built one of those cheap automatic antenna tuners you see everywhere — this one scaled up to 350 watt capability....
antenna tuner
When it comes to amateur radio, one size definitely does not fit all. That’s especially true with antennas, which need...
If you want to deliver the maximum power to a load — say from a transmitter to an antenna —...
The United States and a few other countries have an astounding array of homeowners’ associations (HOAs), local organizations that exert...
Something that all radio amateurs encounter sooner or later is the subject of impedance matching. If you’d like to make...
MFJ Enterprises, Inc founder Martin F. Jue, K5FLU, announced that as of May 17, 2024, the company will cease on-site...
Martin Jue, K5FLU, founded the company in 1972 after building a CW filter kit that sold for less than $10....
If there’s anything about amateur radio that has more witchcraft in it than the design and implementation of antennas, we...
