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anticensor
on Oct 7, 2024
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Congress fights to keep AM radio in cars
Commercial AM has a 5kHz bandwidth (4.5kHz in Europe), commercial FM 50kHz (29kHz if mono). The remainder of the channel is guardband.
kstrauser
on Oct 7, 2024
[–]
Source for 270:
https://en.wikipedia.org/wiki/FM_broadcasting
. Search there for “necessary bandwidth”.
For AM, that’s 5KHz+-, or 10 total.
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