What does e layer mean?

Definitions for e layer
e lay·er

This dictionary definitions page includes all the possible meanings, example usage and translations of the word e layer.

Princeton's WordNet

  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

Wikipedia

  1. e layer

    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

  1. e layer

    The E layer, also known as the Kennelly-Heaviside layer, is one of the layers in the Earth's ionosphere, situated at an altitude of about 90-120 kilometers above the Earth's surface. It is primarily ionized by UV radiation from the Sun, making it the region of the atmosphere that reflects medium-wave radio signals, enabling long-distance communication. Its ionization can vary greatly based on the level of solar radiation, often disappearing completely at night.

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Numerology

  1. Chaldean Numerology

    The numerical value of e layer in Chaldean Numerology is: 8

  2. Pythagorean Numerology

    The numerical value of e layer in Pythagorean Numerology is: 3

Examples of e layer in a Sentence

  1. Cameron Clayton:

    Every business is affected by weather. But for energy companies and their customers, it can mean the difference between whether they can keep the lights on and heat their homes, the ability to layer weather data with satellite and sensor data gives utility companies powerful new insights to help them improve operations and minimize impact on their customers.

  2. Anthony Fauci:

    If you have a physical covering with one layer, you put another layer on, it just makes common sense that it likely would be more effective and that's the reason why you see people either double masking or doing a version of an N95.

  3. Kristin Lee:

    While most people know to use one in their checked luggage, I recommend also putting one in your carry-on bag and personal bag, you can then sync the AirTag with someone you trust. This adds an extra layer of security and allows for that trusted person to immediately know your location, even if you get separated from your phone.

  4. Andrew Cuomo:

    That is an intelligent division of labor - let each layer of government do what it does best.

  5. Harriet Isaac-Cole:

    Carpet adds a layer of softness and warmth that hard floor sometimes can’t give you.

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"e layer." Definitions.net. STANDS4 LLC, 2024. Web. 19 Mar. 2024. <https://www.definitions.net/definition/e+layer>.

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