The program is super. It certainly gives you all the nice things that are needed in a good RTTY program. Those have been well covered in previous articles. Cliff has done a super job. Interfacing problems with various transceivers will have to be solved on a one by one basis. Here are some comments on how I interfaced it to my equipment, which consists of a Flesher TU-170 and a Kenwood 820-S transceiver and Dentron Clipperton L Amp.