QO‐100 is the new shortwave! 😃 Or maybe not. It’s a new adventure, at least. Old shortwave transceivers can be used to drive an up‐converter, for example.

Modern ham radio operators often face restrictions on antennas. This has made small antennas more popular, despite some limitations. [Tech Minds] reviews the GA-450 indoor active HF loop antenna ...

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 ...

Being a hands-on engineer, Ken has done his share of construction over the years. One of his projects was the construction of an octagonal-shaped AM loop EAS antenna using PVC pipe. Fig. 1: The ...

Shielded-Loop AM Antenna. Oct 11, 2001 12:00 PM, BE Radio. AM Loop Anetenna for AM Reception. AM reception can be very difficult because of the inherent succeptibility AM has to electrical noise and ...

An accurately calibrated and sensitive antenna is needed for such work. This White Paper looks at the characterisation of magnetic loop antennas — those sensitive to the magnetic component of an ...

The loop antenna. Effects of the earth. Reciprocity, receiving antennas, effective length and area. Moment methods. Arrays: collinear, broadside, endfire. Array synthesis. Mutual coupling.