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Guglielmo Marconi sent and recieved the first radio signal
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lee de forest created an audion tube (aka amplifier)
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us weather bureau tries radio to warn about weather changes (storn is coming, etc)
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robert e peary, arctic explorer, called in saying "i found the pole"
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edward howard armstrong invented requncy modulated in 1933
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bell labs scientists created a transistor
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the transistor radio was created by a company known as sony (they were a rather small company back then)
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the first master fm antenna system was uaed by putting it on the empire state building
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chanels 70-83 were relocated by the FCC for mobile radio services
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the fcc allowed the spread spectrum, causing the advancment towards monern commercial cellular
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spectrum of 2GHz was reallocated by the fcc for emerging digital mobile services
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qualcomm commerically launched the first cellular system using digital CDMA technology