PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-19:28:10
G02     233.4          72.2               10.2 +/-    0.83      10.7 +/-    0.83  0.070 / 0.110
G05     172.7          13.3               13.8 +/-    2.07      35.8 +/-    2.07  0.070 / 0.100
G06     41.6           62.3                9.2 +/-    0.40      10.3 +/-    0.40  0.040 / 0.040
G12     320.6          46.3                6.6 +/-    1.04       8.7 +/-    1.04  0.030 / 0.040
G17     66.7           25.8                9.5 +/-    1.40      18.3 +/-    1.40  0.050 / 0.090
G19     54.0           39.8                9.7 +/-    0.50      14.2 +/-    0.50  0.030 / 0.070
G24     249.2          36.5               12.9 +/-    1.08      20.0 +/-    1.08  0.060 / 0.130