Comment on Ceefax - A love letterparentComments−mjwalshe14yAnd PRESTEL was another hack (and one produced by a PTT) they worked out they could produce an asymetric modem standard 75/1200 to work with the slow speed lines of the day.
Comments
And PRESTEL was another hack (and one produced by a PTT) they worked out they could produce an asymetric modem standard 75/1200 to work with the slow speed lines of the day.