General Class License Manual
All you need to pass your General Class Exam! 7th edition ©2011, including software for exam practice. Learn More
GCLM Online Supplement
Our online supplement for ARRL's General Class License Manual provides additional reference links for more background information. Learn More
A free mentored license exam study program offered by Fred Benson, NC4FB, that covers Technician/General/Extra is available for candidates who need assistance in preparing for license exams. Candidates need to have an email address and Internet access.
Dan Romanchik, KB6NU, No-Nonsense General Class Study Guide
Need to brush up on scientific notation? Need more help understanding decibels? Check out these tutorials!
- A Helpful Discussion about Power and Decibels
- Converting Units of Measurement
- Tutorial on Scientific Notation
- The Metric System
- Tutorials on Math for License Exams
- Algebra/Trigonometry/Geometry "Cheat Sheets" and downloadable graph paper