PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/14-20:43:10
G01     319.0          18.5                8.1 +/-    1.09      18.6 +/-    1.09  0.140 / 0.210
G08     254.9          12.9                8.2 +/-    1.19      21.4 +/-    1.19  0.120 / 0.210
G10     81.0           52.3                8.8 +/-    0.59      10.8 +/-    0.59  0.040 / 0.060
G11     301.5          24.1                8.8 +/-    2.17      17.6 +/-    2.17  0.050 / 0.050
G14     299.4          71.0                9.4 +/-    0.76       9.9 +/-    0.76  0.150 / 0.320
G18     302.5          42.9                8.8 +/-    0.81      12.3 +/-    0.81  0.220 / 0.330
G20     105.9          28.6                8.5 +/-    1.12      15.4 +/-    1.12  0.110 / 0.230
G31     177.5          41.0               11.6 +/-    1.03      16.7 +/-    1.03  0.090 / 0.230
G32     8.5            67.1                9.2 +/-    0.82       9.9 +/-    0.82  0.050 / 0.090