HomeAbout me About me Radio amateur life OH7O – my main call sign starting from Aug.2023 Multiple temporary call signs depending on the location: UN/OH7O, EX/OH7O, T2M, 3D2YY, YJ0YY, 8Q7YY, XW4YY, etc. OH7CYO – automatically assigned call sign starting from Aug.2023 ex-RV3DOS – from 1994 till 1998 ex-UA3LHB – from 1989 or something Professional life Marvelmind RoboticsLinkedIn