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W2XCR
W2XCR was founded in 1931 in Long Island City, New York by the radio station WGBS (now WINS). During the early part of 1931, but before the call letters were changed to WINS, the station began experimenting with mechanical television broadcasting, operating a Jenkins mechanical scanner through the experimental transmitter, W2XCR. The station broadcast using both 48-line, 15 frame/s, and 60-line, 20 frame/s standards during 1931. Mechanical TV broadcast in the AM radio band (550–1,500 kHz) in 1928 and 1929. With 24- and 30-line systems, only about 10 kHz of bandwidth was needed, so standard radio channels could be used. Some stations also broadcast in the shortwave band. Beginning in 1930, the 2-3 Mc. band was used for television, with 100 kHz channel width. 60-line systems required about 40 kHz of bandwidth. TV broadcasts could be identified by their distinctive sound. See also * List of experimental television stations * Oldest television station * Charles J ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles Jenkins Laboratories
Charles Jenkins Laboratories was founded in by Charles Francis Jenkins, developer of the Phantoscope, the first commercial tv station W3XK and the first commercial television company. History Charles Francis Jenkins in 1890 moved to Washington D.C. to work as an Steganographer, then he experimented with motion pictures and in 1890 developed a movie projector called the Phantoscope, the laboratory was created years after it. Transmission of Pictures over Wireless In March 13, 1922 Charles Jenkins filed the U.S. patent No. 1,544,156 for Transmition of Pictures over Wireless, it was granted on June 30, 1925. W3XK, the first commercial TV station in the US In 1928 Charles Jenkins was granted the first commercial television license in the United States and In July 2, 1928 Jenkins Television Corporation started to operate W3XK, the first TV station. first aired from Jenkins Labs in Washington and from 1929 on from Wheaton, Maryland, five nights a week. At first, the station ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Experimental Television Stations
This page is a list of the experimental television stations before 1946. After 1945 (in the United States) the television frequencies were opened up to commercialization and regular broadcasts began. Regular broadcast television start dates vary widely by country; in many regions, initial broadcast video deployment was delayed due to mobilisation for World War II. (Note: The listing of current broadcast channels for these stations is not up-to-date as many low-VHF stations have moved to UHF frequencies as a result of digital television transition. This is less of an issue in the United Kingdom because of its all-UHF system, but most early US broadcasters were on affected channels before analogue shutdown. Very few full-service North American broadcasters remain on physical channels VHF 2-6 digitally due to impulse noise problems and strict limits on maximum transmitted power at these frequencies.) Television stations, as of 1928 Television stations, from 1928 to 1939 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Long Island City, New York
Long Island City (LIC) is a residential and commercial neighborhood on the extreme western tip of Queens, a borough in New York City. It is bordered by Astoria to the north; the East River to the west; New Calvary Cemetery in Sunnyside to the east; and Newtown Creek—which separates Queens from Greenpoint, Brooklyn—to the south. Incorporated as a city in 1870, Long Island City was originally the seat of government of the Town of Newtown, before becoming part of the City of Greater New York in 1898. In the early 21st century, Long Island City became known for its rapid and ongoing residential growth and gentrification, its waterfront parks, and its thriving arts community. The area has a high concentration of art galleries, art institutions, and studio space. Long Island City is the eastern terminus of the Queensboro Bridge, the only non-tolled automotive route connecting Queens and Manhattan. Northwest of the bridge are the Queensbridge Houses, a development of the New ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
WINS (AM)
WINS (1010 Hertz, kHz) is a commercial AM radio, AM radio station licensed to New York City, New York, New York, owned by Audacy, Inc. It features an All-news radio, all-news format known as 1010 WINS, with the call sign Phonetics, phonetically pronounced as "wins". WINS's studios are located in the combined Audacy facility in the Hudson Square neighborhood in lower Manhattan, and its transmitter is located in Lyndhurst, New Jersey. WINS is the oldest continuously operating all-news station in the United States, having adopted the format on April 19, 1965, under former owner Westinghouse Broadcasting, and is one of two all-news stations in the New York City market owned by Audacy, with WCBS (AM), WCBS (880 AM) being the other. The station's nighttime signal, via ionosphere skywave propagation, reaches much of the eastern half of North America. WINS formerly broadcast in the HD Radio (hybrid) format. As of October 27, 2022, WINS is simulcasting on WINS-FM (92.3 FM). ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mechanical Television
Mechanical television or mechanical scan television is a television system that relies on a mechanical scanning device, such as a rotating disk with holes in it or a rotating mirror drum, to scan the scene and generate the video signal, and a similar mechanical device at the receiver to display the picture. This contrasts with vacuum tube electronic television technology, using electron beam scanning methods, for example in cathode ray tube (CRT) televisions. Subsequently, modern solid-state liquid-crystal displays (LCD) are now used to create and display television pictures. Mechanical-scanning methods were used in the earliest experimental television systems in the 1920s and 1930s. One of the first experimental wireless television transmissions was by John Logie Baird on October 2, 1925, in London. By 1928 many radio stations were broadcasting experimental television programs using mechanical systems. However the technology never produced images of sufficient quality to become ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Popular Science
