TY - JOUR A1 - Zhang, D. H. A1 - Zhang, W. A1 - Li, Q. A1 - Shi, L. Q. A1 - Hao, Y. Q. A1 - Xiao, Z. T1 - Accuracy analysis of the GPS instrumental bias estimated from observations in middle and low latitudes JO - Ann. Geophys. J1 - ANGEO VL - 28 IS - 8 SP - 1571 EP - 1580 Y1 - 2010/08/25 PB - Copernicus Publications SN - 1432-0576 UR - https://angeo.copernicus.org/articles/28/1571/2010/ L1 - https://angeo.copernicus.org/articles/28/1571/2010/angeo-28-1571-2010.pdf DO - 10.5194/angeo-28-1571-2010 ER -