Bring the latest digital technology to amateur radio with signalink and rigblaster digital interfaces. There are many brands of interface available to connect a pc to an amateur radio transceiver. Interfaces amateur radio ham radio transceivers icom yaesu kenwood lamco my favourite hamstore barnsley 01226 361700 south yorkshire. This amateur radio web site explains how to use the agwpe utility program to send and receive packet using the sound card of your pc instead of a tnc. Ulari radio interface software our main purpose is to use the device as an aprs station, digipeater, and i-gate. For this function we are going to use an armbian linux distribution and a really nice open source direwolf application written by wb2osz. Who needs a collection of interface connections to choose from when having a desire to use the soundboard in their computer to provide capability for using rtty, psk31, and sstv modes on the amateur bands?â well from my experience the answer is many of us, me included. Â after a large amount of research i found the following circuits helpful when setting up my own system. compare the best free open source windows ham radio software at sourceforge. Com is operated by buck rogers as an educational tool for the development of ax. 25 packetradio networks associated with amateur radio wireless digital communications. Com is to promote new and advanced digital communications technologies. 2 interconnections needed sending cw computer to radio paddle and keyer to radio ptt from computer to radio or use vox rig control and data for logging software frequency readout, band changes pre-recorded cqs are cruical! Without them, you cant munch or drink coffee! Rest your voice think about what youre going to do next. The signalink usb interface is a usb powered device that contains a sound card and vox circuitry that keys the radio ptt whenever the digital mode software goes into transmit and produces audio. This avoids the need for a serial interface using a second usb port just to control the transceiver ptt, which is the bane of interfaces like the rigblaster, and it works with just about any digital.