PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/26-02:28:10
G01     287.2          40.7               -3.4 +/-    1.28      -4.8 +/-    1.28  0.110 / 0.110
G03     312.5          17.2                3.4 +/-    2.24       7.9 +/-    2.24  0.100 / 0.080
G10     121.6          27.6                6.1 +/-    1.13      11.3 +/-    1.13  0.070 / 0.100
G11     260.7          26.0                5.3 +/-    3.08      10.1 +/-    3.08  0.040 / 0.060
G14     30.1           56.2                1.7 +/-    0.97       2.0 +/-    0.97  0.040 / 0.070
G22     314.0          40.0                2.1 +/-    0.89       3.0 +/-    0.89  0.050 / 0.080
G25     61.6           17.8                4.6 +/-    1.04      10.7 +/-    1.04  0.030 / 0.020
G26     158.1          13.5               10.0 +/-    2.10      25.7 +/-    2.10  0.030 / 0.020
G31     131.4          80.3                1.8 +/-    0.46       1.8 +/-    0.46  0.060 / 0.120
G32     51.0           42.9                3.1 +/-    0.90       4.3 +/-    0.90  0.060 / 0.110