1964 Antique MODEM Live Demo

[Ethan Dicks]

On Thu, May 28, 2009 at 8:16 PM, Eric Smith <eric at brouhaha.com> wrote:
> ... 103 FSK modulation at 110 baud [*] had a lot of noise margin.
>
> [*]  These were actually 110 baud, since there was a one-to-one mapping of
> bits to modulation symbols.  Later modems were often incorrectly described
> as 1200 baud, 2400 baud, 9600 baud, etc., when in fact the quoted number was
> their data transfer rate in bits per second, and the baud rate was a
> fraction of that.

I thought that started at 2400 bps (600 baud, 4 bits-per-baud)?

-ethan