PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-10:27:40
G01     220.8          12.5                4.4 +/-    4.09      11.5 +/-    4.09  0.140 / 0.520
G03     260.4          71.7                4.9 +/-    0.39       5.1 +/-    0.39  0.100 / 0.410
G09     297.3          10.5              -12.5 +/-   24.73     -34.5 +/-   24.73  0.030 / 0.050
G14     91.9           20.1                3.7 +/-    1.27       8.2 +/-    1.27  0.040 / 0.050
G16     141.9          50.1                7.8 +/-    0.85       9.8 +/-    0.85  0.040 / 0.050
G22     201.3          63.6                7.3 +/-    0.77       8.1 +/-    0.77  0.040 / 0.040
G23     313.7          44.0                4.2 +/-    1.14       5.7 +/-    1.14  0.090 / 0.240
G26     86.9           54.8                5.6 +/-    0.32       6.7 +/-    0.32  0.090 / 0.210
G31     48.3           26.0                3.9 +/-    1.47       7.5 +/-    1.47  0.040 / 0.050