PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/30-05:58:10
G07     331.0          57.7                5.0 +/-    0.56       5.8 +/-    0.56  0.040 / 0.050
G08     107.1          50.9                8.2 +/-    0.82      10.2 +/-    0.82  0.030 / 0.040
G09     190.6          75.9                6.7 +/-    0.67       6.9 +/-    0.67  0.060 / 0.070
G11     149.0          11.8                4.5 +/-    3.96      12.2 +/-    3.96  0.050 / 0.080
G23     154.1          43.8                6.8 +/-    0.85       9.3 +/-    0.85  0.030 / 0.020
G27     58.4           33.2                6.2 +/-    1.42      10.2 +/-    1.42  0.030 / 0.020
G28     233.2          20.1                5.4 +/-    1.62      11.8 +/-    1.62  0.170 / 0.110
G30     298.5          31.6                5.1 +/-    2.66       8.6 +/-    2.66  0.100 / 0.110