28 May
2009
28 May
'09
7:56 p.m.
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