PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/28-05:12:30
G03     234.8          67.6                5.1 +/-    0.37       5.5 +/-    0.37  0.120 / 0.390
G09     304.4          19.8                3.1 +/-    1.31       6.9 +/-    1.31  0.200 / 0.380
G14     100.2          14.8                3.9 +/-    1.93       9.7 +/-    1.93  0.110 / 0.290
G16     120.4          59.6                6.2 +/-    0.60       7.1 +/-    0.60  0.110 / 0.250
G22     196.5          54.1                5.7 +/-    1.33       6.8 +/-    1.33  0.040 / 0.050
G23     323.0          52.9                4.6 +/-    0.64       5.6 +/-    0.64  0.040 / 0.060
G26     66.2           50.2                5.2 +/-    0.59       6.5 +/-    0.59  0.040 / 0.050
G31     53.8           16.6                2.6 +/-    1.21       6.3 +/-    1.21  0.040 / 0.050