PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/12-22:12:50
G01     99.3           28.7               12.7 +/-    1.02      22.8 +/-    1.02  0.040 / 0.050
G07     118.2          47.8               12.8 +/-    0.41      16.6 +/-    0.41  0.040 / 0.050
G08     41.5           12.8                7.6 +/-    2.31      19.8 +/-    2.31  0.150 / 0.300
G11     77.0           41.9               11.3 +/-    1.35      16.0 +/-    1.35  0.220 / 0.430
G13     303.0          33.3                9.5 +/-    2.92      15.6 +/-    2.92  0.060 / 0.140
G17     208.0          46.8               14.3 +/-    0.57      18.8 +/-    0.57  0.050 / 0.110
G18     69.4           23.6                9.3 +/-    1.45      18.8 +/-    1.45  0.050 / 0.050
G19     210.8          19.1               12.0 +/-    9.93      26.9 +/-    9.93  0.050 / 0.050
G28     324.2          60.9               10.5 +/-    0.96      11.8 +/-    0.96  0.100 / 0.190
G30     65.1           79.7               11.6 +/-    0.32      11.8 +/-    0.32  0.110 / 0.310