Tag: low bands
- Gray Line Propagation: Why the Half Hour Around Sunrise and Sunset Reaches So Far 2026-10-18 · Antennas & Propagation
Low bands are absorbed by day and noisy by night. The gray line is the brief window when the D layer fades but the F layer stays — here is how to use it.
- Vertical Antenna Radials: Why the Ground System Decodes Success or Failure 2026-10-18 · Antennas & Propagation
A quarter-wave vertical is only half an antenna; the other half lives in the ground. Here is how buried and elevated radials compare, and the three mistakes that waste the most power.