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Summary
Description330-PS-3256 (45898 AC) (17204655228).jpg | 330-PS-3256 (45898 AC): Indian Springs Air Force Base, Nevada, April 20, 1952. Exact weather information is a prime necessity during atomic test periods. To obtain information concerning air pressure, temperature and humidity, these captive, helium-filled “Kytoon” balloons, as shown here, are supplied by the USAF’s Air Weather Service during the Atomic Energy Commission’s periodic atomic tests at the Nevada Providing Grounds. Kytoon Balloons are sent aloft before each nuclear test, and are hauled down minutes before the actual detonation occurs. Last minute weather information is thus relayed by remote control to the A.K.C. Test Director at the Proving Grounds Control Point. Such data is used to predict subsequent paths of radio-active clouds through the atmosphere. Photograph released March 16, 1953. (5/5/2015). |
Date | |
Source | 330-PS-3256 (45898 AC) |
Author | National Museum of the U.S. Navy |
Licensing
This image was originally posted to Flickr by Photograph Curator at https://flickr.com/photos/127906254@N06/17204655228 (archive). It was reviewed on 10 July 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark. |
10 July 2018
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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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 05:27, 10 July 2018 | 2,204 × 2,725 (1,006 KB) | Hiàn (alt) | Transferred from Flickr via #flickr2commons |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
Camera manufacturer | NIKON CORPORATION |
---|---|
Camera model | NIKON D80 |
Exposure time | 1/320 sec (0.003125) |
F-number | f/9 |
ISO speed rating | 1,600 |
Date and time of data generation | 10:34, 5 May 2015 |
Lens focal length | 19 mm |
Width | 3,872 px |
Height | 2,592 px |
Bits per component |
|
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS6 (Windows) |
File change date and time | 10:40, 6 May 2015 |
Y and C positioning | Co-sited |
Exposure Program | Not defined |
Exif version | 2.21 |
Date and time of digitizing | 10:34, 5 May 2015 |
Meaning of each component |
|
Image compression mode | 4 |
Shutter speed | 8.321928 |
APEX aperture | 6.33985 |
Exposure bias | 0 |
Maximum land aperture | 4 APEX (f/4) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 20 |
DateTimeOriginal subseconds | 20 |
DateTimeDigitized subseconds | 20 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 28 mm |
Scene capture type | Standard |
Scene control | High gain up |
Contrast | Hard |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Serial number of camera | 3073408 |
Lens used | 12.0-24.0 mm f/4.0 |
Date metadata was last modified | 06:40, 6 May 2015 |
Unique ID of original document | D874820C139A67273CB5C95406EDC882 |
IIM version | 25,111 |