costello was program director at wrno-fm from 1976 to 1991 and also hosted the morning show as "michael in the morning" (m&m). additionally, he hosted the sunday night edition of "the rock 'n'roll hall of fame". he then acquired the former kleb-fm from the harold callais family which was a country music outlet in 1995 and flipped it to its current oldies format. the station is modeled after the original top 40 am station wtix, which was a very successful top 40 outlet in new orleans from the 1950s through the 1970s. he increased the transmitted power and moved the antenna from its original location to its present location in 1998 to better serve the new orleans metro area. mike costello also handles gm, pd, and also hosts the morning show. many of the jingles used on wtix-fm are the originals used by wtix/690 in the 1960s and 1970s. wtix-fm also adapts a time-honored feature from the old wtix: the "chime time", wherein a chime rang whenever jocks gave the time on the air. (coincidentally, "chime time" was also the staple of musicradio wabc in its heyday.)