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|---|---|
| Broadcast area | San Antonio metropolitan area |
| Frequency | 100.3MHz (HD Radio) |
| Branding | Y100 |
| Programming | |
| Language | English |
| Format | Country music |
| Subchannels | HD2:Classic country (KKYX) |
| Ownership | |
| Owner |
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| History | |
First air date | June 25, 1966 (1966-06-25) |
Former call signs |
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Call sign meaning | Country Y100 |
| Technical information[1] | |
Licensing authority | FCC |
| Facility ID | 48718 |
| Class | C0 |
| ERP | 100,000 watts |
| HAAT | 300 meters (980 ft) |
Transmitter coordinates | 29°31′25″N98°43′25″W / 29.52361°N 98.72361°W /29.52361; -98.72361 |
| Links | |
Public license information | |
| Webcast | Listen live Listen live (via Audacy) |
| Website | www |
KCYY (100.3FM) is acommercialradio station inSan Antonio, Texas. It is owned byCox Radio and airs acountry musicradio format.Studios and offices are on Datapoint Drive in San Antonio.[2]
KCYY has aneffective radiated power (ERP) of 100,000watts, the maximum for non-grandfathered FM stations. Thetransmitter site is nearFarm to Market Road 1560 and Galm Road in theFar West Side of San Antonio, nearGovernment Canyon State Natural Area.
On June 25, 1966, the stationsigned on as KBER-FM.[3] It was owned by Kepo Broadcasting and was the FM counterpart ofAM 1150 KBER (nowAM 1160KRDY). Because KBER AM was adaytime-only station, its country music programming continued on KBER-FM into the night.
In 1974, KBER-AM-FM were sold to Pacific Western Broadcasting. Thecall signs were changed to KQAM for the AM station and KSAQ for the FM station, also known as "Q-100." The twosimulcast aTop 40 format. In 1976, the AM station was sold to aSpanish-language broadcaster, while the FM station was sold to Radio Alamo. Radio Alamo switched the call letters to KZZY, initially keeping the Top 40 sound. But then it briefly tried a country format as KCCW. The country music lasted less than a year.
In 1981, Radio Alamo flipped the format toadult contemporary music.[4] Radio Alamo also acquiredAM 930 inTerrell Hills (nowKLUP) and simulcast both stations, as KLLS and KLLS-FM, "Class FM."[5]
In 1987, Newcity Communications acquired AM 680 and FM 100.3.[6]
680 KKYX had been owned by Swanson Communications, running a classic country format. So when it was paired with KLLS-FM, Newcity made the decision to also play country music on the FM, but a more contemporary version. The call sign was changed to KCYY, with the CY standing for Country and the additional Y as the moniker of the station, "Y100." San Antonio already had an FM country station that had been doing well in the ratings, 97.3KAJA, owned byClear Channel Communications, which also ownedAM 1200WOAI. Another country station was 107.5 KBUC-FM, but its ratings weren't a factor, and it eventually flipped toTejanoKXTN-FM.
Newcity thought there were enough country fans in San Antonio for two healthy FM country outlets. KCYY premiered by playing 10,000 songs in a row with no commercials. Backed by the commercial-free weeks and TV ads, KCYY became San Antonio's top country station in Spring 1988.[7] KCYY was also the top station in the 18- to 49-year-old demographic and the 25-54 demographic, according to theArbitron ratings.

Cox Radio acquired KCYY and KKYX in 1997.[8] Since the late 80s, Cox-owned 100.3 KCYY andiHeartMedia-owned 97.3 KAJA have see-sawed in the ratings, with both stations often in the top five in the San Antonio market.