G3C08:

Why are HF scatter signals in the skip zone usually weak?

  1. Only a small part of the signal energy is scattered into the skip zone
  2. Signals are scattered from the magnetosphere, which is not a good reflector
  3. Propagation is through ground waves, which absorb most of the signal energy
  4. Propagation is through ducts in the F region, which absorb most of the energy