Faster access than browser!
278 relations: A.S. Popov Central Museum of Communications, Adolf Slaby, Advanced Mobile Phone System, Advertising, AEG, African Americans, Aircraft, Alexander Muirhead, Alexander Stepanovich Popov, Alexanderson alternator, AM broadcasting, Amateur radio, American Society of Composers, Authors and Publishers, Americas, Amos Dolbear, Amplitude modulation, Analog signal, Analog television, Andrew Carnegie, Archie Frederick Collins, Argentina, AT&T Corporation, Augusto Righi, Aviation, Édouard Branly, Bamberger's, Bell Labs, Bengali language, Benjamin Franklin, Bible, Birth of public radio broadcasting, Bournemouth, Boy Scouts of America, Broadcasting, Buenos Aires, Cap de la Nau, Capacitive coupling, Carbon microphone, Cathode ray tube, Ceuta, Charles Herrold, Chelmsford, Christmas Eve, CINW, City College of New York, Clarendon Laboratory, Clifden, CMC Electronics, Coast radio station, Coherer, ..., College football on radio, Communications Act of 1934, Communications satellite, Control grid, Copenhagen, Crystal radio, DARPA, David Edward Hughes, Defence minister, Detector (radio), Detroit, Digital audio broadcasting, Digital radio, Digital Radio Mondiale, Diode, Dmitry Lachinov, Dominion of Newfoundland, E. W. Scripps, Earth–Moon–Earth communication, Edison, New Jersey, Edwin Howard Armstrong, Electrical Experimenter, Electromagnetic interference, Electromagnetism, Elihu Thomson, Empire of the Air: The Men Who Made Radio, English Channel, English-speaking world, Enrique Telémaco Susini, Etheric force, Federal Communications Commission, Federal Radio Commission, FM broadcasting, Frank Conrad, Franklin Institute, Frederick Thomas Trouton, Frequency modulation, G. W. Pierce, General Electric, Georg von Arco, Glace Bay, Global Positioning System, Great Depression, Guglielmo Marconi, Hans Christian Ørsted, Harry Shoemaker, Heinrich Hertz, Hertz, High Bridge (New York City), History of amateur radio, History of broadcasting, History of electrical engineering, History of electromagnetic theory, History of physics, History of radar, History of science and technology, History of technology, History of telecommunication, History of television, History of videotelephony, Ibiza, Information, Internet radio, Invention, Isle of Wight, ITU-R, ITU-T, Jagadish Chandra Bose, James Clerk Maxwell, John Ambrose Fleming, John Stone Stone, Joseph Henry, Jozef Murgaš, Julio Cervera Baviera, Karl Ferdinand Braun, KCBS (AM), KDKA (AM), Ken Burns, Kolkata, KQV, Lee de Forest, Lightning detection, Line-of-sight propagation, List of old-time American radio people, List of United States radio networks, Longwave, LORAN, Madison, Wisconsin, Magnetic detector, Mahlon Loomis, Marconi Company, Marconi Research Centre, Marconi Wireless Telegraph Company of America, Medford, Massachusetts, Medium wave, Meteor burst communications, Michael Faraday, Michigan, Mobile phone, Mobile Telephone Service, Montreal, Morse code, Motor–generator, Nathan Stubblefield, National archives, Nauen, NBC, New Rochelle, New York, New Street Works, New York (state), Newark, New Jersey, Nikola Tesla, Nobel Prize in Physics, North America, NTSC, O Holy Night, Ocean Bluff-Brant Rock, Massachusetts, Oliver Lodge, Omnidirectional antenna, Oxford University Museum of Natural History, Patent, PDF, Personal area network, Philadelphia, Phonograph record, Pittsburgh, Positive feedback, Radio, Radio 2XG, Radio Act of 1912, Radio navigation, Radio receiver, Radio spectrum, Radio wave, Radio-frequency engineering, Radiofax, RCA, Regency TR-1, Regenerative circuit, Reginald Fessenden, Richard H. Ranger, RMS Titanic, Roberto Landell de Moura, Royal Society, San Jose, California, Santa Clara Valley, Satellite navigation, São Paulo, Schenectady, New York, Shortwave radio, Siemens, Siemens & Halske, Silk, Single-sideband modulation, Sirius Satellite Radio, Soap opera, Software-defined radio, SOLAS Convention, Sony, Spanish Army, Spark gap, Spark-gap transmitter, Springfield, Massachusetts, St. Louis, Strait of Gibraltar, Superheterodyne receiver, Supreme Court of the United States, Tarifa, Telecommunication, Telefunken, Telegraphy, Teleprinter, Television, Telstar, Temistocle Calzecchi-Onesti, Test case (law), The Boston Globe, The Hague, Thomas Edison, Timeline of radio, Timeline of the introduction of radio in countries, Track (rail transport), Transistor, Transistor radio, Transmitter, Triode, Tufts University, Union College, United States antitrust law, United States Department of Commerce, United States Department of Commerce and Labor, United States Patent and Trademark Office, University of Wisconsin–Madison, Vacuum, Vacuum tube, Very high frequency, VHF omnidirectional range, Violin, Volt, WAAF (FM), WABC (AM), Waistcoat, Washington, D.C., Wavelength, WBZ (AM), WEAF (AM), West Sayville, New York, Western Electric, Westinghouse Electric Corporation, WGI (defunct), WHA (AM), White noise, Wilhelm II, German Emperor, William Crookes, William Henry Preece, Wireless, Wireless LAN, Wireless Ship Act of 1910, Wireless telegraphy, Writtle, WRUC, WWJ (AM), WWV (radio station), Xàbia, XM Satellite Radio, 1921 West Virginia vs. Pittsburgh football game, 2MT, 40-meter band. Expand index (228 more) »
A.S. Popov Central Museum of Communications
The A.S. Popov Central Museum of Communications was founded in 1872 and is one of the oldest museums of science and technology in the world.
New!!: History of radio and A.S. Popov Central Museum of Communications · See more »
Adolf Slaby
Adolf Karl Heinrich Slaby (18 April 1849 – 6 April 1913) was a German electronics pioneer and the first Professor of electro-technology at the Technical University of Berlin (1886).
New!!: History of radio and Adolf Slaby · See more »
Advanced Mobile Phone System
Advanced Mobile Phone System (AMPS) is an analog mobile phone system standard developed by Bell Labs, and officially introduced in the Americas on October 13, 1983,.
New!!: History of radio and Advanced Mobile Phone System · See more »
Advertising
Advertising is an audio or visual form of marketing communication that employs an openly sponsored, non-personal message to promote or sell a product, service or idea.
New!!: History of radio and Advertising · See more »
AEG
Allgemeine Elektricitäts-Gesellschaft AG (AEG) (German: "General electricity company") was a German producer of electrical equipment founded as the Deutsche Edison-Gesellschaft für angewandte Elektricität in 1883 in Berlin by Emil Rathenau.
New!!: History of radio and AEG · See more »
African Americans
African Americans (also referred to as Black Americans or Afro-Americans) are an ethnic group of Americans with total or partial ancestry from any of the black racial groups of Africa.
New!!: History of radio and African Americans · See more »
Aircraft
An aircraft is a machine that is able to fly by gaining support from the air.
New!!: History of radio and Aircraft · See more »
Alexander Muirhead
Alexander Muirhead, FRS, (26 May 1848 – 13 December 1920) born in East Saltoun, East Lothian, Scotland was an electrical engineer specialising in wireless telegraphy.
New!!: History of radio and Alexander Muirhead · See more »
Alexander Stepanovich Popov
Alexander Stepanovich Popov (sometimes spelled Popoff; Алекса́ндр Степа́нович Попо́в; –) was a Russian physicist who is acclaimed in his homeland and some eastern European countries as the inventor of radio.
