WDEO (AM)
| Broadcast area | (Daytime) (Nighttime) | 
|---|---|
| Frequency | 990 kHz | 
| Branding | Ave Maria Radio | 
| Programming | |
| Format | Religious; Catholic-based talk/sermons | 
| Ownership | |
| Owner | Ave Maria Media Services | 
| History | |
| First air date | November 16, 1962 | 
| Former call signs | WYNZ (1962–1974) WYFC (1974-1986) WWCM (1986-1999) | 
| Technical information | |
| Licensing authority | FCC | 
| Class | B | 
| Power | 9,200 watts (Daytime) 250 watts (Nighttime) | 
| Transmitter coordinates | 42°15′53″N 83°36′47″W / 42.26472°N 83.61306°W (day) 42°15′55″N 83°46′42″W / 42.26528°N 83.77833°W (night) | 
| Translator(s) | W288DW (105.5 MHz, Southfield) 107.9 MHz W300CO (Dexter) | 
| Links | |
| Public license information  | |
| Webcast | |
| Website | http://www.avemariaradio.net/ | 
WDEO is a radio station broadcasting on 990 kilohertz in Ypsilanti, Michigan. Broadcasting Catholic programming, WDEO is operated by Ave Maria Radio.
Most programming is locally produced, but some daytime content comes from the EWTN Global Catholic Radio Network.