PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/18-00:12:50
G01     243.5          33.3                9.8 +/-    1.38      16.0 +/-    1.38  0.040 / 0.030
G03     315.5          46.6                6.9 +/-    0.73       9.1 +/-    0.73  0.030 / 0.030
G14     61.5           41.3                5.1 +/-    1.47       7.3 +/-    1.47  0.050 / 0.090
G16     159.1          22.8                8.2 +/-    2.41      16.8 +/-    2.41  0.050 / 0.080
G22     299.1          67.9                7.0 +/-    0.66       7.5 +/-    0.66  0.080 / 0.140
G23     290.2          22.8               10.4 +/-    2.70      21.3 +/-    2.70  0.080 / 0.130
G26     131.6          41.7                7.3 +/-    0.71      10.4 +/-    0.71  0.040 / 0.050
G31     41.3           52.9                6.1 +/-    0.63       7.4 +/-    0.63  0.050 / 0.070
G32     80.9           19.3                6.0 +/-    0.94      13.5 +/-    0.94  0.040 / 0.050