Precise satellite navigation could remove the need for aircraft to fly longer routes that were partly designed around the old system of ground-radio beacons.
In the original song, Ground Control loses radio contact with the astronaut, Major Tom, implying that the mission has failed.
Each probe can pick up GPS signals and signals from eLoran, an enhanced version of Loran, the ground-based terrestrial radio-navigation system first used by the American and British navies during the second world war.
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.
The closures will not force the shutdown of any of those airports, but pilots will be left to coordinate takeoffs and landings among themselves over a shared radio frequency with no help from ground controllers.
Back in the '90s, two companies from the opposite ends of the consumer electronics world -- giant Sony with its eMarker and startup Xenote with its iTag -- tried launching key fob devices that would identify songs on the radio, but neither got off the ground.
NET, Radio for Development, and Search for Common Ground, has developed the Multimedia Training Kit (MMTK), which complements the ItrainOnline portal by providing resources which are intended to serve as building blocks for face-to-face training.
It has been discovered that the Airwave radio system's signal is variable on the ground floor.
BBC: Suffolk Police radio fault at Landmark House in Ipswich
According to Israel's army radio, army chief Lieutenant General Gaby Ashkenazi had ordered ground, air and naval forces to be on alert.
Satellite-based data links will improve communication between pilots and ground controllers, cutting out about 40% of voice communication over the radio.
"We've been to grounds that are virtually derelict, and they seem to get ground grading certificates, it's bizarre, " he told BBC Radio Norfolk.
Radio and TV, they can't get me this close to ground level no matter how many vox pops they air.
Radio calls captured by the website LiveATC.net show the Spirit pilot warned ground control about limited space to maneuver.
Assange and the others in the Bunker spent much of their time trying to piece together details: the units involved, their command structure, the rules of engagement, the jargon soldiers used on the radio, and, most important, whether and how the Iraqis on the ground were armed.
Chairman Paul Markland told BBC Radio Kent it had enabled them to carry out some much-needed improvements around their ground.
One Oldham fan who phoned BBC Radio Manchester said between 500 to 1, 000 fans had been turned away and had left the ground.
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