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The Struggles of a City GIS Manager

October 1, 2009 - By

This is real. The names have been omitted, but this is happening as I write at one city and I’m willing to bet many, many more cities around the world. The city is typical in the US. Its population is ~23,000. Geographic area is ~8 square miles. There are 430 acres of parkland, over 150 acres of designated openspace and... read more

This article is tagged with and posted in GSS Monthly, Lidar, Mapping

The System: Glitches and Vulnerabilities

October 1, 2009 - By

A range of unrelated events in September show that GPS, the world’s preeminent GNSS, remains a work in progress. The first in a series of deviations from normal GPS signal broadcasts during September was noted by researches at the University of New Brunswick, among others around the globe, who found that normal signals from the L1 and L2 transmitters on... read more

This article is tagged with , , , , , , and posted in GNSS

Expert Advice: GPS Forensics, Crime, and Jamming

October 1, 2009 - By

The most widely used of all GPS devices are in-car navigators. When vehicles carrying navigators are used for criminal purposes, records contained in the devices may be examined. Such investigations rely on newly developed forensic techniques that employ a combination of computer expertise and navigation knowledge, yielding valuable data for crime investigators. read more

This article is tagged with , , , and posted in From the Magazine, Opinions
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