1963 UR2-22865 SWL
1964 UR2KAE RADIO CLUB of TARTU OPERATOR
1964 UR2KAX OPERATOR
1967 UR2PZ
1969-1971 UR2PZ/UB5
1971 UK2RAE RADO CLUB OF TARTU CHIEF OPERATOR
1972 UR50C SPECIAL CALL CHIEF OPERATOR
1981 UR2-083-555 SWL
1982 UK2RBI OPERATOR
1983 UR2RPZ
1985 UR1RYO RADIO CLUB OF PÕLVA CHIEF OPERATOR
1988 UR1WT CHIEF OPERATOR
1989 UR3RC
1990 ES6RC
1990 ES1WT CHIEF OPERATOR
1991 ES1WA CHIEF OPERATOR
1991 ES6PZ
1991 ES6PZ/1
1991 SP/ES6PZ
1992 YL/ES9C CHIEF OPERATOR
1995 ES60L SPECIAL CALL
1996 ES96L SPECIAL CALL
1998 ES80L SPECIAL CALL
1999 ES75L SPECIAL CALL
2000 SM6/ES6PZ
2003 ES85L SPECIAL CALL