File:Sp133ducting.jpg
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Summary
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English: Diagram depicting atmospheric ducting of radio signals |
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| Source | https://archive.org/details/scientificsatell00corl/page/452/mode/2up |
| Author | William R. Corliss |
Licensing
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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 Federal 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.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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Warnings:
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:44, 4 April 2026 | | 721 × 523 (108 KB) | imagescommonswiki>Neopeius | Uploaded a work by William R. Corliss from https://archive.org/details/scientificsatell00corl/page/452/mode/2up with UploadWizard |
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