KJAC
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|---|---|
| Broadcast area | Fort Collins-Greeley, Colorado Denver, Colorado | 
| Frequency | 105.5 MHz (HD Radio) | 
| Branding | 105.5 The Colorado Sound | 
| Programming | |
| Format | Adult album alternative (AAA) | 
| Ownership | |
| Owner | Community Radio for Northern Colorado | 
| KUNC | |
| History | |
| First air date | 1989 (as KIMX) | 
| Former call signs | KLWG (1987–1988, CP) KIMX (1988–2003) KKHI-FM (2003–2004) | 
| Call sign meaning | Station previously broadcast the Jack FM format | 
| Technical information | |
| Licensing authority | FCC | 
| Facility ID | 38345 | 
| Class | C1 | 
| ERP | 50,000 watts | 
| HAAT | 397 meters | 
| Transmitter coordinates | 40°37′3″N 105°19′39″W / 40.61750°N 105.32750°W | 
| Translator(s) | 88.9 K205FZ (Steamboat Springs) 94.3 K232AC (Breckenridge) | 
| Repeater(s) | 105.5 KJAC-FM1 (Boulder) | 
| Links | |
| Public license information  | |
| Website | coloradosound.org | 
KJAC is a non-commercial public radio station located in Timnath, Colorado, broadcasting to the Fort Collins-Denver, Colorado area on 105.5 FM.