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  2. Public address system - Wikipedia

    en.wikipedia.org/wiki/Public_address_system

    Public address system in an old high school. The simplest, smallest PA systems consist of a microphone, an amplifier, and one or more loudspeakers. PA systems of this type, often providing 50 to 200 watts of power, are often used in small venues such as school auditoriums, churches, and coffeehouse stages.

  3. Municipal wireless network - Wikipedia

    en.wikipedia.org/wiki/Municipal_wireless_network

    Groningen, Netherlands [172] - Municipal Wireless network with open service model, covering entire city, first parts operational, 2010–2012 expanding to 54sq km [173] MetroFi - free with advertisements, deployed to 10 cities in the western United States, closed in 2008

  4. Intermediate units in Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Intermediate_Units_in...

    In Pennsylvania, intermediate units are regional educational service agencies, established by the Pennsylvania General Assembly.Intermediate units are public entities and serve a given geographic area's educational needs and function as a step of organization above that of a public school district, but below that of the Pennsylvania Department of Education.

  5. In a time before PA systems, rodeos used a guy with a loud ...

    www.aol.com/time-pa-systems-rodeos-used...

    In 1917, Foghorn was an announcer at a bronco riding competition between soldiers at Fort Bliss, near El Paso, and area cowboys. The soldiers held their own. Fog Horn Clancy lived in Fort Worth ...

  6. List of schools of the School District of Philadelphia

    en.wikipedia.org/wiki/List_of_schools_of_the...

    As of 2021, there are 151 elementary/K-8 schools, 16 middle schools, and 57 high schools in the School District of Philadelphia, excluding charter schools. [1] The Thomas K. Finletter School serves kindergarten through 8th grade students in the Olney neighborhood of Philadelphia.

  7. Emergency communication system - Wikipedia

    en.wikipedia.org/wiki/Emergency_Communication_System

    WMT Public Address Systems Wireless Mobile Telephony (WMT) PA Systems refers to PA paging and [intercom] systems that use any form of Wireless Mobile Telephony System such as GSM networks instead of a centralized amplifier to distribute the audio signal to paging locations across a building or campus, or other location. The GSM mobile Networks ...