PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/09-02:12:40
G01     319.0          17.5                6.7 +/-    1.23      15.7 +/-    1.23  0.040 / 0.030
G08     256.4          13.5                3.9 +/-    3.27      10.1 +/-    3.27  0.040 / 0.030
G10     77.7           54.5                3.3 +/-    0.94       4.0 +/-    0.94  0.140 / 0.270
G11     302.4          24.3                6.0 +/-    0.83      12.0 +/-    0.83  0.210 / 0.210
G14     299.5          71.3                5.3 +/-    0.47       5.5 +/-    0.47  0.040 / 0.040
G18     100.9          30.1                3.7 +/-    1.01       6.4 +/-    1.01  0.040 / 0.050
G31     177.7          39.8                4.1 +/-    0.83       5.9 +/-    0.83  0.050 / 0.060
G32     359.5          69.2                5.4 +/-    0.43       5.7 +/-    0.43  0.040 / 0.070