This sits between the PC and the radio, and handles the audio, tuning the radio, and setting the radio into transmit. Typically, this will be done using an interface, such as the one pictured below. To get started sending and receiving PSK31, you’ll need an HF rig, a computer, and a way to connect the two. Download EssexPSK: EssexPSK Application (1.4MB)ĮssexPSK – The Essex Ham PSK Decoder by M0PZT It’s a receive-only program, but it’s tiny, easy-to-install, and free.

On our site, we have a tiny application called EssexPSK (written by Charlie M0PZT) that lets you decode PSK31 signals. PSK31 using Digital Master on Ham Radio Deluxe Listening to PSK31īefore you dive into the world of PSK31, have a try at listening and decoding some PSK31 signals. At the bottom of the screenshot is the “waterfall”, showing a number of different real-time QSOs taking place. The following screenshot shows PSK31 in use. Once connected, you can have a real-time text-based conversation over-air. You need to connect your radio to a computer to get this to work.

Digital master 780 free download