PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/08-04:27:40
G03     232.2          65.3                5.6 +/-    0.97       6.1 +/-    0.97  0.050 / 0.060
G07     251.4          11.5                4.0 +/-    2.68      10.8 +/-    2.68  0.050 / 0.070
G09     306.7          23.3                2.9 +/-    1.29       6.0 +/-    1.29  0.070 / 0.130
G14     104.1          10.0                3.9 +/-    3.20      10.9 +/-    3.20  0.100 / 0.160
G16     126.2          62.1                8.7 +/-    0.88       9.7 +/-    0.88  0.090 / 0.470
G22     193.0          51.3                7.2 +/-    0.96       9.0 +/-    0.96  0.070 / 0.350
G23     321.7          51.4                5.8 +/-    1.42       7.1 +/-    1.42  0.100 / 0.610
G26     66.9           52.7                5.3 +/-    0.38       6.5 +/-    0.38  0.090 / 0.350
G31     53.6           19.1                2.5 +/-    1.10       5.6 +/-    1.10  0.090 / 0.150