Thunder Detection= 2 Miles , (IN) 6 inches antenna (1 ohm Remove ),Use 10 turns Potentiometer, replaced LAMP by Piezo Buzzer, Diode=1N4148 , 3 Transistors = BC109C , Batterie 9V Consumes Only 600 Micro Ampere. Adjust Potentiometer Back Slightly to stop Oscillation.
