PROCEDURE: MVN_SWIA_PENPROT PURPOSE: Routine to determine density and velocity of penetrating protons at periapsis AUTHOR: Jasper Halekas CALLING SEQUENCE: MVN_SWIA_PENPROT, REG = REG INPUTS: KEYWORDS: REG: region structure from 'mvn_swia_regid' NPO: number of determinations per orbit $LastChangedBy: jhalekas $ $LastChangedDate: 2014-11-20 06:12:41 -0800 (Thu, 20 Nov 2014) $ $LastChangedRevision: 16252 $ $URL: svn+ssh://thmsvn@ambrosia.ssl.berkeley.edu/repos/spdsoft/trunk/projects/maven/swia/mvn_swia_penprot.pro $