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 ...

[K5ACL], aka [SignalSearch], recently brought his active receive loop antenna in off the roof to give it a checkup and perform any necessary maintenance. While it was in the shack, he took the ...

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 ...

The magnetic loop antenna is a familiar sight in radio amateur circles as a means to pack a high performance HF antenna into a small space. It takes the form of a large single-turn coil made into a ...

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 ...