PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/05-12:27:20
G02     35.7           52.5                3.9 +/-    0.49       4.7 +/-    0.49  0.030 / 0.030
G05     144.4          62.5                6.9 +/-    0.50       7.6 +/-    0.50  0.030 / 0.030
G06     54.7           13.3                1.5 +/-    0.53       3.9 +/-    0.53  0.050 / 0.050
G12     189.8          63.7                4.8 +/-    0.56       5.3 +/-    0.56  0.060 / 0.050
G25     294.0          54.3                4.4 +/-    0.91       5.3 +/-    0.91  0.030 / 0.050