Amateur radio

The history of amateur radio

Categotry Archives: Radio frequency

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The history of Radio from 1924 to 1933

January 24, 2016 by admin

Amateur radio

Categories: Amateur radio, Amateur radio emergency communications, Amateur radio operator, Amateur radio station, Amateur satellite service, American radio relay league, Call sign, Callbook, Commercial broadcasting, Contesting, International Amateur Radio Union, International Telecommunication Union, Radio frequency, Radio propagation, Radio spectrum, Rf spectrum, Social services, Two way radio, Wireless, Wireless telegraph

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