stephan-welborn documents

T3-1 Chapter 3 – Radio Phenomena Propagation: How Signals Travel Propagation On The HF Bands –Ground-wave Propagation –Sky-wave Propagation –HF Scatter
Documents T3-1 Chapter 3 – Radio Phenomena Propagation: How Signals Travel Propagation On The HF Bands –Ground-wave Propagation –Sky-wave Propagation –HF Scatter