The satellite differential code bias (DCB) characterizes the time it takes for the signal to travel from the reference c......

Ionospheric delay error is one of the most important errors in navigation and positioning.Ignoring the effects of the se......

With the formal operation of BeiDou satellite navigation system,and about 120 satellites will be available once all glob......

The current GPS clock products are based on P1-P2 ionosphere-free (IF) observation combinations.Upon conducting single p......