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50:
157:, though rural regions with few significant population centers can also be designated as markets. Conversely, very large metropolitan areas can sometimes be subdivided into multiple segments. Market regions may overlap, meaning that people residing on the edge of one media market may be able to receive content from other nearby markets. They are widely used in
358:
A similar term used by
Nielsen Media Research is the Designated Market Area (DMA), and they control the trademark on it. DMAs are used by Nielsen Media Research to identify TV stations that best reach an area and attract the most viewers. There are 210 Nielsen DMAs in the United States, 70 of which
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Arbitron (now
Nielsen Audio) also maintained similar areas for television ratings, each called an "area of dominant influence" (ADI), which were first created in 1966. For the 1993–1994 television season, there were 209 ADIs in the continental United States. Arbitron stopped offering a television
410:. Whereas a typical TMA may cover ten counties, an Arbitron market generally covers two to four, and a TMA may contain two to four separate Radio Metros. There are 302 Radio Metros in the United States, but not all areas of the country are covered.
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and the fact that some metropolitan areas have large cities separated by some distance can make markets have unusual shapes and result in two, three, or more names being used to identify a single region (such as
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378:, where a sizable number of independent stations operate, but none carry any major network affiliation unless they operate as translators. Because of this, Olean is considered part of the
232:, radio markets are generally a bit smaller than their television counterparts, as broadcast power restrictions are stricter for radio than TV, and TV reaches further via cable.
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of broadcast television signals. Generally speaking, only stations within the same market area can be rebroadcast. The only exception to this rule is the "
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284:. In countries such as the United States, media regions are defined by a privately held institution without government status; in countries such as the
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The TMAs not only have full control over local broadcasts, but also delineate which channels will be received by satellite or cable subscribers (
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market despite none of that city's major signals reaching the city from 70 miles away.) Conversely, a geographically small market such as
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In 2009, Nielsen began offering radio ratings in competition with
Arbitron, starting in those markets ranked 101st and smaller.
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are metered (in other words, viewership in these markets are estimated automatically instead of through the archaic
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Markets are identified by the largest city, which is usually located in the center of the market region. However,
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TMAs may cover a much larger area than the stations that serve it, especially since the
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may have stations where their signal spills well over into neighboring TMAs (most of
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331:(FCC) to regulate broadcast, cable, and satellite transmissions, according to the
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Significantly viewed out-of-market television stations in the United States
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levels and other non-physical factors. This information is used by
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347:). These market areas can also be used to define restrictions on
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Nielsen Audio (previously
Arbitron) maintains smaller areas for
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offerings, and may also include other types of media such as
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List of television stations in North
America by media market
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content. They can coincide with or overlap with one or more
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deal primarily with North
America and do not represent a
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Geographic area with mostly the same set of media outlets
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See the 2017 map of
Nielsen Designated Market Areas at
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649:"Nielsen monopoly threatened in TV ratings field"
240:radio ratings are sometimes separated, as are
363:system still in use in the smaller markets).
57:The examples and perspective in this article
8:
327:. The term is used by the U.S. Government's
675:"Radio Measurement | Radio Audience"
443:"What Is a Media Market? (with pictures)"
374:. (There are some cases, such as that of
173:, which was completed in September 2013.
95:Learn how and when to remove this message
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280:to determine how to reach a specific
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311:Media Markets of the United States
137:can receive the same (or similar)
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704:FCC DTV coverage maps by location
627:Broadcasting & Cable Yearbook
329:Federal Communications Commission
637:– via World Radio History.
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394:ratings service in late 1993.
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368:digital television transition
161:, which are compiled in the
123:designated market area (DMA)
620:"Arbitron ADI Market Atlas"
468:"Nielsen Acquires Arbitron"
388:Chautauqua County, New York
333:Code of Federal Regulations
71:, discuss the issue on the
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709:Map of U.S. Radio Markets
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27:Not to be confused with
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167:Nielsen Media Research
133:is a region where the
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629:. 1994. p. C-123
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159:audience measurements
408:Arbitron Radio Metro
406:; each is called an
353:significantly viewed
77:create a new article
69:improve this article
546:on December 9, 2012
478:on January 17, 2019
325:television stations
195:Redding, California
729:Market (economics)
681:on August 13, 2012
655:. February 4, 1994
591:"ARB to be target"
567:"Nielsen 2017 Map"
447:Smart Capital Mind
384:Erie, Pennsylvania
345:"must-carry" rules
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256:between different
223:York, Pennsylvania
187:Hutchinson, Kansas
155:metropolitan areas
529:See the PDF's at
497:Medhurst, Jamie.
380:Buffalo, New York
270:psychographically
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659:February 8,
633:February 8,
550:January 11,
536:nielsen.com
472:nielsen.com
452:December 5,
372:translators
278:advertisers
250:researchers
203:Schenectady
29:Media Markt
718:Categories
429:References
301:See also:
297:Television
211:Harrisburg
147:newspapers
139:television
135:population
242:broadcast
219:Lancaster
178:geography
73:talk page
685:June 25,
482:March 3,
417:See also
341:FCC.gov.
282:audience
272:between
260:groups,
171:Arbitron
151:internet
67:You may
575:July 7,
519:FCC.gov
262:genders
238:FM band
234:AM band
228:In the
215:Lebanon
183:Wichita
274:income
266:ethnic
264:, and
209:; and
199:Albany
131:market
623:(PDF)
594:(PDF)
570:(PDF)
398:Radio
361:diary
335:, at
191:Chico
75:, or
687:2013
661:2021
635:2021
606:2021
577:2019
552:2013
506:2021
484:2018
454:2021
339:and
244:and
236:and
149:and
141:and
653:UPI
321:TMA
258:age
225:).
165:by
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