PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/12-10:42:40
G01     97.4           29.7                6.2 +/-    1.01      11.0 +/-    1.01  0.050 / 0.030
G07     119.3          50.3                7.2 +/-    0.42       9.1 +/-    0.42  0.040 / 0.030
G08     41.7           11.1                3.3 +/-    2.56       9.0 +/-    2.56  0.070 / 0.120
G11     74.9           41.3                6.1 +/-    1.12       8.7 +/-    1.12  0.070 / 0.110
G13     301.1          33.9                3.6 +/-    1.64       5.8 +/-    1.64  0.050 / 0.150
G17     209.8          48.7                7.6 +/-    0.70       9.7 +/-    0.70  0.050 / 0.110
G18     69.1           24.2                5.2 +/-    0.63      10.4 +/-    0.63  0.050 / 0.060
G19     212.5          17.1                6.4 +/-    2.46      15.1 +/-    2.46  0.040 / 0.060
G28     334.5          61.8                5.3 +/-    0.49       5.9 +/-    0.49  0.040 / 0.040
G30     67.2           80.4                5.7 +/-    0.92       5.8 +/-    0.92  0.030 / 0.050