM |description = {{en|''Radar and Electronic Warfare 1939-1945''<br/> Naval Radar: Diagram to illustrate the chain of command in High Angle Fire Control. Signals are picked up by the aerial array. The Radar operator (bot...

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