Satellite Internet Access ... The internet latency mentioned above makes satellite Internet service problematic for applications requiring real-time user input, such as online games or remote surgery. This delay can also be irritating and debilitating with interactive applications, such as VoIP, videoconferencing, or other person-to-person communication...
WiMAX ... The original IEEE 802.16 standard (now called "Fixed WiMAX") was published in 2001. WiMAX adopted some of its technology from WiBro, a service marketed in Korea...
Power Line Communication ... A number of difficult technical problems are common between wireless and power line communication, notably those of spread spectrum radio signals operating in a crowded environment...
LC Circuit ... They are key components in many electronic devices, particularly radio equipment, used in circuits such as oscillators, filters, tuners and frequency mixers...
Radio ... When radio waves strike an electrical conductor, the oscillating fields induce an alternating current in the conductor... British Commonwealth countries continued to commonly use the term "wireless" until the mid-20th century, though the magazine of the BBC in the UK has been called Radio Times ever since it was first published in the early 1920s...
Mechanical Television ... The earliest mechanical television components originated with 19th century inventors, with 20th century inventors later adding electronic components as they were created. Mechanical systems were used in television broadcasting from 1925 to 1939, overlapping the all-electronic television era by three years...
Television In The United States ... The first three began as radio networks: NBC and CBS in the 1920s, and ABC was spun off from NBC in 1943...
Ràdio I Televisió D'Andorra ... The broadcaster has to compete with TV and radio stations from both France and Spain whose transmissions can easily be picked up in the principality...
United States Space Surveillance Network ... Contributions came from radar stations, Baker–Nunn cameras, telescopes, radio receivers, and the Operation Moonwatch participants...
Television In The United Kingdom ... Over the next 30 years, whilst the network of transmitters expanded, two additional commercial services were offered (Channel 4 and Channel Five). This system is currently being phased out, from 2008 to 2012...
Freeview (New Zealand) ... The Freeview service started in May 2007, introducing free-to-air digital television to the country and preparing for analogue switchoff, which will begin on 30 September 2012 and be completed on 1 December 2013a In May 2011, it was estimated that 77% of New Zealand households have at least one digitally-equipped television set (including Freeview, Sky and TelstraClear), with Freeview making up approximately 45% of the digital television share. Freeview-certified set-top boxes and IDTVs, as well as PVRs, are available at most major New Zealand retailers...
BBC ... Outside the UK, the BBC World Service has provided services by direct broadcasting and re-transmission contracts by sound radio since the inauguration of the BBC Empire Service in December 1932, and more recently by television and online...
Television In Spain ... The Audiovisual Law of 2010 changed this by defining radio and television as commercial services that individuals pay for, fostering liberalization within some constraints...
Television In Russia ... In 1960 a second national television channel was established. This initial expansion of activity encompassed mostly the city of Moscow, but to a lesser extent also Leningrad, the Urals, Siberia and the Ukrainian SSR...
RLC Circuit ... Another important application is for tuning, such as in radio receivers or television sets, where they are used to select a narrow range of frequencies from the ambient radio waves...
Television ... The etymology of the word has a mixed Latin and Greek origin, meaning "far sight": Greek tele (τῆλε), far, and Latin visio, sight (from video, vis- to see, or to view in the first person). Commercially available since the late 1920s, the television set has become commonplace in homes, businesses and institutions, particularly as a vehicle for advertising, a source of entertainment, and news...