PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/15-05:28:00
G01     249.2          34.5                5.8 +/-    1.51       9.3 +/-    1.51  0.040 / 0.050
G03     315.7          43.7                4.2 +/-    2.13       5.8 +/-    2.13  0.040 / 0.040
G11     235.0          11.1                4.4 +/-    1.58      11.9 +/-    1.58  0.080 / 0.120
G14     61.0           40.8                4.3 +/-    1.00       6.2 +/-    1.00  0.070 / 0.120
G18     219.2          26.1                5.6 +/-    2.90      10.8 +/-    2.90  0.050 / 0.090
G22     302.6          66.8                3.7 +/-    0.36       3.9 +/-    0.36  0.050 / 0.090
G23     287.8          20.1                4.7 +/-    1.81      10.3 +/-    1.81  0.130 / 0.290
G26     131.7          40.1                5.9 +/-    0.86       8.6 +/-    0.86  0.090 / 0.270
G31     41.2           54.3                3.9 +/-    0.76       4.7 +/-    0.76  0.120 / 0.370
G32     79.6           20.2                4.1 +/-    1.23       9.0 +/-    1.23  0.110 / 0.360