base noise
61Mobile radio — This article is about professional equipment. For mobile radios used in amateur radio, see amateur radio mobile operation. Mobile radio or mobiles refer to wireless communications systems and devices which are based on radio frequencies, and… …
62performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …
63Citizens' band radio — Typical 1980s CB base station, used with outdoor antenna. This radio may also be used in an automobile, since it is powered by 13.8V DC. Shown with Astatic Power D 104 desk mic …
64Advanced Audio Coding — AAC redirects here. For other uses, see AAC (disambiguation). Advanced Audio Codings iTunes standard AAC file icon Filename extension .m4a, .m4b, .m4p, .m4v, .m4r, .3gp, .mp4, .aac Internet media type audio/aac, audio/aacp, au …
65Canberra International Airport — Infobox Airport name = Canberra International Airport nativename = nativename a = nativename r = image width = caption = Land side of the main terminal building IATA = CBR ICAO = YSCB type = Public owner = operator = Capital Airport Group Pty Ltd …
66Pure tone audiometry — (PTA) is the key hearing test used to identify hearing threshold levels of an individual, enabling determination of the degree, type and configuration of a hearing loss. Thus, providing the basis for diagnosis and management. PTA is a subjective …
67Marine Corps Air Station El Toro — MCAS El Toro MCAS El Toro in 1993 IATA: NZJ – ICAO: KNZJ – FAA LID: NZJ …
68TexSys — [http://pavements.ce.utexas.edu/TexSys/ TexSys] is a web based application serving as a Texas Expert System for the selection of Hot Mix Asphalt (HMA). TexSys is the product of a Texas Department of Transportation (TxDOT) study, TxDOT Project 0… …
69Tower Mounted Amplifier — Crowded mast with TMAs (white rectangular boxes) mounted behind all the panel (rectangular) antennas A Tower Mounted Amplifier or Mast Head Amplifier is a Low noise amplifier (LNA) mounted as close as practical to the antenna in mobile masts or… …
70Headset (telephone/computer) — A headset is a headphone combined with a microphone. Used in call centers and by people in telephone intensive jobs, headsets provide the equivalent functionality of a telephone handset with hands free operation. Many people use headsets at the… …