New!!: History of radio and Alexander Stepanovich Popov · See more »
Alexanderson alternator
An Alexanderson alternator is a rotating machine invented by Ernst Alexanderson in 1904 for the generation of high-frequency alternating current for use as a radio transmitter.
New!!: History of radio and Alexanderson alternator · See more »
AM broadcasting
AM broadcasting is a radio broadcasting technology, which employs amplitude modulation (AM) transmissions.
New!!: History of radio and AM broadcasting · See more »
Amateur radio
Amateur radio, also known as ham radio, describes the use of radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communication.
New!!: History of radio and Amateur radio · See more »
American Society of Composers, Authors and Publishers
The American Society of Composers, Authors, and Publishers (ASCAP) is an American not-for-profit performance-rights organization (PRO) that protects its members' musical copyrights by monitoring public performances of their music, whether via a broadcast or live performance, and compensating them accordingly.
New!!: History of radio and American Society of Composers, Authors and Publishers · See more »
Americas
The Americas (also collectively called America)"America." The Oxford Companion to the English Language.
New!!: History of radio and Americas · See more »
Amos Dolbear
Amos Emerson Dolbear (November 10, 1837 – February 23, 1910) was an American physicist and inventor.
New!!: History of radio and Amos Dolbear · See more »
Amplitude modulation
Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting information via a radio carrier wave.
New!!: History of radio and Amplitude modulation · See more »
Analog signal
An analog signal is any continuous signal for which the time varying feature (variable) of the signal is a representation of some other time varying quantity, i.e., analogous to another time varying signal.
New!!: History of radio and Analog signal · See more »
Analog television
Analog television or analogue television is the original television technology that uses analog signals to transmit video and audio.
New!!: History of radio and Analog television · See more »
Andrew Carnegie
Andrew Carnegie (but commonly or;MacKay, p. 29. November 25, 1835August 11, 1919) was a Scottish-American industrialist, business magnate, and philanthropist.
New!!: History of radio and Andrew Carnegie · See more »
Archie Frederick Collins
Archie Frederick Collins (January 8, 1869 – January 3, 1952), who generally went by A. Frederick Collins, was a prominent early American experimenter in wireless telephony and prolific author of books and articles covering a wide range of scientific and technical subjects.
New!!: History of radio and Archie Frederick Collins · See more »
Argentina
Argentina, officially the Argentine Republic (República Argentina), is a federal republic located mostly in the southern half of South America.
New!!: History of radio and Argentina · See more »
AT&T Corporation
AT&T Corp., originally the American Telephone and Telegraph Company, is the subsidiary of AT&T that provides voice, video, data, and Internet telecommunications and professional services to businesses, consumers, and government agencies.
New!!: History of radio and AT&T Corporation · See more »
Augusto Righi
Augusto Righi (27 August 1850 – 8 June 1920) was an Italian physicist and a pioneer in the study of electromagnetism.
New!!: History of radio and Augusto Righi · See more »
Aviation
Aviation, or air transport, refers to the activities surrounding mechanical flight and the aircraft industry.
New!!: History of radio and Aviation · See more »
Édouard Branly
Édouard Eugène Désiré Branly (23 October 1844 – 24 March 1940) was a French inventor, physicist and professor at the Institut Catholique de Paris.
New!!: History of radio and Édouard Branly · See more »
Bamberger's
Bamberger's was a department store chain with locations primarily in New Jersey, also with locations in the states of Delaware, Maryland, New York, and Pennsylvania.
New!!: History of radio and Bamberger's · See more »
Bell Labs
Nokia Bell Labs (formerly named AT&T Bell Laboratories, Bell Telephone Laboratories and Bell Labs) is an American research and scientific development company, owned by Finnish company Nokia.
New!!: History of radio and Bell Labs · See more »
Bengali language
Bengali, also known by its endonym Bangla (বাংলা), is an Indo-Aryan language spoken in South Asia.
New!!: History of radio and Bengali language · See more »
Benjamin Franklin
Benjamin Franklin (April 17, 1790) was an American polymath and one of the Founding Fathers of the United States.
New!!: History of radio and Benjamin Franklin · See more »
Bible
The Bible (from Koine Greek τὰ βιβλία, tà biblía, "the books") is a collection of sacred texts or scriptures that Jews and Christians consider to be a product of divine inspiration and a record of the relationship between God and humans.
New!!: History of radio and Bible · See more »
Birth of public radio broadcasting
The birth of public radio broadcasting is credited to Lee de Forest who transmitted the world’s first public broadcast in New York City on January 13, 1910.
New!!: History of radio and Birth of public radio broadcasting · See more »
Bournemouth
Bournemouth is a large coastal resort town on the south coast of England to the east of the Jurassic Coast, a World Heritage Site, long.
New!!: History of radio and Bournemouth · See more »
Boy Scouts of America
The Boy Scouts of America (BSA) is one of the largest Scouting organizations in the United States of America and one of the largest youth organizations in the United States, with more than 2.4 million youth participants and nearly one million adult volunteers.
New!!: History of radio and Boy Scouts of America · See more »
Broadcasting
Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communications medium, but typically one using the electromagnetic spectrum (radio waves), in a one-to-many model.
New!!: History of radio and Broadcasting · See more »
Buenos Aires
Buenos Aires is the capital and most populous city of Argentina.
New!!: History of radio and Buenos Aires · See more »
Cap de la Nau
The Cap de la Nau or Cabo de la Nao, literally Cape of the Ship, is a headland located central-eastern coastal Spain on the Gulf of Valencia, Mediterranean Sea.
New!!: History of radio and Cap de la Nau · See more »
Capacitive coupling
Capacitive coupling is the transfer of energy within an electrical network or between distant networks by means of displacement current between circuit(s) nodes, induced by the electric field.
New!!: History of radio and Capacitive coupling · See more »
Carbon microphone
The carbon microphone, also known as carbon button microphone, button microphone, or carbon transmitter, is a type of microphone, a transducer that converts sound to an electrical audio signal.
New!!: History of radio and Carbon microphone · See more »
Cathode ray tube
The cathode ray tube (CRT) is a vacuum tube that contains one or more electron guns and a phosphorescent screen, and is used to display images.
New!!: History of radio and Cathode ray tube · See more »
Ceuta
Ceuta (also;; Berber language: Sebta) is an Spanish autonomous city on the north coast of Africa, separated by 14 kilometres from Cadiz province on the Spanish mainland by the Strait of Gibraltar and sharing a 6.4 kilometre land border with M'diq-Fnideq Prefecture in the Kingdom of Morocco.
New!!: History of radio and Ceuta · See more »
Charles Herrold
Charles David "Doc" Herrold (November 16, 1875 – July 1, 1948) was an American inventor and pioneer radio broadcaster, who began experimenting with audio radio transmissions in 1909.
New!!: History of radio and Charles Herrold · See more »
Chelmsford
Chelmsford is the principal settlement of the City of Chelmsford district, and the county town of Essex, in the East of England.
New!!: History of radio and Chelmsford · See more »
Christmas Eve
Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.
New!!: History of radio and Christmas Eve · See more »
CINW
CINW was the final call sign used by an English language AM radio station located in Montreal, Quebec, which, along with French-language sister station CINF, ceased operations at 7:00 p.m. ET on January 29, 2010.
New!!: History of radio and CINW · See more »
City College of New York
The City College of the City University of New York (more commonly referred to as the City College of New York, or simply City College, CCNY, or City) is a public senior college of the City University of New York (CUNY) in New York City.
New!!: History of radio and City College of New York · See more »
Clarendon Laboratory
The Clarendon Laboratory, located on Parks Road with the Science Area in Oxford, England (not to be confused with the Clarendon Building, also in Oxford), is part of the Department of Physics at Oxford University.
New!!: History of radio and Clarendon Laboratory · See more »
Clifden
Clifden (meaning "stepping stones") is a coastal town in County Galway, Ireland, in the region of Connemara, located on the Owenglin River where it flows into Clifden Bay.
