File:Wade performing RDF.jpg

Wade_performing_RDF.jpg ‎(475 × 440 pixels, file size: 30 KB, MIME type: image/jpeg)

Summary

Description
English: W.G. Wade received signals from a coil (or loop) antenna

- mainly used for direction finding - at a Kennsington Maryland field station in 1919 -from NIST Photographic Collection,

Radio Direction Finder
Date
Source http://museum.nist.gov/panels/gallery/radiodf.html
Author NIST

Licensing

Public domain
This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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inception

1919

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Date/TimeThumbnailDimensionsUserComment
current14:09, 15 July 2014475 × 440 (30 KB)Maury MarkowitzUser created page with UploadWizard
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