Each onboard ADS-B set consists of a Global Positioning System satellite navigation unit, two Pentium microprocessors, some software and a radio transmitter-receiver--not much more gear than you would find behind the dash of a new Cadillac.

FORBES: Free flight

We questioned the starry-eyed revenue and expense forecasts for Galileo, a European satellite navigation venture designed to compete with the U.S.' Global Positioning System.

FORBES

She said that US diplomats and scientists should ensure that the Global Positioning System should become the world's standard satellite navigation system.

BBC: Albright marries science and diplomacy

While the participants engaged in much discussion there of Iraq, trade and other issues, the most significant result of the meeting may have been an agreement to ensure that Europes Galileo navigation system does not interfere with the frequencies used by Americas Global Positioning Satellite (GPS) system .

CENTERFORSECURITYPOLICY: Watch this space