- 2003 balun 03 01
- 2003 balun 03 02
- 2003 Leistungskoppler 01
- 2003 OY DK4ARL 01
- 2003 OY DK4ARL 02
- 2003 OY DK4ARL 03
- 2003 OY DK4ARL 04
- 2003 TF DK4ARL 01
- 2003 TF DK4ARL 02
- 2003 Tramp 08
- 2003 Tramp 09
- 2004 40m Traps 04 001
- 2004 40m Traps 04 002
- 2004 Fieldday 01
- 2004 GPS patch ant 001
- 2004 GPS patch ant 002
- 2004 NWA 04 001
- 2004 NWA 04 002
- 2004 NZ DK4ARL 01
- 2004 NZ DK4ARL 02
- 2004 NZ WAG
- 2004 speakycounter
- 2004 Trampcounter 01
- 2005 DK4ARL P 20m 02
- 2005 LX CQWWDX 01
- 2005 LX CQWWDX 02
- 2005 Spatz20 001
- 2005 Spatz20 008
- 2005 Spatz20 024
- 2006 DK4ARL at work
- 2006 Synthi2DDS 001
- 2006 synthi2DDS v2 001
- 2006 synthi2DDS v2 004
- 2006 synthi2DDS v2 008
- 2010 Reparatur EKD500 003
- 2010 Reparatur EKD500 004
- 2010 Reparatur EKD500 007
- 2010 Reparatur EKD500 011
- 2010 TRX40m 01
- 2010 TRX40m 02