Want a free sample of Ground Control Points from the Control Freaks at CompassData???
We have the world’s largest archive of off the shelf GCPs and you can have 3 GCPs for Free!
Follow these simple steps to receive your data:
- Download our global archive file as either a Google KMZ or an ESRI shapefile from here: http://gcparchive.compassdatainc.com
- Load the file in Google Earth or your GIS program and locate 3 points from our archive of 14,000 GCPs that you want to sample.
- Complete the following information, click send and you will receive an email from the Control Freaks with FTP download instructions and then go retrieve your free GCPs!
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