:DESCRIPTION: Divide tplot variables including all beams into that for each beam. :EXAMPLE: splitbeam, 'sd_hok_vlos_0' :Author: Tomoaki Hori (E-mail: horit@stelab.nagoya-u.ac.jp) :HISTORY: 2010/03/02: Created $LastChangedBy: lphilpott $ $LastChangedDate: 2011-10-14 09:20:31 -0700 (Fri, 14 Oct 2011) $ $LastChangedRevision: 9113 $ $URL: svn+ssh://thmsvn@ambrosia.ssl.berkeley.edu/repos/spdsoft/trunk/projects/erg/ground/radar/superdarn/splitbeam.pro $