Kennelly–Heaviside layer theory

E63328

Kennelly–Heaviside layer theory is an early 20th-century scientific model proposing the existence of a conductive layer in the upper atmosphere that reflects radio waves, helping to explain long-distance radio communication.

All labels observed (4)

How this entity was disambiguated

Statements (39)

Predicate Object
instanceOf atmospheric physics model
radio propagation theory
scientific theory
addresses problem of radio signals traveling beyond line-of-sight
application planning of early transcontinental radio links
understanding day–night variation in radio reception
assumes presence of ionized gases at high altitude
radio waves can be reflected or refracted by ionized layers
category history of atmospheric science
history of radio
concerns electromagnetic wave propagation in the atmosphere
frequency-dependent behavior of radio waves
describes existence of a conductive layer in the upper atmosphere
reflection of radio waves by the upper atmosphere
explains long-distance radio communication beyond the horizon
skywave radio propagation
field ionospheric physics
radio physics
telecommunications
historicalContext developed soon after the advent of wireless radio
influenced design of long-range radio communication systems
development of wireless telegraphy
namedAfter Arthur E. Kennelly
surface form: Arthur Edwin Kennelly

Oliver Heaviside
precedes modern ionospheric theory
predicts radio waves can return to Earth after reaching upper atmosphere
proposedBy Arthur E. Kennelly
surface form: Arthur Edwin Kennelly

Oliver Heaviside
relatedConcept D layer of the ionosphere
E layer of the ionosphere
F layer of the ionosphere
groundwave
skywave
relatesTo Kennelly–Heaviside layer theory self-linksurface differs
surface form: Heaviside layer

ionosphere
medium-wave radio propagation
shortwave radio propagation
status superseded in detail by modern ionospheric models but historically important
timePeriod early 20th century

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Arthur E. Kennelly notableWork Kennelly–Heaviside layer theory
Arthur E. Kennelly knownFor Kennelly–Heaviside layer theory
this entity surface form: Kennelly–Heaviside layer
Kennelly knownFor Kennelly–Heaviside layer theory
subject surface form: Arthur E. Kennelly
this entity surface form: Heaviside–Kennelly layer
Kennelly–Heaviside layer theory relatesTo Kennelly–Heaviside layer theory self-linksurface differs
this entity surface form: Heaviside layer