1、rinex3格式转成2, 用gamit的sh_rename_rinex3
sh_rename_rinex3 -f rinex3/*.rnx -d rinex/
2、广播星历,转成rinex2
mv BRDC00IGS_R_20242850000_01D_MN.rnx brdc2850.24n
3、精密星历,转成sp3, 用gamit的sh_rename_sp3
sh_rename_sp3 COD0MGXFIN_20242850000_01D_05M_ORB.SP3
4、执行解算
sh_gamit -expt bdsj -d 2024 285 -orbit CODM -pres ELEV -gnss C -noftp -lfreq 7
附:广播星历及星历下载地址