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|City||Fargo, North Dakota|
|Broadcast area||Fargo-Moorhead media market|
|Branding||970 WDAY AM and 93.1 FM|
|Frequency||970 AM ( kHz)|
|Translator(s)||93.1 K226CL (Fargo)|
|First air date||May 23, 1922|
Westwood One Network|
|Sister stations||WDAY-TV, WDAZ-TV|
WDAY (970 kHz "News-Talk 970 AM and 93.1 FM") is North Dakota's oldest radio station, having first signed on in 1922. WDAY is licensed to Fargo, North Dakota and is owned Forum Communications. Forum also owns ABC network affiliate WDAY-TV 6 and The Forum newspaper in Fargo. Forum Communications also owns ABC affiliate WDAZ-TV 8 in Grand Forks and several other newspapers and TV stations in North Dakota, Minnesota, South Dakota and Wisconsin.
The Forum bought 49 percent of the station in 1935 to become the largest shareholder, and bought the remaining 51 percent interest in 1958.
WDAY's power is 10,000 watts and it uses a three tower directional antenna to protect other stations on 970 kHz. On January 8, 1935, the U.S. Federal Communications Commission (FCC) approved increasing WDAY's power to 5000 watts.  In March 2013, the power was increased to 10,000 watts. WDAY's signal covers the eastern half of North Dakota, west central Minnesota, northeastern South Dakota, and southern Manitoba. The transmitter is near 210th Street South in Barnesville, Minnesota and the studios are on 8th Street South in Fargo. 
Most stations west of the Mississippi have call letters which begin with "K." However, WDAY was licensed before the U.S. government changed its assignment of call signs. Prior to 1923, call letters beginning with "W" were generally assigned to stations east of an irregular line forming the western borders of states from North Dakota south to Texas, with calls beginning with "K" going to stations in states west of that line. In 1923, the dividing line was shifted to the Mississippi River.
WDAY's FM translator at 93.1 FM signed on the air Thursday, July 20th 2017. 
970 WDAY AM and 93.1 FM features local talk shows weekdays hosted by Mike Kapel, Mike McFeely, Rob Port and Jay Thomas, as well as local news and weather updates and national news updates from ABC News Radio. WDAY radio also airs newscasts simulcast from WDAY-TV. Evenings and weekends feature live sports play-by-play and nationally syndicated programming. Shows include Dave Ramsey, Jim Bohannon, Red Eye Radio, Kim Komando, Gary Sullivan and Leo Laporte.
On May 30, 2011, a severe thunderstorm damaged WDAY's AM Radio tower system (which was located on Main Avenue in West Fargo, North Dakota). Of its three towers, one completely collapsed, the second snapped approximately two-thirds of the way up, and the third remained standing but severely mangled, knocking WDAY off the air. WDAY was able to get back on the air several days later with the remaining tower, using the full 5,000 watt non-directional signal during the day, but only 1,200 watts at night, as the two towers which were lost transmitted the directional 5,000 watt signal at night.The FCC granted WDAY a construction permit to make it a 10,000 watt full-time signal from its new transmitter, which began broadcasting at full power in March 2013. 
- "Increases in Day Power Are Given Six Stations" (PDF). Broadcasting. January 15, 1935. Retrieved 17 October 2014.
- WDAY website
- Query the FCC's AM station database for WDAY
- Radio-Locator Information on WDAY
- Query Nielsen Audio's AM station database for WDAY
- Query the FCC's FM station database for K226CL
- Radio-Locator information on K226CL
- FCC History Cards for WDAY