Solar Activity & HF Propagation
Paul Harden NA5N is well known in QRP circles. At FDIM (Four Days In May) 2005 he made a presentation […]
Paul Harden NA5N is well known in QRP circles. At FDIM (Four Days In May) 2005 he made a presentation […]
The SpaceWeather website contains lots of information that should be of interest to ham radio enthusiasts. Solar activity is featured