Prior to being acquired by the Ventura County Community College District, it had broadcast religious and J-pop formats.
[3] On November 6, 2007, the church transferred the license to Conejo Radio Ministries, who started broadcasting soon after.
KOXC-LP in Oxnard then had an extended coverage area until November 2021, when KNJR-LP returned to the air to simulcast KBUU HD3, branded as J1 HD.
On March 1, 2023, Conejo Radio Ministries filed to transfer KNJR-LP's license to Ventura County Community College District.
Ahead of the acquisition, J1 announced that it would vacate the frequency and work cooperatively to transition listeners to its webcast and KBUU-HD3, where J1 continues to broadcast.