GPS target
By Pacific Coastal and Marine Science Center
September 2019 (approx.)
![A small device sits on a tripod which rests on a square tarp pinned down on a flat area of grass.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/image6_0.png?itok=RhSc9VTM)
Detailed Description
A global positioning system (GPS) sits on a tripod and is used to accurately pinpoint the center of a target that itself is used for photo rectification with aerial photos.
Sources/Usage
Public Domain.