The long-wire dipole antenna is effective for low-frequency systems. Adding LC traps makes a single-band dipole antenna into ...

You turn the dial on your radio, and hear a powerful source of interference crackle in over the baseline noise. You’re ...

Two years later he joined the national team participating in the IARU HF Championships ... 2012 when using a full-size horizontal Delta wire antenna about 10 to 15 meters above the ground and a small ...

are filled with noise sources that interfere badly with HF. So after spending a minute or so listening on an SDR, [K5ACL] demonstrates another use for this type of tightly-tuned antenna—as a ...

Samsung has been at the forefront of these devices offering an alternative to Apple’s popular iPad. It is now in its tenth ...

Product Features Antennas Direct DAX4 - 4-Output Distribution Amplifier boosts signal to be split on up to four TVs or digital converter boxes for reception of free broadcast TV without impacting ...

Cellular signal boosters use big antennas to improve the coverage in your home or car. These are the top signal boosters for apartments, houses, and vehicles. I’m one of PCMag’s mobile analysts.

Abstract: In this paper (Part II of two), we continue examining the use of space-time coding techniques to achieve very-high spectral efficiencies in highly scattering environments, using multiple ...

Abstract: Tunable leaky wave antenna (LWA) based on bidirectional amplifier enhanced composite right/left handed transmission line (CRLH TL) is proposed in this paper. Phase offset and current ...