Ham radio operator Vance Vagell has released a video detailing the Android-only companion app for the open-source kv4p HT project. Coupled with the plug-and-play USB-C radio, the kv4p HT app can send ...

This works well and can even speak AFSK APRS packets out over the speaker or headset jack. Cool! However, I'm thinking more low-level stuff. I'd like to have soundmodem support available. Ideally, I'd ...