"Multipliers are only YU-YT prefixes now." Please beware that AD1C CTY list still attaches 4N to Serbia and 10 wrong prefixes exist in N1MM Logger YUDX.SEC YU8 is an ordinary Serbian prefix wrongly assigned to Kosovo which is now only Z6. This contest started in 1960's as Yugoslav single op competition and returned to redux roots J LP MMM S56A, N1YU