PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/04-05:12:50
G01     223.4          14.3                5.0 +/-    2.27      12.8 +/-    2.27  0.040 / 0.040
G03     281.2          67.7                5.0 +/-    1.08       5.4 +/-    1.08  0.040 / 0.040
G09     297.5          13.0                4.6 +/-    2.27      12.1 +/-    2.27  0.120 / 0.170
G14     89.9           22.1                2.5 +/-    2.32       5.2 +/-    2.32  0.110 / 0.190
G16     138.2          50.1                5.3 +/-    0.66       6.6 +/-    0.66  0.070 / 0.100
G22     213.4          67.9                6.5 +/-    0.83       7.0 +/-    0.83  0.050 / 0.080
G23     309.5          39.0                3.6 +/-    1.17       5.3 +/-    1.17  0.230 / 0.270
G26     85.9           53.4                5.3 +/-    1.15       6.4 +/-    1.15  0.210 / 0.360
G31     47.5           26.7                1.8 +/-    1.77       3.5 +/-    1.77  0.050 / 0.070