Version: 23 May 2012  
 PIs: Boyle, et al 
 GT11/KN204-01 A/B  SIOR CTD Profiles - 1m Downcasts 
 Revisions: 
  30 Jan 2013: Changed CRUISE_ID to cruise_part A or B. 
  14 Feb 2013: Corrected event number of station 18 cast 6 from 3203 to 3204.