EGNOS Satellite Navigation System Safety Certification

By Paul Parkinson

Parkinson_lg In case you missed it, yesterday Wind River announced
that VxWorks has been selected for the European Geostationary
Navigation Overlay Service (EGNOS), and has been chosen to run the
Integrity Processing Facility (IPF) check set.

The IPF, developed and delivered by Logica, is the crucial element
that
validates the information broadcast by the satellites to safety-critical
users
such as aircraft in flight or ships navigating through narrow
channels. This is essential, because satellite navigation systems alone
do not provide sufficient positional accuracy to be used in
safety-critical applications.

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