PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-02:27:50
G01     253.2          36.3                4.7 +/-    0.84       7.2 +/-    0.84  0.060 / 0.110
G03     316.2          39.9                4.5 +/-    1.09       6.6 +/-    1.09  0.060 / 0.090
G11     237.6          13.9                6.1 +/-    1.39      15.6 +/-    1.39  0.120 / 0.290
G14     59.4           40.9                2.7 +/-    0.54       3.8 +/-    0.54  0.110 / 0.230
G16     167.0          14.3               -6.5 +/-   11.88     -16.3 +/-   11.88  0.060 / 0.110
G22     307.5          63.4                4.3 +/-    1.08       4.7 +/-    1.08  0.060 / 0.120
G23     284.5          16.8                6.5 +/-    2.65      15.4 +/-    2.65  0.020 / 0.040
G26     143.1          34.6                7.5 +/-    0.91      12.0 +/-    0.91  0.030 / 0.050
G31     40.6           64.5                2.2 +/-    0.49       2.4 +/-    0.49  0.030 / 0.050
G32     74.1           26.9                2.4 +/-    0.66       4.6 +/-    0.66  0.040 / 0.050