PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/29-04:42:40
G03     207.3          51.1                7.0 +/-    0.53       8.7 +/-    0.53  0.110 / 0.190
G07     263.7          21.0                4.6 +/-    4.77       9.8 +/-    4.77  0.100 / 0.310
G09     316.5          40.8                4.6 +/-    1.16       6.5 +/-    1.16  0.070 / 0.120
G16     72.8           61.7                6.5 +/-    0.94       7.3 +/-    0.94  0.090 / 0.090
G22     187.0          34.3                6.2 +/-    0.93      10.0 +/-    0.93  0.220 / 0.360
G23     336.3          65.9                4.6 +/-    0.71       5.0 +/-    0.71  0.170 / 0.250
G26     48.0           36.3                5.1 +/-    1.60       7.9 +/-    1.60  0.040 / 0.040
G27     129.4          15.6                4.4 +/-    2.49      10.7 +/-    2.49  0.040 / 0.040