PMF_Scatter_v2.0 August 29, 2008 Notes by Ingrid Ulbrich 13th May 2009 This is the original version for public release, distributed at the 9th AMS Users Meeting in Manchester, UK. Please see the PMF-AMS Analysis Guide wiki (http://cires.colorado.edu/jimenez-group/wiki/index.php/PMF-AMS_Analysis_Guide) for documentation and help.