PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-07:13:10
G01     42.1           17.9                2.4 +/-    3.96       5.5 +/-    3.96  0.070 / 0.080
G06     174.5          34.6                6.3 +/-    1.58      10.1 +/-    1.58  0.060 / 0.080
G11     43.8           10.7                3.1 +/-    2.46       8.5 +/-    2.46  0.070 / 0.190
G13     240.0          25.7                7.9 +/-    1.97      15.2 +/-    1.97  0.080 / 0.280
G15     272.8          13.8                3.0 +/-    2.50       7.7 +/-    2.50  0.040 / 0.050
G17     351.7          74.1                7.3 +/-    0.43       7.6 +/-    0.43  0.040 / 0.050
G19     267.3          68.8                6.8 +/-    0.96       7.2 +/-    0.96  0.030 / 0.020
G24     317.9          14.1                2.6 +/-    1.94       6.5 +/-    1.94  0.030 / 0.030
G28     55.2           54.8                5.5 +/-    1.01       6.6 +/-    1.01  0.040 / 0.030
G30     154.4          35.5                8.2 +/-    0.98      12.9 +/-    0.98  0.040 / 0.030