Reference Frames and Timing

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Triangular transformation network
Triangular transformation network

Reference frames, tied to the Earth or to inertial space, are the crucial basis for all Earth observation, global change and monitoring activities and timing is at the heart of space geodesy, since practically all high-precision observations involve time or frequency measurements. We realize highly accurate reference frames by reprocessing GNSS observation over decades and we try to make use of very stable clocks like H-masers and, in future, optical clocks, to improve the GNSS analysis and positioning.

 
 
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Fri Jun 23 08:45:44 CEST 2017
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