Experimental Methods in RF Design (EMRFD) is a foundational text by Wes Hayward, Rick Campbell, and Bob Larkin that bridges theory and practice, focusing on hands-on design, construction, and measurement. It is praised as a comprehensive resource for hobbyists transitioning to circuit design, though some users find it challenging for absolute beginners. For more information on this publication, visit ARRL . ARRL Releases Experimental Methods in RF Design