PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/18-23:58:00
G01     248.7          36.2               11.2 +/-    0.75      17.4 +/-    0.75  0.040 / 0.050
G03     316.5          41.9                7.0 +/-    1.71       9.8 +/-    1.71  0.040 / 0.040
G11     240.1          11.6               11.2 +/-    3.94      30.1 +/-    3.94  0.130 / 0.370
G14     56.2           44.2                6.1 +/-    0.52       8.3 +/-    0.52  0.140 / 0.340
G22     306.0          63.8                7.0 +/-    1.26       7.7 +/-    1.26  0.050 / 0.100
G23     286.5          19.8                9.2 +/-    1.06      20.3 +/-    1.06  0.040 / 0.090
G25     41.1           10.6                4.8 +/-    2.83      13.3 +/-    2.83  0.080 / 0.110
G26     136.4          37.7               10.6 +/-    1.36      16.0 +/-    1.36  0.060 / 0.080
G31     42.1           57.9                6.9 +/-    0.40       8.0 +/-    0.40  0.080 / 0.080
G32     76.9           22.3                5.9 +/-    0.96      12.2 +/-    0.96  0.050 / 0.070