Global InformationKZAI information
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| Broadcast area | Greater San Antonio |
| Frequency | 103.7 MHz (HD Radio) |
| Branding | Air1 |
| Programming | |
| Language(s) | English |
| Format | Christian worship music |
| Subchannels | HD2: K-Love HD3: Radio Nueva Vida |
| Affiliations | Air1 |
| Ownership | |
| Owner | Educational Media Foundation |
Sister stations | KZLV, KZAR |
| History | |
First air date | May 20, 1968[1] (as KCTA-FM in Sinton) June 7, 2021 (as KZAI in Balcones Heights) |
Former call signs | KCTA-FM (1967–1970) KOUL (1970–2013) KXAI (2013–2021) |
Call sign meaning | KZ - similar base call sign to in-market sister stations KZLV and KZAR AI - Air1 (the letter "I" looks like the number "1") |
| Technical information[2] | |
Licensing authority | FCC |
| Facility ID | 7084 |
| Class | A |
| ERP | 2,300 watts |
| HAAT | 119 meters (390 ft) |
Transmitter coordinates | 29°26′29.9″N 98°30′22.8″W / 29.441639°N 98.506333°W |
| Translator(s) | 92.7 K224EH (Victoria) |
| Links | |
Public license information |
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| Webcast | Listen Live Listen Live (HD2) |
| Website | air1.com klove.com nuevavida.com (HD3) |
KZAI (103.7 FM) is a radio station broadcasting a Christian Worship format through the nationally programmed Air1 network. The station is licensed to Balcones Heights, Texas, United States, and serves the San Antonio area. The transmitter is located in San Antonio proper, due north of downtown and adjacent to Interstate 10. KZAI is owned by the Educational Media Foundation.[3]
Originally a station in the Corpus Christi area, the station moved in 2021 as part of a facilities shuffle that moved a third EMF signal into San Antonio (alongside existing K-Love outlet KZLV and rimshot Air1 outlet KZAR). The former 103.7 facilities and KXAI call sign were moved to another license, leaving Air1 programming seamlessly available to Corpus Christi-area listeners.
- ^ "KCTA-FM" (PDF). Broadcasting Yearbook. 1970. p. B-204 (404). Retrieved February 2, 2020.
- ^ "Facility Technical Data for KZAI". Licensing and Management System. Federal Communications Commission.
- ^ "KOUL Country Flips to Christian Air1". All Access. May 6, 2013. Retrieved 2013-05-07.