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City Cincinnati, Ohio
Broadcast area Greater Cincinnati
Branding Newsradio 700 WLW
Slogan The Big One
The Nation's Station
Frequency 700 kHz
(also on HD Radio)
Translator(s) 94.5 W233BG (Cincinnati, relaying WKFS-HD2)
First air date March 22, 1922 (experimental under calls 8CR 1921-1922)
Format News/talk
Power 50,000 watts
Class A
Facility ID 29733
Transmitter coordinates 39°21′11″N 84°19′30″W / 39.35306°N 84.32500°W / 39.35306; -84.32500
(main antenna)
39°21′11″N 84°19′44″W / 39.35306°N 84.32889°W / 39.35306; -84.32889 (auxiliary antenna)
Callsign meaning World's Largest Wireless[1]
Former callsigns 8CR (1921–1922)[2]
W8XAL (1924–1939)[3][4]
W8XO (experimental December 31, 1933; February 9, 1934 – May 1, 1939)[5][6]
WLWO (1939 – November 1, 1942)[7]
Former frequencies W8XAL/WLWO:
5.690 MHz (1924–1929)[3]
6.060 MHz (June 1929 – November 1, 1942)[8][9]
Affiliations ABC News Radio
Cincinnati Bengals Radio Network
Cincinnati Reds Radio Network
Owner iHeartMedia
(Citicasters Licenses, Inc.)
Sister stations WCKY, WEBN, WKFS, WKRC, WSAI
Webcast Listen Live
Website 700 WLW

WLW (700 AM), branded Newsradio 700 WLW, is a commercial news/talk radio station serving Greater Cincinnati. Owned by iHeartMedia, WLW is a 50,000-watt clear-channel station that covers much of the eastern half of North America at night. WLW serves as the Cincinnati affiliate for ABC News Radio and as a flagship station for the Cincinnati Bengals and Cincinnati Reds radio networks. It is also the home of radio personality Bill Cunningham, the WLW studios are located in Sycamore Township, while the station transmitter is located in Mason. Besides a standard analog transmission, WLW formerly broadcast a single HD radio channel, and is available online via iHeartRadio.[10]

The station also broadcasts in FM in the immediate Cincinnati area via both analog and digital forms; via W233BG (94.5), which relays the second HD Radio subchannel of WLW's sister station, WKFS.

WLW is a Primary entry point for the Emergency Alert System and is responsible for Activatons of the Southwest Ohio EAS plan.


Photograph of one of five new studios comprising the eighth floor of the new Crosley Radio Company building (1930)
Heading for a feature story about WLW's new studios, incorporating photographs of Joseph A. Chambers, technical supervisor and designer of the new facilities, and Powel Crosley, Jr., owner of WLW and WSAI (1930)
The Crosley Building in Camp Washington, Cincinnati, built in 1930, is listed on the National Register of Historic Places.

In July 1921, radio manufacturer Powel Crosley Jr. began tests from his 20-watt College Hill home "station", broadcasting "Song of India" continuously under the call sign 8CR.[2] Powell already owned a number of enterprises including the Crosmobile, and a refrigerator-freezer company, he owned the Cincinnati Reds baseball club from 1934 to 1961. Crosley was innovative, personally inventing, or funding the development of, many then–cutting edge technological advances related to his ventures, he placed these in the able hands of his younger brother (by two years) Lewis, who was a graduate engineer from the University of Cincinnati.

On March 22, 1922,[2] Crosley and his Crosley Broadcasting Corporation began operating a commercially licensed, 50-watt station, under its current call sign, WLW, for World's Largest Wireless.[1] Crosley was a fanatic about the new broadcasting technology, and continually increased his station's capability, the power increased to 500 watts in September 1922, and to 1,000 watts in May 1924. In January 1925, WLW was the first 5,000-watt broadcasting station, on October 4, 1928, the station increased its power to 50 kilowatts.[2] It was the first station at this power level, and now, since the 1938 US Senate adoption of the "Wheeler Resolution", that is the maximum power allowed for any AM station in the United States.

