HAM since 1984 – member of SP5KVW/SO5O Radio Club
Operator of special event station:
- 1985 – 1991 – SP Ø BEM,
- 1985 - SP Ø ITU,
1987 – 1988 – leads the SP 5 PEN club station,
1989 – 1990 – leads the SP5KVW club station,
From 1985 – SP- Ø145-OS (SWL),
Since 1987 – SP5RMD,
1992 – VE7DZM,
Since March/27, 2010 – UN6QC
Ex Special Calls: UP65QC - 02.05.2010 - 23.05.2010
UP2011SJ - 29.01.2011 - 06.02.2011
UQ50G - 13.04.2011 - 31.12.2011
UQ6EPC - 01.06.2011 - 30.06.2011
From february 2013 - operator UP44WFF
