PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-21:28:00
G05     51.5           11.2                7.4 +/-    3.58      20.0 +/-    3.58  0.130 / 0.500
G10     241.2          19.7                9.5 +/-    3.44      21.2 +/-    3.44  0.120 / 0.410
G13     65.2           33.9                8.8 +/-    0.88      14.2 +/-    0.88  0.060 / 0.080
G15     111.1          56.4                9.8 +/-    0.63      11.5 +/-    0.63  0.050 / 0.080
G16     307.3          14.6                4.5 +/-    2.35      11.3 +/-    2.35  0.070 / 0.110
G20     256.0          42.8                9.1 +/-    1.76      12.7 +/-    1.76  0.070 / 0.110
G21     320.4          51.3                8.7 +/-    0.63      10.8 +/-    0.63  0.030 / 0.040
G26     279.8          19.0                7.3 +/-    0.72      16.4 +/-    0.72  0.030 / 0.040
G29     158.4          63.6                9.2 +/-    0.68      10.1 +/-    0.68  0.100 / 0.180