To get the best power transfer into an antenna, tuning is required. This process uses a load to match the transmission line to the antenna, which controls the standing wave ratio (SWR).

Now with a cheap USB TV tuner card, you can jump right into the world of software-defined radio. Elsewhere on the Internet, a surprisingly active RTL-SDR subreddit popped up dedicated to using ...

I've been trying to get back into playing guitar and I've noticed one thing: Both the App Store and Google Play are replete with guitar-tuning apps that are full of either upsells or advertisements.