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 +/-    0.73       5.1 +/-    0.73  0.120 / 0.310
G07     249.5          11.0                0.9 +/-   19.22       2.6 +/-   19.22  0.120 / 0.320
G09     304.3          19.5                4.3 +/-    1.51       9.7 +/-    1.51  0.050 / 0.050
G14     100.3          14.5                3.4 +/-    1.07       8.5 +/-    1.07  0.050 / 0.060
G16     120.9          59.6                5.7 +/-    0.43       6.5 +/-    0.43  0.040 / 0.060
G22     196.2          54.0                3.8 +/-    1.14       4.6 +/-    1.14  0.040 / 0.050
G23     323.5          53.4                5.4 +/-    0.53       6.5 +/-    0.53  0.070 / 0.330
G26     66.3           50.3                4.9 +/-    0.56       6.2 +/-    0.56  0.080 / 0.440
G31     53.8           16.6               -2.4 +/-    1.29      -5.8 +/-    1.29  0.040 / 0.060