New!!: History of radio and Clifden · See more »
CMC Electronics
CMC Electronics Inc. (CMC Électronique) is a Canadian electronics company and part of Esterline Corporation's Avionics & Controls business segment.
New!!: History of radio and CMC Electronics · See more »
Coast radio station
A coast (or coastal) radio station (short: coast station) is an on-shore maritime radio station which may monitor radio distress frequencies and relays ship-to-ship and ship-to-land communications.
New!!: History of radio and Coast radio station · See more »
Coherer
The coherer was a primitive form of radio signal detector used in the first radio receivers during the wireless telegraphy era at the beginning of the 20th century.
New!!: History of radio and Coherer · See more »
College football on radio
College football on radio includes the radio broadcasting of college football games, as well as pre- and post-game reports, analysis, and human-interest stories.
New!!: History of radio and College football on radio · See more »
Communications Act of 1934
The Communications Act of 1934 is a United States federal law, signed into law by President Franklin D. Roosevelt on June 19, 1934, and codified as Chapter 5 of Title 47 of the United States Code, et seq.
New!!: History of radio and Communications Act of 1934 · See more »
Communications satellite
A communications satellite is an artificial satellite that relays and amplifies radio telecommunications signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth.
New!!: History of radio and Communications satellite · See more »
Control grid
The control grid is an electrode used in amplifying thermionic valves (vacuum tubes) such as the triode, tetrode and pentode, used to control the flow of electrons from the cathode to the anode (plate) electrode.
New!!: History of radio and Control grid · See more »
Copenhagen
Copenhagen (København; Hafnia) is the capital and most populous city of Denmark.
New!!: History of radio and Copenhagen · See more »
Crystal radio
A crystal radio receiver, also called a crystal set, is a simple radio receiver, popular in the early days of radio.
New!!: History of radio and Crystal radio · See more »
DARPA
The Defense Advanced Research Projects Agency (DARPA) is an agency of the United States Department of Defense responsible for the development of emerging technologies for use by the military.
New!!: History of radio and DARPA · See more »
David Edward Hughes
David Edward Hughes (16 May 1831 – 22 January 1900), was a British-American inventor, practical experimenter, and professor of music known for his work on the printing telegraph and the microphone.
New!!: History of radio and David Edward Hughes · See more »
Defence minister
The title Defence Minister, Minister for Defence, Minister of National Defense, Secretary of Defence, Secretary of State for Defense or some similar variation, is assigned to the person in a cabinet position in charge of a Ministry of Defence, which regulates the armed forces in sovereign states.
New!!: History of radio and Defence minister · See more »
Detector (radio)
In radio, a detector is a device or circuit that extracts information from a modulated radio frequency current or voltage.
New!!: History of radio and Detector (radio) · See more »
Detroit
Detroit is the most populous city in the U.S. state of Michigan, the largest city on the United States–Canada border, and the seat of Wayne County.
New!!: History of radio and Detroit · See more »
Digital audio broadcasting
Digital audio broadcasting (DAB) is a digital radio standard for broadcasting digital audio radio services, used in many countries across Europe, Asia, and the Pacific.
New!!: History of radio and Digital audio broadcasting · See more »
Digital radio
Digital radio is the use of digital technology to transmit and/or receive across the radio spectrum.
New!!: History of radio and Digital radio · See more »
Digital Radio Mondiale
Digital Radio Mondiale (DRM; mondiale being Italian and French for "worldwide") is a set of digital audio broadcasting technologies designed to work over the bands currently used for analogue radio broadcasting including AM broadcasting, particularly shortwave, and FM broadcasting.
New!!: History of radio and Digital Radio Mondiale · See more »
Diode
A diode is a two-terminal electronic component that conducts current primarily in one direction (asymmetric conductance); it has low (ideally zero) resistance in one direction, and high (ideally infinite) resistance in the other.
New!!: History of radio and Diode · See more »
Dmitry Lachinov
Dmitry Aleksandrovich Lachinov (Дмитрий Александрович Лачи́нов) (10 May 1842 – 15 October 1902) was a Russian physicist, electrical engineer, inventor, meteorologist and climatologist.
New!!: History of radio and Dmitry Lachinov · See more »
Dominion of Newfoundland
Newfoundland was a British dominion from 1907 to 1949.
New!!: History of radio and Dominion of Newfoundland · See more »
E. W. Scripps
Edward Willis "E.W." Scripps (June 18, 1854 – March 12, 1926), was an American newspaper publisher and founder of The E. W. Scripps Company, a diversified media conglomerate, and United Press news service.
New!!: History of radio and E. W. Scripps · See more »
Earth–Moon–Earth communication
Earth–Moon–Earth communication (EME), also known as moon bounce, is a radio communications technique that relies on the propagation of radio waves from an Earth-based transmitter directed via reflection from the surface of the Moon back to an Earth-based receiver.
New!!: History of radio and Earth–Moon–Earth communication · See more »
Edison, New Jersey
Edison is a township in Middlesex County, New Jersey, United States, in the New York City metropolitan area.
New!!: History of radio and Edison, New Jersey · See more »
Edwin Howard Armstrong
Edwin Howard Armstrong (December 18, 1890 – February 1, 1954) was an American electrical engineer and inventor, best known for developing FM (frequency modulation) radio and the superheterodyne receiver system.
New!!: History of radio and Edwin Howard Armstrong · See more »
Electrical Experimenter
The Electrical Experimenter was an American technical science magazine that was published monthly.
New!!: History of radio and Electrical Experimenter · See more »
Electromagnetic interference
Electromagnetic interference (EMI), also called radio-frequency interference (RFI) when in the radio frequency spectrum, is a disturbance generated by an external source that affects an electrical circuit by electromagnetic induction, electrostatic coupling, or conduction.
New!!: History of radio and Electromagnetic interference · See more »
Electromagnetism
Electromagnetism is a branch of physics involving the study of the electromagnetic force, a type of physical interaction that occurs between electrically charged particles.
New!!: History of radio and Electromagnetism · See more »
Elihu Thomson
Elihu Thomson (March 29, 1853 – March 13, 1937) was an English-born American engineer and inventor who was instrumental in the founding of major electrical companies in the United States, the United Kingdom and France.
New!!: History of radio and Elihu Thomson · See more »
Empire of the Air: The Men Who Made Radio
Empire of the Air: The Men Who Made Radio is a non-fiction book by Tom Lewis, a history of radio in the United States, published by HarperCollins in 1991.
New!!: History of radio and Empire of the Air: The Men Who Made Radio · See more »
English Channel
The English Channel (la Manche, "The Sleeve"; Ärmelkanal, "Sleeve Channel"; Mor Breizh, "Sea of Brittany"; Mor Bretannek, "Sea of Brittany"), also called simply the Channel, is the body of water that separates southern England from northern France and links the southern part of the North Sea to the Atlantic Ocean.
New!!: History of radio and English Channel · See more »
English-speaking world
Approximately 330 to 360 million people speak English as their first language.
New!!: History of radio and English-speaking world · See more »
Enrique Telémaco Susini
Enrique Telémaco Susini (January 31, 1891 - July 4, 1972) was an Argentine entrepreneur and media pioneer.
New!!: History of radio and Enrique Telémaco Susini · See more »
Etheric force
Etheric force is a term Thomas Edison coined to describe a phenomenon later understood as high frequency electromagnetic waves—effectively, radio.
New!!: History of radio and Etheric force · See more »
Federal Communications Commission
The Federal Communications Commission (FCC) is an independent agency of the United States government created by statute (and) to regulate interstate communications by radio, television, wire, satellite, and cable.
New!!: History of radio and Federal Communications Commission · See more »
Federal Radio Commission
The Federal Radio Commission (FRC) was a government body that regulated radio use in the United States from its creation in 1926 until its replacement by the Federal Communications Commission (FCC) in 1934.
