Chris Gryffenberg

Joined about 8 years ago.
Bio

Radio Amateur Callsign - ZS6COG
Talk to the world, become a radio HAM

Works at:
Activity
Chris Gryffenberg updated ZS6COG Fablab
over 3 years ago
Chris Gryffenberg updated ZS6COG Fablab
almost 8 years ago
Chris Gryffenberg updated ZS6COG Fablab
almost 8 years ago
Chris Gryffenberg updated ZS6COG Fablab
almost 8 years ago
Chris Gryffenberg updated ZS6COG Fablab
almost 8 years ago
Chris Gryffenberg signed up
about 8 years ago