I have six numbered ground control points to give away. All you need to do is pay shipping from Massachusetts. Won't cost much - probably less than $15.
They are large, double-sided GCP's for use in winter or summer (red on white one one side, white on red on the other) and are made of highly durable honeycomb plastic.
They're left over from a conservation project I worked on a couple of years ago for a conservation organization mapping vernal pools on Cape Ann.
Send an email or call at (617) 306-0690. They work well if you have a GPS and use orthomosaic software like WebODM in tandem with Google Earth Pro.
If this post garners any interest I'll post photos.
They are large, double-sided GCP's for use in winter or summer (red on white one one side, white on red on the other) and are made of highly durable honeycomb plastic.
They're left over from a conservation project I worked on a couple of years ago for a conservation organization mapping vernal pools on Cape Ann.
Send an email or call at (617) 306-0690. They work well if you have a GPS and use orthomosaic software like WebODM in tandem with Google Earth Pro.
If this post garners any interest I'll post photos.