Join host Chris Breedlove as he welcomes back Calvin Rikard, public safety specialist at Duncan -Parnell and former South Carolina Highway Patrol collision reconstruction expert, for a critical discussion about ground control points (GCPs) in drone surveying and documentation.

What You'll Learn:
✅ The shocking reality of how inaccurate drone data can be WITHOUT ground control points
✅ Real case studies from major incident investigations (including a train crash and fatal collision)
✅ The difference between ground control points and check points
✅ Best practices for GCP placement and collection
✅ Why the "3x accuracy rule" matters for your final deliverables

https://www.duncan-parnell.com/public-safety/public-safety-solutions

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