| Country | US |
|---|---|
| City | Vista West, Wyoming |
| Area | Casper, Wyoming |
| Branding | 107.9 Jack FM |
| Airdate | 1998 (at 107.7) |
| Frequency | 107.9 MHz |
| Format | Adult hits |
| Erp | 15,500 watts |
| Haat | 591 metres (1,939 ft) |
| Class | C1 |
| Facility id | 88406 |
| Former frequencies | 107.7 MHz (1998–2001) |
| Owner | Townsquare Media |
| Licensee | Townsquare License, LLC |
| Affiliations | Jack FM network |
| Sister stations | KKTL, KRNK, KTRS-FM, KTWO, KWYY |
| Webcast | Listen Live |
| Website | jackfmcasper.com |
| Licensing authority | FCC |
KRVK (107.9 FM) is a commercial radio station licensed to Vista West, Wyoming, broadcasting to the Casper, Wyoming area. KRVK airs an adult hits music format branded as "Jack FM". When the station first signed on in 1998, it was broadcasting on 107.7 FM. KRVK is owned and operated by Townsquare Media.