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French officials arrest admirer of mass murderer Anders Brevik

CORREZE, France, July 16 (UPI) -- French intelligence officials have arrested a neo-Nazi heavy metal musician suspected of sympathizing with Norwegian mass killer Anders Brevik.
WH won't call Morsi's ouster coup; Morsi's followers urge uprising

WH won't call Morsi's ouster coup; Morsi's followers urge uprising

CAIRO, July 8 (UPI) -- The White House didn't call the military ouster of Egyptian President Mohamed Morsi a coup as Morsi's followers urged a popular uprising against the military.

A look ahead at weekend racing plus Fourth of July results

Canada's signature race of the year, some defending Breeders' Cup champions and speed, speed, speed all are on tap in weekend racing.
ROBERT KIECKHEFER, UPI Racing Writer

Shock jock fired, asked Australian prime minister about her sex life

PERTH, Australia, June 14 (UPI) -- After a radio interview in which Australian Prime Minister Julia Gillard was asked about her sex life, the interviewer was fired, the radio network said.
McGaughey confident about Preakness but wary of pitfalls

McGaughey confident about Preakness but wary of pitfalls

BALTIMORE, May 17 (UPI) -- Trainer Shug McGaughey says it'll take "a pretty darn good horse" to beat Kentucky Derby winner Orb in the Preakness Stakes, the second leg of the Triple Crown.

French leftists protest to clean up government corruption

PARIS, May 5 (UPI) -- A coalition of left-wing parties said 180,000 people rallied in Paris Sunday, demanding reforms to French President Francois Hollande's Socialist government.

Kentucky Derby, Oaks top weekend racing

The Kentucky Derby and Kentucky Oaks capture worldwide attention this weekend while British and Japanese 3-year-olds also crank things up.
ROBERT KIECKHEFER, UPI Racing Writer

Lockdown lifted at Madison, Wis.-area schools; fugitive found

MADISON, Wis., May 2 (UPI) -- A lockdown at schools in the Madison, Wis., area was lifted Thursday after police found a Chicago man the FBI said was wanted in a homicide investigation.

UPI Thoroughbred Racing Roundup

Wrap-up of thoroughbred stakes action.
ROBERT KIECKHEFER, UPI Racing Writer

Brigitte Bardot reunited with lost cat

SAINT-TROPEZ, France, April 25 (UPI) -- Former movie star Brigitte Bardot says she is thrilled to be reunited with her lost cat, which had been missing for almost a month.

A look at weekend Thoroughbred racing

Spring is busting out all over this weekend with Kentucky Derby preps in the East and West, and opening days at Keeneland and Pimlico
ROBERT KIECKHEFER, UPI Racing Writer

Taiwan expanding Cassidian's TETRA network

UNTERSCHLEISSHEIM, Germany, Feb. 20 (UPI) -- Equipment for a terrestrial trunked radio network for use nationwide by Taiwan's military police will be supplied by Cassidian of Germany.

No anonymity for sperm donors, court rules

HAMM, Germany, Feb. 8 (UPI) -- Children of sperm donors have the right to know the identity of their fathers, a regional appeals court in Hamm, Germany, ruled.

Raytheon unveils new P25net software

RALEIGH, N.C., March 19 (UPI) -- U.S. company Raytheon has unveiled new software that provides first responders with immediate alerts of radio-network problems.

Liberal radio network files for bankruptcy

NEW YORK, Oct. 13 (UPI) -- Air America, the liberal radio network, filed for Chapter 11 protection in federal bankruptcy court in New York Friday.
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Photos
Radio Network
Wiki

There are two types of radio networks currently in use around the world: the one-to-many broadcast type commonly used for public information and entertainment; and the two-way type used more commonly for public safety and public services such as police, fire, taxis, and delivery services. Following is a description of the former type of radio network although many of the same components and much of the same basic technology applies to both.

The Broadcast type of radio network is a network system which distributes programming to multiple stations simultaneously, or slightly delayed, for the purpose of extending total coverage beyond the limits of a single broadcast signal. The resulting expanded audience for programming or information essentially applies the benefits of mass-production to the broadcasting enterprise. A radio network has two sales departments, one to package and sell programs to radio stations, and one to sell the audience of those programs to advertisers.

Most radio networks also produce much of their programming. Originally, radio networks owned some or all of the radio stations that broadcast the network's programming. Presently however, there are many networks that do not own any stations and only produce and/or distribute programming. Similarly station ownership does not always indicate network affiliation. A company might own stations in several different markets and purchase programming from a variety of networks.

This article is licensed under the GNU Free Documentation License.
It uses material from the Wikipedia article "Radio Network."
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