I put the IFR 1600 to work tuning duplexer cavities for the first time today. I went back through the BP/BR cavities on the 224.980 MHz KK4ICE repeater. I’m quite pleased with both the service monitor and the cavities. These screen shots show the pass and reject tuning and performance after I finished tuning the […]
Category: 220 MHz
220 Mhz, 6-Element Beam Antenna
I built this handheld 220Mhz, 6-Element beam yesterday. It’s constructed of a 48″x1/2″x1-1/2″ strip of Poplar, six silicon bronze welding rods, and a piece of coax robbed from an old, broken mobile antenna mount. The PVC handle added to the end is simply to make it easier to hand-hold. Initial testing of the antenna brought […]