PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/05-11:42:50
G02     210.9          54.4                5.9 +/-    0.82       7.1 +/-    0.82  0.100 / 0.470
G06     98.9           81.0                5.3 +/-    0.46       5.3 +/-    0.46  0.120 / 0.360
G12     316.2          29.2                4.3 +/-    1.87       7.7 +/-    1.87  0.030 / 0.070
G17     53.7           34.8                2.3 +/-    0.80       3.7 +/-    0.80  0.040 / 0.080
G19     34.1           52.1                3.5 +/-    0.44       4.3 +/-    0.44  0.070 / 0.130
G24     276.3          42.0                4.3 +/-    1.22       6.1 +/-    1.22  0.080 / 0.110
G28     118.7          17.6                5.5 +/-    1.17      12.8 +/-    1.17  0.060 / 0.080