Age 16.  Line Voltage Power Distribution Panel.

Age 15-17. High school science project, a 1.425 GHz radio telescope receiver.

Age 17-20. HF radar receiver, digitized and synched to GPS, for ionospheric observation.

Age 17. Laboratory space in my parents’ basement that I assembled in high school.

Age 13-14  Solar Powered Car, team project lead by shop teacher Kerry Pytel at Brownell Middle School in 1994.