You don’t see them much anymore, but there was a time when any hobbyist who dealt with RF probably had a grid dip meter. The ...

If you'd asked us a few years ago if we’d heard of Loop Earplugs, we wouldn’t have known what you meant. After all, a device which lets you control the loudness of your surroundings seems too good to ...

Abstract: High-gain patch antennas with low sidelobes are proposed in this article. First, the patch antennas are operating at higher-order modes to realize a larger electrical size and higher ...