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The antenna may not be more than 20 feet (6.1 m) above the highest point of the structure it is mounted to, or the highest point of the antenna must not be more than 60 feet (18.3 m) above the ground (47 CFR 95.408(c)) if installed in a fixed location. [4] CB radios must include AM or SSB modulation and may include frequency modulation. [5]
After the 1973 oil crisis, the U.S. government imposed a nationwide 55 mph speed limit, and fuel shortages and rationing were widespread.Drivers (especially commercial truckers) used CB radios to locate service stations with better supplies of fuel, to notify other drivers of speed traps, and to organize blockades and convoys in a 1974 strike protesting the new speed limit and other trucking ...
Crosley obtained a construction permit from the Federal Radio Commission (FRC) for the addition of a 500-kilowatt transmitter amplifier at the Mason complex, and spent some $500,000 ($11.8 million in 2025 [38]) constructing the equipment and facilities for the new amplifier and installation of an 800-foot (240-meter) tall antenna.
The discone antenna has a useful frequency range of at least 10 to 1. [2] [3] When employed as a transmitting antenna, a properly constructed discone is just as efficient as an antenna designed for a more limited frequency range. The extra bandwidth comes from the controlled taper and large termination radius of the cone.
The antenna is simply plugged into the television receiver and placed conveniently, often on the top of the receiver ("set-top"). Sometimes, the position needs to be experimented with to get the best picture. Indoor antennas can also benefit from RF amplification, commonly called a TV booster.
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"All Jacked Up" is a song co-written and recorded by American country music artist Gretchen Wilson. The song was released to country radio on August 1, 2005, by Epic Records Nashville as the lead single from Wilson's album All Jacked Up. She wrote the song with John Rich and Vicky McGehee. Wilson, Rich and Mark Wright produced the song.
The main lock at Wilson Dam is 110 feet (34 m) wide by 600 feet (180 m) long. [7] The lock lift is 94 feet (29 m). [7] It is the highest single lift lock east of the Rocky Mountains. [5] An auxiliary lock has two 60 feet (18 m) wide by 300 feet (91 m) long chambers that operate in tandem. Over 3,700 vessels pass through Wilson Dam's locks each ...