PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/07-02:27:50
G01     319.7          17.2               -6.2 +/-   31.41     -14.5 +/-   31.41  0.250 / 0.330
G08     263.7          14.7                8.5 +/-    1.94      21.3 +/-    1.94  0.240 / 0.290
G10     76.9           53.0               12.0 +/-    0.68      14.6 +/-    0.68  0.140 / 0.280
G11     305.9          21.1                6.1 +/-    2.28      13.0 +/-    2.28  0.250 / 0.200
G14     285.5          69.5                8.7 +/-    0.74       9.3 +/-    0.74  0.040 / 0.050
G18     306.7          39.3                7.2 +/-    2.21      10.6 +/-    2.21  0.040 / 0.050
G20     103.4          30.9                6.9 +/-    0.94      11.8 +/-    0.94  0.070 / 0.080
G27     226.1          10.8               10.8 +/-    1.93      29.6 +/-    1.93  0.080 / 0.100
G31     175.1          40.3                9.6 +/-    1.08      14.0 +/-    1.08  0.140 / 0.320
G32     0.3            69.8                7.2 +/-    0.79       7.6 +/-    0.79  0.100 / 0.280