{{Infobox radio station
| name = KCYY
| image =
| image_size =
| alt =
| caption =
| city = [[San Antonio, Texas]]
| area = San Antonio, TX
| branding =
| slogan = Y 100
| frequency = 100.3 [[Megahertz|MHz]]
| translator =
| repeater =
| airdate = November 13, 1981
| last airdate =
| format = [[Hot Country]]
| language = English
| power =
| erp = 100 kW
| haat =
| class = C0
| facility_id = 48718
| coordinates = {{coord|29.5239|-98.7239|type:landmark_region:US_source:FCC|display=inline,title}}
| callsign_meaning =
| former_callsigns =
| former_frequencies =
| affiliations =
| operator =
| owner =
| licensee = CMG Ny/texas Radio, LLC
| sister_stations =
| webcast =
| website = [https://www.y100fm.com/] y100fm.com
}}

'''KCYY''' is an American ([[FM Broadcasting|FM]]) [[radio station]] licensed by the [[Federal Communications Commission|FCC]] to serve the community of [[San Antonio, Texas]] on the frequency of 100.3 [[Megahertz|MHz]] . The station license is assigned to CMG Ny/texas Radio, LLC. KCYY-FM) airs a [[Hot Country]] format.

The [[FCC]] first licensed this station to begin operations on November 13, 1981 using callsign KLLS.<ref name=fcchistory>{{cite web|url=https://licensing.fcc.gov/cgi-bin/prod/cdbs/forms/prod/getimportletter_exh.cgi?import_letter_id=79557|publisher=Federal Communications Commission|title=FCC History card for KZZY}}</ref>

The station has held the KCYY callsign since October 1, 1987.<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=48718&Callsign=KCYY |work=FCC Media Bureau CDBS Public Access Database}}</ref>
==Call signs used at this station==
{| class="wikitable"
|-
! As Of
! Call Sign
|-
|November 13, 1981|| KLLS ||
|-
|April 28, 1983|| KLLS-FM ||
|-
|October 1, 1987|| KCYY ||
|}
==References==
{{reflist}}
==External links==
* [https://www.y100fm.com/ y100fm.com] Official KCYY FM Website
* FCC Public Inspection File online [https://publicfiles.fcc.gov/fm-profile/kcyy]
* {{ FM station data|KCYY}}
{{-}}
[[Category:Radio stations in Texas]]
[[Category:Radio stations established in 1981]]
[[Category:1981 establishments in Texas]]
[[Category: Radio stations in the United States]]
{{ Texas-radio-station-stub}}