"AM Radio" redirects here. For the song by Everclear, see AM Radio (song). For the American musical group, see AM Radio (band). AM broadcasting is a radio broadcasting technology, which employs amplitude modulation (AM) transmissions. It was the first method developed for making audio radio transmissions, and is still used worldwide, primarily for medium wave (also known as "AM band") transmissions, but also on the longwave and shortwave radio bands. The earliest experimental AM transmissions were begun in the early 1900s. However, widespread AM broadcasting was not established until the 1920s, following the development of vacuum tube receivers and transmitters. AM radio remained the dominant method of broadcasting for the next 30 years, a period called the "Golden Age of Radio", until television broadcasting became widespread in the 1950s and received most of the programming previously carried by radio. Subsequently, AM radio's audiences have a...
Köten Khan Reign 1223–1241 Predecessor ? Successor ? Born Cumania Baptised 1238 Hungary Died 17 March 1241 Pest, Hungary Noble family Terteroba Issue (see section) Religion Tengriism, Roman Catholicism (by conversion) Occupation Cuman–Kipchak khan Köten (Russian: Котян , Hungarian: Kötöny , Arabic: Kutan ; fl. 1223–41) was a Cuman–Kipchak chieftain ( khan ) and military commander active in the mid-13th century. He forged the important alliance with the Kievan Rus against the Mongols but was ultimately defeated by them at the Kalka River. After the Mongol victory in 1238, Köten led 40,000 "huts" to Hungary, where he became an ally of the Hungarian king and accepted Catholicism, but was nonetheless assassinated by the Hungarian nobility. Contents 1 Name 2 Life 3 Terter dynasty 4 Family 5 See also 6 References 7 Notes Name Köten, known as Kötöny in Hungarian and Kotjan (or Kotyan ) i...
For the Japanese band, see doa (Japanese band). D.O.A. Mike Hodsall, Joe Keithley, and Paddy Duddy in the lower east side of Vancouver BC, 2015. Photographer: Tom Wiebe Background information Origin Vancouver, British Columbia, Canada Genres Hardcore punk, punk rock Years active 1978–1990 • 2002–2013 • 2014–present Labels Alternative Tentacles, Sudden Death Members Joe Keithley Mike Hodsall Paddy Duddy Past members Chuck Biscuits Randy Rampage Dave Gregg Brian Roy Goble Dimwit Chris Prohom Jon Card Ken Jensen Ford Pier John Wright Brien O'Brien The Great Baldini James Hayden Floor Tom Jones Dan Yaremko D.O.A. is a Canadian punk rock band from Vancouver, British Columbia. They are often referred to as the "founders" of hardcore punk along with Black Flag, Bad Brains, Angry Samoans, the Germs, Negative Trend, and Middle Class. Their second album Hardcore '81 was thought by many [1] to have been the first actual reference ...
中华人民共和国
