2VOLLATH U, BUECHERL A, LANDAU H, et al. (2000a) Long Range RTK Positioning Using Virtual Reference Stations [C]//Proceedings of the National Technical Meeting of the Satellite Division of the Institute of Navigation. SahLake : ION/GPS 2000,2000 : 1143-1147.
5U. Weinbath, S. Schon. GNSS receiver clock modeling when usinghigh-precision oscillators and its impact on PPP. Advances in SpaceResearch, 2011(47) :229 -238.