R. David Day, GISP
Keystone Aerial Surveys, Inc.
Executive Vice President
Philadelphia, PA
David Day has been at Keystone Aerial Surveys, Inc. for over 20 years, is an ASPRS Certified Photogrammetrist and a GISP. He has authored and co-authored many research papers on field camera calibration and drone usage and is currently directing Keystone UAS division. He authored Keystone successful 333 exemption requests, Part 107 airspace authorizations and waiver requests. He is actively evangelizing the use of UAS for GIS, Photogrammetry and 3D data acquisition by presenting at dozens of industry, legal and government events throughout the country.