Why don't voice radio communications use FM?
"Steven P. McNicoll" wrote in message
ink.net...
"Ron Natalie" wrote in message
m...
No actually, it's just historical. Early av radio used AM, and for that
reason we still do.
Didn't all early radio use AM?
Nope, it was quite a ways down the line. Morse code via spark gap
transmitters was one of the first.
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