PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/31-01:57:30
G03     199.8          40.3                7.7 +/-    0.55      11.2 +/-    0.55  0.080 / 0.160
G07     273.1          27.9                7.4 +/-    0.96      13.6 +/-    0.96  0.110 / 0.200
G08     153.7          12.5                7.2 +/-    7.21      18.9 +/-    7.21  0.180 / 0.350
G09     319.4          47.6                7.2 +/-    1.58       9.3 +/-    1.58  0.180 / 0.410
G16     55.1           53.5                6.5 +/-    0.98       7.9 +/-    0.98  0.120 / 0.130
G22     184.8          23.9                6.6 +/-    2.42      13.3 +/-    2.42  0.100 / 0.130
G23     358.1          76.9                6.1 +/-    0.67       6.2 +/-    0.67  0.040 / 0.070
G26     44.5           26.9                3.7 +/-    1.98       6.9 +/-    1.98  0.040 / 0.050
G27     119.2          22.9                8.7 +/-    1.17      17.9 +/-    1.17  0.070 / 0.080