GPS and never having to say: 'Where am I?'
Further Reading
August 2007, page 12
GPS collars contain cows
Looks at the use of GPS collars to restrict the movements of herds.
No.94, February/March 2004, pages 15-18
Global positioning system: Finding your way home (by Darren Osborne)
A simple explanation of how GPS works.
13 December 2007, page 24
Indoor ‘sat-nav’ could save firefighters (by Duncan Graham-Rowe)
Reports on the development of an indoor tracking system for firefighters.
7 July 2007, pages 24-25
Location-based phone features could aid snoops (by Michael Reilly)
Examines the use of GPS in cellphones to track down people.
25 April 2007
TV and cellphone signals may provide GPS back-up (by Jeff Hecht)
Suggests that soldiers may no longer need to rely solely on satellite navigation to pinpoint themselves or targets.
5 April 2007
Did space storm cause surprise GPS disruption?
Reports on solar eruptions that occurred at the end of 2006 that caused unexpectedly severe disruption to the GPS navigation network.
29 September 2006
Solar flares will disrupt GPS in 2011 (by Jeff Hecht)
Suggests that navigation, power and communications systems that rely on GPS navigation will be disrupted by solar activity in 2011.
16 July 2005, pages 28-29
The power to follow your every move (by Duncan Graham-Rowe)
Describes the Galileo satellite position monitoring system.
1 May 2004, page 23
GPS echoes help monitor Earth (by Anil Ananthaswamy)
Explains how reflected GPS signals can be used to measure environmental factors.
22 November 2003, pages 30-33
Time warp (by Stephen Battersby)
Discusses how a seemingly trivial quirk of modern timekeeping could generate problems for GPS receivers.
31 August 2002, page 8
Dead satellites haunt GPS (by Duncan Graham-Rowe)
Suggests that defunct GPS satellites could collide with active ones.
4 May 2002, pages 32-36
Global fix (by Gerry Byrne)
Explains why Europe is developing an alternative to GPS.
30 March 2002, page 5
Location, location, location (editorial)
Explains why global positioning is too vital to be left in the hands of the
Pentagon.
December 2008, pages 82-83
Where on Earth you are? (by Mark Fischetti)
Describes how handheld global positioning system devices determine your position.
May 2004, pages 64-71
Retooling the global positioning system (by Per Enge)
Looks at how GPS is changing and where the technology is going.
September 2002, pages 68-75
Ultimate clocks (by W. Wayt Gibbs)
Discusses atomic clocks.
May 2002, pages 78-79
Getting there (by Mark Fischetti)
Describes how GPS works in dashboard navigation systems in cars.
Page updated December 2008.