Subject: Re: Lightning Generator Date: Sun, 4 May 1997 19:17:48 -0700 (PDT) From: "Edward V. Phillips" <ed-at-alumni.caltech.edu> To: tesla-at-pupman-dot-com " A lightning stroke has a fast rise time, it is a RF voltage." No way! Primarily unipolar with a rise time of a few microseconds and a fall time of tens to hundreds. Ed