FYI: 25th Anniversary of Ward Christensen's BBS

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From: grg2_at_attbi.com <(grg2_at_attbi.com)>
Date: Fri Feb 21 13:47:00 2003

Er, I don't think the modem was invented in late 50's.

Modems have been used to send data over phone lines (and over radio) since at
least 1940.

They may have been called "Terminal units", but they did the basic modem
things of mod/demodulating data onto an audio carrier.
Received on Fri Feb 21 2003 - 13:47:00 GMT

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