PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/31-23:12:40
G01     244.5          34.0               10.6 +/-    1.92      17.1 +/-    1.92  0.030 / 0.040
G03     315.8          45.3                6.6 +/-    0.78       8.8 +/-    0.78  0.030 / 0.040
G14     59.7           42.5                6.6 +/-    0.85       9.3 +/-    0.85  0.050 / 0.080
G16     159.6          21.7                4.1 +/-   15.74       8.8 +/-   15.74  0.050 / 0.070
G22     301.1          67.0                7.2 +/-    0.75       7.7 +/-    0.75  0.050 / 0.050
G23     289.1          21.7                9.4 +/-    2.10      19.9 +/-    2.10  0.040 / 0.050
G26     133.0          40.7                9.0 +/-    0.88      13.0 +/-    0.88  0.040 / 0.040
G31     41.4           54.5                7.4 +/-    0.53       8.9 +/-    0.53  0.040 / 0.040
G32     80.0           19.9                7.0 +/-    2.04      15.4 +/-    2.04  0.110 / 0.350