PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/29-00:27:50
G01     221.4          14.2                8.2 +/-    4.23      20.7 +/-    4.23  0.040 / 0.040
G03     281.0          68.7                5.2 +/-    0.61       5.5 +/-    0.61  0.040 / 0.050
G09     296.7          12.1                7.6 +/-    3.96      20.2 +/-    3.96  0.110 / 0.240
G14     87.4           25.5                6.9 +/-    1.23      13.4 +/-    1.23  0.100 / 0.210
G16     140.2          48.6                7.9 +/-    1.16      10.1 +/-    1.16  0.260 / 0.460
G22     214.3          67.9                6.7 +/-    0.87       7.2 +/-    0.87  0.220 / 0.360
G23     310.3          40.3                5.4 +/-    0.80       7.9 +/-    0.80  0.040 / 0.070
G26     90.1           54.2                6.4 +/-    0.55       7.7 +/-    0.55  0.040 / 0.080
G31     47.1           28.3                2.9 +/-    0.89       5.2 +/-    0.89  0.030 / 0.030