At 50 kilowatts, WLW was heard easily over a wide area from New York to Florida, but Crosley still was not satisfied.

In 1933 he obtained a construction permit from the Federal Radio Commission for a 500 kilowatt amplifier addition to his transmitter complex at the Mason, OH location; and he then spent some $500,000 ($9.45 million in 2018[11]) constructing the equipment and facilities for the new amplifier and installing a new 800 foot-tall antenna.

It is still the highest power transmitter ever used in the United States for public, domestic radio broadcasting and was in operation between 1934 and 1939, it was an experimental amplifier, driven by the radio station's regular 50 kW transmitter. It operated in class C with high-level plate modulation, the amplifier required a dedicated 33 kV electrical substation and a large cooling pond complete with spray fountains. It operated with a power input of about 750 kW (plus another 400 kW of audio for the modulator) and its output was 500 kW.

In January 1934, WLW began broadcasting at the 500 kilowatt level late at night under the experimental call sign W8XO; in April 1934 the station was authorized to operate at 500 kilowatts during regular hours under the WLW call letters. On May 2, 1934, President Franklin D. Roosevelt ceremoniously pressed the same golden telegraph key that Wilson had used to open the Panama Canal, officially launching WLW's 500-kilowatt signal.[12] As the first station in the world to broadcast at this strength, WLW received repeated complaints from around the United States and Canada that it was overpowering other stations as far away as Toronto, Ontario; in December 1934, WLW cut back to 50 kilowatts at night to mitigate the interference, and began construction of two shorter towers a quarter wavelength high, a half wavelength apart, and 1850 feet (560 m) southwest from the main tower. This adequately reduced the signal strength broadcast towards Canada, the two shorter towers were fed with trolly car wire 85 kW at 96 degrees out of phase with the signal to null in the opposite direction they were from the main Blaw-Knox tower. With these antenna towers in place, full-time broadcasting at 500 kilowatts resumed in early 1935. However, WLW was continuing to operate under special temporary authority that had to be renewed every six months; each renewal brought complaints about interference, and undue domination of the market, by such a high-power station. In 1938, the US Senate got into the radio consulting business, something Congress seems to have done periodically ever since, they passed the Wheeler Resolution, "asking" the FCC for an absolute limit of 50 kW. WLW's next renewal was denied, after a year of intense court battles, the station exhausted all appeals, and shut down the huge amplifiers, except for brief, experimental night periods as W8XO. Crosley noted, bitterly, that 50 kW wasn't that many more horsepower than a couple of speeding Buicks, it wouldn't even make coffee as far as he was concerned. The law, however, was the law,[13] this in effect brought an end to the era of the AM radio superstation.[14] Because of the impending war, and the possible need for national broadcasting in an emergency, the W8XO experimental license for 500 kilowatts remained in effect until December 29, 1942. "Experimental" W8XO actually did some serious work, greatly improving RCA 1's power and reliability. By the end of World War II, the beast could easily make a megawatt if it had to, and it "loafed along" at 600 kW;[15] in 1962 the Crosley Broadcasting Corporation again applied for a permit to operate at 750 kilowatts, but the FCC denied the application.

Many reports have surfaced over the years, from those who lived near the 500 kilowatt transmitter, of power fluctuations. Residents would see their lights flicker in time to the modulation peaks of the transmitter, it was widely reported that the signal was so overpowering some people picked up WLW radio on the metal coils of mattress and boxed bedsprings,[16] similar to KDKA in Pittsburgh, Pennsylvania. Arcing often occurred near the transmission site.[17]

In the 1930s, WLW occupied the entire 48th floor of Carew Tower; in 1942, the station moved its studios into the Crosley Square building, a converted Elks Lodge No. 5 in downtown Cincinnati.[18] WLW's sister television station, WLWT (then branded WLW-T), was founded in the same building; in 1955, WLW and WLWT became the first radio and television station to own a weather radar.[19]

Crosley sold the station to the Aviation Corporation of the Americas (Avco) in 1945, earning a handsome return on his original investment of a quarter-century earlier. However, the Crosley name was so well respected that Avco retained it for its broadcast division until 1968.

