PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-15:12:20
G02     30.4           56.9                4.9 +/-    0.51       5.7 +/-    0.51  0.020 / 0.050
G05     145.7          60.4                7.4 +/-    0.80       8.4 +/-    0.80  0.030 / 0.040
G06     53.1           15.4                4.2 +/-    2.35      10.3 +/-    2.35  0.190 / 0.410
G12     196.7          68.6                5.2 +/-    1.15       5.6 +/-    1.15  0.190 / 0.480
G25     299.0          52.0                5.5 +/-    1.67       6.8 +/-    1.67  0.030 / 0.040
G29     306.1          26.7                5.2 +/-    1.50       9.7 +/-    1.50  0.030 / 0.050