PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/19-03:43:00
G03     236.1          67.6                7.4 +/-    1.84       8.0 +/-    1.84  0.040 / 0.070
G07     249.3          10.2               -5.6 +/-   18.84     -15.4 +/-   18.84  0.050 / 0.050
G09     304.6          20.5                5.1 +/-    1.30      11.1 +/-    1.30  0.090 / 0.060
G14     99.9           15.4                4.4 +/-    1.99      10.8 +/-    1.99  0.100 / 0.290
G16     119.5          59.6                7.1 +/-    0.55       8.1 +/-    0.55  0.100 / 0.270
G22     197.0          54.3                6.9 +/-    2.16       8.3 +/-    2.16  0.110 / 0.230
G23     322.2          52.2                6.7 +/-    1.24       8.2 +/-    1.24  0.040 / 0.070
G26     66.0           50.1                5.7 +/-    0.79       7.2 +/-    0.79  0.050 / 0.070
G31     53.8           16.7                3.0 +/-    1.51       7.0 +/-    1.51  0.120 / 0.260