First licensed in 1980 as PE1EBF.
Upgraded to full licence in 1985 as PA3EBT and changed this callsign to PA7BT in 1998.
Changed the callsign to PB2T on 15 August 2003.

VERON HF Manager April 2000 – April 2001.
VERON Vice President April 2001 – April 2008.
IARU Region 1 EC member 2002 – 30 December 2008.
IARU Region 1 President 31 December 2008 – 30 October 2014.
EUDXF President August 2004 – August 2016.

YASME Foundation Director since February 2015.
IARU Satellite Advisor since 11 April 2016.
EUDXF Board Member since August 2016.
IARU Region 1 Secretary since 31 October 2017.