- FTV is an MS-DOS program used to receive images from Weather Sate
s and Te
rrestrial Facsimile Stations, te
xt transmissions from radio te
lex services, Morse code, as well as Amate
ur Radio FAX, SSTV, RTTY and CW signals. It can also be used to transmit FAX and SSTV. No exte
rnal hardware, other than a radio, is required, as all the necessary signal processing is implemente
d in software.