PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-23:27:50
G01     233.1          23.6                8.8 +/-    1.83      17.7 +/-    1.83  0.070 / 0.150
G03     305.0          60.3                5.9 +/-    1.26       6.7 +/-    1.26  0.120 / 0.230
G14     78.4           29.4                7.2 +/-    1.58      12.7 +/-    1.58  0.150 / 0.210
G16     153.1          35.8                7.4 +/-    1.72      11.5 +/-    1.72  0.210 / 0.170
G22     251.4          75.0                7.4 +/-    0.45       7.7 +/-    0.45  0.030 / 0.030
G23     299.6          29.4                7.6 +/-    1.52      13.4 +/-    1.52  0.040 / 0.030
G26     115.5          51.1                7.4 +/-    0.67       9.2 +/-    0.67  0.090 / 0.110
G31     41.8           42.6                6.0 +/-    1.28       8.4 +/-    1.28  0.050 / 0.090
G32     92.2           11.7                6.1 +/-    1.90      16.5 +/-    1.90  0.050 / 0.030