File:KDKA-KDPM-WBZ Shortwave Relay Diagram (1923).jpg
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:23, 1 October 2020 |  | 700 × 605 (168 KB) | Thomas H. White | Better quality scan |
| 01:49, 31 January 2019 |  | 909 × 976 (360 KB) | Thomas H. White | User created page with UploadWizard |
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