South Korea says the satellite launched on Wednesday has made contact with a ground station and is sending data.
In preparation for deployment in Afghanistan, tests were recently carried out in which two Global Hawks were simultaneously controlled from one ground station.
The contract for the ADS-B ground station network requires continual independent validation of the accuracy and reliability of ADS-B and aircraft avionics signals.
FORBES: Next-Gen Air Traffic Control Vulnerable To Hackers Spoofing Planes Out Of Thin Air
Precise, high-quality images and data can be sent back in under 30 minutes to a mobile ground station which can then disseminate images online.
BBC: NEWS | Science/Nature | 'Eternal planes' to watch over us
The communications system links the missile with the guiding ground station.
All four Cluster satellites will fly independently, controlled by radio contact with a ground station on earth, rather than talking among themselves about where they are.
If no other buyers show up--possible bidders include the U.S. government, which owns an Iridium ground station in Hawaii--McCaw could buy it before ICO starts business in 2002.
In 2007, China launched the first satellite of its second-generation system, called Beidou-2, which is thought to use cheaper terminals and, unlike its predecessor, doesn't require a ground station.
An international GPS ground station may have to get export approval to buy a new screen for its Dell laptop, because it is part of a system that is controlled.
The Yonhap news said it was expected to make contact with its ground station at 05:00 on Thursday, at which point its operators will be able to make the final judgement on whether the launch achieved its goals.
It packs a pair of HD cameras along with a thermal imager and can stay aloft permanently, in theory, thanks to a microfilament tether attached to a ground station -- which also makes it impervious to weather, tracking and interception at the same time, according to CyPhy.
ENGADGET: CyPhy Works reveals tethered flying bots that can spy on you indefinitely (video)
Given the risks of aiming such a powerful beam of high-intensity radiation at an Earth ground station, as well as the cost of building billions of dollars in infrastructure to collect the energy in space, the efficiencies you can get from terrestrial solar power seem a safer bet--at least for now.
The unit will include several air vehicles, a ground control station, satellite datalinks and various other subsystems essential to combat operations.
"We're only 20 minutes from Cardiff, it's a direct train link and there's a bus station right by the ground, " said McCarthy.
It also uses a tether and can stay aloft for 12-hours on a single ground-station battery, letting it spy from afar with on-board HD, night-vision and thermal cameras.
ENGADGET: CyPhy Works reveals tethered flying bots that can spy on you indefinitely (video)
In a nondescript building, down a largely unmarked hallway, is a series of rooms, each with a rack of servers and a "ground control station, " or GCS. There, a drone pilot and a sensor operator sit in their flight suits in front of a series of screens.
Next, Erickson stood inside a steel circle on the ground near Embankment station.
Carriages of one of the trains came to rest on top of the other after a moving train hit a stationary vehicle above ground near a station.
During the event, several video questions will be selected and answered by the station crew and astronauts on the ground.
Kobel says between 500 and 700 people are working on the project at any time, building below ground while the old station continues to function above.
Blake Farmer of member station WPLN in Nashville says that the ground is so dry, even the weeds won't grow.
Mr Ivcher's shares in the television station were then seized, on the ground that he was a foreigner and was thus barred by law from owning a media company in Peru.
Chambers recently invited me below ground at the Brompton Road Tube station in West London, which he intends to turn into a restaurant and museum in time for the 2012 Olympics.
Nasa ground controllers have re-established contact with the International Space Station less than three hours after a computer failure briefly interrupted communication.
BBC: Nasa back in contact with the International Space Station
And one of my ideas is not to spread that civic infrastructure around, but put the school, the clinic, the Y or whatever other social facility there are on the same ground and that becomes the core, maybe with a fire station and a police station right there, and that becomes the core.
The aircraft experienced a "catastrophic mechanical malfunction" during takeoff from Naval Air Station Oceana on Friday, raining jet fuel over Virginia Beach before plunging to the ground, according to residents and Navy officials.
Later, when he tried to make a phone call from a police station in Tehran, Athanasiadis said security forces tackled him, threw him to the ground, beat him with a club and pepper-sprayed him.
For the rest of Thursday, ground controllers plan to send Dragon on a wide loop around the space station, maintaining a separation of several miles as the spacecraft zips above and then falls behind the station.
To attend the game Hull City fans must travel to the ground by coach, and are allowed to get on at either Hartshead Moor service station or in Hull.
The station, established in 1955, is built on volcanic rock on Ross Island, the solid ground farthest south that is accessible by ship, according to the NSF, an independent U.S. government agency.
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