[RTTY] TinyFSK modem for 45 and 75 baud

[Bill Turner]

ORIGINAL MESSAGE:          (may be snipped)

On Thu, 10 Oct 2013 15:10:32 -0700 (PDT), K0SM/2 wrote:

>
> 
>For those of you looking for a relatively simple and inexpensive method of doing 45 and 75 baud RTTY using logical keying ("FSK") you can have a look at a TX-only modem that I built that will accomplish this.

REPLY:

What does this do that MMTTY and a pair of one-transistor drivers for FSK
and PTT does not do?

73, Bill W6WRT