Online Resources

Here are some resources that I have found useful:

Useful Links

QRZ.com HamStudy.org eHam.net ARRL RTL-SDR DXZone HamQTH SolarHam.com FCC Amateur Radio Service

Textbooks

Math

Calculus 1 Calculus 2 Calculus 3

Physics

University Physics 1 University Physics 2 University Physics 3 Statics and Dynamics Demystified

Electronics

Lessons in Electric Circuits (Kuphaldt, 6-vol. OER)NEETS Module 10: Wave Propagation, Transmission Lines, and Antennas (USN)Electromagnetics, Vol. 1 (Ellingson, Virginia Tech)Electromagnetics, Vol. 2 (Ellingson, Virginia Tech)Engineering Electromagnetics, 9th Edition (Hayt & Buck)Electric Circuits Eleventh Edition (Nilsson & Riedel)Op Amps for Everyone (TI, MIT)Op Amp Applications Handbook (Analog Devices)Analog Devices MT-series tutorials Microwave & RF Design (Michael Steer; open edition)

Antennas

ARRL Antenna Book, 21st edition Antenna Theory: Analysis and Design (Balanis, 4th edition)Antenna Engineering Handbook (All Versions). Authored by Johnson and Jasik (4th edition is by Volakis)USMC Antenna Handbook NIST antenna gain measurement notes

Grounding / Bonding / Shielding

MIL-HDBK-419A, Vol. 1 MIL-HDBK-419A, Vol. 2

Propagation / Noise

ITU-R P.533 (HF propagation prediction method)ITU-R P.372 (Radio noise)