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Scientific pitch, also known as philosophical pitch, Sauveur pitch or Verdi tuning, is an absolute concert pitch standard which is based on middle C (C 4) being set to 256 Hz rather than approximately 261.63 Hz, [1] making it approximately 31.77 cents lower than the common A440 pitch standard.
Spectrum management is a growing problem due to the growing number of spectrum uses. [6] Uses include: over-the-air broadcasting, (which started in 1920); government and research uses (which include defense, public safety—maritime, air, police—resource management, transport, and radio astronomy); commercial services to the public (including voice, data, home networking); and industrial ...
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Frequency allocation (or spectrum allocation) is the part of spectrum management dealing with the designation and regulation of the electromagnetic spectrum into frequency bands, normally done by governments in most countries. [1]
Although customary units are used more often than metric units in the U.S., the SI system is used extensively in fields such as science, medicine, electronics, the military, automobile production and repair, and international affairs. [6] Post-1994 federal law also mandates most packaged consumer goods be labeled in both customary and metric units.
The Commerce Clause played a huge factor in the regulation of radio. Assigned to Congress by the U.S. Constitution, the clause was implemented to regulate interstate and foreign commerce. [2] Congress has influence over the number, location, and activities of stations all over the country. [4]
The definition of “Bidenomics” has been expanded to include universal internet access. Over the summer, President Joe Biden announced a new program that aims to deploy $42 billion to get ...
The frequency changes affected "about a thousand stations in seven countries". [19] The following chart reviews the assignments before and after March 29, 1941, including information about individual U.S. and Canadian stations, and summarizes the most significant changes: