I had great fun building simple radios as a kid, I even had a CB radio. I didn't set it up again after we moved house. I didn't use them all throughout my late teens or either of my degrees. Eventually, I left them in the UK when I moved out to Canada. Enter RTL-SDR I bought an RTL-SDR, a cheap Software Defined Radio (SDR) receiver. I also got a set of three cheap antennas (not an affiliate link.) Total cost was 90.05 CDN, including tax and shipping. My RTL-SDR I found that I can use it with ...