Figure 1: The “soft66” SDR (software defined radio) board. It’s a fun thing to build in a spare three hours, and even more fun to operate!
Recently I’d integrated a “homemade” tablet into the station, for things like receiving weather faxes and BPSK31 transmissions. I’d been using external receivers to do that, but mentioned that I really wanted to put a “shortwave” receiver board inside the tablet, for an all-in-one effect.
Programming Miscellany 