PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/03-09:12:50
G01     124.8          12.0                3.9 +/-    2.24      10.3 +/-    2.24  0.030 / 0.040
G07     61.8           68.2                4.9 +/-    0.58       5.2 +/-    0.58  0.030 / 0.040
G08     51.6           41.8                3.0 +/-    1.08       4.3 +/-    1.08  0.110 / 0.260
G09     177.5          35.0                5.7 +/-    0.91       9.1 +/-    0.91  0.090 / 0.320
G11     118.5          36.8                5.4 +/-    0.73       8.3 +/-    0.73  0.030 / 0.030
G13     320.4          13.7                3.2 +/-    2.57       8.2 +/-    2.57  0.030 / 0.040
G17     200.4          13.1                2.1 +/-    3.71       5.3 +/-    3.71  0.120 / 0.430
G18     102.0          17.1                5.1 +/-    1.43      11.9 +/-    1.43  0.080 / 0.300
G28     270.3          47.9                5.5 +/-    1.58       7.2 +/-    1.58  0.110 / 0.300
G30     332.3          60.7                4.6 +/-    0.94       5.2 +/-    0.94  0.110 / 0.230