Sentences with phrase «of radio antennas»

Co-located primarily in South Africa and Western Australia, the SKA will be a collection of hundreds of thousands of radio antennas with a combined collecting area equivalent to approximately one million square metres, or one square kilometre.
He spent 10 years in Bordeaux and Toulouse, refining his knowledge of radio antennas.
Because of the extreme distances and power limitations of the radio antenna, data from the New Horizons encounter, which in July flew within 12,500 kilometers of Pluto's surface, is still being beamed back to Earth.
Plans are underway for 37 subsurface clusters of radio antennae
The Discoveries: Great Breakthroughs in 20th - Century Science Alan Lightman; Pantheon, $ 32.50 Arno Penzias and Bob Wilson cleared a pair of pigeons out of their radio antenna in an attempt to eliminate a faint hum.

Not exact matches

«He financed experiments in wireless telegraphy and radio, including the installation of one of the first antennas in France,» writes Berkun.
As the name suggests, the idea is to have multiple radio telescopes over a large area, increasing the effective size of the receiver antennae.
So do the mangled segment of the north tower radio and TV antenna, the ravaged elevator motor, and, yes, even the crushed fire - truck alongside the north tub.
The technology of communications satellites, however, has developed so rapidly that Hughes Aircraft Corporation (prime contractor for the Comsat Corp satellites) now offers to deliver within two years similar satellites capable of TV and radio broadcast service, to work directly with home receivers equipped with inexpensive special antennas.
And for a radio antenna he had substituted a coat hanger bent double; a friend had grabbed the antenna and snapped it off while falling from the hood in the aftermath of a party.
Others include, 1 Rocket Propelled Grenade Tube with 3 bombs, 1 Rocket Propelled Grenade charger and smoke grenade, 1 Hand Held (HH) Motorola Radio an antenna, 1 copy of Holy Quran and Boko Haram terrorists flag.
During four nights this week the poles — actually interconnected radio antennae — will spring to life after three years of dormancy, and heat the highest wisps of our atmosphere directly above.
CB (citizens band radio) antennas come in a lot of shapes and sizes so it can be hard to figure out which is the best.
The team, led by Alan Kogut of the NASA Goddard Space Flight Center, took measurements with a radio antenna named ARCADE that dangled from a high - altitude balloon over eastern Texas in July 2006.
But the real debut for this technology is likely to be the Square Kilometre Array (SKA), the world's largest radio telescope, whose thousands of antennas will be strewn across the southern hemisphere (New Scientist, 2 June, p 4).
The radio antennas that will make up HERA are each 14 meters (42 feet) wide, or about the length of a city bus.
At the end of the fibre, those signals are broadcast using a radio antenna, providing 3G and Wi - Fi access simultaneously, for instance.
«Our aim is to build a broadband access network using just one integrated intelligent system of radio - over-fibre and distributed antennas
Evolutionary algorithms are often used to help improve things like aircraft wings or radio antennas in ways that humans might not have conceived of.
To find out, Judd Bowman of Arizona State University in Tempe and Alan Rogers of the Massachusetts Institute of Technology deployed a small radio antenna called EDGES in Western Australia.
This «beam - forming» capability makes the antennas crucial to ultrafast wireless applications, because they can focus a stream of high - frequency radio waves that would quickly dissipate using normal antennas.
The researchers used the ALMA radio telescope, which consists of 66 individual radio antennas that together form a giant virtual telescope with a 16 - kilometre diameter.
A team of researchers from nanoGUNE, ICFO and Graphenea — members of the EU Graphene Flagship — now demonstrates that the antenna concept of radio wave technology could be a promising solution.
The Empire State Building is host to an array of antennas that are taking advantage of the building's 1,454 - foot height — to the top of its lightning rod — to broadcast a bevy of radio and television stations.
The Search for Extraterrestrial Radio Emissions from Nearby Developed Intelligent Populations (SERENDIP) has scanned billions of radio sources in the Milky Way by piggybacking receivers on antennas in use by observational astronomers, including AreRadio Emissions from Nearby Developed Intelligent Populations (SERENDIP) has scanned billions of radio sources in the Milky Way by piggybacking receivers on antennas in use by observational astronomers, including Areradio sources in the Milky Way by piggybacking receivers on antennas in use by observational astronomers, including Arecibo.
17 In 1965 astronomers Arno Penzias and Robert Wilson scrubbed their Bell Labs radio antenna to rid it of pigeon droppings, which they suspected were causing the instrument's annoying steady hiss.
The team sent the signals from a 70 - metre radio antenna in Goldstone, California, and recorded the returning signals using the Very Large Array (VLA) of 27 radio telescopes in New Mexico to compile a radar map of Mars.
A small antenna flips up to stand proud of the watch face, and transmits pulses of radio energy.
The Deep Space Network, managed by JPL, is an international network of antennas that supports interplanetary spacecraft missions and radio and radar astronomy observations for the exploration of the solar system and the universe.
