WTMJ (AM)

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For the television station, see WTMJ-TV
WTMJ
Broadcast area Milwaukee, Wisconsin
Branding "Newsradio 620"
First air date May 1922
Frequency 620 (kHz)
Format News/Talk
ERP 50,000 watts day, 10,000 watts night,
Class B
Callsign meaning The Milwaukee Journal (owner)
Owner Journal Communications
Website www.620wtmj.com

WTMJ is an AM radio station that reaches much of Wisconsin as well as parts of northern Illinois and Indiana. WTMJ broadcasts on 620 AM. Today, it is a 50,000-watt news/talk/sports station and one of America’s largest and most successful radio stations. It is owned by Journal Broadcast Group, which also owns the Milwaukee Journal Sentinel and sister station WKTI-FM.

[edit] History

In May 1922, The Milwaukee Journal sponsored its first radio program on Milwaukee's first radio station, WAAK, which was owned by the Gimbel Bros. Department Store. In April 1927, The Milwaukee Journal bought the radio station WKAF and built a new transmitter tower in Brookfield, Wisconsin. Then in June 1927, The FCC assigned the call letters WTMJ, to stand for The Milwaukee Journal.

On July 25, 1927, WTMJ Radio went on the air at 1020 AM as a way to sell newspapers. WTMJ's first broadcast featured music by the WTMJ Orchestra and included a remote broadcast featuring Bill Carlsen's orchestra. Carlsen was later hired by WTMJ and went on to become Wisconsin's most widely known radio and television weather forecaster.

In 1928, The FCC reassigned WTMJ to 620 AM. Some customers began encountering interference from other radio stations that shared close frequencies in other parts of the country. Engineers solved the problem by developing directional radio signals, a system that is still being used throughout the nation. In the daytime, WTMJ broadcasts omnidirectionally at 50,000 watts, but dials back to 10,000 watts after nightfall and broadcasts away from the Chicago metropolitan area.

WTMJ aired a full service MOR format for most of its lifetime, which meant a mixture of news, music and talk shows. WTMJ has long had a heavy sports presence, and has been the flagship station for Green Bay Packers, Milwaukee Bucks and Milwaukee Brewers games for most of the teams' histories. Because of this, most of the station's sports personalities are not encouraged to have negative on-air conversations about these area teams, They are also the Milwaukee affiliate for University of Wisconsin football. Around 1990, WTMJ, like many other AM full-service stations, shifted solely to news/talk. WTMJ is one of the few major AM stations to feature mostly local hosts, including Charlie Sykes, Jonathan Green and Jeff Wagner. The station does have a few syndicated personalities like Michael Savage and Laura Ingram, though both shows air in the after-midnight hours. Consumer advocate Clark Howard's program airs for an hour on weekdays between Wagner and Green, with the other ten hours of the show during the week airing during weekend evenings. Some of WTMJ's talk programming reflects the conservative values of the station's core audience, though humor, lifestyle and sports talk continue to retain a strong presence on the station.

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AM radio stations in the Milwaukee market (Arbitron #36)
By frequency:

540 | 560 | 620 | 670 | 720 | 780 | 890 | 920 | 1000 | 1050 | 1130 | 1250 | 1290 | 1340 | 1400 | 1460 | 1470 | 1510 | 1540 | 1560 | 1640

By callsign:

WAUK | WBBM | WBJX | WBKV | WGLB | WGN | WIND | WISN | WJYI | WKSH | WLIP | WLS | WMCS | WMVP | WNOV | WOKY | WRJN WRRD | WSCR | WSSP | WTKM | WTMJ

See also: Milwaukee (FM) (AM)

Wisconsin Radio Markets
Milwaukee-Racine (AM) (FM) · Madison · Appleton-Oshkosh · Wausau-Stevens Point · Green Bay (AM) (FM) · La Crosse · Eau Claire · Sheboygan
See also: List of radio stations in Wisconsin and List of United States radio markets