PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-02:13:10
G01     318.8          19.7                6.6 +/-    1.73      14.7 +/-    1.73  0.040 / 0.050
G08     261.4          13.3                9.8 +/-    1.21      25.4 +/-    1.21  0.040 / 0.060
G10     81.4           51.4                8.5 +/-    0.88      10.6 +/-    0.88  0.110 / 0.260
G11     303.4          22.4                5.8 +/-    2.00      12.1 +/-    2.00  0.110 / 0.330
G14     293.8          70.3                8.2 +/-    0.42       8.7 +/-    0.42  0.040 / 0.040
G18     304.1          41.4                7.9 +/-    1.23      11.3 +/-    1.23  0.040 / 0.050
G20     106.0          28.7                7.5 +/-    1.82      13.5 +/-    1.82  0.190 / 0.310
G31     174.2          43.5                9.0 +/-    0.69      12.3 +/-    0.69  0.200 / 0.250
G32     6.9            67.7                7.6 +/-    0.89       8.1 +/-    0.89  0.070 / 0.270