PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/09-07:13:00
G01     82.3           33.0                4.6 +/-    0.74       7.6 +/-    0.74  0.040 / 0.070
G07     131.1          38.1                7.1 +/-    0.57      10.7 +/-    0.57  0.030 / 0.070
G11     60.1           35.6                3.1 +/-    0.56       4.9 +/-    0.56  0.030 / 0.030
G13     286.3          37.9                3.8 +/-    1.22       5.7 +/-    1.22  0.030 / 0.030
G15     312.7          10.9               -0.5 +/-   13.08      -1.3 +/-   13.08  0.090 / 0.130
G17     219.7          62.8                6.6 +/-    0.74       7.3 +/-    0.74  0.090 / 0.120
G18     55.1           20.7                2.4 +/-    0.92       5.1 +/-    0.92  0.100 / 0.260
G19     217.9          30.1                5.9 +/-    3.09      10.3 +/-    3.09  0.090 / 0.310
G28     358.5          61.4                3.1 +/-    0.75       3.4 +/-    0.75  0.070 / 0.120
G30     120.5          72.7                6.4 +/-    1.20       6.7 +/-    1.20  0.070 / 0.110