New!!: History of radio and Federal Radio Commission · See more »
FM broadcasting
FM broadcasting is a method of radio broadcasting using frequency modulation (FM) technology.
New!!: History of radio and FM broadcasting · See more »
Frank Conrad
Frank Conrad (May 4, 1874 – December 10, 1941) was an electrical engineer, best known for radio development, including his work as a pioneer broadcaster.
New!!: History of radio and Frank Conrad · See more »
Franklin Institute
The Franklin Institute is a science museum and the center of science education and research in Philadelphia, Pennsylvania.
New!!: History of radio and Franklin Institute · See more »
Frederick Thomas Trouton
Frederick Thomas Trouton FRS (24 November 1863 – 21 September 1922) was an Irish physicist known for Trouton's Rule and experiments to detect the Earth's motion through the luminiferous aether.
New!!: History of radio and Frederick Thomas Trouton · See more »
Frequency modulation
In telecommunications and signal processing, frequency modulation (FM) is the encoding of information in a carrier wave by varying the instantaneous frequency of the wave.
New!!: History of radio and Frequency modulation · See more »
G. W. Pierce
George Washington Pierce (January 11, 1872 – August 25, 1956) was an American physicist.
New!!: History of radio and G. W. Pierce · See more »
General Electric
General Electric Company (GE) is an American multinational conglomerate incorporated in New York and headquartered in Boston, Massachusetts.
New!!: History of radio and General Electric · See more »
Georg von Arco
Georg Wilhelm Alexander Hans Graf von Arco (30 August 1869 in Großgorschütz – 5 May 1940 in Berlin) was a German physicist, radio pioneer, and one of the joint founders of the "Society for Wireless Telegraphy" which became the Telefunken company.
New!!: History of radio and Georg von Arco · See more »
Glace Bay
Glace Bay (Scottish Gaelic: Glasbaidh) is a community in the eastern part of the Cape Breton Regional Municipality in Nova Scotia, Canada.
New!!: History of radio and Glace Bay · See more »
Global Positioning System
The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Air Force.
New!!: History of radio and Global Positioning System · See more »
Great Depression
The Great Depression was a severe worldwide economic depression that took place mostly during the 1930s, beginning in the United States.
New!!: History of radio and Great Depression · See more »
Guglielmo Marconi
Guglielmo Marconi, 1st Marquis of Marconi (25 April 187420 July 1937) was an Italian inventor and electrical engineer known for his pioneering work on long-distance radio transmission and for his development of Marconi's law and a radio telegraph system.
New!!: History of radio and Guglielmo Marconi · See more »
Hans Christian Ørsted
Hans Christian Ørsted (often rendered Oersted in English; 14 August 17779 March 1851) was a Danish physicist and chemist who discovered that electric currents create magnetic fields, which was the first connection found between electricity and magnetism.
New!!: History of radio and Hans Christian Ørsted · See more »
Harry Shoemaker
Harry Shoemaker (May 11, 1879 – August 8, 1932) was an American inventor and pioneer radio engineer, who received more than 40 U.S. patents in the radio field from 1901 to 1905.
New!!: History of radio and Harry Shoemaker · See more »
Heinrich Hertz
Heinrich Rudolf Hertz (22 February 1857 – 1 January 1894) was a German physicist who first conclusively proved the existence of the electromagnetic waves theorized by James Clerk Maxwell's electromagnetic theory of light.
New!!: History of radio and Heinrich Hertz · See more »
Hertz
The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.
New!!: History of radio and Hertz · See more »
High Bridge (New York City)
The High Bridge (originally the Aqueduct Bridge) is the oldest bridge in New York City, having originally opened as part of the Croton Aqueduct in 1848 and reopened as a pedestrian walkway in 2015 after being closed for over 45 years.
New!!: History of radio and High Bridge (New York City) · See more »
History of amateur radio
Throughout the history of amateur radio, amateur radio enthusiasts have made significant contributions to science, engineering, industry, and social services.
New!!: History of radio and History of amateur radio · See more »
History of broadcasting
The first broadcasting of a radio transmission consisted of Morse code (or wireless telegraphy) was made from a temporary station set up by Guglielmo Marconi in 1895.
New!!: History of radio and History of broadcasting · See more »
History of electrical engineering
This article details the history of electrical engineering.
New!!: History of radio and History of electrical engineering · See more »
History of electromagnetic theory
The history of electromagnetic theory begins with ancient measures to understand atmospheric electricity, in particular lightning.
New!!: History of radio and History of electromagnetic theory · See more »
History of physics
Physics (from the Ancient Greek φύσις physis meaning "nature") is the fundamental branch of science.
New!!: History of radio and History of physics · See more »
History of radar
The history of radar (where radar stands for RAdio Detection And Ranging) started with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects.
New!!: History of radio and History of radar · See more »
History of science and technology
The history of science and technology (HST) is a field of history which examines how humanity's understanding of the natural world (science) and ability to manipulate it (technology) have changed over the centuries.
New!!: History of radio and History of science and technology · See more »
History of technology
The history of technology is the history of the invention of tools and techniques and is similar to other sides of the history of humanity.
New!!: History of radio and History of technology · See more »
History of telecommunication
The history of telecommunication began with the use of smoke signals and drums in Africa, the Americas and parts of Asia.
New!!: History of radio and History of telecommunication · See more »
History of television
The invention of the television was the work of many individuals in the late 19th century and early 20th century.
New!!: History of radio and History of television · See more »
History of videotelephony
The history of videotelephony covers the historical development of several technologies which enable the use of live video in addition to voice telecommunications.
New!!: History of radio and History of videotelephony · See more »
Ibiza
Ibiza (Eivissa) is an island in the Mediterranean Sea off the east coast of Spain.
New!!: History of radio and Ibiza · See more »
Information
Information is any entity or form that provides the answer to a question of some kind or resolves uncertainty.
New!!: History of radio and Information · See more »
Internet radio
Internet radio (also web radio, net radio, streaming radio, e-radio, IP radio, online radio) is a digital audio service transmitted via the Internet.
New!!: History of radio and Internet radio · See more »
Invention
An invention is a unique or novel device, method, composition or process.
New!!: History of radio and Invention · See more »
Isle of Wight
The Isle of Wight (also referred to informally as The Island or abbreviated to IOW) is a county and the largest and second-most populous island in England.
New!!: History of radio and Isle of Wight · See more »
ITU-R
The ITU Radiocommunication Sector (ITU-R) is one of the three sectors (divisions or units) of the International Telecommunication Union (ITU) and is responsible for radio communication.
New!!: History of radio and ITU-R · See more »
ITU-T
The ITU Telecommunication Standardization Sector (ITU-T) is one of the three sectors (divisions or units) of the International Telecommunication Union (ITU); it coordinates standards for telecommunications.
New!!: History of radio and ITU-T · See more »
Jagadish Chandra Bose
Sir Jagadish Chandra Bose, CSI, CIE, FRS (30 November 1858 – 23 November 1937), also spelled Jagdish and Jagadis, was a polymath, physicist, biologist, biophysicist, botanist and archaeologist, and an early writer of science fiction.
New!!: History of radio and Jagadish Chandra Bose · See more »
James Clerk Maxwell
James Clerk Maxwell (13 June 1831 – 5 November 1879) was a Scottish scientist in the field of mathematical physics.
New!!: History of radio and James Clerk Maxwell · See more »
John Ambrose Fleming
Sir John Ambrose Fleming FRS (29 November 1849 – 18 April 1945), an English electrical engineer and physicist, invented the first thermionic valve or vacuum tube, and also established the left-hand rule for electric motors.
New!!: History of radio and John Ambrose Fleming · See more »
John Stone Stone
John Stone Stone (September 24, 1869 – May 20, 1943) was an American mathematician, physicist and inventor.
