Ken Beckwith is a field engineer with EMF based in Nebraska. Being a hands-on engineer, Ken has done his share of construction over the years. One of his projects was the construction of an ...

There’s a joke in the world of radio that all you need for a HF antenna is a piece of wet string, but the truth is that rudimentary antennas rarely perform well. Random pieces of wire may pull in some ...

AOR USA has added a highly sensitive and directional “loop” antenna to its product line. The LA800 is designed for outdoor use by monitoring enthusiasts. It combines the proven and timeless ...

While we can’t argue that FM has superior audio quality and digital streaming allows even higher quality in addition to worldwide access, there’s still something magic about hearing a weak and fading ...

Marked "AALCO Folding Loop / Made by AALCO Radio Lab. / Chicago / Reg. U.S. Pat. Office." Antenna was designed for neutrodyne or superheterodyne receivers employing indoor loop antennas. Construction ...

The author is a consultant in Carterton, New Zealand. This follows up his December article “Tuned Bandpass Filter Is Solution to Backup STL.” Many years ago, the active whip antenna and the active ...