準備文件和處理GPS類似，但是目前采用sh_gamit還是存在bug，雖然選擇了C，北斗衛(wèi)星，但實際還是處理G，GPS數(shù)據(jù)。
所以采用分步處理北斗數(shù)據(jù)。
# 采用綜合精密星歷
```
ln -s ../brdc/brdc1230.17n .
ln -s ../igs/com19473.sp3 .
ln -s ../rinex/*1230.17o .
ln -s ../tables/* .
sh_makexp -expt bdst -orbt comf -yr 2017 -doy 123 -gnss C -sess 0 -nav brdc1230.17n -jclock sp3 -apr lfile. -sinfo 30 00 00 2880
sh_sp3fit -f com19473.sp3 -o comf -d 2017 123 -gnss C
sh_check_sess -sess 123 -type gfile -file gcomf7.123
makej brdc1230.17n jcomf7.123 com19473.sp3 C
sh_check_sess -sess 123 -type jfile -file jcomf7.123
makex bdst.makex.batch
fixdrv dbdst7.123
csh bbdst7.bat
```
但是存在錯誤，顯示：
FATAL? :171014:1248: 4.0 MODEL/setup: Beidou frequencies on x-/c-file file not C2 and C7
# 采用武漢大學的精密星歷
```
ln -s ../brdc/brdc1230.17n .
ln -s ../igs/wum19473.sp3 .
ln -s ../rinex/*1230.17o .
ln -s ../tables/* .
sh_makexp -expt bdst -orbt wumf -yr 2017 -doy 123 -gnss C -sess 0 -nav brdc1230.17n -jclock sp3 -apr lfile. -sinfo 30 00 00 2880
sh_sp3fit -f wum19473.sp3 -o wumf -d 2017 123 -gnss C
sh_check_sess -sess 123 -type gfile -file gwumf7.123
makej brdc1230.17n jwumf7.123 wum19473.sp3 C
sh_check_sess -sess 123 -type jfile -file jwumf7.123
makex bdst.makex.batch
fixdrv dbdst7.123
csh bbdst7.bat
```
也顯示相同的錯誤：
STATUS :171014:1644:21.0 MODEL/open:? Loading/Met (U-) File? ? : ubdst7.123
WARNING:171014:1644:21.0 MODEL//lib/rstnfo: Station.info entry 4829 2017 123? 1 44 30? 2017 123 10? 4 30 starts late for session but may be ok for station
FATAL? :171014:1644:21.0 MODEL/setup: Beidou frequencies on x-/c-file file not C2 and C7
STOP FATAL Error: Stop from report_stat
