PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/17-23:43:00
G01     256.3          37.4                8.1 +/-    2.04      12.2 +/-    2.04  0.040 / 0.050
G03     316.4          38.5                5.7 +/-    0.90       8.5 +/-    0.90  0.030 / 0.040
G11     240.6          15.2                7.7 +/-    5.32      19.1 +/-    5.32  0.070 / 0.080
G14     56.3           42.9                6.2 +/-    1.04       8.7 +/-    1.04  0.050 / 0.090
G22     309.6          61.0                5.9 +/-    0.94       6.7 +/-    0.94  0.020 / 0.030
G23     282.8          15.6                2.6 +/-    9.23       6.3 +/-    9.23  0.020 / 0.030
G25     42.4           11.9                5.9 +/-    1.43      15.8 +/-    1.43  0.150 / 0.250
G26     143.7          32.9                9.6 +/-    1.17      15.8 +/-    1.17  0.150 / 0.280
G31     42.0           66.8                6.3 +/-    0.47       6.7 +/-    0.47  0.070 / 0.080
G32     72.7           27.2                4.4 +/-    1.51       8.2 +/-    1.51  0.050 / 0.090