| Acronym | Definition |
|---|
| KARC➣Kansai Advanced Research Center (Japan) |
| KARC➣Koolau Amateur Radio Club |
| KARC➣Kalamazoo Amateur Radio Club (Kalamazoo, MI) |
| KARC➣Kennehoochee Amateur Radio Club |
| KARC➣Kansas Amateur Repeater Council |
| KARC➣Kansas Area Resource Center |