New!!: History of radio and John Stone Stone · See more »
Joseph Henry
Joseph Henry (December 17, 1797 – May 13, 1878) was an American scientist who served as the first Secretary of the Smithsonian Institution.
New!!: History of radio and Joseph Henry · See more »
Jozef Murgaš
Jozef Murgaš (English Joseph Murgas) (17 February 1864 – 11 May 1929) was a Slovak inventor, architect, botanist, painter, and Roman Catholic priest.
New!!: History of radio and Jozef Murgaš · See more »
Julio Cervera Baviera
Julio Cervera Baviera (26 January 1854 – 24 June 1927) was a Spanish engineer, pioneer in the development of radio, educator, explorer, and military man.
New!!: History of radio and Julio Cervera Baviera · See more »
Karl Ferdinand Braun
Karl Ferdinand Braun (6 June 1850 – 20 April 1918) was a German inventor, physicist and Nobel laureate in physics.
New!!: History of radio and Karl Ferdinand Braun · See more »
KCBS (AM)
KCBS (740 AM) is an all-news radio station located in San Francisco, California, which serves as the West Coast flagship station for the CBS Radio Network.
New!!: History of radio and KCBS (AM) · See more »
KDKA (AM)
KDKA (1020 kHz AM) is a Class A (clear channel) radio station, owned and operated by Entercom and licensed to Pittsburgh, Pennsylvania.
New!!: History of radio and KDKA (AM) · See more »
Ken Burns
Kenneth Lauren Burns (born July 29, 1953) is an American filmmaker, known for his style of using archival footage and photographs in documentary films.
New!!: History of radio and Ken Burns · See more »
Kolkata
Kolkata (also known as Calcutta, the official name until 2001) is the capital of the Indian state of West Bengal.
New!!: History of radio and Kolkata · See more »
KQV
KQV (1410 AM) is a commercial radio station licensed to Pittsburgh, Pennsylvania which went silent on December 31, 2017.
New!!: History of radio and KQV · See more »
Lee de Forest
Lee de Forest (August 26, 1873 – June 30, 1961) was an American inventor, self-described "Father of Radio", and a pioneer in the development of sound-on-film recording used for motion pictures.
New!!: History of radio and Lee de Forest · See more »
Lightning detection
A lightning detector is a device that detects lightning produced by thunderstorms.
New!!: History of radio and Lightning detection · See more »
Line-of-sight propagation
Line-of-sight propagation is a characteristic of electromagnetic radiation or acoustic wave propagation which means waves travel in a direct path from the source to the receiver.
New!!: History of radio and Line-of-sight propagation · See more »
List of old-time American radio people
Listed below are actors and personalities heard on vintage radio programs, plus writers and others associated with Radio's Golden Age.
New!!: History of radio and List of old-time American radio people · See more »
List of United States radio networks
The following is a list of commercial radio broadcasters and radio networks in the United States.
New!!: History of radio and List of United States radio networks · See more »
Longwave
In radio, longwave, long wave or long-wave, and commonly abbreviated LW, refers to parts of the radio spectrum with wavelengths longer than what was originally called the medium-wave broadcasting band.
New!!: History of radio and Longwave · See more »
LORAN
LORAN, short for long range navigation, was a hyperbolic radio navigation system developed in the United States during World War II.
New!!: History of radio and LORAN · See more »
Madison, Wisconsin
Madison is the capital of the U.S. state of Wisconsin and the seat of Dane County.
New!!: History of radio and Madison, Wisconsin · See more »
Magnetic detector
The magnetic detector or Marconi magnetic detector, sometimes called the "Maggie", was an early radio wave detector used in some of the first radio receivers to receive Morse code messages during the wireless telegraphy era around the turn of the 20th century.
New!!: History of radio and Magnetic detector · See more »
Mahlon Loomis
Mahlon Loomis (21 July 1826 – 13 October 1886) was an American dentist and inventor.
New!!: History of radio and Mahlon Loomis · See more »
Marconi Company
The Marconi Company was a British telecommunications and engineering company that did business under that name from 1963 to 1987.
New!!: History of radio and Marconi Company · See more »
Marconi Research Centre
Marconi Research Centre is the former name of the current BAE Systems Applied Intelligence Laboratories facility at Great Baddow in Essex, United Kingdom.
New!!: History of radio and Marconi Research Centre · See more »
Marconi Wireless Telegraph Company of America
The Marconi Wireless Telegraph Company of America (commonly called American Marconi) was incorporated in 1899.
New!!: History of radio and Marconi Wireless Telegraph Company of America · See more »
Medford, Massachusetts
Medford is a city 3.2 miles northwest of downtown Boston on the Mystic River in Middlesex County, Massachusetts, United States.
New!!: History of radio and Medford, Massachusetts · See more »
Medium wave
Medium wave (MW) is the part of the medium frequency (MF) radio band used mainly for AM radio broadcasting.
New!!: History of radio and Medium wave · See more »
Meteor burst communications
Meteor burst communications (MBC), also referred to as meteor scatter communications, is a radio propagation mode that exploits the ionized trails of meteors during atmospheric entry to establish brief communications paths between radio stations up to apart.
New!!: History of radio and Meteor burst communications · See more »
Michael Faraday
Michael Faraday FRS (22 September 1791 – 25 August 1867) was an English scientist who contributed to the study of electromagnetism and electrochemistry.
New!!: History of radio and Michael Faraday · See more »
Michigan
Michigan is a state in the Great Lakes and Midwestern regions of the United States.
New!!: History of radio and Michigan · See more »
Mobile phone
A mobile phone, known as a cell phone in North America, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.
New!!: History of radio and Mobile phone · See more »
Mobile Telephone Service
The Mobile Telephone Service (MTS) was a pre-cellular VHF radio system that linked to the Public Switched Telephone Network (PSTN).
New!!: History of radio and Mobile Telephone Service · See more »
Montreal
Montreal (officially Montréal) is the most populous municipality in the Canadian province of Quebec and the second-most populous municipality in Canada.
New!!: History of radio and Montreal · See more »
Morse code
Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment.
New!!: History of radio and Morse code · See more »
Motor–generator
A motor–generator (an M–G set) is a device for converting electrical power to another form.
New!!: History of radio and Motor–generator · See more »
Nathan Stubblefield
Nathan Beverly Stubblefield (November 22, 1860 – March 28, 1928), self-described "practical farmer, fruit grower and electrician",, The Sunny South, March 8, 1902, page 6.
New!!: History of radio and Nathan Stubblefield · See more »
National archives
National archives are the archives of a country.
New!!: History of radio and National archives · See more »
Nauen
Nauen is a small town in the Havelland district, in Brandenburg, Germany.
New!!: History of radio and Nauen · See more »
NBC
The National Broadcasting Company (NBC) is an American English language commercial broadcast television network that is a flagship property of NBCUniversal, a subsidiary of Comcast.
New!!: History of radio and NBC · See more »
New Rochelle, New York
New Rochelle is a city in Westchester County, New York, United States, in the southeastern portion of the state.
New!!: History of radio and New Rochelle, New York · See more »
New Street Works
The New Street Works were built for the Marconi Company in Chelmsford, England in 1912, credited as being the first purpose-built radio factory in the world.
New!!: History of radio and New Street Works · See more »
New York (state)
New York is a state in the northeastern United States.
New!!: History of radio and New York (state) · See more »
Newark, New Jersey
Newark is the most populous city in the U.S. state of New Jersey and the seat of Essex County.
New!!: History of radio and Newark, New Jersey · See more »
Nikola Tesla
Nikola Tesla (Никола Тесла; 10 July 1856 – 7 January 1943) was a Serbian-American inventor, electrical engineer, mechanical engineer, physicist, and futurist who is best known for his contributions to the design of the modern alternating current (AC) electricity supply system.
