PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/30-16:12:40
G02     242.4          73.7                8.3 +/-    0.42       8.6 +/-    0.42  0.160 / 0.290
G05     171.9          16.9               10.7 +/-    1.91      25.5 +/-    1.91  0.180 / 0.380
G06     40.8           54.3                7.8 +/-    0.57       9.3 +/-    0.57  0.100 / 0.110
G12     323.1          59.1                6.9 +/-    0.67       7.9 +/-    0.67  0.090 / 0.110
G17     73.1           19.6                7.8 +/-    1.52      17.3 +/-    1.52  0.050 / 0.040
G19     55.5           40.9                7.8 +/-    1.07      11.1 +/-    1.07  0.030 / 0.040
G24     241.3          33.7               10.9 +/-    2.92      17.8 +/-    2.92  0.120 / 0.410
G25     316.9          14.6                3.1 +/-    1.56       7.8 +/-    1.56  0.150 / 0.340