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Raycom Sports is a Charlotte, North Carolina –based producer of sports television programs owned by Gray Television . It was founded in 1979 by husband and wife, Rick and Dee Ray. In the 1980s, Raycom Sports established a prominent joint venture with Jefferson-Pilot Communications which made them partners on the main Atlantic Coast Conference ...
Bright House Networks, LLC also simply known as Bright House, was an American telecom company. Prior to its purchase by Charter Communications, it was the tenth-largest multichannel video service provider and the 6th largest cable internet provider (based on coverage) in the United States. [2]
Creation and annihilation operators. Creation operators and annihilation operators are mathematical operators that have widespread applications in quantum mechanics, notably in the study of quantum harmonic oscillators and many-particle systems. [1] An annihilation operator (usually denoted ) lowers the number of particles in a given state by one.
The following is a list of current commercial operators of the Boeing 767, and any of its variants. As of 2020, there were 764 Boeing 767 aircraft in service, comprising 68 767-200s, 655 767-300s and 37 767-400ERs, as listed by variant in the following table. [needs update]
Signaller. A signaller, signalman, colloquially referred to as a radioman or signaleer [1] in the armed forces is a specialist soldier, sailor or airman responsible for military communications. Signallers, a.k.a. Combat Signallers or signalmen or women, are commonly employed as radio or telephone operators, relaying messages for field ...
An amateur radio operator is someone who uses equipment at an amateur radio station to engage in two-way personal communications with other amateur operators on radio frequencies assigned to the amateur radio service. Amateur radio operators have been granted an amateur radio license by a governmental regulatory authority after passing an ...
ISOs and RTOs of North America as of 18 March 2021. A regional transmission organization ( RTO) in the United States is an electric power transmission system operator (TSO) that coordinates, controls, and monitors a multi-state electric grid. The transfer of electricity between states is considered interstate commerce, and electric grids ...
A radio operator aboard the RV Polarstern. A radio operator (also, formerly, a wireless operator in British and Commonwealth English) is a person who is responsible for the operations of a radio system and the technicalities in broadcasting. The profession of radio operator has become largely obsolete with the automation of radio-based tasks in ...
The term "ladder operator" or "raising and lowering operators" is also sometimes used in mathematics, in the context of the theory of Lie algebras and in particular the affine Lie algebras. For example to describe the su (2) subalgebras, the root system and the highest weight modules can be constructed by means of the ladder operators. [1]
Reminiscences of a Stock Operator is a 1923 roman à clef by American author Edwin Lefèvre. It is told in the first person by a character inspired by the life of stock trader Jesse Livermore up to that point. [1] The book remains in print ( ISBN 0471770884 ). In December 2009, Wiley published an annotated edition in hardcover, ISBN 0-470-48159 ...