PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-15:58:00
G05     49.1           17.7                5.2 +/-    1.32      12.0 +/-    1.32  0.050 / 0.070
G10     237.6          14.6               10.9 +/-    4.27      27.4 +/-    4.27  0.050 / 0.060
G13     72.5           35.8                9.9 +/-    1.37      15.4 +/-    1.37  0.130 / 0.330
G15     125.1          53.5               11.5 +/-    0.73      13.9 +/-    0.73  0.130 / 0.360
G16     312.6          12.9                5.6 +/-    2.84      14.7 +/-    2.84  0.080 / 0.120
G20     250.3          38.7               12.1 +/-    1.87      18.1 +/-    1.87  0.080 / 0.120
G21     317.1          49.8                9.4 +/-    0.81      11.9 +/-    0.81  0.050 / 0.110
G26     286.5          19.7                7.8 +/-    1.23      17.2 +/-    1.23  0.080 / 0.110
G29     155.9          69.2               10.9 +/-    0.51      11.5 +/-    0.51  0.030 / 0.040