An extremely practical how-to manual to protect almost any radio from both EMP and CME damage. James Wesley, Rawles thought this book so important that he wrote the Foreword, pointing out this book could save the life of your loved ones, and keep your business from being destroyed by EMP/CME events. If you want your radio to work no matter what the Sun or a nuclear EMP throws at you, this book is for you. Written by an experienced Electrical Engineer / Physician with > 40 years of amateur radio experience.