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Re: [Phys-l] WIFI


On 2012, Apr 07, , at 13:55, John Denker wrote:



Note that so-called frequency modulation is indistinguishable
from phase modulation (up to irrelevant constants).



I see, the same as FS teletype that all the newspapers had, to get the news from the news agencies, (AP etc.) and some radio hams.


bc remembers (ca. 1955) it sounded like morse code on two different audio frequencies. With a teletype clacking in the background.
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