General Class Audio Theory Course Author:Gordon West This audio theory course is a "book on CD" recorded by Gordon West. Listen to the sounds of ham radio as Gordon teaches you the material you need to know to pass your FCC Element 3 exam for your high-frequency General Class amateur radio license. Valid for exams from July 1, 2004 through June 30, 2008. A great way to study if you spend a lot o... more »f time in your car or truck -- and a great aid to use with Gordon's General Class book, 0945053339.« less