New!!: History of radio and Nikola Tesla · See more »
Nobel Prize in Physics
The Nobel Prize in Physics (Nobelpriset i fysik) is a yearly award given by the Royal Swedish Academy of Sciences for those who conferred the most outstanding contributions for mankind in the field of physics.
New!!: History of radio and Nobel Prize in Physics · See more »
North America
North America is a continent entirely within the Northern Hemisphere and almost all within the Western Hemisphere; it is also considered by some to be a northern subcontinent of the Americas.
New!!: History of radio and North America · See more »
NTSC
NTSC, named after the National Television System Committee,National Television System Committee (1951–1953),, 17 v. illus., diagrs., tables.
New!!: History of radio and NTSC · See more »
O Holy Night
"O Holy Night" ("Minuit Chretiens!" or "Cantique de Noël") is a well-known Christmas carol composed by Adolphe Adam in 1847 to the French poem "Minuit, chrétiens" (Midnight, Christians) written by a wine merchant and poet, Placide Cappeau (1808–1877).
New!!: History of radio and O Holy Night · See more »
Ocean Bluff-Brant Rock, Massachusetts
Ocean Bluff-Brant Rock is a census-designated place (CDP) in Plymouth County, Massachusetts, United States, composed of the neighborhoods of Ocean Bluff, Brant Rock, Fieldston, and Rexhame in the town of Marshfield.
New!!: History of radio and Ocean Bluff-Brant Rock, Massachusetts · See more »
Oliver Lodge
Sir Oliver Joseph Lodge, (12 June 1851 – 22 August 1940) was a British physicist and writer involved in the development of, and holder of key patents for, radio.
New!!: History of radio and Oliver Lodge · See more »
Omnidirectional antenna
In radio communication, an omnidirectional antenna is a class of antenna which have an axis about which radio wave power is radiated symmetrically, and, upon that axis, is zero.
New!!: History of radio and Omnidirectional antenna · See more »
Oxford University Museum of Natural History
The Oxford University Museum of Natural History, sometimes known simply as the Oxford University Museum or OUMNH, is a museum displaying many of the University of Oxford's natural history specimens, located on Parks Road in Oxford, England.
New!!: History of radio and Oxford University Museum of Natural History · See more »
Patent
A patent is a set of exclusive rights granted by a sovereign state or intergovernmental organization to an inventor or assignee for a limited period of time in exchange for detailed public disclosure of an invention.
New!!: History of radio and Patent · See more »
The Portable Document Format (PDF) is a file format developed in the 1990s to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.
New!!: History of radio and PDF · See more »
Personal area network
A personal area network (PAN) is a computer network for interconnecting devices centered on an individual person's workspace.
New!!: History of radio and Personal area network · See more »
Philadelphia
Philadelphia is the largest city in the U.S. state and Commonwealth of Pennsylvania, and the sixth-most populous U.S. city, with a 2017 census-estimated population of 1,580,863.
New!!: History of radio and Philadelphia · See more »
Phonograph record
A phonograph record (also known as a gramophone record, especially in British English, or record) is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove.
New!!: History of radio and Phonograph record · See more »
Pittsburgh
Pittsburgh is a city in the Commonwealth of Pennsylvania in the United States, and is the county seat of Allegheny County.
New!!: History of radio and Pittsburgh · See more »
Positive feedback
Positive feedback is a process that occurs in a feedback loop in which the effects of a small disturbance on a system include an increase in the magnitude of the perturbation.
New!!: History of radio and Positive feedback · See more »
Radio
Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width.
New!!: History of radio and Radio · See more »
Radio 2XG
Radio station 2XG, also known as the "Highbridge station", was an experimental station located in New York City and licensed to the De Forest Radio Telephone and Telegraph Company from 1915-1917 and 1920-1924.
New!!: History of radio and Radio 2XG · See more »
Radio Act of 1912
The Radio Act of 1912 is a United States federal law that mandated that all radio stations in the United States be licensed by the federal government, as well as mandating that seagoing vessels continuously monitor distress frequencies.
New!!: History of radio and Radio Act of 1912 · See more »
Radio navigation
Radio navigation or radionavigation is the application of radio frequencies to determine a position of an object on the Earth.
New!!: History of radio and Radio navigation · See more »
Radio receiver
In radio communications, a radio receiver (receiver or simply radio) is an electronic device that receives radio waves and converts the information carried by them to a usable form.
New!!: History of radio and Radio receiver · See more »
Radio spectrum
The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3 000 GHz (3 THz).
New!!: History of radio and Radio spectrum · See more »
Radio wave
Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light.
New!!: History of radio and Radio wave · See more »
Radio-frequency engineering
Radio-frequency engineering, or RF engineering, is a subset of electrical engineering involving the application of transmission line, waveguide, antenna and electromagnetic field principles to the design and application of devices that produce or utilize signals within the range of about 20 kHz up to 300 GHz.
New!!: History of radio and Radio-frequency engineering · See more »
Radiofax
Radiofax, also known as weatherfax (portmanteau word from the words "weather facsimile") and HF fax (due to its common use on shortwave radio), is an analogue mode for transmitting monochrome images.
New!!: History of radio and Radiofax · See more »
RCA
The RCA Corporation was a major American electronics company, which was founded as the Radio Corporation of America in 1919.
New!!: History of radio and RCA · See more »
Regency TR-1
The Regency TR-1 was the first commercially manufactured transistor radio.
New!!: History of radio and Regency TR-1 · See more »
Regenerative circuit
A regenerative circuit is an amplifier circuit that employs positive feedback (also known as regeneration); some of the output of the amplifying device is applied to its input without phase inversion, which reinforces the signal, increasing the amplification.
New!!: History of radio and Regenerative circuit · See more »
Reginald Fessenden
Reginald Aubrey Fessenden (October 6, 1866 – July 22, 1932) was a Canadian-born inventor, who did a majority of his work in the United States and also claimed U.S. citizenship through his American-born father.
New!!: History of radio and Reginald Fessenden · See more »
Richard H. Ranger
Richard Howland Ranger (13 June 1889 – 10 January 1962) was an American electrical engineer, music engineer and inventor.
New!!: History of radio and Richard H. Ranger · See more »
RMS Titanic
RMS Titanic was a British passenger liner that sank in the North Atlantic Ocean in the early hours of 15 April 1912, after colliding with an iceberg during its maiden voyage from Southampton to New York City.
New!!: History of radio and RMS Titanic · See more »
Roberto Landell de Moura
Father Roberto Landell de Moura (January 21, 1861 – June 30, 1928), commonly known as Roberto Landell, was a Brazilian Roman Catholic priest and inventor.
New!!: History of radio and Roberto Landell de Moura · See more »
Royal Society
The President, Council and Fellows of the Royal Society of London for Improving Natural Knowledge, commonly known as the Royal Society, is a learned society.
New!!: History of radio and Royal Society · See more »
San Jose, California
San Jose (Spanish for 'Saint Joseph'), officially the City of San José, is an economic, cultural, and political center of Silicon Valley and the largest city in Northern California.
New!!: History of radio and San Jose, California · See more »
Santa Clara Valley
The Santa Clara Valley runs south-southeast from the southern end of San Francisco Bay in Northern California in the United States.
New!!: History of radio and Santa Clara Valley · See more »
Satellite navigation
A satellite navigation or satnav system is a system that uses satellites to provide autonomous geo-spatial positioning.
New!!: History of radio and Satellite navigation · See more »
São Paulo
São Paulo is a municipality in the southeast region of Brazil.
New!!: History of radio and São Paulo · See more »
Schenectady, New York
Schenectady is a city in Schenectady County, New York, United States, of which it is the county seat.
New!!: History of radio and Schenectady, New York · See more »
Shortwave radio
Shortwave radio is radio transmission using shortwave radio frequencies.
New!!: History of radio and Shortwave radio · See more »
Siemens
Siemens AG is a German conglomerate company headquartered in Berlin and Munich and the largest industrial manufacturing company in Europe with branch offices abroad.
