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 | 2,513 × 2,048 pixels | 5,993 × 4,885 pixels.
Original file (5,993 × 4,885 pixels, file size: 25.04 MB, MIME type: image/jpeg)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
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) |
|
Licensing
|
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.
|
 |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:24, 10 March 2014 | | 5,993 × 4,885 (25.04 MB) | NISTResearchLibrary |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Global file usage
The following other wikis use this file:
- Usage on ca.wikipedia.org
- Usage on ckb.wikipedia.org
- Usage on es.wikipedia.org
- Usage on ja.wikipedia.org
