James, I can't download it. Do you have to subscribed to the service?
Could it be the same as the document posted in - http://www.mail-archive.com/vortex-l@eskimo.com/msg86131.html - which referenced the "maser-soliton theory" (p.22)? Air Force document (AFRL-PR-ED-TR-2002-0039) - "Ball Lightning Study" http://www.foia.af.mil/shared/media/document/AFD-091008-049.pdf Fig. 7 in this document is quite interesting. -- Lou Pagnucco James Bowery wrote: > http://www.yumpu.com/en/document/view/4384359/ball-lightning-study-air-force-freedom-of-information-act > > In particular I direct your attention to Figure 7. >