The first use for the diode was the demodulation of amplitude modulated ( AM ) radio broadcasts.

One FM station, which shifts between French, English, and Armenian, and the sole AM radio station, which broadcasts solely in Arabic, are owned by the state-owned Radio Lebanon, which is under the jurisdiction of the Ministry of Information.

Television broadcasts ( in analog video formats ) use this method if the video is transmitted in AM, due to the large bandwidth used.

The most important talk radio in Brazil is Jovem Pan AM, which have also sports and news broadcasts.

AM 1, FM 1, shortwave 0 ( 2004 )-Same radio station, TMC ( Tuvalu Media Cooperation ) broadcasts on both AM and FM.

More modest phased array longwire antenna systems may be employed by private radio enthusiasts to receive longwave, mediumwave ( AM ) and shortwave radio broadcasts from great distances.

Radio broadcast stations: AM 0, FM 1, shortwave 0 ( easy access to radio and television broadcasts originating in France and Spain ) ( 2007 )

Music and youth variety programs dominate FM formats ; news, debate, and sports are AM radio's primary broadcasts.

WSGH, an AM Spanish contemporary station, broadcasts from eastern Yadkin County.

VOA radio and television broadcasts are distributed by satellite, cable and on FM, AM, and shortwave radio frequencies.

One radio station, WZGX ( 1450 AM ), operates within the city ; it broadcasts Spanish language programming and music aimed at the growing Mexican population of Jefferson County, but continues a tradition established by previous owners of broadcasting high school football games on Friday nights ( in English ).

Two radio stations are licensed to the city: KKLO broadcasts from Leavenworth on 1410 AM, playing a Religious format ; KQRC-FM broadcasts from Mission, Kansas on 98. 9 FM, playing a Rock format.

KBRW ( AM )/ KBRW-FM radio station broadcasts in Barrow on 680 kHz AM and 91. 9 MHz FM.

* The primary local radio stations are WLJE 105. 5 FM " Indiana 105 ", which broadcasts country music, WAKE 1500 AM, which plays adult standards, and WVLP 98. 3 FM " ValpoRadio ", a non-profit, low power FM community radio station.

AM radio began with the first, experimental broadcast on Christmas Eve, 1906, by Canadian experimenter Reginald Fessenden, and was used for small-scale voice and music broadcasts up until World War I. San Francisco, California, radio station KCBS claims to be the direct descendant of KQW, founded by radio experimenter Charles " Doc " Herrold, who made regular weekly broadcasts in San Jose, California, as early as June 1909.

In the UK during the 1980s, BBC Radio 4 ( a largely speech channel ) had an FM location, whereas BBC Radio 1, a music channel, was confined to AM broadcasts over much of the UK.

In the United States, iBiquity's proprietary HD Radio has been adopted and approved by the FCC for medium wave transmissions, while Digital Radio Mondiale is a more open effort often used on the shortwave bands, and can be used alongside many AM broadcasts.

KRSL broadcasts on 990 AM, playing a Classic Country format.

WCEM broadcasts AM and FM radio from Cambridge.

WSTP, " Newsradio 1490 ", is an AM news / talk radio station whose programming also includes broadcasts of Atlanta Braves baseball games and those of the University of North Carolina Tar Heels, as well as some National Football League games.

Wilkes County's two largest radio stations are broadcast from North Wilkesboro: WKBC-FM ( 97. 3 FM ) broadcasts Adult Contemporary ( hot AC ) and WKBC ( AM ) ( 800 AM ) broadcasts American Country music.

This mix can also occur when an AM carrier is received on a channel that is adjacent to the desired channel.

Studies show that 64 % of all unstable anginas occur between 10 PM and 8 AM when patients are at rest.

In AM radio, the intelligence is located in the amplitude variations, and distortion can occur due to spurious signals that could cause the baseband to be misrepresented.

On March 19, 2012, one of the longest and most extensive facial transplants ever ( 36 hours, from 4 AM March 19 to 2-3 PM March 20 ; the 23rd ever to occur ; from the hairline to the neck, replacing essentially everything but the eyes and the back remnants of the throat ) took place on a Richard Lee Norris of Hillsville, Virginia, who had suffered a gunshot wound in 1997 that left him with extensive facial trauma, at the R Adams Cowley Shock Trauma Center at the University of Maryland Medical Center in Baltimore, Maryland.

Inexplicable radio blackouts — sometimes encountered on the AM broadcast band — also occur on 160 meters.

With the existence of these many factors, some of them variable, it obviously has never been and is not now possible for the Commission to make assignments of AM stations on a case-to-case basis which will insure against any interference in any circumstances.

Essentially, the question presented for decision in the present Daytime Skywave proceeding is whether our decision ( in 1938-1939 ) to assign stations on the basis of daytime conditions from sunrise to sunset, is sound as a basis for AM allocations, or whether, in the light of later developments and new understanding, skywave transmission is of such significance during the hours immediately before sunset and after sunrise that this condition should be taken into account, and some stations required to afford protection to other stations during these hours.

