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For the former WDFM station in State College, PA, please refer to WPSU (FM)
WDFM Mix98.1 logo.png
City Defiance, Ohio
Broadcast area Defiance, Ohio
Branding Mix 98.1
Slogan Today's Variety
Frequency 98.1 MHz
First air date 1985
Format Adult Contemporary
Christmas music (Nov.-Dec.)
ERP 50,000 watts
HAAT 152 meters (499 ft)
Class B
Facility ID 73393
Transmitter coordinates 41°17′28.00″N 84°32′17.00″W / 41.2911111°N 84.5380556°W / 41.2911111; -84.5380556
Owner iHeartMedia, Inc.
(Citicasters Licenses, Inc.)
Webcast Listen Live
Website mix981fm.iheart.com

WDFM is an FM radio station located in Defiance, Ohio. The station operates on the FM radio frequency of 98.1 MHz. The station is owned and operated by iHeartMedia, Inc., who purchased it from Lankenau-Small Media in 1999. It has a broadcast tower in Sherwood, Ohio.

WDFM formerly operated an on-channel booster station in Fort Wayne, Indiana, but did not rebuild it after a winter storm toppled the booster station's tower. The main WDFM signal reaches much of Fort Wayne, but the station does not target that region. During certain conditions, the station can be received in the metro Detroit area.


Currently, it broadcasts an adult contemporary radio format as Mix 98.1, Today's Variety. The station also plays all 1980s music on weekends. The station switched from iHeartMedia, Inc.'s Hot AC format to mainstream AC in September 2014, following sister station WNDH's format change to Classic Hits. Prior to its rebranding in 1999, WDFM was of the AC Hot 30 format, and prior to that and back to its sign-on in 1985, the station played easy listening music.


WDFM also operates a low power television station WDFM-LP channel 26. When owned by Lankenau-Small Media, they experimented with some syndicated programming, with a community bulletin board airing when no programming is scheduled. It is now the only television station still owned by iHeartMedia and is considered a side business of WDFM radio.

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