PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-15:27:40
G10     248.5          26.9               12.5 +/-    0.67      23.5 +/-    0.67  0.170 / 0.450
G13     55.2           29.9                7.6 +/-    1.04      13.3 +/-    1.04  0.160 / 0.630
G15     87.1           56.6                8.1 +/-    0.40       9.4 +/-    0.40  0.060 / 0.100
G16     297.4          16.1                6.7 +/-    3.07      16.1 +/-    3.07  0.090 / 0.130
G20     269.0          51.5               10.6 +/-    1.07      13.1 +/-    1.07  0.030 / 0.060
G21     331.7          58.3                6.9 +/-    1.02       7.9 +/-    1.02  0.040 / 0.050
G26     270.8          16.3               11.0 +/-    1.81      26.4 +/-    1.81  0.030 / 0.050
G29     163.0          54.2               10.4 +/-    1.12      12.6 +/-    1.12  0.030 / 0.050