Books
Easy(er) Electrical Principles for General Class Ham License (2015-2019)
2015
Easy(er) Electrical Principles for Extra Class Ham License (2012-2016)
2015
Easy(er) Electrical Principles for General Class Ham License (2019-2023)
2022
Oversimplified Ham Exam for Technician Class License (2022-2026)
2022
General Ham Exam: with Comments (2023-2027)
2023