Previous Week 168: What Are (and Aren’t) Relative Error Ellipses? Next Week 166: Technician Training Models Week 167: Riparian Concepts 1 min read6 months ago FacebookXLinkedInEmail Presented by Jerry Mahun, PLS Latest Posts Week 175: Scanning Is Easy. Surveying Is Hard (Part 1) – Project and Control Setup 3 weeks ago Week 174: Photogrammetry—Stereo photos (for those taking the FS/PS/CST) 4 weeks ago Week 173: The Top Five Reasons Land Surveyors are Sued During New Construction Projects 1 month ago