PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-03:12:50
G01     225.3          17.8                4.6 +/-    1.95      10.7 +/-    1.95  0.130 / 0.210
G03     292.5          66.4                5.3 +/-    0.76       5.7 +/-    0.76  0.120 / 0.250
G14     83.8           27.1                3.9 +/-    1.86       7.3 +/-    1.86  0.090 / 0.150
G16     145.5          43.8                6.3 +/-    0.82       8.6 +/-    0.82  0.090 / 0.130
G22     225.8          71.6                6.5 +/-    0.51       6.8 +/-    0.51  0.050 / 0.030
G23     307.4          38.1                4.3 +/-    1.70       6.5 +/-    1.70  0.040 / 0.040
G26     99.1           53.7                4.7 +/-    1.22       5.7 +/-    1.22  0.040 / 0.080
G31     45.4           31.8                3.9 +/-    1.35       6.7 +/-    1.35  0.040 / 0.080