PROCEDURE sd_init :DESCRIPTION: Initialize the environment for drawing SD data :NOTE: This procedure is called automatically on executing most of sd_*.pro. :AUTHOR: Tomo Hori (E-mail: horit@stelab.nagoya-u.ac.jp) :HISTORY: 2010/03/10: Created $LastChangedBy: jwl $ $LastChangedDate: 2014-02-10 16:54:11 -0800 (Mon, 10 Feb 2014) $ $LastChangedRevision: 14265 $ $URL: svn+ssh://thmsvn@ambrosia.ssl.berkeley.edu/repos/spdsoft/trunk/projects/erg/ground/radar/superdarn/sd_init.pro $