Propagation

Question 27 of 30

In the HF bands, maximum transmitting distance is achieved by

  1. ground wave
  2. multiple refraction by the D-layer, and multiple reflection by earth
  3. a refraction by the F1-layer
  4. multiple refraction by the F2-layer, and multiple reflection by earth
1 2 3 4


Back
page (tq2127)
Some material Copyright John Bowyer G4KGS.
Click here for important Copyright information
Web Space provided by Hostroute.com Ltd Contact details