PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/26-04:27:50
G07     341.0          61.1                4.2 +/-    0.52       4.7 +/-    0.52  0.080 / 0.120
G08     92.7           52.5                5.6 +/-    0.68       6.9 +/-    0.68  0.100 / 0.110
G09     180.7          67.1                4.8 +/-    0.54       5.1 +/-    0.54  0.040 / 0.040
G11     145.2          16.2                6.4 +/-    4.24      15.6 +/-    4.24  0.040 / 0.050
G23     156.8          37.2                6.5 +/-    0.86       9.9 +/-    0.86  0.050 / 0.040
G27     51.6           29.4                6.0 +/-    1.92      10.7 +/-    1.92  0.030 / 0.030
G28     238.1          25.3                5.1 +/-    2.02       9.9 +/-    2.02  0.330 / 0.380
G30     303.5          35.6                3.2 +/-    1.43       5.0 +/-    1.43  0.190 / 0.290