What does short wave mean?

Definitions for short wave
short wave

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

Princeton's WordNet

  1. short wavenoun

    a radio wave with a wavelength less than 100 meters (a frequency greater than 3 megahertz)

Wikipedia

  1. short wave

    Shortwave radio is radio transmission using shortwave (SW) radio frequencies. There is no official definition of the band, but the range always includes all of the high frequency band (HF), which extends from 3 to 30 MHz (100 to 10 metres); above the medium frequency band (MF), to the bottom of the VHF band. Radio waves in the shortwave band can be reflected or refracted from a layer of electrically charged atoms in the atmosphere called the ionosphere. Therefore, short waves directed at an angle into the sky can be reflected back to Earth at great distances, beyond the horizon. This is called skywave or "skip" propagation. Thus shortwave radio can be used for communication over very long distances, in contrast to radio waves of higher frequency, which travel in straight lines (line-of-sight propagation) and are limited by the visual horizon, about 64 km (40 miles). Shortwave broadcasts of radio programs played an important role in the early days of radio history. In World War II it was used as a propaganda tool for an international audience. The heyday of international shortwave broadcasting was during the Cold War between 1960 and 1980. With the wide implementation of other technologies for the distribution of radio programs, such as satellite radio and cable broadcasting as well as IP-based transmissions, shortwave broadcasting lost importance. Initiatives for the digitization of broadcasting did not bear fruit either, and so as of 2022, few broadcasters continue to broadcast programs on shortwave. However, shortwave remains important in war zones, such as in the Russo-Ukrainian war, and shortwave broadcasts can be transmitted over thousands of miles from a single transmitter, making it difficult for government authorities to censor them.

ChatGPT

  1. short wave

    Short wave refers to a type of radio wave characterized by its short wavelength, typically ranging from 10 to 100 meters. These waves have high frequencies, usually in the range of 3 to 30 Megahertz. Short waves can reflect off the ionosphere, which enables them to travel long distances, even around the globe, making them particularly useful in radio communication.

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Numerology

  1. Chaldean Numerology

    The numerical value of short wave in Chaldean Numerology is: 3

  2. Pythagorean Numerology

    The numerical value of short wave in Pythagorean Numerology is: 5

Examples of short wave in a Sentence

  1. Marta Nunes:

    It was a short wave ... and the good news is that it was not very severe in terms of hospitalizations and deaths.

  2. Marta Nunes:

    The drop in new cases nationally combined with the sustained drop in new cases seen here in Gauteng province, which for weeks has been the center of this wave, indicates that we are past the peak, it was a short wave ... and the good news is that it was not very severe in terms of hospitalizations and deaths.

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"short wave." Definitions.net. STANDS4 LLC, 2024. Web. 27 Feb. 2024. <https://www.definitions.net/definition/short+wave>.

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