ST_PsnData

   TYPE ST_PsnData:
   STRUCT
     nId         : UDINT;             // TrackerID
     sName       : STRING[32];        // Trackername
     stPos       : ST_PsnFloat3D;     // Structure representing the tracker X, Y, Z position in meters
     stSpeed     : ST_PsnFloat3D;     // Structure representing the tracker Y, Y, Z velocity in meters per second
     stOri       : ST_PsnFloat3D;     // Structure representing the tracker Y, Y, Z up vector
     nValidity   : REAL;              // represents the tracker's validity
   END STRUCT
   END TYPE