Using GPS rover system
By Woods Hole Coastal and Marine Science Center
December 2015 (approx.)
![A man stands on a beach holding a tall pole that is taller than him.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/IrwinSandwich.jpg?itok=Bgc9A2hQ)
Detailed Description
USGS technician Barry Irwin uses a GPS rover system to locate one of the targets used to calibrate the field of view for the beach cam. Three other larger targets are visible in the background.
Sources/Usage
Public Domain.