New!!: History of radio and Siemens · See more »
Siemens & Halske
Siemens & Halske AG (or Siemens-Halske) was a German electrical engineering company that later became part of Siemens.
New!!: History of radio and Siemens & Halske · See more »
Silk
Silk is a natural protein fiber, some forms of which can be woven into textiles.
New!!: History of radio and Silk · See more »
Single-sideband modulation
In radio communications, single-sideband modulation (SSB) or single-sideband suppressed-carrier modulation (SSB-SC) is a type of modulation, used to transmit information, such as an audio signal, by radio waves.
New!!: History of radio and Single-sideband modulation · See more »
Sirius Satellite Radio
Sirius Satellite Radio was a satellite radio (SDARS) and online radio service operating in North America, owned by Sirius XM Holdings.
New!!: History of radio and Sirius Satellite Radio · See more »
Soap opera
A soap opera or soaper is an ongoing, episodic work of fiction presented in serial format on television, radio and in novels, featuring the lives of many characters and focusing on emotional relationships to the point of melodrama.
New!!: History of radio and Soap opera · See more »
Software-defined radio
Software-defined radio (SDR) is a radio communication system where components that have been traditionally implemented in hardware (e.g. mixers, filters, amplifiers, modulators/demodulators, detectors, etc.) are instead implemented by means of software on a personal computer or embedded system.
New!!: History of radio and Software-defined radio · See more »
SOLAS Convention
The International Convention for the Safety of Life at Sea (SOLAS) is an international maritime treaty which sets minimum safety standards in the construction, equipment and operation of merchant ships.
New!!: History of radio and SOLAS Convention · See more »
Sony
is a Japanese multinational conglomerate corporation headquartered in Kōnan, Minato, Tokyo.
New!!: History of radio and Sony · See more »
Spanish Army
The Spanish Army (Ejército de Tierra; "Army of the Land/Ground") is the terrestrial army of the Spanish Armed Forces responsible for land-based military operations.
New!!: History of radio and Spanish Army · See more »
Spark gap
A spark gap consists of an arrangement of two conducting electrodes separated by a gap usually filled with a gas such as air, designed to allow an electric spark to pass between the conductors.
New!!: History of radio and Spark gap · See more »
Spark-gap transmitter
A spark-gap transmitter is a device that generates radio frequency electromagnetic waves using a spark gap.
New!!: History of radio and Spark-gap transmitter · See more »
Springfield, Massachusetts
Springfield is a city in western New England, and the historical seat of Hampden County, Massachusetts, United States.
New!!: History of radio and Springfield, Massachusetts · See more »
St. Louis
St.
New!!: History of radio and St. Louis · See more »
Strait of Gibraltar
The Strait of Gibraltar (مضيق جبل طارق, Estrecho de Gibraltar) is a narrow strait that connects the Atlantic Ocean to the Mediterranean Sea and separates Gibraltar and Peninsular Spain in Europe from Morocco and Ceuta (Spain) in Africa.
New!!: History of radio and Strait of Gibraltar · See more »
Superheterodyne receiver
A superheterodyne receiver, often shortened to superhet, is a type of radio receiver that uses frequency mixing to convert a received signal to a fixed intermediate frequency (IF) which can be more conveniently processed than the original carrier frequency.
New!!: History of radio and Superheterodyne receiver · See more »
Supreme Court of the United States
The Supreme Court of the United States (sometimes colloquially referred to by the acronym SCOTUS) is the highest federal court of the United States.
New!!: History of radio and Supreme Court of the United States · See more »
Tarifa
Tarifa is a small town in the province of Cádiz, Andalusia, on the southernmost coast of mainland Spain.
New!!: History of radio and Tarifa · See more »
Telecommunication
Telecommunication is the transmission of signs, signals, messages, words, writings, images and sounds or information of any nature by wire, radio, optical or other electromagnetic systems.
New!!: History of radio and Telecommunication · See more »
Telefunken
Telefunken was a German radio and television apparatus company, founded in Berlin in 1903, as a joint venture of Siemens & Halske and the Allgemeine Elektricitäts-Gesellschaft (AEG) (General electricity company).
New!!: History of radio and Telefunken · See more »
Telegraphy
Telegraphy (from Greek: τῆλε têle, "at a distance" and γράφειν gráphein, "to write") is the long-distance transmission of textual or symbolic (as opposed to verbal or audio) messages without the physical exchange of an object bearing the message.
New!!: History of radio and Telegraphy · See more »
Teleprinter
A teleprinter (teletypewriter, Teletype or TTY) is an electromechanical typewriter that can be used to send and receive typed messages through various communications channels, in both point-to-point and point-to-multipoint configurations.
New!!: History of radio and Teleprinter · See more »
Television
Television (TV) is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in colour, and in two or three dimensions and sound.
New!!: History of radio and Television · See more »
Telstar
Telstar is the name of various communications satellites.
New!!: History of radio and Telstar · See more »
Temistocle Calzecchi-Onesti
Temistocle Calzecchi Onesti (December 14, 1853 – November 25, 1922) was an Italian physicist and inventor born in Lapedona, Italy, where his father, Icilio Calzecchi, a medical doctor from nearby Monterubbiano, was temporarily working at the time.
New!!: History of radio and Temistocle Calzecchi-Onesti · See more »
Test case (law)
In case law, a test case is a legal action whose purpose is to set a precedent.
New!!: History of radio and Test case (law) · See more »
The Boston Globe
The Boston Globe (sometimes abbreviated as The Globe) is an American daily newspaper founded and based in Boston, Massachusetts, since its creation by Charles H. Taylor in 1872.
New!!: History of radio and The Boston Globe · See more »
The Hague
The Hague (Den Haag,, short for 's-Gravenhage) is a city on the western coast of the Netherlands and the capital of the province of South Holland.
New!!: History of radio and The Hague · See more »
Thomas Edison
Thomas Alva Edison (February 11, 1847October 18, 1931) was an American inventor and businessman, who has been described as America's greatest inventor.
New!!: History of radio and Thomas Edison · See more »
Timeline of radio
The timeline of radio lists within the history of radio, the technology and events that produced instruments that use radio waves and activities that people undertook.
New!!: History of radio and Timeline of radio · See more »
Timeline of the introduction of radio in countries
This is a list of when the first radio broadcasts to the public occurred in the mentioned countries and territories.
New!!: History of radio and Timeline of the introduction of radio in countries · See more »
Track (rail transport)
The track on a railway or railroad, also known as the permanent way, is the structure consisting of the rails, fasteners, railroad ties (sleepers, British English) and ballast (or slab track), plus the underlying subgrade.
New!!: History of radio and Track (rail transport) · See more »
Transistor
A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power.
New!!: History of radio and Transistor · See more »
Transistor radio
A transistor radio is a small portable radio receiver that uses transistor-based circuitry.
New!!: History of radio and Transistor radio · See more »
Transmitter
In electronics and telecommunications, a transmitter or radio transmitter is an electronic device which produces radio waves with an antenna.
New!!: History of radio and Transmitter · See more »
Triode
A triode is an electronic amplifying vacuum tube (or valve in British English) consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid, and a plate (anode).
New!!: History of radio and Triode · See more »
Tufts University
Tufts University is a private research university incorporated in the municipality of Medford, Massachusetts, United States.
New!!: History of radio and Tufts University · See more »
Union College
Union College is a private, non-denominational liberal arts college located in Schenectady, New York, United States.
New!!: History of radio and Union College · See more »
United States antitrust law
United States antitrust law is a collection of federal and state government laws that regulates the conduct and organization of business corporations, generally to promote fair competition for the benefit of consumers.
New!!: History of radio and United States antitrust law · See more »
United States Department of Commerce
The United States Department of Commerce is the Cabinet department of the United States government concerned with promoting economic growth.
