PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/07-05:12:40
G01     114.3          19.4                5.1 +/-    1.35      11.5 +/-    1.35  0.030 / 0.020
G07     88.3           64.6                4.9 +/-    0.88       5.3 +/-    0.88  0.040 / 0.030
G08     43.9           29.0                5.3 +/-    2.10       9.5 +/-    2.10  0.210 / 0.190
G09     174.4          20.8                5.1 +/-    2.59      11.0 +/-    2.59  0.090 / 0.150
G11     106.5          42.6                7.8 +/-    1.24      10.9 +/-    1.24  0.090 / 0.090
G13     315.6          23.1                4.0 +/-    1.18       8.2 +/-    1.18  0.110 / 0.090
G17     201.6          27.2                5.6 +/-    2.58      10.4 +/-    2.58  0.130 / 0.220
G28     286.0          53.1                5.8 +/-    2.96       7.0 +/-    2.96  0.100 / 0.170
G30     343.8          68.9                4.5 +/-    1.00       4.8 +/-    1.00  0.030 / 0.040