Beginner & Intermediate Resources
HamRadioSchool.com
An educational site with accessible articles covering the basics of amateur radio.
ARRL "Your First Antenna" Guide
Antenna theory (kept beginner-friendly) and simple antenna projects that new operators can build themselves.
Nuts & Volts Magazine
Magazine-style resources blend theory with practical tips in an easy-to-read format for newcomers.
HackadayU
Free online video course (6-part series) taught by RF engineer Karen Rucker, tailored for beginners.
Theory-Focused & Academic Resources
Antenna-Theory.com
Provides a comprehensive overview of antennas, from design, to measurement and theory, deliberately avoiding unnecessary complex math.
NPTEL Antennas Course
A free online course from India's NPTEL program (IIT Bombay) covering fundamental antenna concepts.
MIT OpenCourseWare - Receivers, Antennas, and Signals
An MIT OCW course that delves into RF signal detection and antenna fundamentals.
Microwaves101 Encyclopedia
An online encyclopedia for RF/microwave engineering with detailed explanations of transmission lines, cables, and connectors.
Hands-On & Practical Guides
HamUniverse.com
A classic ham radio DIY resource hub, hosting numerous how-to articles submitted by enthusiasts.
VK3YE's Antenna Projects
Amateur radio operator Peter Parker (VK3YE) shares a treasure trove of homebrew antenna projects on his website and YouTube channel.
ARRL Tech Tips (Connectors & Cables)
"Connectors for (Almost) All Occasions" (Parts 1 & 2) cover common ham station connectors (PL-259/UHF, N-type, BNC, DIN, etc.) and how to install them.
YouTube Ham Radio How-Tos
Free tutorials on antennas and RF equipment. Learn how to use antenna analyzers, measure coax loss, and tune antennas.
Enthusiast Communities & Forums
Reddit – r/amateurradio
An active subreddit where amateur radio enthusiasts worldwide discuss the hobby, ask questions, and share projects.
Stack Exchange - Amateur Radio
A question-and-answer forum for ham radio operators that has matured into a reputable knowledge base.
eHam.net
A long-running amateur radio community site featuring forums, product reviews, and an extensive collection of user-contributed articles.
QRZ Forums
Hosted by the QRZ callsign database site, these forums are populated by a large audience of hams.