{{Infobox radio station
| name = WDEF
| image =
| image_size =
| alt =
| caption =
| city = [[Chattanooga, Tennessee]]
| area = Chattanooga, TN
| branding =
| slogan = Sunny 92.3
| frequency = 92.3 [[Megahertz|MHz]]
| translator =
| repeater =
| airdate = March 11, 1965
| last airdate =
| format = [[At Work Music]]
| language = English
| power =
| erp = 100 kW
| haat =
| class = C0
| facility_id = 57827
| coordinates = {{coord|35.1350|-85.3236|type:landmark_region:US_source:FCC|display=inline,title}}
| callsign_meaning =
| former_callsigns =
| former_frequencies =
| affiliations =
| operator =
| owner =
| licensee = Jackson Telecasters, Inc
| sister_stations =
| webcast =
| website = [https://www.sunny923.com/] sunny923.com
}}

'''WDEF''' is an American ([[FM Broadcasting|FM]]) [[radio station]] licensed by the [[Federal Communications Commission|FCC]] to serve the community of [[Chattanooga, Tennessee]] on the frequency of 92.3 [[Megahertz|MHz]] . The station license is assigned to Jackson Telecasters, Inc. WDEF-FM) airs a [[At Work Music]] format.

The [[FCC]] first licensed this station to begin operations on March 11, 1965 using callsign WDEF-FM.<ref name=fcchistory>{{cite web|url=https://licensing.fcc.gov/cgi-bin/prod/cdbs/forms/prod/getimportletter_exh.cgi?import_letter_id=80581|publisher=Federal Communications Commission|title=FCC History card for WDEF-FM}}</ref>

The station has held the WDEF callsign since August 8, 1979.<ref name="fcccsh">{{cite web |title=Call Sign History|url= http://licensing.fcc.gov/cgi-bin/ws.exe/prod/cdbs/pubacc/prod/call_hist.pl?Facility_id=57827&Callsign=WDEF |work=FCC Media Bureau CDBS Public Access Database}}</ref>
==Stations that have used the WDEF CallSign==
{| class="wikitable"
|-
! Current Call Sign
! City, State
! Frequency
|-
| [[WDEF]] || [[ Chattanooga, TN]] ||align=right|
|-
| [[WXCT]] || [[ Chattanooga, TN]] ||align=right| 1370 kHz
|-
| [[WXCT]] || [[ Chattanooga, TN]] ||align=right| 1370 kHz
|}
==Call signs used at this station==
{| class="wikitable"
|-
! As Of
! Call Sign
|-
||| WDEFFM ||
|-
|August 8, 1979|| WDEF-FM ||
|}
==References==
{{reflist}}
==External links==
* [https://www.sunny923.com/ sunny923.com] Official WDEF FM Website
* FCC Public Inspection File online [https://publicfiles.fcc.gov/fm-profile/wdef-fm]
* {{ FM station data|WDEF}}
{{-}}
[[Category:Radio stations in Tennessee]]
[[Category:Radio stations established in 1965]]
[[Category:1965 establishments in Tennessee]]
[[Category: Radio stations in the United States]]
{{ Tennessee-radio-station-stub}}