File:WWVNBSRadioStation 015.jpg
Size of this preview: 736 × 600 pixels. Other resolutions: 295 × 240 pixels | 589 × 480 pixels | 942 × 768 pixels | 1,256 × 1,024 pixels | 5,993 × 4,885 pixels.
Original file (5,993 × 4,885 pixels, file size: 25.04 MB, MIME type: image/jpeg)
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This is a file from the Wikimedia Commons. The description on its description page there is shown below.
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Summary
| Description | The generator, whose accuracy was controlled by the 100-kc crystal oscillator frequency, provided the seconds pulses, each 0.005 seconds long and consisting of five cycles of a 100-cycle frequency. | |||
| Date | ||||
| Source | National Institute of Standards and Technology | |||
| Author | National Institute of Standards and Technology | |||
| Permission (Reusing this file) |
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Licensing
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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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File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 12:24, 10 March 2014 | 5,993 × 4,885 (25.04 MB) | NISTResearchLibrary |
File usage
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