ARLA/CLUSTER: Quando foi a ultima vez que escutou uma estação em AM.? Se a sua resposta é "recentemente", então você pertence a uma minoria.

[João Costa > CT1FBF]

AM, the original speech transmission mode

Here’s a question: when did you last listen to an AM radio station?
If your answer is 'recently', chances are you are in the minority

*Jenny List G7CKF* writes on Hackaday:

You might ask: why should you listen to AM?
And you’d have a point, after all FM, digital, online, and satellite
stations offer much higher quality audio, stereo, and meta information, and
can now be received almost anywhere. Even digital receivers are pretty
cheap now, and it’s by no means uncommon for them to not even feature the
AM broadcast band at all.

Certainly this has driven an exodus of listeners to the extent that AM
radio has been in slow decline for decades, indeed it’s disappearing
completely in some European countries.

Read the story at
http://hackaday.com/2016/06/07/am-the-original-speech-transmission-mode/
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