On 8/5/07, Andrew Rich <vk4tec at people.net.au> wrote: > But it still does analogue tones. > > I am talking tru FSK 1200 is AFSK. 9600 is more of a true data keying.. That's why it doesn't take any more bandwidth then 1200. Here's an interesting page I hadn't seen before: http://en.wikipedia.org/wiki/Packet_radio