A line feed antenna, used to receive and transmit radio waves to study the Earth's ionosphere, broke off and fell onto the observatory's main dish, damaging some of its panels.
In the lab, Hawkes and his colleagues programmed the robot to form 3 - D structures such as a radio antenna, turn off a valve, navigate a maze, swim through glue, act as a fire extinguisher, squeeze through tight gaps, shimmy through fly paper and slither across a bed of nails.
Using a large antenna from NASA's Deep Space Network of radio telescopes tuned in to a special transponder on Juno provided by the Italian Space Agency, the team repeatedly searched for any unexplained anomalies in the spacecraft's trajectory.
Data collected in space, like video transmission of a spacewalk, travel as radio signals from antennas on spacecraft to much larger antennas on Earth, some with diameters up to 230 feet.
... The radio transmitter goes on the form of a dart — it's a subdermal tag, and all that's showing at the surface is the antenna.
* The data were obtained by ALMA; the Combined Array for Research in Millimeter - wave Astronomy: a millimeter array consisting of 23 parabola antennas in California; the Submillimeter Array a submillimeter array consisting of eight parabola antennas in Mauna Kea, Hawaii; the Plateau de Bure Interferometer; the NAOJ Nobeyama Radio Observatory 45m radio telescope; USA's National Radio Astronomy Observatory 12m telescope; USA's Five College Radio Astronomy Observatory 14m telescope; IRAM's 30m telescope; and the Swedish - ESO Submillimeter Telescope as a suppleRadio Observatory 45m radio telescope; USA's National Radio Astronomy Observatory 12m telescope; USA's Five College Radio Astronomy Observatory 14m telescope; IRAM's 30m telescope; and the Swedish - ESO Submillimeter Telescope as a suppleradio telescope; USA's National Radio Astronomy Observatory 12m telescope; USA's Five College Radio Astronomy Observatory 14m telescope; IRAM's 30m telescope; and the Swedish - ESO Submillimeter Telescope as a suppleRadio Astronomy Observatory 12m telescope; USA's Five College Radio Astronomy Observatory 14m telescope; IRAM's 30m telescope; and the Swedish - ESO Submillimeter Telescope as a suppleRadio Astronomy Observatory 14m telescope; IRAM's 30m telescope; and the Swedish - ESO Submillimeter Telescope as a supplement.
Over the next two years, the institute will turn the Allen Telescope Array — a group of 42 antennas in northern California that are dedicated to SETI research — towards 20,000 red dwarf stars to listen for radio signals that might be signs of life.
Lawrence Rudnick, the astronomer who led the team that found the void, was studying data from the Very Large Array, a network of 27 radio antennas in New Mexico, when he spotted a gap in the constellation Eridanus where radio signals from galaxies appear unusually faint.
His antenna was picking up celestial radio sources rotating in and out of view.
In the same way large antennas on rooftops direct emission of classical radio waves for cellular and satellite transmissions, the nano - antenna efficiently directed the single photons emitted from the nanocrystals into a well - defined direction in space.
The Curiosity rover's selfies have gained a lot of fans on Earth, but their arrival depends entirely on the Deep Space Network (DSN), an overlooked and overworked collection of 50 - year - old radio antennas installed in remote locations across the world.
These electrodes, along with a computer chip that contains a radio frequency antenna, are fabricated on a flat substrate made of polyethylene terephthalate (PET), a transparent polymer commonly found in plastic bottles.
Radio frequency identification is a marvel of both miniaturization and mass production: a microchip and antenna small and cheap enough to justify planting on a bag of charcoal.
More than 44,000 radio antennas will soon link over the Internet to create one of the most ambitious radio telescopes ever built.
Square Kilometer Array What: The world's largest radio telescope, with an array of 150 antennas, each 330 feet across.
Saints: SETI Donors After eight months of inactivity, the 42 radio antennas of the Allen Telescope Array in Hat Creek, California, resumed their search for signals from extraterrestrial life last December.
«It collects the amplitude and phase information from each of the antennas, and knowing their distances from each other, it lines everything up to produce a coherent picture of the source,» says Jeff Mangum, an ALMA project scientist at the National Radio Astronomy Observatory (NRAO) in Charlottesville, Virginia, US.
The incident was one of several recent glitches in the Deep Space Network (DSN), NASA's complex of large radio antennas in California, Spain, and Australia.
HAARP, near Gakona, Alaska, comprises radio transmitters and antennas that are used to heat up the ionosphere — the uppermost region of the atmosphere — creating a laboratory in the sky for scientists.The facility has been used to produce an artificial aurora and to study how charged particles behave in the ionosphere, at a total cost of more than $ 250 million to build and operate.
«We can literally image the frequency of the electron, and we see this electron suddenly pop into our radio antenna,» says Joe Formaggio, an associate professor of physics at MIT.
Concurrently with the radar imaging, the scientists also used the radar transmitter at the Arecibo Observatory in Puerto Rico and a portion of the antennas that are part of the National Radio Astronomy Observatory's (NRAO) Very Long Baseline Array (VLBA) to perform an observation known as radar speckle tracking.
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