• ARRL
• QRZ.com
• eHam.net
• VHF-APRS Propagation Map
• DX Sherlock VHF
• DX Sherlock HF
• Vanity HQ
• SM3CER Contest Calendar
• 3830 contesting Brag Site
• Ham Radio Deluxe - Radio Control Program
• Clear Lake (TX) Amateur Radio Club
• KC VHF Grid Bandits
• VHF Scores and Logs
• TX Repeater Search site
• Gigaparts Sweepstakes

Amateur Radio Online Practice Test Sites

Technician:

• eHam.net
• AA9PW's site
• QRZ.com
• HamExam.org
• W8MHB