Fun fact: ham radio operators to this day use a similar technique to distribute ... | Hacker News

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		mschuster91 9 months ago \| parent \| context \| favorite \| on: In the 1980s we downloaded games from the radio Fun fact: ham radio operators to this day use a similar technique to distribute images - it's called slow scan television.

simondanerd 9 months ago [–]

Also check out rtty and FT8/FT4 for those interested in other "digital over analog" modes.

flyinghamster 9 months ago | [–]

Bell 202 lives on as well: https://www.windytan.com/2014/02/mystery-signal-from-helicop...

In this case, continuous GPS coordinates are sent on one audio channel while the other channel is voice.

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