amateur radio

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amateur radio

[′a·mə·chər ′rād·ē‚ō]
(electronics)
A radio used for two-way radio communications by private individuals as leisure-time activity. Also known as ham radio.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

amateur radio

Also called "ham radio," it is wireless voice communications that can reach "ham operators" up to hundreds of miles away, sometimes thousands. Amateur radio is often a hobby, but can also be a public service. Dating back to the early 1900s when Morse code was transmitted rather than voice, amateur radio operates in the shortwave frequency bands using AM, FM, SSB (single sideband) and other modulation methods.

Licensing Is Required
In order to use an amateur radio, applicants must pass a test, which varies depending on the country. There are several test levels, each one granting more privileges to the operator, such as range of frequencies and antenna power. Licensed operators are issued a "callsign," which identifies them on the air.

In the U.S., amateur radio's origins lingered for decades, requiring Morse code proficiency to obtain a basic license until 1991. Finally, in 2007, Morse code was dropped for advanced licenses. See EchoLink.
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References in periodicals archive ?
I began by meeting with a group of 10 students from a study hall to talk about exploring technology through an amateur radio club. We formed the club shortly thereafter, basing it in our classroom.
As Rhiwbina Recreation Club prepares to celebrate its centenary, Cathy Owen discovered how it has moved with the times and offers something for everyone WITH an amateur radio club, chess club, amateur dramatic society, zumba and salsa classes, bowls, tennis, one of the biggest rugby clubs in Wales, squash and a monthly quiz night all under one roof, you can be very busy as a member of Rhiwbina Recreation Club in Cardiff.
The presence of local interference was found to be a significant problem and Mr Hyde will be working with his local amateur radio club to relocate the equipment to a rural site to see if this improves matters.
The 53-year-old is an Amateur Radio[TM] operator who volunteers for several monitor-and-assist organizations such as the Flagler/Palm Coast Amateur Radio Club, the Maritime Mobile Service Network, and the Pacific Searfarers Network.
Northumbria Amateur Radio Club and the Border Amateur Radio Society will gather tomorrow at Barmoor Castle Country Park near Lowick in Northumberland.
Tickets available on line www.hamptonhypnosis.com or contact Suzie on 00346 26830626 or 07517 892021 or email suzie.gibb@yahoo.co.uk WIRRAL: Wirral Schools' Amateur Radio Club has been awarded a Community Initiative grant by the New Brighton and Wallasey Ward forum of Wirral.
It was being sold by Denby Dale Amateur Radio Club at their annual sale which raised about pounds 700 for the club..
There will also be special transmissions by the Southport & District Amateur Radio Club which will run a VHF and HF station at the event.
A second father befriended by Stephens over the airways said: 'He attended an amateur radio club with us which was held in a school.
In preparation for the event, the Azle Mayor and City Council will issue a proclamation on June 19 declaring Amateur Radio week in the city of Azle, in recognition of the ongoing cooperation between the Tri-County Amateur Radio Club and the City of Azle.
Members of amateur radio groups, including the newly formed waygood Amateur Radio Club for artist, will give practical demonstrations in the Grainer Market, Newcastle, between 10am and 5pm.
It has been organised by the Waygood Gallery, which has set up its own Waygood Amateur Radio Club for Artists - believed to be the first in the world.

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