File:Emergency Radio Transmissions (8682627731).jpg
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Captions
Summary
[edit]DescriptionEmergency Radio Transmissions (8682627731).jpg |
NIST researchers visited New York City in 2012 to evaluate emergency radio transmissions in challenging settings such as high-rise buildings and underground tunnels. NIST's Kate Remley and Galen Koepke setting up a base station outside the Empire State Building. See also www.nist.gov/pml/electromagnetics/subway-041713.cfm Credit: NIST Disclaimer: Any mention of commercial products within NIST web pages is for information only; it does not imply recommendation or endorsement by NIST. Use of NIST Information: These World Wide Web pages are provided as a public service by the National Institute of Standards and Technology (NIST). With the exception of material marked as copyrighted, information presented on these pages is considered public information and may be distributed or copied. Use of appropriate byline/photo/image credits is requested. |
Date | |
Source | Emergency Radio Transmissions |
Author | National Institute of Standards and Technology |
Licensing
[edit]Public domainPublic domainfalsefalse |
This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.
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This image was originally posted to Flickr by National Institute of Standards and Technology at https://flickr.com/photos/63059536@N06/8682627731. It was reviewed on 7 September 2016 by FlickreviewR and was confirmed to be licensed under the terms of the United States Government Work. |
7 September 2016
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 01:36, 7 September 2016 | 2,400 × 1,600 (3.22 MB) | Vanished Account Byeznhpyxeuztibuo (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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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 | Canon |
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Camera model | Canon EOS 50D |
Author | Photographer: Galen Koepke |
Copyright holder |
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Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/4 |
ISO speed rating | 800 |
Date and time of data generation | 17:46, 30 November 2011 |
Lens focal length | 29 mm |
Width | 3,600 px |
Height | 2,400 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 CS5 Windows |
File change date and time | 13:04, 16 April 2013 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 17:46, 30 November 2011 |
Meaning of each component |
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APEX shutter speed | 6 |
APEX aperture | 4 |
APEX exposure bias | 1 |
Metering mode | Pattern |
Flash | Flash fired, compulsory flash firing |
DateTime subseconds | 27 |
DateTimeOriginal subseconds | 27 |
DateTimeDigitized subseconds | 27 |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 5,315.4362416107 |
Focal plane Y resolution | 5,306.5326633166 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
GPS tag version | 0.0.2.2 |
Date metadata was last modified | 09:04, 16 April 2013 |
Unique ID of original document | xmp.did:19410CE06027E1119181B3DA6B53D2DA |