PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/19-12:28:10
G01     93.5           30.9                4.1 +/-    0.94       7.1 +/-    0.94  0.030 / 0.040
G07     122.8          47.8                3.3 +/-    0.98       4.3 +/-    0.98  0.030 / 0.040
G11     70.6           40.0                4.1 +/-    0.36       6.0 +/-    0.36  0.040 / 0.050
G13     297.5          35.3                3.9 +/-    2.09       6.1 +/-    2.09  0.040 / 0.050
G17     212.0          52.3                7.3 +/-    1.22       8.9 +/-    1.22  0.070 / 0.130
G18     66.1           24.0                3.8 +/-    1.15       7.5 +/-    1.15  0.080 / 0.120
G19     213.7          21.1                4.8 +/-    2.37      10.2 +/-    2.37  0.060 / 0.130
G28     342.8          61.9                2.1 +/-    0.98       2.3 +/-    0.98  0.060 / 0.120
G30     86.7           79.3                3.4 +/-    0.63       3.4 +/-    0.63  0.070 / 0.160