The official mission countdown began on Monday, 10 April 1972 at 8: 30 AM, six days before the launch.

Professional touring amplifiers often have input and / or output filtering to sharply limit frequency response beyond ; too much of the amplifier's potential output power would otherwise be wasted on infrasonic and ultrasonic frequencies, and the danger of AM radio interference would increase.

Alcohol sales for consumption off-premises are not permitted between 4 AM and 8 AM on Sundays, while on-premises sales are not permitted between 4 AM and 8 AM on any day.

* Broadcast stations: AM 1, FM 2 ( transmitting on 18 different frequencies ), shortwave 0 ( 2006 )

On July 14, 2005, Tom Biscardi, a long-time Bigfoot enthusiast and CEO of Searching for Bigfoot Inc., appeared on the Coast to Coast AM paranormal radio show and announced that he was " 98 % sure that his group will be able to capture a Bigfoot which they have been tracking in the Happy Camp, California area.

Biscardi appeared on Coast to Coast AM again a few days later to announce that there was no captive Bigfoot.

In Baltimore, Orioles games on radio can be heard over WBAL ( 1090 AM ).

Radio DJs or radio personalities introduce and play music that is broadcast on AM, FM, shortwave, digital, or internet radio stations.

The feast day masses on the third of December will be held at 4 AM, 5 AM, 6 AM, 7 AM, 8 AM, 9 AM, 10. 30 AM, 12 noon, 3 PM ( Spanish ), 4 PM, 5 PM and 6 PM.

The Gibraltar Broadcasting Corporation ( GBC ) operates Radio Gibraltar on both FM and AM, broadcasting a mix of local programming in English and Spanish, and retransmissions of the BBC World Service.

North Korea has two AM radio broadcasting networks, Pyongyang Broadcasting Station ( Radio Pyongyang ) and Korean Central Broadcasting Station, and one FM network, Pyongyang FM Broadcasting Station.

Radio broadcast stations: AM 9, FM 4 ( 1998 ), shortwave 1 ( Radio Netherlands transmits programs to North and South America from there )

* 10: 28 AM: North Tower of World Trade Center collapses.

The last play-only cassette Walkman to be introduced ( in North America, at least ) was the WM-FX290, first sold in 2002, which also featured digital tuning, AM, FM, TV and weather band radio, operating on a single AA battery.

In North American broadcasting practice, transmitter power input to the antenna for commercial AM stations ranges from about 250 to 50, 000 watts.

Changes were made regarding AM frequencies in 1941 as a result of the North American Radio Broadcasting Agreement ; this moved WENR and WLS from 870 kHz to 890 kHz.

* WEGO ( AM ), a radio station in Winston-Salem, North Carolina

In response to the growing popularity of FM radio stereo radio stations in the late 1980s and early 1990s, some North American stations began broadcasting in AM stereo, though this never gained popularity, and very few receivers were ever sold.

File: 2008-07-28 Mast radiator. jpg | A mast radiator antenna for an AM radio station in Chapel Hill, North Carolina

However the low cost of ADF and RDF systems, and the continued existence of AM broadcast stations ( as well as navigational beacons in countries outside North America ) has allowed these devices to continue to function, primarily for use in small boats, as an adjunct or backup to GPS.

A clear-channel station is an AM band radio station in North America that has the highest protection from interference from other stations, particularly concerning night-time skywave propagation.

Certain mediumwave frequencies were set aside under the North American Radio Broadcasting Agreement ( NARBA ) for nighttime use by only one or two specific AM stations, covering a wide area via skywave propagation ; these frequencies were known as the clear channels, and the stations on them are thus clear-channel stations.

Clear-channel stations, unlike all other AM stations in North America, have a secondary service area — that is, they are entitled to protection from interference to their nighttime skywave signals.

For elections to the London Assembly it is part of the North East constituency and the AM is Jennette Arnold of the Labour Party.

* WADE ( AM ), a radio station in Wadesboro, North Carolina, United States

* WISE ( AM ), a radio station licensed to Asheville, North Carolina

Sunday BBC London 12-2pm-Soul and Motown Show, 4-7pm Magic AM in the North ( Live ), and KMFM ( Radio Network ), which is pre-recorded.

Early FM broadcasting in North America originally used the 42 – 50 MHz band ( this range was also used by a class of experimental wideband AM stations known as apex broadcasters ).

* 103A: AM: Georgia State Capitol to Midtown, ending at Discover Mills Park & Ride via Steve Reynolds Boulevard, Breckingridge Road, and North Brown. PM: Discover Mills via Steve Reynolds Boulevard, Breckinridge Road, and North Brown to Midtown ending at the Georgia State Capitol

, there are still several AM radio stations in North America broadcasting in C-QUAM stereo.