File:PSK matrix.jpg
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![File:PSK matrix.jpg](http://178.128.105.246/host-http-upload.wikimedia.org/wikipedia/commons/thumb/2/28/PSK_matrix.jpg/404px-PSK_matrix.jpg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:24, 10 June 2007 | ![]() | 973 × 1,443 (227 KB) | Mysid | {{Information |Description=Multiple w:PSK31 transmissions on the 20m digimode band at around 14.07 MHz. Time runs from up to down, frequency from left to right. |Source=Self-made; received with my shortwave radio and FFT'd in Baudline. |Date= |Author |
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