(PhysOrg.com) -- GPS is getting an upgrade costing $8 billion (US), which aims to increase the system's accuracy, improve its reliability, and make the technology even more widespread.
May 25, 2010
4.6 / 5 (16)
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(Phys.org) —In today's wireless communication systems, the wireless signals are non-chaotic, meaning they have a well-defined period and frequency. Non-chaotic wireless signals are used in many applications, ...
May 13, 2013
4.8 / 5 (14)
10
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(PhysOrg.com) -- A federal watchdog agency has warned the U.S. Congress that the GPS system could start failing in 2010 and beyond. Due to delays in launching replacement satellites and other circumstances, ...
May 20, 2009
3.9 / 5 (14)
11
The first direct evidence of GPS jammers in use on British roads will be presented today alongside predictions of a major incident involving ships in the English Channel over the next decade caused by disruption to navigation ...
Feb 21, 2012
4.6 / 5 (11)
7
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(PhysOrg.com) -- If a plan to build new 4G mobile phone base stations in the US goes ahead, engineers say GPS satellite navigation systems will be seriously jammed and huge areas of the country will become ...
Feb 23, 2011
4.2 / 5 (12)
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The US army is working to limit its dependence on GPS by developing the next generation of navigation technology, including a tiny autonomous chip, the director of the Pentagon's research agency said Wednesday.
Apr 25, 2013
4.1 / 5 (12)
5
(Phys.org)—GPS reduces battery life in a smartphone or tablet, a problem that has challenged a team led by principal researcher Jie Liu at Microsoft Research. Liu has said in the past that sensing and energy ...
Dec 25, 2012
4 / 5 (11)
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A problem that rendered as many as 10,000 U.S. military GPS receivers useless for days is a warning to safeguard a system that enemies would love to disrupt, a defense expert says.
Jun 01, 2010
4.4 / 5 (9)
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A video posted on YouTube Wednesday appeared to show the amazing voyage of a Lego man sent into space on a homemade spacecraft by two Toronto students.
Jan 25, 2012
4.6 / 5 (8)
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Japan on Saturday launched a rocket carrying a satellite intended to improve global positioning systems.
Sep 11, 2010
4.9 / 5 (7)
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(PhysOrg.com) -- New GPS data of the 2010 earthquake that devastated parts of Chile and killed over 500 people is revealing new clues about large earthquakes such as the quake in Chile and the magnitude 9.0 ...
Apr 29, 2011
5 / 5 (6)
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(AP) -- A government report raising questions about the future reliability of the Global Positioning System satellite network is "overly pessimistic," Air Force commanders said Friday.
Sep 24, 2010
4.8 / 5 (6)
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In computer science, the buzzword of the day is "big data." The proliferation of cheap, Internet-connected sensors—such as the GPS receivers, accelerometers and cameras in smartphones—has meant an explosion ...
Nov 13, 2012
4.8 / 5 (6)
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Viewed from the technological perspective of modern humans, the sun is a seething cauldron of disruptive influences that can wreak havoc on communication systems, air travel, power grids and satellites – ...
Aug 18, 2011
4.7 / 5 (6)
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