Invented by amateur radio operators

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Accountability time. One of my goals at the start of the year was to earn my amateur radio license before the end of March As I do that, I wanted to take a minute and talk about why I think a ham radio license is a worthy pursuit and my plan for getting there.

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Amateur radio or Ham radio is a hobby enjoyed by thousands of people throughout the world. A Ham radio amateur uses radio equipment to communicate with other radio amateurs for recreation, public service and self-training. Amateur radio enthusiasts have made significant contributions to science, industry and engineering.

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Amateur radioalso called ham radiononcommercial two-way radio communications. Messages are sent either by voice or in International Morse Code. Interest in amateur radio arose around the turn of the 20th century, shortly after Italian inventor Guglielmo Marconi successfully sent the first transatlantic wireless signal in

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This is a tour of amateur radio history, beginning around the turn of the last century. It unfolds blog-style in periodic installments or chapters. It presents stories in chronological order.

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In California, volunteers save lives as part of their involvement in an emergency communications network. And at the scene of a traffic accident on a Chicago freeway, a ham calls for help by using a pocket-sized hand-held radio. This unique mix of fun, public service, and convenience is the distinguishing characteristic of amateur radio.

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Amateur radioalso known as ham radiois the use of radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosportcontestingand emergency communication. The term "amateur" is used to specify "a duly authorised person interested in radioelectric practice with a purely personal aim and without pecuniary interest;" [1] either direct monetary or other similar reward and to differentiate it from commercial broadcastingpublic safety such as police and fireor professional two-way radio services such as maritime, aviation, taxis, etc. The amateur radio service amateur service and amateur-satellite service is established by the International Telecommunication Union ITU through the Radio Regulations.

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The History of Amateur Radio. The american amateur Edmund B. Durham, 3VM, in Document Spark Museum.

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An amateur radio operator is someone who uses equipment at an amateur radio station to engage in two-way personal communications with other amateur operators on radio frequencies assigned to the amateur radio service. Amateur radio operators have been granted an amateur radio license by a governmental regulatory authority after passing an examination on applicable regulations, electronics, radio theory, and radio operation. As a component of their license, amateur radio operators are assigned a call sign that they use to identify themselves during communication.

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Forgot Password? InJames Clerk Maxwell presented his theory of the electromagnetic field. In Guglielmo Marconi communicated across the Atlantic with a radio device using high power and giant antennas.

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