PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/05-09:27:50
G01     51.4           26.2                3.3 +/-    1.25       6.2 +/-    1.25  0.040 / 0.060
G06     180.2          21.2                4.2 +/-    1.54       9.0 +/-    1.54  0.040 / 0.070
G07     145.6          12.8                4.0 +/-    3.78      10.6 +/-    3.78  0.020 / 0.030
G11     44.9           15.6                0.5 +/-    2.61       1.2 +/-    2.61  0.030 / 0.030
G13     254.1          31.1                6.1 +/-    2.07      10.4 +/-    2.07  0.140 / 0.340
G15     285.3          16.2                4.0 +/-    1.42       9.7 +/-    1.42  0.120 / 0.410
G17     316.3          79.2                4.2 +/-    0.74       4.2 +/-    0.74  0.100 / 0.360
G19     245.5          60.4                6.5 +/-    1.07       7.4 +/-    1.07  0.080 / 0.270
G28     51.0           53.1                2.2 +/-    0.35       2.7 +/-    0.35  0.080 / 0.190
G30     148.6          43.0                5.7 +/-    1.31       7.9 +/-    1.31  0.080 / 0.150