News tagged with vhf bands
Reception problems linger after DTV transition
Jun 17, 2009 |
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(AP) -- The shutdown of U.S. analog TV service on Friday appears to have gone relatively smoothly, but as expected, a lot of viewers are having problems getting the stations they want.
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Stations must warn if new TV signals lack reach
Mar 16, 2009 |
2 / 5 (1) |
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(AP) -- TV stations must alert viewers if their new digital signals don't reach areas covered by their soon-to-be-defunct analog broadcasts, the Federal Communications Commission has ruled.
TV stations struggling with viewer loss on DTV
Jul 02, 2009 |
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(AP) -- The government is helping two dozen TV stations that became difficult to receive by antenna when they switched to new frequencies as part of the digital TV transition, the Federal Communications Commission said Thursday.
Don't change that channel: DTV woes still abound
Sep 18, 2009 |
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(AP) -- Think the digital TV transition is over? Not quite. Many viewers have found that they can't pick up certain stations after the switch, even with the right TVs or converter boxes. The stations are still trying to ...
Scientists trial device to treat chemotherapy-related nausea
Mar 19, 2009 |
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Trials to test acupressure wrist bands as a drug-free alternative for chemotherapy-related nausea are to take place at the University of Liverpool.
Cognitive radio helps guarantee reachability of emergency services
Mar 02, 2009 |
4 / 5 (1) |
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(PhysOrg.com) -- A new approach to wireless communication will guarantee the reachability of emergency services in a better way. 'Cognitive radio', for which Qiwei Zhang (CTIT) developed new techniques, borrows free space ...
ResearchChannel combines cool technology with hot Seattle bands for amazing interactive demo at SC07
Oct 31, 2007 |
1 / 5 (1) |
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ResearchChannel, an educational media distribution hub based in Seattle, is using cutting-edge technology to showcase hot Seattle bands and exciting speakers through live interactive concerts at SC07, the international supercomputing ...
Some still having problems with digital TV conversion
Jul 08, 2009 |
3 / 5 (2) |
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It seemed so simple. Buy a government-subsidized converter box, plug it in, and sit back and enjoy the brave new world of digital television.
Mars Reconnaissance Orbiter Reveals Rock Fracture Plumbing on Mars
Space & Earth / Space Exploration
Sep 25, 2008 |
3.4 / 5 (5) |
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(PhysOrg.com) -- NASA's Mars Reconnaissance Orbiter has revealed hundreds of small fractures exposed on the Martian surface that billions of years ago directed flows of water through underground Martian sandstone. ...
Unlike rubber bands, molecular bonds may not break faster when pulled
Jun 17, 2009 |
5 / 5 (1) |
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From balloons to rubber bands, things always break faster when stretched. Or do they? University of Illinois scientists studying chemical bonds now have shown this isn't always the case, and their results may have profound ...
What's bugging locusts?
Biology /
May 08, 2008 |
4.3 / 5 (15) |
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Since ancient times, locust plagues have been viewed as one of the most spectacular events in nature. In seemingly spontaneous fashion, as many as 10 billion critters can suddenly swarm the air and carpet the ground, blazing ...
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