Pattern and Match

The amateur radio used equipment market is changing. It's changing because we're changing and the technology is changing. So-called ...

Not long ago I described a single-band stack switch utilizing an L-network to transform the 25 Ω parallel impedance of two yagis to 50 Ω. T...

I am declaring the end of the 2020 sporadic E season on 6 meters although there are still occasional DX openings. However those are marginal...

While building the 40 meter yagi element (recently described in a couple of articles) I ran into difficulty mounting the capacitance hats on...

A 3-element rotatable 40 meter yagi is big, really big. It is not an antenna that accommodates repeated adjustments since it is far too larg...

In the most common configuration stacked yagis are fed in phase to develop maximum gain in the forward direction. Reverse phase feeding is a...

6 meters is not for every DXer. The bulk of the openings are sporadic E and it really is sporadic, even during the peak season. Openings can...