New!!: History of radio and United States Department of Commerce · See more »
United States Department of Commerce and Labor
The United States Department of Commerce and Labor was a short-lived Cabinet department of the United States government, which was concerned with controlling the excesses of big business.
New!!: History of radio and United States Department of Commerce and Labor · See more »
United States Patent and Trademark Office
The United States Patent and Trademark Office (USPTO) is an agency in the U.S. Department of Commerce that issues patents to inventors and businesses for their inventions, and trademark registration for product and intellectual property identification.
New!!: History of radio and United States Patent and Trademark Office · See more »
University of Wisconsin–Madison
The University of Wisconsin–Madison (also known as University of Wisconsin, Wisconsin, UW, or regionally as UW–Madison, or simply Madison) is a public research university in Madison, Wisconsin, United States.
New!!: History of radio and University of Wisconsin–Madison · See more »
Vacuum
Vacuum is space devoid of matter.
New!!: History of radio and Vacuum · See more »
Vacuum tube
In electronics, a vacuum tube, an electron tube, or just a tube (North America), or valve (Britain and some other regions) is a device that controls electric current between electrodes in an evacuated container.
New!!: History of radio and Vacuum tube · See more »
Very high frequency
Very high frequency (VHF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) from 30 to 300 megahertz (MHz), with corresponding wavelengths of ten to one meter.
New!!: History of radio and Very high frequency · See more »
VHF omnidirectional range
Very High Frequency (VHF) Omni-Directional Range (VOR) is a type of short-range radio navigation system for aircraft, enabling aircraft with a receiving unit to determine their position and stay on course by receiving radio signals transmitted by a network of fixed ground radio beacons.
New!!: History of radio and VHF omnidirectional range · See more »
Violin
The violin, also known informally as a fiddle, is a wooden string instrument in the violin family.
New!!: History of radio and Violin · See more »
Volt
The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.
New!!: History of radio and Volt · See more »
WAAF (FM)
WAAF (107.3 MHz) is a commercial FM radio station licensed to Westborough, Massachusetts.
New!!: History of radio and WAAF (FM) · See more »
WABC (AM)
WABC (770 AM), known as "77 WABC" is a radio station licensed to New York City and is owned by the broadcasting division of Cumulus Media.
New!!: History of radio and WABC (AM) · See more »
Waistcoat
A waistcoat (or; often called a vest in American English, and colloquially a weskit) is a sleeveless upper-body garment.
New!!: History of radio and Waistcoat · See more »
Washington, D.C.
Washington, D.C., formally the District of Columbia and commonly referred to as Washington or D.C., is the capital of the United States of America.
New!!: History of radio and Washington, D.C. · See more »
Wavelength
In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.
New!!: History of radio and Wavelength · See more »
WBZ (AM)
WBZ (1030 kHz) is a Class A clear channel AM radio station licensed in Boston, Massachusetts.
New!!: History of radio and WBZ (AM) · See more »
WEAF (AM)
WEAF (1130 AM) is a gospel music formatted radio station in Camden, South Carolina.
New!!: History of radio and WEAF (AM) · See more »
West Sayville, New York
West Sayville is a hamlet in Suffolk County, New York, United States.
New!!: History of radio and West Sayville, New York · See more »
Western Electric
Western Electric Company (WE, WECo) was an American electrical engineering and manufacturing company that served as the primary supplier to AT&T from 1881 to 1996.
New!!: History of radio and Western Electric · See more »
Westinghouse Electric Corporation
The Westinghouse Electric Corporation was an American manufacturing company.
New!!: History of radio and Westinghouse Electric Corporation · See more »
WGI (defunct)
WGI was an early radio broadcasting station, licensed to the American Radio and Research Corporation (AMRAD) of Medford Hillside, Massachusetts.
New!!: History of radio and WGI (defunct) · See more »
WHA (AM)
WHA (970 kHz) is a non-commercial AM radio station, licensed since 1922 to the University of Wisconsin and located in Madison, Wisconsin.
New!!: History of radio and WHA (AM) · See more »
White noise
In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density.
New!!: History of radio and White noise · See more »
Wilhelm II, German Emperor
Wilhelm II (Friedrich Wilhelm Viktor Albert von Hohenzollern; 27 January 18594 June 1941) was the last German Emperor (Kaiser) and King of Prussia, ruling the German Empire and the Kingdom of Prussia from 15 June 1888 to 9 November 1918.
New!!: History of radio and Wilhelm II, German Emperor · See more »
William Crookes
Sir William Crookes (17 June 1832 – 4 April 1919) was a British chemist and physicist who attended the Royal College of Chemistry in London, and worked on spectroscopy.
New!!: History of radio and William Crookes · See more »
William Henry Preece
Sir William Henry Preece KCB FRS (15 February 1834 – 6 November 1913) was a Welsh electrical engineer and inventor.
New!!: History of radio and William Henry Preece · See more »
Wireless
Wireless communication, or sometimes simply wireless, is the transfer of information or power between two or more points that are not connected by an electrical conductor.
New!!: History of radio and Wireless · See more »
Wireless LAN
A wireless local area network (WLAN) is a wireless computer network that links two or more devices using wireless communication within a limited area such as a home, school, computer laboratory, or office building.
New!!: History of radio and Wireless LAN · See more »
Wireless Ship Act of 1910
The Wireless Ship Act was passed by the United States Congress in 1910, requiring all ships of the United States traveling over two-hundred miles off the coast and carrying over 60 passengers to be equipped with wireless radio equipment with a range of one-hundred miles.
New!!: History of radio and Wireless Ship Act of 1910 · See more »
Wireless telegraphy
Wireless telegraphy is the transmission of telegraphy signals from one point to another by means of an electromagnetic, electrostatic or magnetic field, or by electrical current through the earth or water.
New!!: History of radio and Wireless telegraphy · See more »
Writtle
The village and civil parish of Writtle lies west of Chelmsford, Essex, England.
New!!: History of radio and Writtle · See more »
WRUC
WRUC (89.7 MHz) is an independent educational college radio station, owned and operated by Union College in Schenectady, New York.
New!!: History of radio and WRUC · See more »
WWJ (AM)
WWJ, 950 kHz (a regional broadcast frequency), is an all-news AM radio station located in Detroit, Michigan.
New!!: History of radio and WWJ (AM) · See more »
WWV (radio station)
WWV is the call sign of the United States National Institute of Standards and Technology's (NIST) HF ("shortwave") radio station located near Fort Collins, Colorado.
New!!: History of radio and WWV (radio station) · See more »
Xàbia
Xàbia or Jávea is a coastal town in the comarca of Marina Alta, in the province of Alicante, Valencia, Spain, by the Mediterranean Sea.
New!!: History of radio and Xàbia · See more »
XM Satellite Radio
XM Satellite Radio (XM) was one of the three satellite radio (SDARS) and online radio services in the United States and Canada, operated by Sirius XM Holdings.
New!!: History of radio and XM Satellite Radio · See more »
1921 West Virginia vs. Pittsburgh football game
The 1921 West Virginia vs.
New!!: History of radio and 1921 West Virginia vs. Pittsburgh football game · See more »
2MT
2MT was the first British radio station to make regular entertainment broadcasts, and the world's first regular wireless broadcast for entertainment.
New!!: History of radio and 2MT · See more »
40-meter band
The 40-meter or 7-MHz band is an amateur radio frequency band, spanning 7000-7300 kHz in ITU Region-2, and 7000-7200 kHz in Regions 1 & 3.
New!!: History of radio and 40-meter band · See more »
Redirects here:
Copenhagen Frequency Plan of 1948, First radio broadcast, History of Radio, History of Radio Stations in the United States, History of radio (more information), Radio history, Radio/History, Vacuum-tube radio, Wireless radio.
References
[1] https://en.wikipedia.org/wiki/History_of_radio
