Support time-dependent transformations for surveying and GIS : current status and upcoming challenges

Daphne Lercier1, Sebastien Vielliard1, Nick Mein2, Hamid Mahmoudabadi3 and Graham Briggs3, (1)Trimble, Nantes, France, (2)Trimble Navigation Ltd, Christchurch, New Zealand, (3)Trimble, Corvalis, OR, United States
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