The station was assigned the call sign KEJC on January 13, 1995. On September 16, 2004, the station changed its call sign to the current KBBU.3
"NAP CLOSES ON BUSTOS, LAUNCHES ADELANTE". Radio Ink. September 27, 2010. Archived from the original on December 13, 2013. https://web.archive.org/web/20131213052550/http://www.radioink.com/Article.asp?id=1966427&spid=30800 ↩
"KBBU Facility Record". United States Federal Communications Commission, audio division. https://www.fcc.gov/fcc-bin/fmq?call=KBBU ↩
"KBBU Call Sign History". United States Federal Communications Commission, audio division. https://licensing.fcc.gov/cgi-bin/ws.exe/prod/cdbs/pubacc/prod/call_hist.pl?Facility_id=43335&Callsign=KBBU ↩