PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-00:12:50
G01     251.2          35.3                5.2 +/-    1.29       8.3 +/-    1.29  0.030 / 0.050
G03     315.9          42.4                3.9 +/-    2.15       5.5 +/-    2.15  0.030 / 0.040
G11     237.0          12.9                8.3 +/-    2.75      21.6 +/-    2.75  0.030 / 0.030
G14     60.8           40.2                4.0 +/-    0.94       5.8 +/-    0.94  0.030 / 0.050
G16     167.7          14.7               -3.2 +/-   18.28      -8.0 +/-   18.28  0.140 / 0.380
G22     305.6          64.9                3.0 +/-    1.17       3.3 +/-    1.17  0.120 / 0.430
G23     286.0          18.1                5.6 +/-    1.00      12.9 +/-    1.00  0.080 / 0.100
G26     140.6          36.5                8.8 +/-    0.96      13.6 +/-    0.96  0.070 / 0.090
G31     40.0           62.6                3.9 +/-    0.46       4.3 +/-    0.46  0.060 / 0.120
G32     76.3           24.7                5.2 +/-    0.67      10.2 +/-    0.67  0.060 / 0.120