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Ham Radio License Manual

Technician Class License Manual Supplement

Use the ARRL Ham Radio License Manual, 4th edition, as your textbook to help you pass the Technician Class License exam. Refer to the supplemental information below for additional references that may be helpful to you.

Updates and Corrections

Ham Radio License Manual Supplemental Information and Errata-

After publication we sometimes find omissions or need to make corrections to published content.

Click here for the most current supplements and corrections to the 4th edition  (01/20/21)

The question pool in the order in which the questions are discussed in the HRLM can be found here.

You can also practice for your exam online at the ARRL Exam Review for Ham Radio site here.