Original poster: "D.C. Cox" <resonance@xxxxxxxxxx>John Couture has an excellent design for a sensitive electrometer he shared with me years ago. John's design utilizes an op amp for electronic amplification and can detect localized ground charges for hours after a thunderstorm has passed.
Dr. Resonance
> Original poster: Paul Nicholson <paul@xxxxxxxxxxxxxxxxxxx> > Are we going to see a thread 'How to build an electrometer' now? how about this "meter": http://www.pupman.com/listarchives/1997/february/msg00436.html you surely can`t load this puppy too much : ) ----- Let the bass kick! =:-D