Portable Weight Based Scheduling Tool 23 Jan 2019 Version Download 23 File Size 0.00 KB File Count 1 Create Date January 23, 2019 Last Updated January 23, 2019 Download Description The Portable Weight Based Scheduling Tool (PWBST) has been developed under the South East Queensland Irrigation Futures (SEQ-IF) program by the National Centre for Engineering in Agriculture (NCEA) at the University of Southern Queensland.