PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/22-02:43:10
G08     274.6          21.4               10.0 +/-    1.15      21.3 +/-    1.15  0.020 / 0.020
G10     41.0           62.0                8.4 +/-    0.67       9.4 +/-    0.67  0.020 / 0.010
G11     315.5          12.9                5.8 +/-   11.53      15.2 +/-   11.53  0.130 / 0.190
G14     250.9          61.7               10.9 +/-    0.89      12.2 +/-    0.89  0.120 / 0.160
G18     81.7           42.9                9.1 +/-    0.96      12.6 +/-    0.96  0.130 / 0.210
G21     152.1          23.8               10.1 +/-    2.57      20.4 +/-    2.57  0.130 / 0.330
G24     44.9           17.8                8.3 +/-    2.45      19.2 +/-    2.45  0.080 / 0.140
G27     237.5          21.6               10.8 +/-    1.68      22.9 +/-    1.68  0.160 / 0.140
G31     180.7          20.4               10.9 +/-    1.32      23.9 +/-    1.32  0.030 / 0.050
G32     293.7          75.2                9.9 +/-    0.37      10.2 +/-    0.37  0.040 / 0.050