''Popular Science'' (also known as ''PopSci'') is an American digital magazine carrying popular science content, which refers to articles for the general reader on science and technology subjects. ''Popular Science'' has won over 58 awards, including the American Society of Magazine Editors awards for its journalistic excellence in 2003 (for General Excellence), 2004 (for Best Magazine Section), and 2019 (for Single-Topic Issue). With roots beginning in 1872, ''Popular Science'' has been translated into over 30 languages and is distributed to at least 45 countries. Early history ''The Popular Science Monthly'', as the publication was originally called, was founded in May 1872 by Edward L. Youmans to disseminate scientific knowledge to the educated layman. Youmans had previously worked as an editor for the weekly ''Appleton's Journal'' and persuaded them to publish his new journal. Early issues were mostly reprints of English periodicals. The journal became an outlet for writings ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oldest Television Station
This is a list of pre-World War 2 television stations of the 1920s and 1930s. Most of these experimental stations were located in Europe (notably in the United Kingdom, France, Germany, Italy, Poland, the Netherlands, and Russia), Australia, Canada, and the United States. Some present-day broadcasters trace their origins to these early stations. All television licenses in the United States were officially "experimental" before July 1941, as the NTSC television standard had yet to be developed, and some American television broadcasters continued operating under experimental licenses as late as 1947, although by then they were using the same technical standards as their commercial brethren. List * Present North American broadcast television starts at 54 MHz ( VHF) * Present day UK TV broadcasts begin at 470 MHz ( UHF) See also * Timeline of the BBC * History of television * Timeline of the introduction of television in countries * Timeline of the introduction of co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
W3XK
W3XK is widely regarded as the oldest television station in the United States. It was operated by Charles Jenkins of Charles Jenkins Laboratories from July 2, 1928 to 1934. It is believed to be the first station to broadcast to the general public. (Note, however, that in January 1928, GE began broadcasting as 2XB – later W2XB – on 790 kHz using a 24 line mechanical standard. ) The station's frequency started out at 1605 kc., but moved to 6420 kc. (6.42 Mc.), and eventually moved to the 2.-2.1 Mc. band. It broadcast from Wheaton, Maryland (just outside Washington, D.C.), at a resolution of just 48 lines. The way to view television at the time was by mechanical television sets, and this station operated in that way. See also * Bernard H. Paul * W2XB W, or w, is the twenty-third and fourth-to-last letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. It represents a consona ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
W2XBS
WNBC (channel 4) is a television station in New York City, serving as the flagship of the NBC network. It is owned and operated by the network's NBC Owned Television Stations division alongside Linden, New Jersey–licensed Telemundo station WNJU (channel 47). WNBC's studios and offices are co-located with NBC's corporate headquarters at 30 Rockefeller Plaza in Midtown Manhattan; WNJU's facilities in Fort Lee, New Jersey, also serve as WNBC's New Jersey news bureau. Through a channel sharing agreement with WNJU, the two stations transmit using WNJU's spectrum from an antenna atop One World Trade Center. WNBC holds the distinction as the oldest continuously operating commercial television station in the United States. History Experimental operations What is now WNBC traces its history to experimental station W2XBS, founded by the Radio Corporation of America (RCA, a co-founder of the National Broadcasting Company), in 1928, just two years after NBC was founded as the first nat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Experimental Television Stations
An experiment is a procedure carried out to support or refute a hypothesis, or determine the efficacy or likelihood of something previously untried. Experiments provide insight into cause-and-effect by demonstrating what outcome occurs when a particular factor is manipulated. Experiments vary greatly in goal and scale but always rely on repeatable procedure and logical analysis of the results. There also exist natural experimental studies. A child may carry out basic experiments to understand how things fall to the ground, while teams of scientists may take years of systematic investigation to advance their understanding of a phenomenon. Experiments and other types of hands-on activities are very important to student learning in the science classroom. Experiments can raise test scores and help a student become more engaged and interested in the material they are learning, especially when used over time. Experiments can vary from personal and informal natural comparisons (e. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
History Of Television In The United States
History (derived ) is the systematic study and the documentation of the human activity. The time period of event before the invention of writing systems is considered prehistory. "History" is an umbrella term comprising past events as well as the memory, discovery, collection, organization, presentation, and interpretation of these events. Historians seek knowledge of the past using historical sources such as written documents, oral accounts, art and material artifacts, and ecological markers. History is not complete and still has debatable mysteries. History is also an academic discipline which uses narrative to describe, examine, question, and analyze past events, and investigate their patterns of cause and effect. Historians often debate which narrative best explains an event, as well as the significance of different causes and effects. Historians also debate the nature of history as an end in itself, as well as its usefulness to give perspective on the problems of the p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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