News tagged with radio signal

Making frequency-hopping radios practical

The way in which radio spectrum is currently allocated to different wireless technologies can lead to gross inefficiencies. In some regions, for instance, the frequencies used by cellphones can be desperately ...

dateMay 15, 2013 in Semiconductors
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First X-class solar flare of 2013

(Phys.org) —On May 12, 2013, the sun emitted a significant solar flare, peaking at 10 p.m. EDT. This flare is classified as an X1.7, making it the first X-class flare of 2013. The flare was also associated ...

dateMay 13, 2013 in Space Exploration
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NASA sees sun emit mid-level flare

(Phys.org) —The sun emitted a mid-level solar flare, peaking at 1:32 pm EDT on May 3, 2013. Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth's atmosphere ...

dateMay 03, 2013 in Space Exploration
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Russian spaceship may fail to dock to ISS

An unmanned Russian spaceship carrying 2.5 tonnes of cargo may be unable to properly dock with the International Space Station after its navigation antenna failed to properly deploy, Interfax said on Thursday. ...

dateApr 25, 2013 in Space Exploration
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Lightning strokes can probe the ionosphere

(Phys.org) —Thunderstorms, and the resulting partially ionized plasma of the ionosphere, can distort radio signals traveling to satellites important to communications, navigation or national security

dateApr 12, 2013 in Earth Sciences
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Finding instead of searching

It is easy to lose track of things in large storage facilities but not at the wind turbine manufacturer Enercon's facility in Magdeburg though, where a positioning system with digital inventory management ...

dateApr 03, 2013 in Semiconductors
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The wireless way to safer sub-station

New Professor of Radio Science and Wireless Systems Engineering at the University of Huddersfield heads a £670,000 project to find a more effective and efficient means of fault detection - meaning few blackouts and better ...

dateApr 03, 2013 in Engineering
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