For 100 years, ARRL has been at the forefront of promoting technical advancement and improvements in radio operating practices. The handbook is written by radio amateurs ... for radio amateurs, experimenters, engineers and students.
This handbook contains practical projects, antennas, and useful references for hams, engineers and researchers. Subjects covered include mathematics for amateur radio, safety practices, mixers, modulators and demodulators, propagation, circuit construction, and more.