This study guide for HAM Amateur Radio Operators is for the Extra Class. This study guide contains 625 test questions, with answers, from a test pool as released by the Question Pool Committee, National Conference of Volunteer Examiner Coordinators. Actual test questions administered when you apply for your license can vary, but if you know all of these questions, you will be in pretty good shape! Of course, you still need to study your course material and we canot guarantee accuracy or results.