Get the list of supported radios by running rigctl -l. Usually there's a serial port on the back of the radio, and if you don't have a serial port on your computer a USB cable can be had for $20 or so. Fldigi uses hamlib, so anything supported by hamlib will work. Methods vary based on the radio, so just search the internets for a rig you are considering.Įven better is to get a rig which supports control over a serial connection.
With some fiddling, you can usually rig up something that uses one of the control lines on a serial port to control a relay or optioisolator to key the radio. It's also convenient (through not necessary) if Fldigi can key the radio for you. In a pinch, you can use the headphone and microphone connections.
Most modern transceivers provide some kind of connection for this. You need some way to get audio out of the receiver and into your computer, and out of your computer and into the transmitter.
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