PRN 17, the first IIR-M satellite launched in September 2005, began broadcasting the second GPS civil signal, L2C, in December 2005. PRN 17 is the first in the new generation of GPS satellites with a ...
Mixed-mode operations will be allowed at London Heathrow during times of severe disruption, under new measures unveiled last week by UK aviation minister Theresa Villiers. The measures were laid out ...
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