There are a number of software applications available that will run on Windows, Mac OSX and various forms of Linux. So no matter what operating system you run on your computer, there intention be a digital mode postulation open for your operational needs. The well-nigh prevalent in operation system in use by hams is Microsoft Windows.
One area of unprofessional radio that has mature by a important total since the introduction of personal computers is the use of digital modes of transmission. These digital modes provide a rattling interesting way in which to communicate all over ham radio, gift different challenges to those presented by the more time-honoured modes of transmission. What can be thought of as the first of the clan of digital modes was RTTY - radio teletype.
A great number of electric new appendage operating modes feature developed, largely because of the handiness of of her own computers, soundcards, and hi-tech software. But someone digital communication began in in earnest in the advanced 1940's (if you don't count Morse as a integer mode! ) once hams worked out techniques of conjunctive mechanical Teletype keyboard/printers to amateur gear mistreatment FSK and AFSK modulation.