PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-05:57:50
G03     234.1          67.5                4.8 +/-    0.55       5.2 +/-    0.55  0.050 / 0.050
G07     249.5          11.0               -6.1 +/-   13.14     -16.6 +/-   13.14  0.050 / 0.040
G09     304.3          19.5                3.4 +/-    1.23       7.6 +/-    1.23  0.130 / 0.430
G14     100.3          14.5                3.7 +/-    2.16       9.2 +/-    2.16  0.130 / 0.380
G16     120.9          59.6                5.4 +/-    0.42       6.1 +/-    0.42  0.100 / 0.300
G22     196.2          54.0                4.5 +/-    0.39       5.5 +/-    0.39  0.100 / 0.320
G23     323.5          53.4                4.5 +/-    0.74       5.4 +/-    0.74  0.040 / 0.040
G26     66.3           50.3                4.9 +/-    0.85       6.2 +/-    0.85  0.040 / 0.050
G31     53.8           16.6               -2.3 +/-    1.54      -5.6 +/-    1.54  0.110 / 0.160