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ROHN Manufacturing was founded in 1948 by Dwight Rohn, who at the time was manager of the Peoria Airport. The first tower he built was for airport use. [ 1 ] ROHN first began producing antenna towers for home television reception, and subsequently expanded its product line to include the manufacturing of telecommunication towers and other ...
Radio tower in Jamshoro. Radio, television and cell towers have been documented to pose a hazard to birds. Reports have been issued documenting known bird fatalities and calling for research to find ways to minimize the hazard that communications towers can pose to birds. [19] [20]
Philippine Amateur Radio Association: Poland Polski Związek Krótkofalowców: Portugal Rede dos Emissores Portugueses: National Amateur Radio Association representing amateur radio in Portugal. Member society of IARU Qatar Qatar Amateur Radio Society: Romania Federatia Romana de Radioamatorism: Romanian Amateur Radio Federation Russia
28/22 NEWS (WBRE/WYOU) — An amateur radio club at a local college is connecting students with other radio enthusiasts from around the world while engaging in groundbreaking research. From the ...
A mast radiator (or radiating tower) is a radio mast or tower in which the metal structure itself is energized and functions as an antenna. This design, first used widely in the 1930s, is commonly used for transmitting antennas operating at low frequencies , in the LF and MF bands, in particular those used for AM radio broadcasting stations.
The American Radio Relay League (ARRL) is the largest membership association of amateur radio enthusiasts in the United States. ARRL is a non-profit organization and was co-founded on April 6, 1914, by Hiram Percy Maxim and Clarence D. Tuska of Hartford, Connecticut .
This is a list of repeater sites for amateur radio in Germany. It includes towers (e.g. CN Tower and Bremen TV tower), hills, mountains and other locations. List
Also known as “sundowner’s syndrome,” sundowning is a set of symptoms or behaviors that can be seen in some people with Alzheimer’s disease and dementia, according to the Alzheimer’s ...