|  | WORLD WINNERS Single operator – 20 м | 
|  | 1978 | 1980 | 1982 | 1983 | 1985 | 1986 | 1987 | 1988 | 1989 | 1995 | 1996 | 1997 | 1998 | 1999 | 
| CW |  |  |  |  |  |  |  | RB5GW | UA0KBZ | UA9MMD | UA9FMZ | VK2APK | RW1ZM | UA9LAC | 
| PHONE |  |  |  |  |  |  |  | RB5LL | IK2BTI | YT5OBB | RX9YF | K2ABC | RV9AZ | RU6LA | 
| MIX | HB9BKMUR2QD | YU1OFTUA9AKJ | YU1KQUA6HFO | Y57WGUA6AZA | UA1DZ | UA9MA | UA9YI | I2UIY | 4N2V | UR5WCW | UR5ECW | YT1DZ | 9A5W | DJ7AA | 
      |  | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 
| CW | RU0SN | RU9LA | LZ4UU | UN6LN | RZ9AN | RU9LA | RV9JE | 9A5W | 
| PHONE | 4N1MA | RA9MJ | RA9AU | ER1MF | RA9AU | UR4MRD | SP4XQN | RZ1ZZ | 
| MIX | 9A5W | EO3Q | RA9DZ | TA2ZF | RA0BA | UA9TQ | 9A3B | RV9JE |