PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/29-02:57:40
G03     241.6          68.5                5.0 +/-    0.77       5.3 +/-    0.77  0.110 / 0.250
G09     303.7          19.5                3.8 +/-    1.36       8.5 +/-    1.36  0.110 / 0.240
G14     98.3           16.8                3.9 +/-    1.54       9.2 +/-    1.54  0.040 / 0.050
G16     122.8          58.5                6.5 +/-    0.61       7.5 +/-    0.61  0.040 / 0.040
G22     198.6          56.2                5.6 +/-    0.67       6.6 +/-    0.67  0.100 / 0.190
G23     320.4          50.4                5.3 +/-    0.91       6.7 +/-    0.91  0.110 / 0.240
G26     68.7           51.0                4.3 +/-    0.79       5.4 +/-    0.79  0.050 / 0.050
G31     52.8           18.1                2.7 +/-    2.98       6.1 +/-    2.98  0.040 / 0.050