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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 ...
The tower on the roof also served as the broadcast antenna for radio station KDKA Pittsburgh which made the first commercially licensed radio broadcast on election night of 1920. At 7:00 AM on its 14th birthday (February 2, 1934), the radio station inaugurated new studios on the Grant Building's third floor.
In 1884, German-American Henry J. Heinz purchased several lots on the north bank of the Allegheny River in Pittsburgh. [6] From 1888 through 1906, approximately twenty buildings were built or purchased, mostly of wood and beam construction. [7] From 1906 through 1930, new buildings in the complex were made of steel and concrete instead of wood.
Pittsburgh, the second-largest city in the U.S. state of Pennsylvania, is home to over 125 completed high-rise buildings of at least 115 feet (35 m), [1] 32 of which exceed 300 feet (91 m). The tallest building in Pittsburgh is the 64- story U.S. Steel Tower , which rises 841 feet (256 m), was completed in 1970, [ 2 ] and is also the fifth ...
Radio masts and towers are typically tall structures designed to support antennas for telecommunications and broadcasting, including television. There are two main types: guyed and self-supporting structures.
The site enables you to find more than just reverse lookup names; you can search for addresses, phone numbers and email addresses. BestPeopleFinder gets all its data from official public, state ...
Enlistment numbers for minorities tell a similar story. In 2012, approximately 30 percent of active-duty soldiers didn't identify as white. Although that number has dipped since a peak in 2005, it still represents more than a 4 percent increase since 1995. "The army doesn't see color. What we see is green," Weaver said.
The diamond-shaped tower was patented by Nicholas Gerten and Ralph Jenner for Blaw-Knox July 29, 1930. [5] and was one of the first mast radiators.[1] [6] Previous antennas for medium and longwave broadcasting usually consisted of wires strung between masts, but in the Blaw-Knox antenna, as in modern AM broadcasting mast radiators, the metal mast structure functioned as the antenna. [1]
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