Registered Surveyor Practice Questions - China Registered Surveyor And Mapping Engineer Qualification Examination (全国注册测绘师职业资格考试) Exam

It completely eliminates receiver clock errors and satellite clock errors simultaneously. It completely eliminates ionospheric delay and tropospheric refraction without requiring empirical models. It directly fixes the carrier phase cycle ambiguities to integers without baseline adjustment. It eliminates multipath effects and receiver antenna phase center variations.