We don’t know if [OH8STN] has a military background, but we suspect he might since his recent post is about a “DIY Man Portable Magnetic Loop Antenna.” “Man-portable” is usually a ...
They can have an unlimited number of shapes and sizes, but can transmit/receive in almost any polarization. These antennas have moderate inherent directivity, but arrays can be better tuned for ...
Here’s how it works. I couldn't live without a TV antenna. It's as important to me as any streaming service because it allows me to watch sports, sitcoms and news without having to pay a monthly ...
The bottle rocket challenge: faces from across the BBC compete to build and launch bottle rockets. Whose will fly highest? Could you do better? • As well as how-to films, all experiments are ...
When it comes to making yourself heard over the crowd, the classic way to do it is with a handheld air horn. Nothing says, "Hey, pay attention to me," like a quick blast of sound from the palm of ...
The best home security systems offer a convenient and user-friendly approach to home protection, and the top DIY models allow you to set up your security without needing professional installation.
The DIY (Do-It-Yourself) industry aims to help customers improve their homes without the need for any extra professional help. The market is driven in part by the growth of the residential real ...