(Phys.org)—A new positioning system can take on where GPS leaves off. An Australia-based company, Locata, is featuring a ground-based system using stronger signals than GPS for pinpointing a person's location indoors or ...
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.
Telecom
Jun 1, 2010
7
0
(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.
(PhysOrg.com) -- The US military is studying the feasibility of a system that could allow them to accurately navigate in enemy underground tunnels, an environment in which GPS does not work.
The massive magnitude 8.8 earthquake that struck the west coast of Chile last month moved the entire city of Concepcion at least 10 feet to the west, and shifted other parts of South America as far apart as the Falkland Islands ...
Earth Sciences
Mar 8, 2010
3
0
You can put those maps away. The US Air Force has shot down fears that the space-based Global Positioning System (GPS) is going to crash.
Telecom
May 21, 2009
3
0
(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, the GPS systems ...
Two weeks after the rains begin, an elephant family named "the Royals" usually switches to a grass diet to bulk up for pregnancy and birth. But when they wandered off their African reserve one rainy season, cattle grazed ...
Plants & Animals
Apr 13, 2009
0
0
The tropics is becoming hotter due to a combination of warming associated with deforestation and climate change—and that can reduce the ability of outdoor workers to perform their jobs safely. Researchers reporting in the ...
Environment
Dec 17, 2021
0
71
A new study comparing decades of environmental monitoring records has confirmed that Canada's caribou are not faring as well as other animals like moose and wolves in the same areas—and also teased out why.
Plants & Animals
Mar 18, 2021
2
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