UK OSTN15 Shift Grid (2026 ostn15_bilinear.sgf)
New bilinear version of OSTN15 shift grid file for use with United Kingdom OSTN15 coordinate system projects and jobs. Released August 2026. Click here to download ostn15_bilinear.sgf
Trimble SX12 Scanning Field Quick Guide
A concise field guide to scanning with the Trimble SX12 and creating an inspection report.
Trimble SX12 Scanning Field User Guide
This field guide is written for the surveyor using a Trimble SX12 to capture repeatable, georeferenced scans on a live construction site. The worked example is a stockpile scanned daily...
