File:US Navy 040221-N-4936C-008 Air Traffic Controllers on duty at the Naval Air Station Joint Reserve Base Willow Grove, Pa., air traffic control tower.jpg
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Summary
[edit]DescriptionUS Navy 040221-N-4936C-008 Air Traffic Controllers on duty at the Naval Air Station Joint Reserve Base Willow Grove, Pa., air traffic control tower.jpg |
English: Naval Air Station Joint Reserve Base Willow Grove, Pa. (Feb. 21, 2004) – Air Traffic Controllers on duty at the Naval Air Station Joint Reserve Base Willow Grove, Pa., air traffic control tower. AC’s assist in the essential safe, orderly and seedy flow of air traffic by directing and controlling aircraft. They operate field lighting systems, communicate with aircraft, furnish pilots with information regarding traffic, navigation and weather conditions, as well as operate and adjust ground-controlled approach (GCA) systems and interpret targets on radar screens and plot aircraft positions. U.S. Navy photo by Journalist 3rd Class David P. Coleman. (RELEASED) |
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Date | Taken on 21 February 2004 | |||
Source |
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Author | U.S. Navy photo by Journalist 3rd Class David P. Coleman. |
Licensing
[edit]Public domainPublic domainfalsefalse |
This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 02:34, 23 October 2009 | 2,000 × 1,312 (296 KB) | BotMultichillT (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Naval Air Station Joint Reserve Base Willow Grove, Pa. (Feb. 21, 2004) – Air Traffic Controllers on duty at the Naval Air Station Joint Reserve Base Willow Grove, Pa., air traffic control towe |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D1H |
Author | JO3 David P. Coleman |
Exposure time | 1/80 sec (0.0125) |
F-number | f/8 |
Date and time of data generation | 21:34, 21 February 2004 |
Lens focal length | 24 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop 7.0 |
File change date and time | 15:58, 23 February 2004 |
Y and C positioning | Co-sited |
Exposure Program | Aperture priority |
Exif version | 2.1 |
Date and time of digitizing | 21:34, 21 February 2004 |
Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
DateTime subseconds | 05 |
DateTimeOriginal subseconds | 05 |
DateTimeDigitized subseconds | 05 |
Color space | sRGB |
Sensing method | One-chip color area sensor |