TEQC ( Translation , Editing and Quality Checking) 是功能强大且简单易用的GNSS 数据预处理软件，是由UNAVCO Facility （美国卫星导航系统与地壳形变观测研究大学联合体 ）研制的为地学研究GPS 监测站数据管理服务的公开免费软件，主要功能有格式转换、编辑和质量检核。(TEQC is a function of GNSS data preprocessing software is powerful and easy to use, by UNAVCO Facility (American satellite navigation system and Crustal Deformation Observation Research University Consortium) on the research of GPS monitoring station data management services open free software, the main function of format conversion, editing and quality check.)