PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-02:28:00
G01     317.0          23.4                5.9 +/-    1.66      12.1 +/-    1.66  0.130 / 0.260
G08     257.4          11.1                7.8 +/-    7.08      21.1 +/-    7.08  0.140 / 0.330
G10     87.7           48.7                8.5 +/-    0.90      10.9 +/-    0.90  0.170 / 0.150
G11     299.2          24.3                6.5 +/-    1.42      12.9 +/-    1.42  0.110 / 0.140
G14     308.0          71.0                7.8 +/-    0.69       8.2 +/-    0.69  0.050 / 0.050
G18     299.3          44.4                7.3 +/-    4.17       9.9 +/-    4.17  0.040 / 0.040
G20     109.6          25.5                7.4 +/-    1.71      14.4 +/-    1.71  0.060 / 0.080
G22     303.3          13.1                6.8 +/-    1.79      17.6 +/-    1.79  0.070 / 0.100
G31     172.8          48.5               10.2 +/-    1.28      13.1 +/-    1.28  0.030 / 0.020
G32     14.9           64.5                6.7 +/-    0.57       7.3 +/-    0.57  0.030 / 0.020