Geneva Frequency Plan of 1975

The Final Acts of the Regional Administrative LF/MF Broadcasting Conference (Regions 1 and 3) Geneva, 1975 is the internationally agreed frequency plan which was drawn up to implement the provisions of the Final Acts of the Regional Administrative LF/MF Broadcasting Conference (Regions 1 and 3) held in Geneva, Switzerland, in 1975. It covers radio broadcasting in the long- and medium-wave bands outside the Americas (a separate agreement being in place for North and South America).

Source: Wikipedia — Geneva Frequency Plan of 1975 (CC BY-SA 4.0)