A major promotion of the station in the 1940s was the Boone County Jamboree. An ad in the trade publication Billboard in 1942 noted: "WLW Boone County Jamboree acts played to 169,406 persons, July 4 to October 4. An all time record–63 bookings in seven States. New attendance records established at 14 events."[20]

From the 1950s until the 1970s, broadcasts for WLW were moved across Elm street to the COMEX building, where people could watch radio broadcasts from the sidewalk through plate glass windows.[21]

Avco began exiting broadcasting in 1975. WLW was one of the last properties to be sold in 1976, from that point until the 1990s, WLW had different owners, including Queen City Communications, Mariner Communications, Seven Hills Broadcasting and Jacor Communications, before Jacor merged with Clear Channel Communications (now known as iHeartMedia).

From the late 1970s to 1989, WLW's studios were located downtown at 3 East 4th Street, now the site of the National City Bank (now PNC) Tower in downtown Cincinnati, from 1989 to 2005, WLW was located in Mt. Adams, a trendy neighborhood overlooking downtown. The address remained 1111 St. Gregory Street. WLW was originally on the fourth floor, where it shared studios with sister station WEBN; in 1992, as Jacor started to consolidate stations, the fifth floor was taken over by the human resources and traffic departments, along with new studios for 550 WLWA, formerly WKRC. In 1995, Jacor moved all of its stations into the Mt. Adams facility leasing the entire building.

Along with other Clear Channel talk stations, WLW switched from ABC News Radio to Fox News Radio.[22] However, on June 26, 2006, a realignment of network affiliations by Clear Channel's Cincinnati AM stations reunited WLW with ABC News Radio. (WKRC picked up Fox News Radio,[citation needed] while WCKY took CBS Radio.)[23] Not included in the rearrangement was ABC Radio commentator Paul Harvey. WLW continued to carry Harvey's commentaries through all the changes, although after extended absences, Harvey was dropped by WLW in April 2008.

"The Nation's Station"[edit]

WLW's diamond-shaped Blaw-Knox radio tower

WLW currently broadcasts using 50,000 watts of power, the maximum allowed for an AM clear channel broadcaster under current FCC rules.

The high power broadcasts led WLW to call itself "The Nation's Station". WLW formerly broadcast using the HD-Radio digital system. Like other stations owned by iHeartMedia, WLW uses the iHeartRadio platform to stream its webcast, for a time in the early 1960s, WLW called itself the world's highest fidelity radio station.

After sundown, the 50 kW signal can be heard across much of the eastern half of the United States and Canada. It is believed WLW can be heard, regularly, in at least 38 U.S. states at night,[24] and the station refers to this in some advertising. Its daytime signal can be heard at city-grade strength as far north as Columbus, as far west as the Indianapolis suburbs, and as far south as Richmond, Kentucky, it provides at least secondary coverage to most of Ohio and Indiana, and much of northern and central Kentucky. Under the right conditions, it can be picked up as far away as Cleveland and Chicago.

In 1985 overnight host Dale Sommers received a call from Hawaii on his overnight program.

The station's first 50 kW transmitter, made by Western Electric, is still functional at 83 years of age and sees occasional service, including on December 31, 1999, when it was powered up and helped to bring WLW into the new year on January 1, 2000.[2] The chief engineer checked everything over, replaced one bad tube, and brought up the 80-year-old Western Electric. Fed through WLW's Orban audio processor, it sounded great, the station went out on it from 10:45 PM local time to 12:15 AM in the new year. The news announcers found this out, and talked it up, it was also noted how much more quietly water-cooled transmitters operate than new ones with air blowers. [25] The station's unusual diamond-shaped antenna (designed and erected by Blaw-Knox Tower company) is one of eight still operational in the United States (the second to be built after WSM's) and is featured on the official seal of the City of Mason.

