Projects

This article describes my DIY attempt at building a manual antenna tuner. This is based on the plans for the ZM-2 tuner as sold by Emtech. My version suffers from considerable parts substitution, as I was building from whatever components I had available that seemed "near...

The FA-AS Automatic Antenna Selector enables four different antennas to be connected to the IC-7300. The cascade of coaxial switches are banished from my desk, and the correct antenna is now automatically selected per the transceiver's selected frequency. By Steven Pemberton, VK3PBJ...