PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/28-02:27:50
G03     193.9          27.0                6.9 +/-    3.45      12.9 +/-    3.45  0.210 / 0.430
G07     285.2          34.7                4.8 +/-    1.11       7.7 +/-    1.11  0.220 / 0.410
G08     144.6          23.7                7.9 +/-    1.30      15.9 +/-    1.30  0.070 / 0.080
G09     320.8          57.0                4.4 +/-    0.67       5.2 +/-    0.67  0.040 / 0.090
G16     46.0           49.3                5.1 +/-    0.75       6.5 +/-    0.75  0.130 / 0.160
G22     179.4          12.2                6.4 +/-    2.07      17.1 +/-    2.07  0.110 / 0.160
G23     68.7           83.5                5.0 +/-    0.62       5.1 +/-    0.62  0.040 / 0.050
G26     43.1           19.0                4.0 +/-    2.46       9.1 +/-    2.46  0.050 / 0.060
G27     104.6          31.2                7.2 +/-    1.92      12.3 +/-    1.92  0.030 / 0.020