PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-08:43:10
G01     66.1           32.1                6.6 +/-    0.75      11.1 +/-    0.75  0.030 / 0.060
G07     139.5          26.2                8.8 +/-    1.80      16.7 +/-    1.80  0.050 / 0.050
G11     51.1           27.1                5.5 +/-    1.31      10.2 +/-    1.31  0.030 / 0.030
G13     271.3          36.4                8.6 +/-    1.74      13.3 +/-    1.74  0.030 / 0.040
G15     299.0          16.1                6.1 +/-    3.62      14.8 +/-    3.62  0.100 / 0.330
G17     244.5          74.3                9.9 +/-    0.69      10.2 +/-    0.69  0.130 / 0.310
G19     227.8          47.4               10.1 +/-    2.12      13.2 +/-    2.12  0.050 / 0.100
G28     27.7           57.9                6.2 +/-    0.77       7.2 +/-    0.77  0.050 / 0.100
G30     138.8          57.6                8.7 +/-    0.65      10.1 +/-    0.65  0.040 / 0.070