K107

K107 is not a widely recognized or established call sign for a specific radio station in the United States as of my knowledge cutoff in 2023. U.S. radio station call signs typically consist of four letters, starting with "K" for stations west of the Mississippi River or "W" for those to the east. It is possible that "K107" could refer to a branding or nickname used by a station rather than its official call sign. If you have additional context or details, I can help clarify further.