PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/14-02:42:40
G01     239.1          30.1                7.1 +/-    1.35      12.4 +/-    1.35  0.030 / 0.040
G03     313.4          51.8                3.3 +/-    1.08       4.1 +/-    1.08  0.040 / 0.040
G14     67.4           37.4                2.7 +/-    0.64       4.1 +/-    0.64  0.070 / 0.170
G16     156.9          27.2                5.5 +/-    1.15      10.2 +/-    1.15  0.070 / 0.140
G18     213.7          19.8                7.4 +/-    1.17      16.3 +/-    1.17  0.070 / 0.110
G22     288.0          71.7                5.3 +/-    0.95       5.6 +/-    0.95  0.070 / 0.080
G23     294.4          26.8                4.7 +/-    1.86       8.8 +/-    1.86  0.070 / 0.140
G26     126.0          45.3                7.7 +/-    0.79      10.3 +/-    0.79  0.070 / 0.130
G31     41.4           47.6                2.2 +/-    0.62       2.8 +/-    0.62  0.120 / 0.230
G32     84.6           17.0                3.7 +/-    1.27       8.8 +/-    1.27  0.140 / 0.260