zigzag reflections

zigzag reflections

[′zig‚zag ri‚flek·shənz]
(electromagnetism)
From a layer of the ionosphere, high-order multiple reflections which may be of abnormal intensity; they occur in waves which travel by multihop ionosphere reflections and finally turn back toward their starting point by repeated reflections from a slightly curved or sloping portion of an ionized layer.