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- Title Flight path
- Released 06/02/2012 2:48 pm
- Copyright IEEC (Institute of Space Studies, Barcelona, Spain)
Trajectory of the Skyvan aircraft during PARIS testing on 11 November 2011, overlaid with lines showing changes in the Gulf of Finland’s sea level due to geoid variations. The aircraft took off and landed at Helsinki International Airport, its trajectory planned to observe two specific high elevation GPS satellites. The trajectory was determined using data recorded by GPS stations on the coast as well as an inertial navigation system on the aircraft, to take account of turbulence.