Previous Week 120: PLSS Double Proportioning Calculations for those studying for the PS/FS & CST Exams Next Week 118: Artificial Intelligence in Geomatics Week 119: GNSS / GPS Basics 1 min read10 months ago Watch LaterRemove Cinema Mode FacebookXLinkedInEmail Steven J. Martin, PLS, presents this week on GNSS / GPS Basics. Latest Posts Week 135: QuickBooks Accounting for Surveying Companies 3 weeks ago Week 134: Aldoa – Project Management Software for Surveyors 2 months ago Week 133: Least Square Adjustments 2 months ago