Channel 13 first signed on the air on September 17,1948 as KLAC-TV (standing for L os A ngeles, C alifornia), and adopted the moniker "Lucky 13".
Channel 13 first signed on the air on September 17,1948 as KMTR-TV. The station changed its call letters the following year to KLAC-TV (standing for L os A ngeles, C alifornia), and adopted the moniker "Lucky 13".