| At the heart of this power supply is the type 723 voltage regulator. Despite its age, the 723 is still popular among radio amateurs becau...
All items tagged with Portable and FM (3)
| This transceiver was designed in response to a need for a simple, easy to build, self-contained radio for use through the loeal 23-em (...
| The 2-metre band has been popular tor three decades and Ionger tor short, medium-range and mobile communication between radio amateurs,...