PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/18-03:12:50
G01     313.8          27.1                5.3 +/-    1.70       9.8 +/-    1.70  0.080 / 0.160
G10     96.0           46.0                6.0 +/-    0.94       8.0 +/-    0.94  0.090 / 0.150
G11     290.7          27.5                7.0 +/-    1.24      12.9 +/-    1.24  0.110 / 0.170
G14     330.1          70.2                6.0 +/-    0.66       6.3 +/-    0.66  0.080 / 0.140
G18     290.9          47.4                3.8 +/-    8.64       5.0 +/-    8.64  0.070 / 0.130
G20     102.4          52.7               21.0 +/-    1.44      25.6 +/-    1.44  0.100 / 0.210
G22     306.1          18.1                4.7 +/-    2.59      10.8 +/-    2.59  0.050 / 0.040
G25     90.0           13.3                4.1 +/-    2.65      10.7 +/-    2.65  0.050 / 0.040
G31     169.3          56.8                7.5 +/-    0.99       8.8 +/-    0.99  0.160 / 0.310
G32     28.3           57.5                5.1 +/-    1.08       5.9 +/-    1.08  0.150 / 0.300