PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/17-00:57:40
G01     226.5          17.2                5.8 +/-    3.13      13.6 +/-    3.13  0.030 / 0.040
G03     289.3          66.5                3.1 +/-    0.69       3.4 +/-    0.69  0.030 / 0.030
G14     86.9           23.6                5.0 +/-    1.20      10.2 +/-    1.20  0.120 / 0.300
G16     153.8          42.0               10.7 +/-    0.51      15.0 +/-    0.51  0.100 / 0.270
G22     220.2          71.3                5.0 +/-    1.14       5.2 +/-    1.14  0.040 / 0.090
G23     306.4          36.0                3.5 +/-    1.45       5.4 +/-    1.45  0.050 / 0.080
G26     104.0          55.0                6.1 +/-    0.86       7.2 +/-    0.86  0.040 / 0.080
G31     43.9           35.8                1.3 +/-    1.08       2.1 +/-    1.08  0.050 / 0.080