Assessment of real-time and backup GNSS orbit, clock, attitude, and biases products from CNES/Nav

To ensure reliability and accuracy in the Global Navigation Satellite Systems (GNSS) real-time data streams, maintenance operations may be performed at the server side, which could temporarily interrupt the availability of the real-time products for users. To address these issues, backup products were introduced by Centre National d’Etudes Spatiales Navigation Team (CNES/Nav) in November 2022. During maintenance periods in nominal real-time services, CNES/Nav switch to backup data stream, ensuri