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                6.9 +/-    2.95      17.3 +/-    2.95  0.230 / 0.380
G03     280.8          68.5                5.7 +/-    0.41       6.1 +/-    0.41  0.230 / 0.450
G09     297.0          12.9                6.0 +/-    5.32      15.7 +/-    5.32  0.100 / 0.160
G14     89.3           22.0                4.2 +/-    0.91       8.9 +/-    0.91  0.120 / 0.200
G16     143.2          48.0                9.0 +/-    0.73      11.7 +/-    0.73  0.100 / 0.100
G22     212.7          68.3                6.9 +/-    0.41       7.4 +/-    0.41  0.070 / 0.070
G23     308.5          37.9                5.9 +/-    1.64       8.9 +/-    1.64  0.370 / 0.230
G26     93.0           54.9                6.4 +/-    0.64       7.6 +/-    0.64  0.170 / 0.170
G31     46.0           31.3                3.3 +/-    1.50       5.6 +/-    1.50  0.040 / 0.060