News tagged with satellite positioning

Forecasters keep eye on looming 'Solar Max'

The coming year will be an important one for space weather as the Sun pulls out of a trough of low activity and heads into a long-awaited and possibly destructive period of turbulence.

dateDec 29, 2010 in Astronomy
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Moon's shadow, like a ship, creates waves

During a solar eclipse, the Moon's passage overhead blocks out the majority of the Sun's light and casts a wide swath of the Earth into darkness. The land under the Moon's shadow receives less incoming energy ...

dateOct 05, 2011 in Earth Sciences
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US army seeks new technology to replace GPS

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.

dateApr 25, 2013 in Telecom
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GPS getting an upgrade - for $8 billion

(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.

dateMay 25, 2010 in Telecom report
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GPS System Could Start Failing by Next Year

(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, ...

dateMay 20, 2009 in Telecom weblog
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