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From Wikipedia, the free encyclopedia

WOI
Broadcast areaDes Moines metropolitan area
Frequency640 kHz
BrandingIowa Public Radio
Programming
FormatPublic radio - News - Talk
AffiliationsNational Public Radio
Public Radio International
BBC World Service
Ownership
OwnerIowa Public Radio, Inc.
WOI-FM
History
First air date
April 28, 1922; 101 years ago (1922-04-28)
Call sign meaning
The first three letters in "Iowa" backwards
Technical information
Facility ID29119
ClassB
Power
  • 5,000 watts day
  • 1,000 watts night
Transmitter coordinates
41°59′34″N 93°41′27″W / 41.99278°N 93.69083°W / 41.99278; -93.69083
Translator(s)104.7 K284CN (Ames)
Links
WebcastListen Live
Websiteiowapublicradio.org

WOI (640 kHz) – branded Iowa Public Radio – is a non-commercial AM radio station licensed to Ames, Iowa, and serving the Des Moines metropolitan area. Owned by Iowa Public Radio, it is a listener-supported public radio station airing a news and talk format. WOI 640 is the flagship station for Iowa Public Radio's News Network, affiliated with NPR, Public Radio International and the BBC World Service. The studios are in Iowa State University's Communications Building,

By day, WOI is powered at 5,000 watts using a non-directional antenna. But 640 AM is clear channel frequency reserved for Class A KFI Los Angeles. To avoid interference, WOI reduces power at night to 1,000 watts and uses a directional antenna with a two-tower array. The transmitter is off Zumwalt Station Road near Y Avenue, southwest of Ames.[1] Programming is also heard on 250-watt FM translator K284CN at 104.7 MHz.[2]

Historically, WOI is one of the oldest radio stations in the United States, having begun experimental transmissions in 1911.

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Transcription

History

Historical broadcasts

The history of WOI can be traced back to 1911. Iowa State physics professor "Dad" Hoffman installed a transmission line between the Campus Water Tower and the Engineering Building and set up a wireless telegraph station. By 1913, this was known as experimental station 9YI and it was sending and receiving weather reports by Morse code on a regular basis.

The first sound broadcast was an hour of concert music on November 21, 1921. The Commerce Department issued a full radio license for station WOI in April 1922. The first regular broadcast took place on April 28, 1922; 101 years ago (April 28, 1922). The original call sign 9YI is now W0YI and is retained by the ISU Campus Radio Club, with the amateur radio station in the Electrical Engineering building.

WOI may be the oldest fully licensed non-commercial station west of the Mississippi River. Another university radio station in Iowa, WSUI at the University of Iowa in Iowa City, also began telegraph transmissions in 1911 and also has claims to being the earliest educational station west of the Mississippi. Other Midwestern universities also started experimental stations in the 1910s: the University of Minnesota's KUOM in 1912, St. Louis University's WEW also in 1912 and the University of Wisconsin's WHA in 1915.

Farm reports and sports

The first regular programming on WOI was farm market reports gathered by ticker tape and Morse code, broadcast throughout the state. Another early staple was sporting events by Iowa State's athletic teams. In 1925, "The Music Shop" aired for the first time. One of the longest-running programs in the history of radio, it moved to WOI-FM in the 1970s before going off the air in 2006. In 1927. another longtime favorite, "The Book Club" was added; it also aired until 2006.

On December 1, 1949, Iowa State launched an FM sister station to WOI 640, WOI-FM at 90.1 MHz. WOI-TV was subsequently launched in 1950 as the first television station in central Iowa. It was also the first commercial TV station owned by an educational institution. It was affiliated with all four networks at the time: CBS, NBC, ABC and the Dumont Network. It became solely an ABC affiliate in 1955. WOI-TV was sold by the Iowa Board of Regents on March 1, 1994; the station is now owned by TEGNA.

NPR affiliate

WOI-AM-FM became a charter member of National Public Radio (NPR) when it began its regular schedule of afternoon news program All Things Considered in 1971.

Today WOI's programming consists of both NPR and locally produced talk shows along with local news reports and BBC news updates. The classical music of the early years migrated exclusively to 90.1 WOI-FM in the 1960s. When the radio services of Iowa's state universities were merged into Iowa Public Radio in 2004, WOI became the flagship of IPR's Operations and IT services.

Previous logo

FM translator

Broadcast translator for WOI
Call sign Frequency City of license FID ERP (W) HAAT Class Transmitter coordinates FCC info
K284CN 104.7 FM Ames, Iowa 144461 250 m (0 ft) D 42°1′53.1″N 93°39′4″W / 42.031417°N 93.65111°W / 42.031417; -93.65111 LMS

References

External links

This page was last edited on 12 March 2024, at 16:56
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