PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-17:43:10
G02     34.9           53.9                8.5 +/-    0.48      10.2 +/-    0.48  0.090 / 0.350
G05     130.3          66.1                9.3 +/-    0.46      10.1 +/-    0.46  0.080 / 0.300
G06     57.5           9.7                 8.3 +/-    1.08      23.3 +/-    1.08  0.030 / 0.040
G12     185.5          57.5               10.9 +/-    1.45      12.7 +/-    1.45  0.030 / 0.040
G19     103.0          9.6                 8.4 +/-    1.05      23.7 +/-    1.05  0.040 / 0.060
G25     286.2          57.4                8.9 +/-    1.05      10.4 +/-    1.05  0.050 / 0.060
G29     310.3          30.7                7.0 +/-    0.90      12.0 +/-    0.90  0.030 / 0.050