I wonder what the diameter of the center element, or plunger, was? Joe
Jeff DePolo wrote: > I used both. I used UHF 4" pass cavities as 3/4 wave resonators, and also > took 900 MHz 1/4 wave cavities and cut down the center to shorten them. In > both cases they were TX-RX 4" cavities. Also, the TX-RX 1.2 GHz duplexers > use 4" cavities, 1/4 wave resonators. I haven't converted any pass/reject > yet, but should be straightforward. > > --- Jeff WN3A > >
