International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part BI. Istanbul 2004 
AKNOWLEDGMENTS 
The author would like to thank every members of SPOTS 
working group for improvement of HRS location performance 
and especially the ones who actively participated to the 
achievement of this work. In particular, Serge Potteck and 
Didier Rami from CNES, Sylvain Airault, Eric Breton, Alain 
Orsoni and Denis Toustou from IGN, Olivier Hameury and 
Patrick Rouchit from ASTRIUM and Philippe Jacob from 
SODERN. 
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