This has made small antennas more popular, despite some limitations. [Tech Minds] reviews the GA-450 indoor active HF loop antenna and finds it better than expected. You can see the video review ...

2. TRACK Multiple detection loop antennas buried in the track surface and strategically located around the track record the passing time and identification of the radio transponder attached to each ...

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 ...