Assertion: surface wave | /r/HasProperty | a mode of propagation
Facets:
value: as the path-loss exponent
type: MANNER
value: in radio space wave propagation
type: LOCATION
Source sentences:
text: Evidence does not show that in radio space wave propagation, Sommerfeld-Zenneck surfaces waves are a mode of propagation as the path-loss exponent is generally between 20 dB/dec and 40 dB/dec.