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Shure's Beta series of microphones was introduced in 1989. Originally the Beta 58 was available as the Beta 58C (chrome grill) or the Beta 58M (matte grill). The Beta 58C was eventually discontinued and the Beta 58M became just the Beta 58. The Beta 58 was then discontinued and replaced by the Beta 58A. [3]
URSI was officially created in 1919, during the Constitutive Assembly of the International Research Council (now ICSU), based on the earlier French: Commission Internationale de Telegraphie sans Fil (1913–1914) when the only radio communication system was radiotelegraphy. It has held a general assembly every three years from 1922.
Shure Inc. is an audio products corporation headquartered in the USA. It was founded by Sidney N. Shure in Chicago, Illinois, in 1925 as a supplier of radio parts kits. The company became a manufacturer of consumer and professional audio-electronics including microphones, wireless microphone systems, phonograph cartridges, discussion systems, mixers, and digital signal processing.
Robert J. Pera (born March 10, 1978) is the founder of Ubiquiti Networks, Inc. a global communications technology company that he took public in 2011. In October 2012, Pera also became the owner of the Memphis Grizzlies of the National Basketball Association. [1]
Bell Laboratories Layer Space-Time (BLAST) is a transceiver architecture for offering spatial multiplexing over multiple-antenna wireless communication systems. Such systems have multiple antennas at both the transmitter and the receiver in an effort to exploit the many different paths between the two in a highly-scattering wireless environment.
With the integration of a new missile, the Buk-M1-2 and Buk-M2 systems also received a new NATO reporting name Grizzly and a new DoD designation SA-17. Since 2013, the latest incarnation "Buk-M3" is currently in production and active service with a new DoD designation SA-27 .
An SM58 Robert Lockwood, Jr using an SM58 in 1982 Patti Smith using an SM58 in 2007 Randall Bramblett using an SM58 in 2015. The Shure SM58 is a professional cardioid dynamic microphone, commonly used in live vocal applications.
A digital system also made calls more secure because analog scanners could not access digital signals. The IS-54 standard specifies 84 control channels, 42 of which are shared with AMPS. To maintain compatibility with the existing AMPS cellular telephone system, the primary forward and reverse control channels in IS-54 cellular systems use the ...