GPS Spoofing Can Break an ALTA Survey (Here’s the Fix)

Surveyor verifying site control for an ALTA survey on a commercial construction project

If you plan a commercial closing, you want clean facts, not surprises. That’s why people order an alta survey. It supports a deal with clear, defensible field data. Yet there’s a modern twist most buyers never consider. Many survey crews use GNSS (the satellite signals behind GPS) for parts of the work. Lately, those signals […]