Letters that make sky wave
s, a, e, k, v, w, y are letters that make 'sky wave'
s, a, e, k, v, w, y are letters that make 'sky wave'
1 possible definitions for 'sky wave'
Under this definition, sky wave is a noun and has the following properties:
'sky wave' can be a type of radio wave, radio emission, radio radiation.
ionospheric wave is a type of sky wave.