Although Crosley also owned the Cincinnati Reds along with WLW from 1934 to 1945, WLW didn't become the Reds' flagship station until 1969, a status it has retained ever since, over the years, WLW has also been the flagship for Cincinnati Bengals football, University of Cincinnati football and basketball, Xavier University basketball, and the games of the Cincinnati Royals (now the Sacramento Kings) of the National Basketball Association.

In 2013, the Cincinnati Enquirer announced that WLW had purchased an FM translator from the Northern Kentucky University for an FM simulcast, and moved it to Port Union, Ohio.[26] The station is W233BG on 94.5, operating at 120 watts. This would later be moved to Cincinnati, drop power to 99 watts, and switch to repeating WKFS-HD2.

XM Radio simulcast[edit]

From March 1, 2006 to March 6, 2009 WLW was simulcast live on XM Satellite Radio channel 173, this delay-free broadcast gave the station a signal that reached the continental United States. Excluded from the simulcast was Cincinnati Bengals play-by-play coverage, as the station did not own the rights to broadcast nationally. However, college sport play-by-play from the Xavier Musketeers and the Cincinnati Bearcats was broadcast on XM, as were Cincinnati Reds games (as XM had purchased the rights to Major League Baseball separately), the station was placed on the satellites by then Clear Channel programming executive Sean Compton (brother of WLW overnight personality Steve Sommers, whose program continues to be broadcast on the platform), who claimed WLW was his favorite radio station. Compton left the company in 2008 for the Tribune Company, and shortly after WLW was dropped from XM.

Former on-air staff[edit]

The station claims many well-known alumni, including: Jack Berch,[27] Mary Jane Croft,[28] Merle Travis, Doris Day, Rosemary Clooney, Ruth Lyons, Bob Braun, Wally Phillips, Jean Shepherd, NBC sportscasters Cris Collinsworth and Al Michaels, "Sportstalk" host Bob Trumpy, Dale Sommers (better known as the "Truckin' Bozo" and whose son Steve Sommers continues to hold the overnight slot to the present day), J. R. Gach, Gary Burbank (comedy talk host, impressionist, and creator of the nationally syndicated Earl Pitts monologues) and former Clear Channel radio CEO Randy Michaels. Rod Serling, the creator of the classic TV series The Twilight Zone, worked for WLW from 1947 to 1948[29] producing historical documentaries, community profiles and commercials, before leaving to pursue other opportunities in the broadcasting industry. Bill Nimmo, who later served as Johnny Carson's sidekick on the show Who Do You Trust? and its predecessor Do You Trust Your Wife?, also worked at WLW beginning in 1947.

Current programming[edit]

WLW airs a nearly entirely locally produced talk format, and is the flagship station for Live on Sunday Night with Bill Cunningham. Cunningham also hosts a weekday program on the station.[30] Live on Sunday Night with Bill Cunningham is syndicated by Premiere Networks. Other notable personalities on the station include morning host Mike McConnell, afternoon hosts Eddie Fingers and Rocky Boiman, and evening host Gary Jeff Walker.

WLW is the flagship radio station for the Cincinnati Reds Radio Network and a co-flagship station for the Cincinnati Bengals football team, the station also broadcasts Cincinnati Bearcats and Xavier Musketeers games. WLW has a 24-hour local news department and is affiliated with ABC News Radio, until 2015, WLW was also associated with Raycom Media's WXIX-TV.[31] WLW was also affiliated with Paul Harvey until May 2008.


