Satellite navigation systems

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 […]

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.

Why is it so important for countries like Russia to develop their own Global Positioning Systems? Why does Russian Prime Minister Vladimir Putin insist on his country’s ‘satellite navigation sovereignty?’

The Senate passed a $34.5 billion bill on Monday that will bring in GPS technology to replace radar. This is an attempt to help modernize our country’s dated air traffic control system.

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.