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You can do PSK31 across a room with just audio, but it is a kind of annoying noise after a while. It's interesting that you learn to recognise patterns in the
by ErroneousBosh 2mo ago
You can do PSK31 across a room with just audio, but it is a kind of annoying noise after a while.
It's interesting that you learn to recognise patterns in the burbling tones after a while. "CQ CQ CQ" is very distinctive and after a while you can hear your own callsign in it. I guess it's not that different to very fast Morse.
- myself248 2mo agoOr SSTV! I recall a demo years ago where someone had SSTV running between a speaker at the focus of a small dish, across to the room to another small dish with a microphone...
- ErroneousBosh 2mo agoThere's a track on an Aphex Twin CD (yeah well it would be, eh?) called Bonus High Frequency Sounds that's an SSTV pic of him in his studio.