Links

Reference

• Bandplans
• Signal Identification Guide
• HF Underground (Pirate stations)

Web SDR

• ETGD radio club (University of Twente)

Propagation

• PSKReporter
• NCDXF/IARU International Beacon Project
• Live Lightning Map

Digital modes

• 30 meters Digital Group
• NAVTEX
• Radiofax
• SSTV Handbook (PDF)
• SSTV software
• WSJT
• Modes & software (obsolete?)
• SDR-ES (Spanish)

Antennas

• The End Fed Half Wave Antenna and How to Make An End Fed Half Wave Antenna Work, by Steve Yates - AA5TB
• VK4YE Compact End-Fed 5 Band HF Antenna

Satellite

• Othernet
• APRS over Othernet
• N2YO.com satellite positioning

Gadgets

• QRP Labs Clock kit and GPS module