Satellite navigation systems
Supreme Court Rules Against GPS Tracking
On Monday the Supreme Court ruled unanimously that police violated the 4th amendment when they placed a Global Positioning System (GPS) tracking device on a suspect’s car and monitored its movements for 28 days. In his opinion on the case, Justice Anthony Scalia wrote that the use of GPS constituted a “search” and therefore requires a […]
Precision Agriculture
Instead of kicking back during the winter, many farmers are now keeping busy ?at the computer. They’re using global positioning systems to do what’s called “precision agriculture,” which uses satellite coordinates to help map their fields. As Minnesota Public Radio’s Jeff Horwich reports the use of this technology is helping to make planting crops a precise […]
Geocaching
When former President Clinton declassified the global positioning system, also known as GPS, it opened the door for citizen use of the satellite navigation network. As Ken Shulman reports, a new sport called geocaching has sent both outdoor enthusiasts and techno-geeks on treasure hunting adventures using handheld GPS devices.
Cartography comes of age with digital cellphone applications
Today, GPS applications on our cell phones allow us to track our friends via their cell phones. John Markoff, technology reporter for the New York Times joins The Takeaway to talk about the implications around GPS technologies in handheld devices.