File:Advertisement for New York City radio station WGHF (1945).jpg
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本预览的尺寸：458 × 600像素。 其他分辨率：183 × 240像素 | 367 × 480像素 | 880 × 1,152像素。
原始文件 （880 × 1,152像素，文件大小：326 KB，MIME类型：image/jpeg）
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摘要
| 描述 |
English: WGHF was a New York City radio station, which was used, using a subcarrier signal, to test the Finch broadcast facsimile system. |
| 日期 | |
| 来源 | Advertisement for New York City radio station WGHF, which appeared on page 83 of the Dccember 17, 1945 issue of Broadcasting magazine |
| 作者 | None listed |
许可协议
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This advertisement (or image from an advertisement) is in the public domain because it was published in a collective work (such as a periodical issue) in the United States between 1929 and 1977 and without a copyright notice specific to the advertisement. Unless its author has been dead for several years, it is copyrighted in jurisdictions that do not apply the rule of the shorter term for US works, such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties. See this page for further explanation. |
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文件历史
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| 日期/时间 | 缩略图 | 大小 | 用户 | 备注 | |
|---|---|---|---|---|---|
| 当前 | 2022年4月9日 (六) 14:00 | | 880 × 1,152（326 KB） | Thomas H. White | Uploaded a work by None listed from Advertisement for New York City radio station WGHF, which appeared on page 83 of the Dccember 17, 1945 issue of Broadcasting magazine with UploadWizard |
文件用途
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