PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/17-02:27:50
G01     240.3          30.9                7.7 +/-    1.66      13.2 +/-    1.66  0.040 / 0.040
G03     314.0          50.5                3.8 +/-    0.87       4.7 +/-    0.87  0.040 / 0.040
G14     66.1           38.2                1.7 +/-    0.83       2.5 +/-    0.83  0.090 / 0.120
G16     157.5          26.0                4.2 +/-    1.40       8.1 +/-    1.40  0.080 / 0.120
G18     214.5          20.8                6.7 +/-    1.33      14.5 +/-    1.33  0.060 / 0.110
G22     291.3          70.8                3.8 +/-    1.00       4.0 +/-    1.00  0.060 / 0.110
G23     293.4          25.9                6.0 +/-    1.52      11.5 +/-    1.52  0.140 / 0.180
G26     127.5          44.4                5.5 +/-    1.19       7.4 +/-    1.19  0.090 / 0.170
G31     41.4           48.8                0.6 +/-    0.82       0.8 +/-    0.82  0.080 / 0.190
G32     83.7           17.7                2.8 +/-    0.95       6.6 +/-    0.95  0.090 / 0.180