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| History of Teletype Development http://www.rtty.com/history/nelson.htm printing telegraph machine (Patent No. 862,402; filed August 6, 1904; issued August 6, 1907). Neither of these machines used a permutation code. They experimented with transmitter... |
| Guildford Campus Radio - GCR - 1602 kHz AM from the University of Surrey http://www.mf2fm.com/zfm/guildford_campus_radio.php players), a proper cart machine, a reel-to-reel (and another for editing) and a home-made mixer. Indeed, lots of the technical elements of the station, including the transmitter, ... |
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