{{Infobox radio station
| name = K279DF
| image =
| image_size =
| alt =
| caption =
| city = [[Rapid City, South Dakota]]
| area = Rapid City, SD
| branding =
| slogan =
| frequency = 103.7 [[Megahertz|MHz]]
| translator =
| repeater =
| airdate = August 8, 1985
| last airdate =
| format = [[Mainstream Rock]]
| language = English
| power =
| erp = 250 watts
| haat =
| class = D
| facility_id = 17677
| coordinates = {{coord|44.0689|-103.2514|type:landmark_region:US_source:FCC|display=inline,title}}
| callsign_meaning =
| former_callsigns =
| former_frequencies =
| affiliations =
| operator =
| owner =
| licensee = Riverfront Broadcasting, LLC
| sister_stations =
| webcast =
| website = [https://www.xrock.fm/] xrock.fm
}}

'''K279DF''' is an American ([[FM Translator|FM translator]]) [[radio station]] licensed by the [[Federal Communications Commission|FCC]] to serve the community of [[Rapid City, South Dakota]] on the frequency of 103.7 [[Megahertz|MHz]] . The station license is assigned to Riverfront Broadcasting, LLC. K279DF-FX) airs a [[Mainstream Rock]] format.

The [[FCC]] first licensed this station to begin operations on August 8, 1985 using callsign K276-CQ.

The station has held the K279DF callsign since August 10, 1999.<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=17677&Callsign=K279DF |work=FCC Media Bureau CDBS Public Access Database}}</ref>
==Call signs used at this station==
{| class="wikitable"
|-
! As Of
! Call Sign
|-
|August 8, 1985|| K276CQ ||
|-
|April 21, 1987|| DK276CQ ||
|-
|August 10, 1999|| K276CQ ||
|-
|August 10, 1999|| K278AN ||
|}
==References==
{{reflist}}
==External links==
* [https://www.xrock.fm/ xrock.fm] Official K279DF Website
* FCC Public Inspection File online [https://publicfiles.fcc.gov/fm-profile/k279df]
* {{ FX station data|K279DF}}
{{-}}
[[Category:Radio stations in South Dakota]]
[[Category:Radio stations established in 1985]]
[[Category:1985 establishments in South Dakota]]
[[Category: Radio stations in the United States]]
{{ SouthDakota-radio-station-stub}}