Sit at the bench with Mr Carlson and follow along through the repair and restoration of a TRIO Signamax SM1 RF preselector. This device amplifies "Boosts" weak radio signals so you can hear things not normally heard with the communications receiver alone.

To check out Mr Carlson's Electronics Course, and get access to his personal designs, click here:   / mrcarlsonslab  

To see the original release of the Carlson Low Voltage Leakage Tester, and see it in action, click here:    • Invention Release! Carlson LV Capacit...