PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/07-10:58:10
G01     126.6          10.7              -10.7 +/-   33.46     -29.4 +/-   33.46  0.060 / 0.110
G07     58.1           68.2                3.8 +/-    0.53       4.1 +/-    0.53  0.070 / 0.080
G08     53.7           43.9                3.2 +/-    0.60       4.4 +/-    0.60  0.200 / 0.320
G09     178.3          37.8                6.0 +/-    0.54       9.1 +/-    0.54  0.190 / 0.270
G11     120.0          35.6                5.9 +/-    0.91       9.3 +/-    0.91  0.030 / 0.030
G13     320.9          11.9                0.3 +/-   10.99       0.9 +/-   10.99  0.030 / 0.040
G18     103.8          16.1                4.2 +/-    1.17      10.1 +/-    1.17  0.110 / 0.390
G28     268.1          47.1                6.2 +/-    0.74       8.1 +/-    0.74  0.120 / 0.360
G30     331.7          60.1                2.7 +/-    1.07       3.1 +/-    1.07  0.060 / 0.110