Load gnss_lib_py into the Python workspace
[1]:
import gnss_lib_py as glp
Rinex Navigation File Parsing
Rinex Navigation files can be loaded using RinexNav
[2]:
# download example Rinex navigation file
glp.make_dir("../data")
!wget https://raw.githubusercontent.com/Stanford-NavLab/gnss_lib_py/main/data/unit_test/rinex/nav/brdc1370.20n --quiet -nc -O "../data/brdc1370.20n"
[3]:
# load into NavData instance
rinex_nav = glp.RinexNav("../data/brdc1370.20n")
rinex_nav
[3]:
sv_id SVclockBias SVclockDrift SVclockDriftRate IODE C_rs \
0 2 -0.000456 -6.139089e-12 0.0 72.0 20.21875
1 3 -0.000177 -1.216449e-11 0.0 44.0 -65.53125
2 2 -0.000457 -6.139089e-12 0.0 73.0 28.96875
3 3 -0.000177 -1.216449e-11 0.0 97.0 -68.84375
4 2 -0.000457 -6.139089e-12 0.0 74.0 24.06250
5 3 -0.000177 -1.216449e-11 0.0 99.0 -64.81250
deltaN M_0 C_uc e ... TGD IODC \
0 4.654837e-09 -2.635748 0.000001 0.019707 ... -1.769513e-08 72.0
1 4.572690e-09 2.367635 -0.000004 0.002803 ... 1.862645e-09 44.0
2 4.704839e-09 -1.585641 0.000002 0.019707 ... -1.769513e-08 73.0
3 4.666980e-09 -2.865143 -0.000004 0.002804 ... 1.862645e-09 97.0
4 4.844130e-09 -0.535517 0.000001 0.019707 ... -1.769513e-08 74.0
5 4.735197e-09 -1.815070 -0.000003 0.002804 ... 1.862645e-09 99.0
TransTime FitIntvl leap_seconds source t_oc \
0 511218.0 4.0 18 ../data/brdc1370.20n 518400.0
1 511218.0 4.0 18 ../data/brdc1370.20n 518400.0
2 518418.0 4.0 18 ../data/brdc1370.20n 525600.0
3 518418.0 4.0 18 ../data/brdc1370.20n 525600.0
4 525618.0 4.0 18 ../data/brdc1370.20n 532800.0
5 525618.0 4.0 18 ../data/brdc1370.20n 532800.0
gps_millis gnss_sv_id gnss_id
0 1.273622e+12 G02 gps
1 1.273622e+12 G03 gps
2 1.273630e+12 G02 gps
3 1.273630e+12 G03 gps
4 1.273637e+12 G02 gps
5 1.273637e+12 G03 gps
[36 rows x 6 columns]