[GreenKeys] Model 42 info wanted - and what is SCCAT?

[Harold Hallikainen]

MANY years ago, I bought a bunch of model 43RO printers (the ASCII version
of the model 42). These were used for program logging in radio stations as
described at http://bh.hallikainen.org//wiki/uploads/Hf.pdf#page=2 and
http://bh.hallikainen.org/wiki/index.php?pagename=HallikainenAndFriends .
We made our own RS232 interface board to go in the back of the printer.
The printer had a ribbon cable to connect to the interface, and it had TTL
levels on it.

Harold

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