Doug Nix is a future ham operator from Ontario who's been blogging summaries of classes he's taking through RAC. The articles are very detailed and might be useful to someone wishing to get started with Amateur Radio. Here's the list of topics he covered:

• Foundation
• Introduction to Electronics
• Ohm's Law
• Magnetism and Inductance
• Capacitance to Resonance
• Waves, Wavelength, Frequency, and Bands
• Propagation
• Transmission Lines
• Antennas (Part 1, Part 2)
• Diodes, Transistors and Tubes
• Power Supplies
• Getting on the Air
• Transmission Modes
• Receiver
• Wrestling with the Noise
• Safety Fundamentals
• Understanding Amateur Radio Regulations
• Amateur Radio Code of Conducts and Ethics
• Reflection