Chapter 42. Global Positioning Systems
Information in this chapter:
• An overview of global positioning systems
• An overview of the NAVSTAR Global Positioning System
• Collection of evidence from GPS devices
• Interpretation of GPS evidence
Global Positioning Systems, or GPS units, have become commonplace in modern society. As is true with any device that can record and store data, these devices can become a source of evidence in civil and criminal cases. In using GPS data as evidence, it is important to understand what impacts the accuracy of the data these devices produce as well as the potential for errors in analyzing the data. The first part of this chapter provides some background on global positioning systems ...