PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-02:57:30
G05     52.1           9.5                 4.7 +/-    1.71      13.3 +/-    1.71  0.090 / 0.270
G10     241.6          18.4               12.0 +/-    2.98      27.4 +/-    2.98  0.080 / 0.270
G13     65.7           35.0                9.4 +/-    1.51      14.9 +/-    1.51  0.040 / 0.050
G15     111.2          56.5                9.6 +/-    0.37      11.3 +/-    0.37  0.030 / 0.050
G16     305.9          15.1                6.3 +/-    2.84      15.5 +/-    2.84  0.310 / 0.330
G20     260.1          50.4               11.4 +/-    2.64      14.3 +/-    2.64  0.220 / 0.300
G21     320.4          51.8                9.8 +/-    0.81      12.1 +/-    0.81  0.060 / 0.100
G26     277.6          19.4                9.3 +/-    1.12      20.7 +/-    1.12  0.070 / 0.100
G29     161.3          63.9                9.2 +/-    0.65      10.2 +/-    0.65  0.030 / 0.030