PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/02-06:57:30
G03     234.4          67.9                5.7 +/-    1.23       6.1 +/-    1.23  0.050 / 0.070
G07     249.2          11.0               -0.1 +/-   20.58      -0.3 +/-   20.58  0.050 / 0.060
G09     303.8          18.7                4.0 +/-    0.82       9.1 +/-    0.82  0.040 / 0.050
G14     100.0          14.5                3.6 +/-    1.08       9.1 +/-    1.08  0.040 / 0.060
G16     122.9          59.2                6.0 +/-    0.34       6.9 +/-    0.34  0.110 / 0.290
G22     196.0          54.4                6.8 +/-    1.05       8.2 +/-    1.05  0.110 / 0.360
G23     323.7          53.5                6.3 +/-    0.83       7.6 +/-    0.83  0.110 / 0.370
G26     67.4           50.7                6.6 +/-    0.69       8.3 +/-    0.69  0.080 / 0.390
G31     53.5           17.1                2.0 +/-    0.98       4.8 +/-    0.98  0.050 / 0.050