The Amateur Radio Extra Course is the highest level license in Ham Radio which opens additional privileges on amateur radio frequency bands. This course requires dedicated study time and does involve doing some math requiring a scientific calculator. Students will need to provide their own textbook. Family member may share a book. Cost - $32.95 Required textbook - ARRL Extra Class License Manual 12th Edition, ISBN: 978-1-62595-131-1 CLASS IS ONLINE, BUT TEST WILL BE GIVEN IN PERSON ON 5/11.