  1. ^ a b McNutt, Randy (2007). The Cincinnati Sound. Mount Pleasant, South Carolina: Arcadia Publishing. pp. 8–9. ISBN 978-0-7385-5076-3. 
  2. ^ a b c d e Kiesewetter, John (2002-03-17). "WLW 700 turns 80". The Cincinnati Enquirer. Retrieved 2009-02-01. 
  3. ^ a b Berg 2008, p. 26.
  4. ^ Martini, Michael A. Cincinnati Radio. Mount Pleasant, South Carolina: Arcadia Publishing. p. 104. ISBN 978-0-7385-8864-3. 
  5. ^ McClure 2006, p. 268.
  6. ^ Federal Communications Commission Reports, July 1, 1938–February 28, 1939. 6. Federal Communications Commission. 1940. p. 798. 
  7. ^ Berg 1999, p. 108.
  8. ^ Berg 2013, p. 71.
  9. ^ Berg 2013, p. 182.
  10. ^ "HD Radio station guide for Cincinnati, OH". Hdradio.com. Retrieved 2016-01-12. 
  11. ^ Federal Reserve Bank of Minneapolis Community Development Project. "Consumer Price Index (estimate) 1800–". Federal Reserve Bank of Minneapolis. Retrieved January 2, 2018. 
  12. ^ Fybush, Scott (2002-01-09). "The Big One: Cincinnati's Legendary WLW". Fybush.com. Retrieved 2009-02-01. 
  13. ^ http://www.ominous-valve.com/wlw.html
  14. ^ "Decision and Order in Re Application of the Crosley Radio Corporation (WLW) for Extension of Special Temporary Experimental Authorization" (PDF). Federal Communications Commission. 1935-01-25. Retrieved 2014-10-09. 
  15. ^ http://www.ominous-valve.com/wlw.html
  16. ^ Price, John (1979). "The Nation's Station". History of WLW, Cincinnati. Retrieved 2009-02-01. 
  17. ^ Reiman, Dick (1999-12-17). "History of Station WLW's 500kW Transmitter". Retrieved 2009-02-01. 
  18. ^ Kiesewetter, John (1999-06-06). "This is Crosley Square … Signing off". The Cincinnati Enquirer. Retrieved 2009-01-31. 
  19. ^ "WLW Radio & Television". Cincinnativiews. 2008-10-03. Retrieved 2009-01-31. 
  20. ^ "(WLW advertisement)" (PDF). Billboard. January 17, 1942. Retrieved 4 February 2015. 
  21. ^ Kiesewetter, John (7 March 2016). "Remembering WLW's Old COMEX Building". Retrieved 11 December 2016. 
  22. ^ Bird, Rick (2005-08-05). "WLW Switches to Fox Radio News". The Cincinnati Post. Retrieved 2009-02-02. 
  23. ^ "WLW Comes Home To ABC News". Radio Monitor. 2006-06-27. Retrieved 2009-02-02. 
  24. ^ Kiesewetter, John (2001-02-16). "WLW host used racial slur". The Cincinnati Enquirer. Retrieved 2009-02-03. 
  25. ^ http://www.ominous-valve.com/wlw.html
  26. ^ "Report: WLW Adds FM Translator Simulcast". AllAccess.com. 2013-01-23. Retrieved 2016-01-12. 
  27. ^ Grunwald, Edgar A., Ed. (1940). Variety Radio Directory 1940-1941. Variety, Inc. P. 877.
  28. ^ "Meet Voice Of Cleo, the Talking Dog". The Corpus Christi Caller-Times. December 29, 1957. p. 53. Retrieved March 24, 2015 – via Newspapers.com.  open access publication – free to read
  29. ^ "Serling, Rod" Contemporary Authors Online, Gale, 2010. Document Number: H1000089528
  30. ^ 700 WLW On-Air Schedule 700wlw.iheart.com. Accessed 11 December 2016.
  31. ^ "Fox 19 Gets WEBN Fireworks, WLW Weather Deal". 31 March 2010. Archived from the original on 3 April 2010. 

Further reading[edit]

External links[edit]