Arrl's Extra Q a 4th Edition

Upgrade to an Extra Class Ham Radio License NOW! It's Quick and Easy with this study guide and the convenient question and answer format.Extra Class is the highest of all three Amateur Radio licenses!This fourth edition of ARRL's Extra Q & A is your authoritative guide to every question in the Extra (Element 4) question pool--everything you need to pass the top-level Amateur Radio license exam! With more than 700 questions included in the question pool, using ARRL's Extra Q & A is the best way to review for the exam with confidence.Pass the 50-question (Element 4) testIncludes the latest question pool with answer key, for exams beginning July 1, 2016Read and understand. Brief explanations follow each question