What does e region mean?
Definitions for e region
e re·gion
This dictionary definitions page includes all the possible meanings, example usage and translations of the word e region.
Princeton's WordNet
Heaviside layer, Kennelly-Heaviside layer, E layer, E regionnoun
a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length
Wikipedia
e region
The Heaviside layer, sometimes called the Kennelly–Heaviside layer, named after Arthur E. Kennelly and Oliver Heaviside, is a layer of ionised gas occurring roughly between 90km and 150 km (56 and 93 mi) above the ground — one of several layers in the Earth's ionosphere. It is also known as the E region. It reflects medium-frequency radio waves. Because of this reflective layer, radio waves radiated into the sky can return to Earth beyond the horizon. This "skywave" or "skip" propagation technique has been used since the 1920s for radio communication at long distances, up to transcontinental distances. Propagation is affected by the time of day. During the daytime the solar wind presses this layer closer to the Earth, thereby limiting how far it can reflect radio waves. Conversely, on the night (lee) side of the Earth, the solar wind drags the ionosphere further away, thereby greatly increasing the range which radio waves can travel by reflection. The extent of the effect is further influenced by the season, and the amount of sunspot activity.
ChatGPT
e region
The E region, also known as the Kennelly-Heaviside layer, is a layer of the Earth’s ionosphere that lies between the altitude of approximately 90 km to 150 km. It is named after Arthur E. Kennelly and Oliver Heaviside. The E region contains electrically charged particles, or ions, and plays a crucial role in the propagation of radio waves. It's known for reflecting medium to high-frequency radio waves. This reflection of waves allows long-distance radio communication. The ionization level (density of ionization particles) in this region varies based on time of day, season, geographical location, and solar activity.
Matched Categories
Numerology
Chaldean Numerology
The numerical value of e region in Chaldean Numerology is: 1
Pythagorean Numerology
The numerical value of e region in Pythagorean Numerology is: 1
Examples of e region in a Sentence
In the current highly sensitive situation in the region (where) insecurity has engulfed some countries, the lively holding of the elections of the Assembly of Experts and Majlis (parliament) in a completely calm and orderly atmosphere can serve as a model of democracy for nations.
We need to achieve peace and a way forward in Syria, in Yemen ... in the region.
International Civil Aviation Organization:
We actively engage the states in that region, in particular Ukraine and Russia, to make the states to coordinate and so far I think there has been some progress but at this stage I think they still did not find a solution.
We have got consensus to fundamentally change the governance of soccer (in the region), the fact is that the organization is in a lot of trouble and I think people recognize that. But we are in an enviable position in that we have a choice to make.
Our model results that we did last year predicted that within 18-24 months after the crash, it was a possibility that it would have ended up within that region.
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"e region." Definitions.net. STANDS4 LLC, 2024. Web. 6 Jun 2024. <https://www.definitions.net/definition/e+region>.
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