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 military designation ...
Antennas come in many shapes and sizes, with a variety of characteristics making them more or less suitable for various applications. The average hacker with only a middling exposure to RF may be ...
Abstract: A UHF band tunable built-in antenna is realized using piezoelectric MEMS variable capacitors. The variable capacitor, which is driven by a piezoelectric actuator, has a tuning ratio of 11 ...