PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/24-08:57:50
G05     50.7           12.3                2.0 +/-    2.29       5.3 +/-    2.29  0.040 / 0.040
G10     239.3          17.0                6.1 +/-    1.22      14.4 +/-    1.22  0.040 / 0.040
G13     69.0           35.1                4.5 +/-    1.27       7.2 +/-    1.27  0.260 / 0.420
G15     114.7          55.2                6.6 +/-    1.22       7.9 +/-    1.22  0.380 / 0.370
G16     313.9          11.4               -2.3 +/-   10.16      -6.1 +/-   10.16  0.050 / 0.090
G20     253.1          40.9                5.7 +/-    1.83       8.1 +/-    1.83  0.050 / 0.110
G21     323.0          53.7                4.6 +/-    0.53       5.5 +/-    0.53  0.150 / 0.140
G26     287.8          18.1                3.2 +/-    1.48       7.4 +/-    1.48  0.220 / 0.150
G29     154.6          61.8                7.7 +/-    0.35       8.6 +/-    0.35  0.150 / 0.140