Home-Brewed Ground Control Markers

DIY UAV Ground Control Markers Hey, Kids! It’s All Drones These Days! Thanks to their availability, quality, and increasing ease of use, many GIS organizations are collecting aerial imagery with unmanned aerial vehicles (UAVs). With the abundance of high-resolution imagery coming from UAVs, members of the GIS tribe often find ourselves using ground control markers (GCMs) to georeference… Read More »

An Interview with Tracy and Tony

Here’s a nifty story my friend Open GIS Data Roger sent me this morning. Its an interview written by Tim & Tim over at Surdex. They interviewed two very accomplished Missouri GIS community members; Tracy Schloss and Tony Spicci for the National States Geographic Information Council’s blog NSCIC GEOJAVA. Tracy Schloss – Office of Geospatial Information, MO Office… Read More »

Book Review: Geographic Information Science: Mastering the Legal Issues – 1st Edition

This was originally posted in 2015 and Updated October 16, 2018 by George Cho (Author) ISBN-13: 978-0470850107 ISBN-10: 0470850108 5.0 out of 5 stars – This is a review I wrote for Amazon.com on February 22, 2015. Format: Paperback Verified Purchase I have dabbled professionally in GIS since the early 1990’s while working as a city planner. In… Read More »