10 relations: Amateur radio, Castro Valley, California, Communication, Developing country, Nonprofit organization, QSL card, Radio-frequency engineering, State of the art, Transport, United States.
Amateur radio
Amateur radio, also known as ham radio, describes the use of radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communication.
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Castro Valley, California
Castro Valley is a census-designated place (CDP) in Alameda County, California, United States.
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Communication
Communication (from Latin commūnicāre, meaning "to share") is the act of conveying intended meanings from one entity or group to another through the use of mutually understood signs and semiotic rules.
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Developing country
A developing country (or a low and middle income country (LMIC), less developed country, less economically developed country (LEDC), underdeveloped country) is a country with a less developed industrial base and a low Human Development Index (HDI) relative to other countries.
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Nonprofit organization
A non-profit organization (NPO), also known as a non-business entity or non-profit institution, is dedicated to furthering a particular social cause or advocating for a shared point of view.
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QSL card
A QSL card is a written confirmation of either a two-way radiocommunication between two amateur radio stations or a one-way reception of a signal from an AM radio, FM radio, television or shortwave broadcasting station.
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Radio-frequency engineering
Radio-frequency engineering, or RF engineering, is a subset of electrical engineering involving the application of transmission line, waveguide, antenna and electromagnetic field principles to the design and application of devices that produce or utilize signals within the range of about 20 kHz up to 300 GHz.
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State of the art
State of the art (sometimes cutting edge) refers to the highest level of general development, as of a device, technique, or scientific field achieved at a particular time.
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Transport
Transport or transportation is the movement of humans, animals and goods from one location to another.
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United States
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
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