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The top documents tagged [packet radio station]
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Technician Licensing Class T4 Valid dates: July 1, 2010 – June 30, 2014
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Technician Licensing Class Supplement T4, Questions Only Amateur Radio Practices 2 Exam Questions, 2 Groups
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1 Technician Licensing Class T 4 A - T 4 B Valid July 1, 2014 Through June 30, 2018
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Digital communications. Hams have developed techniques for transforming 1’s and 0’s into tones into the same frequency range as human voice. So now a
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