PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-00:27:50
G01     224.0          14.9                8.3 +/-    1.68      20.8 +/-    1.68  0.050 / 0.030
G03     280.8          68.5                5.3 +/-    0.69       5.7 +/-    0.69  0.050 / 0.050
G09     297.0          12.9                7.3 +/-    1.80      19.0 +/-    1.80  0.130 / 0.230
G14     89.3           22.0                4.6 +/-    1.33       9.7 +/-    1.33  0.270 / 0.260
G16     143.2          48.0                8.6 +/-    0.67      11.2 +/-    0.67  0.100 / 0.280
G22     212.7          68.3                6.5 +/-    0.76       7.0 +/-    0.76  0.110 / 0.280
G23     308.5          37.9                5.5 +/-    1.60       8.3 +/-    1.60  0.040 / 0.080
G26     93.0           54.9                6.2 +/-    0.32       7.4 +/-    0.32  0.040 / 0.080
G31     46.0           31.3                2.9 +/-    0.51       4.9 +/-    0.51  0.050 / 0.090