PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/13-10:42:10
G02     224.6          66.3                4.3 +/-    1.47       4.6 +/-    1.47  0.080 / 0.090
G06     45.4           67.7                3.7 +/-    0.32       4.0 +/-    0.32  0.090 / 0.090
G12     320.6          43.8                4.0 +/-    1.22       5.4 +/-    1.22  0.050 / 0.050
G17     65.0           25.4                2.8 +/-    1.08       5.3 +/-    1.08  0.040 / 0.050
G19     44.9           46.6                2.1 +/-    0.77       2.7 +/-    0.77  0.030 / 0.020
G24     250.0          39.2                5.6 +/-    0.92       8.3 +/-    0.92  0.020 / 0.030