- FTV is an MS-DOS program used to receive images from Weather Satellites and Terrest
rial Facsimile St
ations, text transmissions from radio telex services, Morse code, as well as Amateur Radio FAX, SST
V, RTTY and CW signals. It can also be used to transmit FAX and SST
V. No external hardware, other than a radio, is required, as all the necessary signal processing is implemented in software.