Definitions for e region
e re·gion

Princeton's WordNetRate this definition:0.0 / 0 votes

1. 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

WikipediaRate this definition:0.0 / 0 votes

1. 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.

ChatGPTRate this definition:0.0 / 0 votes

1. 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

1. • Ionosphere
   • Region

How to pronounce e region?

1. Alex

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   David

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   Mark

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   Daniel

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   Libby

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How to say e region in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of e region in Chaldean Numerology is: 1

2. Pythagorean Numerology

   The numerical value of e region in Pythagorean Numerology is: 1

Examples of e region in a Sentence

1. Finnish President Sauli Niinisto:

   We all know the risk with these flights and I have suggested that we should agree that transponders are used on all flights in the Baltic Sea region.

2. Christine Lagarde:

   The country (Cameroun) and the entire CEMAC region are confronted with the twin shocks of the oil-price slump and a surge in disruptions related to security.

3. President Trump:

   We can not be the policeman of the world, we can not protect countries all over the world, where they're not paying us what we need. When asked whether United States has to do something regarding North Korea, National Security Adviser H.R. McMaster said, Well yes, we do have to do something, and so we have to do something, again, with partners in the region and globally, and that involves enforcement of the UN sanctions that are in place. United States may mean ratcheting up those sanctions even further, and it also means being prepared for military operations if necessary, he said. Trump has, since in office, attempted to form alliances with world leaders to solve such global crises as the Syrian civil war and the North Korea nuclear threat, including an outreach to China President XI Jinping.

4. Antony Blinken:

   We have concerns about some of the recent military activities in the Arctic, that Increases the dangers of accidents and miscalculations and undermines the shared goal of a peaceful and sustainable future for the region.

5. Bob Corker:

   I would rather the administration continue to negotiate than agree to a bad deal that would only create more instability in the region and around the world.

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=e region
2. ^ Wikipedia
   https://en.wikipedia.org/wiki/E_Region
3. ^ ChatGPT
   https://chat.openai.com