Noun
skywave (plural skywaves)
(radio) An electromagnetic wave refracted back to the Earth by the ionosphere.
At this medium wavelength, long distance transmission in the daytime is not possible because of heavy absorption of the skywave in the ionosphere. Source: Internet
Kluwer, Dordrecht 1993 ISBN 0-7923-0775-5 Predictions of skywave propagation depend on: *The distance from the transmitter to the target receiver. Source: Internet
The F₂ layer remains by day and night responsible for most skywave propagation of radio waves, facilitating high frequency (HF, or shortwave ) radio communications over long distances. Source: Internet
The ionization of the atmosphere varies with time of day and season as well as with solar conditions, so the upper frequency limit for skywave communication varies on an hourly basis. Source: Internet
This prevents skywave propagation from being very effective on mediumwave frequencies in daylight hours. Source: Internet