Ray, These products are encrypted and we never got a decoder for them. The edu community gets it lightning data from albany using the NLDN feed. It's free for the edu community. Here's a url with the details: http://www.unidata.ucar.edu/publications/newsletters/Winter94.NL/lightning.html Robb... On Fri, 20 Dec 2002, Ray Weber wrote: > I saw the discussion on the lists (a bit old) regarding the SFUS 41 lightning > files. Did you ever get any info on decoding them?? > > Ray Weber > MA Skywarn Coordinator > > =============================================================================== Robb Kambic Unidata Program Center Software Engineer III Univ. Corp for Atmospheric Research address@hidden WWW: http://www.unidata.ucar.edu/ ===============================================================================