It moved to the current 940 kHz frequency in 1942.

In 1950, the station changed from 1350 to its current 590 kHz frequency.

The station was assigned its current 1400 kHz frequency in 1941.

In previous years, the station has also broadcast on the frequencies of 1190 and 1160 kHz.

Canada has allowed individuals to apply for use in the 504 to 509 kHz frequency range.

However, the station originally broadcast on a frequency of 1400 kHz during its early years.

In 1928 it moved to the 570 kHz frequency.

It acquired the frequency of 954 kHz on April 27, 1987.

It broadcasts on the medium wave radio band, at a frequency of 900 kHz.

In 1948 the station moved to Omaha and to the 1110 kHz frequency.