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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 ...
Self-supporting tower 137 High wind KYA transmitter placed in service in 1937. Failure may have resulted from tower leg insulator replacement where all-thread rod was not long enough to fully engage securing nut. Caroline 558 and Radio Monique mast, aboard MV Ross Revenge, off English coast November 25, 1987: Lattice steel tower 92 Force 8 storm
Gerbrandy tower consists of a self-supporting tower with a guyed mast on top. Blaw-Knox towers Those few of the towers still standing do the opposite: They have a guyed lower section surmounted by a freestanding part. Zendstation Smilde is a tall tower with a guyed mast on top with guys which go to ground. Torre de Collserola
Behind each building was a 30.5 m (100 ft) self-supporting tower that supported a four-section aluminum RCA"Pylon" tubular slot antenna, 16.5 m (54 ft) high with a power gain of 6. de Neuf's choice of RCA's FM antenna over GE's competing "ring radiator" was likely based on the Pylon's reduced exposure to the elements, which would lessen the ...
The tallest guyed tower is currently [when?] the 2,063 feet (629 m) KVLY-TV mast near Blanchard, North Dakota, USA. The mast on heavy equipment such as a crane is its main supporting tower, typically of trussed steel construction. Wire rope guys typically led back to the crane's base stabilize it and support its ability to bear significant ...
Texas has sued a New York doctor for allegedly prescribing abortion pills to a Dallas-area woman, launching the first known legal challenge of its kind, which will test what happens when two ...
Police in Utah are investigating the deaths of five people from the same family who were found dead inside their home. The West Valley City Police Department shared on X (formerly known as Twitter ...
demolished in 1969. The site originally had a total of 9 self-supporting 600-foot tall the most lattice towers of that height ever built in a single location. Four were built in 1918, two more in 1922 and the final three in 1938. The 6 towers built in 1918 & 1922 were demolished in 1969 while the 3 towers built in 1938 remain today. [177]