本程序的功能是对仅含有C1-P1观测数据的GPS的RINEX进行转换，便于生成DCB文件。-The function of this program is to facilitate the creation of DCB file contains only the C1-P1 observation data of GPS RINEX conversion.

Gnss系统中rinex文件格式转换程序，可以实现rinex3.0至2.0的转换。-Gnss system rinex file format conversion process, you can achieve rinex3.0 to 2.0 conversion.