Some argue that the way to resolve this problem is for the public-service side to take over the whole operation.

ECONOMIST: The BBC

The approval granted by OET allows Spectrum Bridge to commence operational service to new devices that can take advantage of the TV spectrum to provide service over greater ranges than those of Wi-Fi devices operating on higher frequencies.

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"BAA provides a free service up to the point of check-in when the airlines take over and they provide assistance from the check-in to the aircraft", a BAA spokeswoman told BBC News Online.

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The facilities, which could be open in four to five years, could eventually take over up to 80% of all non-urgent work within the health service.

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Will you consider allowing the private sector to buy and take over the most troubled government-run agencies such as the U.S. Postal Service?

WHITEHOUSE: Your Interview with the President

It said that officials were considering extending the life of the RAF's VC10s - due to be retired from service in March - then using the Tristar, which goes out of service next year, to meet air-to-air refuelling needs until the new planes are ready to take over.

BBC: Watchdog warns of defence project delays and overspending