KTSL
| Broadcast area | Spokane metropolitan area | 
|---|---|
| Frequency | 101.9 MHz | 
| Branding | Air1 | 
| Programming | |
| Format | Christian worship | 
| Affiliations | Air1 | 
| Ownership | |
| Owner | Educational Media Foundation | 
| History | |
| First air date | March 7, 1989 (as KAAR at 95.3) | 
| Former call signs | KAAR (1988–1992) | 
| Former frequencies | 95.3 MHz (1989–1994) | 
| Technical information | |
| Licensing authority | FCC | 
| Facility ID | 63869 | 
| Class | C2 | 
| ERP | 28,500 watts | 
| HAAT | 198 meters (650 ft) | 
| Transmitter coordinates | 47°42′11″N 117°44′26″W / 47.70306°N 117.74056°W | 
| Links | |
| Public license information  | |
| Webcast | Listen Live | 
| Website | air1.com | 
KTSL (101.9 FM) is an Air1 network affiliate radio station broadcasting a Christian worship format. Licensed to Medical Lake, Washington, the station serves the Spokane metropolitan area. KTSL is owned by Educational Media Foundation.