PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/07-02:42:40
G01     317.3          22.9                4.0 +/-    0.84       8.2 +/-    0.84  0.160 / 0.340
G08     257.8          11.4                7.5 +/-    6.23      20.4 +/-    6.23  0.190 / 0.260
G10     86.8           49.1                7.5 +/-    0.83       9.6 +/-    0.83  0.050 / 0.060
G11     299.7          24.1                6.9 +/-    1.43      13.7 +/-    1.43  0.040 / 0.070
G14     306.4          71.0                7.1 +/-    1.20       7.5 +/-    1.20  0.080 / 0.190
G18     300.0          44.0                7.5 +/-    0.87      10.2 +/-    0.87  0.090 / 0.190
G20     109.1          26.0                8.2 +/-    0.73      15.6 +/-    0.73  0.210 / 0.400
G22     303.0          12.7                5.3 +/-    2.34      13.9 +/-    2.34  0.190 / 0.480
G31     173.0          47.8                7.8 +/-    1.04      10.1 +/-    1.04  0.040 / 0.050
G32     13.6           65.0                5.3 +/-    0.69       5.8 +/-    0.69  0.050 / 0.040