PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-02:27:50
G01     310.3          31.9                5.9 +/-    2.28      10.0 +/-    2.28  0.170 / 0.270
G10     101.4          41.5                6.9 +/-    0.83       9.8 +/-    0.83  0.130 / 0.230
G11     287.7          26.8                5.0 +/-    1.46       9.4 +/-    1.46  0.050 / 0.050
G14     341.3          69.3                6.0 +/-    0.69       6.4 +/-    0.69  0.060 / 0.040
G18     283.8          49.5               10.1 +/-    1.52      12.8 +/-    1.52  0.080 / 0.110
G20     117.8          17.2                6.2 +/-    0.94      14.7 +/-    0.94  0.070 / 0.110
G22     308.2          21.3                5.1 +/-    4.15      10.8 +/-    4.15  0.270 / 0.300
G25     87.9           14.8                6.1 +/-    2.03      15.2 +/-    2.03  0.170 / 0.260
G31     167.0          60.9               -1.6 +/-    0.78      -1.8 +/-    0.78  0.050 / 0.060
G32     30.4           56.2                5.2 +/-    1.19       6.1 +/-    1.19  0.040 / 0.060