Hi, Harold Kinley wrote an excellent article in MRT magazine a few years ago on aligning circulators. Maybe they still have re-prints. I have old contact details for Harold Kinley taken from MRT magazine. See below. You should also buy his *Standard Radio Communications Manual, with Instrumentation and Testing Techniques. *
Contributing editor Kinley, *MRT's* technical consultant and a certified electronics technician, is regional communications manager, South Carolina Forestry Commission, Spartanburg, SC. He is the author of *Standard Radio Communications Manual, with Instrumentation and Testing Techniques,* which is available for direct purchase. Write to 204 Tanglewylde Drive, Spartanburg, SC 29301. His email address is halkin...@charter.net. On Wed, Aug 18, 2010 at 3:18 PM, cruizzer77 <atlant...@gmx.ch> wrote: > > > Does anyone have a datasheet or tuning instructions for this kind of > circulator? It's a single stage with 3 adjustment screws and right now the > sticker says it's on 420 MHz and I would like to know how I get a working > range from 430 to 440 MHz. If somebody can explain without the doc this is > fine as well. > > 73 > Martin > > >
