KYSF
| Broadcast area | Klamath Falls-Altamont |
|---|---|
| Frequency | 97.5 MHz |
| Branding | Air1 |
| Programming | |
| Format | Christian worship |
| Affiliations | Air1 |
| Ownership | |
| Owner | Educational Media Foundation |
| History | |
First air date | 1999 |
Former call signs | KAQX (1996–1999) |
Former frequencies | 102.9 MHz (1999–2015) |
| Technical information | |
Licensing authority | FCC |
| Facility ID | 3462 |
| Class | C3 |
| ERP | 460 watts directional |
| HAAT | 642 meters (2106 feet) |
Transmitter coordinates | 42°05′48″N 121°37′57″W / 42.09667°N 121.63250°W |
| Links | |
Public license information | |
| Webcast | Listen Live |
| Website | https://www.air1.com air1.com] |
KYSF (97.5 FM, "Air1") is a radio station licensed to Bonanza, Oregon, United States. The station is owned by Educational Media Foundation.