the broadcast ephemerides achieve a typical user range error at the 1.5-meter level. The broadcast ephemerides also provide access to timing and broadcast group delay parameters (TGD, BGD) and inter-constellation system time offsets for new constellations for which no alternative products ...
IGS-MGEX: Preparing the Ground for Multi-Constellation GNSS Science With a total of four new and emerging constellations (BeiDou, Galileo, QZSS, IRN SS) as well as the ongoing modernization of GPS and GLONASS the world of satellite navigation presently experiences dramatic changes. Facing these ...