In this context, we are talking about modes used on the HF (high frequency) bands, specifically chat modes, those used to have a regular conversation in a similar way to voice or Morse, where one operator talks for a minute or two, then another does the same. It also controls the transmitter, changes modes as required, and provides various convenient features such as easy tuning of signals and prearranged messages. The computer acts as modem (modulator - demodulator), as well as allowing you to type, and see what the other person types. What is a Digital Mode?ĭigital Modes are a means of operating Amateur radio from the computer keyboard. Fldigi includes all the popular modes, such as DominoEX, MFSK16, PSK31, and RTTY.įldigi is available for multiple computer operating systems FreeBSD™ Linux™, OS X™ and Windows™. The software also controls the radio by means of another connection, typically a serial port.įldigi is multi-mode, which means that it is able to operate many popular digital modes without switching programs, so you only have one program to learn. Fldigi operates (as does most similar software) in conjunction with a conventional HF SSB radio transceiver, and uses the PC sound card as the main means of input from the radio, and output to the radio. What is Fldigi?įldigi is a computer program intended for Amateur Radio Digital Modes operation using a PC (Personal Computer). The Initial Configuration pages are particularly helpful. You can also access it from within the Fldigi program from the Help menu item. You should learn how to make best use of the program by reading the Online Documentation. Of necessity, this Beginners' Guide contains only as much as you need to know to get started. How do I recognise and tune in the signals?.
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