PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/15-02:13:10
G01     313.9          26.6                8.3 +/-    2.54      15.6 +/-    2.54  0.090 / 0.150
G10     94.4           47.6                8.8 +/-    0.71      11.5 +/-    0.71  0.070 / 0.160
G11     291.0          28.2                6.9 +/-    1.71      12.5 +/-    1.71  0.030 / 0.040
G14     336.6          70.3               10.6 +/-    0.78      11.2 +/-    0.78  0.030 / 0.040
G18     110.3          21.8                8.9 +/-    1.83      18.8 +/-    1.83  0.110 / 0.170
G22     305.5          17.9                6.8 +/-    0.96      15.7 +/-    0.96  0.110 / 0.170
G25     88.4           13.0                8.7 +/-    1.17      22.7 +/-    1.17  0.030 / 0.040
G31     175.2          52.4               13.7 +/-    1.28      16.8 +/-    1.28  0.030 / 0.050
G32     20.2           61.5                8.4 +/-    0.52       9.4 +/-    0.52  0.310 / 0.400