You don't just strap a satellite to a rocket, launch it, and voilà, it takes measurements. Beyond maneuvering into the right orbit, there are a series of check-out procedures to make sure the satellite performs in space ...
Space Exploration
Apr 17, 2013
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(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
Earth Sciences
Apr 12, 2013
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The company that measures television viewership will soon begin counting people who watch programming through broadband instead of a traditional broadcast or cable hook-up.
Telecom
Feb 21, 2013
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Last year, Dish revealed a new set-top box called Hopper that can send the TV signal "hopping" from room to room, covering all the TVs in the house. This year, it's upgrading the Hopper so that it follows you wherever you ...
Telecom
Jan 7, 2013
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(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 ...
(Phys.org)—Europe's third Galileo satellite has transmitted its first test navigation signals back to Earth. The two Galileo satellites launched last October have reached their final orbital position and are in the midst ...
Space Exploration
Dec 5, 2012
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The latest tropical storm in the western North Pacific Ocean has already spread its clouds and showers over the Philippines, as seen in NASA satellite imagery. NASA's Aqua satellite captured an image as it flew over Tropical ...
Earth Sciences
Oct 24, 2012
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(Phys.org)—With satellites playing increasingly important roles in everyday life, NASA is developing the technology to build Earth-orbiting, roving "service stations" capable of extending the life of these spacecraft. Engineers ...
Space Exploration
Oct 19, 2012
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(Phys.org)—Overnight on October 4-5, 2012, a mass of energetic particles from the atmosphere of the Sun were flung out into space, a phenomenon known as a coronal mass ejection. Three days later, the storm from the Sun ...
Space Exploration
Oct 10, 2012
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Whether you're walking, biking or driving, navigation systems can help you get from A to B - as long as you have a GPS signal. To find our way around large and complex buildings like hospitals or airports, we often need to ...
Hi Tech & Innovation
Sep 17, 2012
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