Even though the simulcast of KVIL AM and FM had already topped the DFW ratings (Oct/Nov 1976), that victory was made possible by the few tenths of a share that KVIL's AM added to the two stations' total. KVIL's first place finish in the fall of 1978 was by a full two shares, and even without the AM's numbers, KVIL-FM was still a solid number one. This marked the very first time in the market that the most listened-to radio station was on the FM band.
FM's success in Dallas/Fort Worth seemed to be an almost overnight occurrence. In the fall 1978 survey, the only AM stations remaining in the top 10 were the two 50,000 watt signals. Just four years before, there were only three FMs in the top 10. It was a rapid and resounding swing of listening habits. One example of FM's rise came in the country arena, where KSCS scored two top 5 finishes in '78 - 1978 was the last top 10 finish for its main competitor (and AM country stalwart) KBOX.
A new rock war was waging, as KZEW's main competition was re-born as KTXQ "Q102" at the beginning of the fall ratings period. Q102 wasted no time, debuting in the top 10 in the Fall book and beating The Zoo after just two months on the air.
The fall book also showed a tight race developing between KFJZ-FM "Z97" and a re-invigorated KNUS, which had slumped after Z97's debut. Unfortunately, KNUS's new life would be short-lived, and the fall appearance was its last in the top 10.
|12+ Ratings for April/May 1978|
|Call Letters||Frequency||Format||O/N 1977||A/M 1978|
|12+ Ratings for October/November 1978|
|Call Letters||Frequency||Format||A/M 1978||O/N 1978|
|* was KFWD until October 6.|
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