NTRIP protocol and RTCM standard


The IGS et the RTIGS pilot project


RTIGS pilot project reports


The CNES/CLS IGS analysis center


Other links



General papers related to the method :

Specific application of the method to real-time :

Other papers related to zero-difference ambiguity resolution :

Smartphone application :


The CNES web site.

The PPP-WIZARD project is funded by the CNES 'Navigation Civile' project and by several multi-annual internal R&D contracts.


PPP-WIZARD project
, CNES caster: Denis Laurichesse
CNES network of stations: REGINA Operation