PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-08:43:10
G01     59.9           30.4                3.1 +/-    0.71       5.4 +/-    0.71  0.030 / 0.060
G06     182.3          12.8                4.3 +/-    2.32      11.4 +/-    2.32  0.030 / 0.060
G07     142.2          21.1                6.3 +/-    1.51      13.5 +/-    1.51  0.050 / 0.140
G11     48.2           22.9                2.5 +/-    0.84       5.2 +/-    0.84  0.040 / 0.120
G13     264.3          34.9                5.6 +/-    1.07       8.9 +/-    1.07  0.090 / 0.230
G15     293.7          16.6                1.9 +/-    1.98       4.5 +/-    1.98  0.080 / 0.260
G17     265.5          78.0                5.9 +/-    0.44       6.0 +/-    0.44  0.020 / 0.040
G19     233.4          52.6                7.3 +/-    1.45       8.9 +/-    1.45  0.030 / 0.030
G28     37.1           56.2                3.1 +/-    0.58       3.7 +/-    0.58  0.120 / 0.280
G30     143.3          51.8                6.5 +/-    1.46       8.0 +/-    1.46  0.080 / 0.360