The foray proved successful and by the end of 1968 it became the full-time format.

They began playing disco music at night in 1978, soon adopting the format full-time and becoming "Disco 104".

By 1972, the station had made a transition to a full-time Top 40 format and began broadcasting in stereo.

The station has been playing country music since 1969 and as a full-time format since 1980.

In 1967, after dabbling with country music for the past three years, they took on the format full-time.

They are distinguished as the first full-time financial format of its kind in the U.S.

It was one of the first American commercial stations to play alternative rock as a full-time format.

The company made its first foray into satellite programming in the late 1980s by launching five different full-time satellite-delivered formats.

In the late 1970s, the station moved to a full-time Top 40 format and changed to the current frequency in order to add nighttime service.

These formats can range from legitimate mainstream formats to novelties that would never be seriously considered as a full-time format.