File:WWVNBSRadioStation 015.jpg

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Original file ‎(5,993 × 4,885 pixels, file size: 25.04 MB, MIME type: image/jpeg)

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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)
Public domain
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.
Warning: this does not include Standard Reference Data, as per Standard Reference Data Act (P.L. 90-396; 15 U.S.C. 290-290f) which may be copyrighted by the NIST.

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Licensing

Public domain
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.
Warning: this does not include Standard Reference Data, as per Standard Reference Data Act (P.L. 90-396; 15 U.S.C. 290-290f) which may be copyrighted by the NIST.

العربية ∙ English ∙ 日本語 ∙ македонски ∙ Nederlands ∙ +/−

Captions

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inception

30 March 1943

media type

image/jpeg

data size

26,252,837 byte

height

4,885 pixel

width

5,993 pixel

checksum

9ee1a04f91689f2d3d858fdb8e3e4d88d1ff44a4

determination method or standard: SHA-1

File history

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Date/TimeThumbnailDimensionsUserComment
current19:24, 10 March 2014Thumbnail for version as of 19:24, 10 March 20145,993 × 4,885 (25.04 MB)NISTResearchLibrary

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