PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-01:27:50
G01     230.0          22.6                9.0 +/-    2.59      18.6 +/-    2.59  0.060 / 0.040
G03     304.5          61.0                4.7 +/-    1.27       5.3 +/-    1.27  0.040 / 0.040
G14     77.1           31.9                4.7 +/-    1.16       8.0 +/-    1.16  0.060 / 0.130
G16     150.4          37.4                7.9 +/-    1.12      12.1 +/-    1.12  0.060 / 0.130
G22     250.3          74.4                6.6 +/-    0.69       6.9 +/-    0.69  0.050 / 0.040
G23     301.9          32.8                5.0 +/-    1.91       8.3 +/-    1.91  0.040 / 0.050
G26     111.0          51.5                6.8 +/-    0.77       8.5 +/-    0.77  0.060 / 0.110
G31     43.3           38.1                3.8 +/-    1.04       5.8 +/-    1.04  0.060 / 0.100
G32     93.1           10.2                6.5 +/-    1.87      18.0 +/-    1.87  0.140 / 0.200