Solar X-rays:
Geomagnetic Field:

The Staples

• QRZ.com
• The DXZone

Study

• Guide to Amateur Radio for New Hams
• Gordon West Radio School
• W5YI : Your Resource for Amateur and Commercial Radio
• Keplerian Elements Tutorial

Practice Testing

• QRZ's Practice Amateur Radio Exams
• AA9PW FCC Amateur Radio Practice
• eHam.net Ham Exams

Morse Code

• NW7US Morse Code (CW) Radio Center
• Super Morse
• Morse Code Trainers
• Morse Code MIDI Ringtone Generator
• Morse Code Training

Software

• Software for Amateur Radio
• AMSAT Satellite Related Software
• N0HR Pocket PC Ham Radio Apps

Shopping

• HRO
• GigaParts
• HamStop
• R&L Electronics
• Nifty! Ham Accessories
• The Manufacturers
  • Alinco
  • Icom
  • Kenwood
  • Yaesu