PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-05:12:40
G01     115.4          20.4                6.5 +/-    1.35      14.3 +/-    1.35  0.060 / 0.190
G07     92.9           62.6                6.9 +/-    0.65       7.6 +/-    0.65  0.160 / 0.180
G08     42.8           25.4                3.5 +/-    2.19       6.7 +/-    2.19  0.030 / 0.040
G09     174.2          19.2                5.7 +/-    1.26      12.8 +/-    1.26  0.030 / 0.030
G11     98.8           41.4                6.4 +/-    0.61       9.1 +/-    0.61  0.030 / 0.020
G13     315.3          23.1               -1.8 +/-    1.35      -3.7 +/-    1.35  0.040 / 0.020
G17     201.6          31.3                6.2 +/-    1.75      10.6 +/-    1.75  0.070 / 0.090
G28     297.4          57.9                4.3 +/-    1.04       5.0 +/-    1.04  0.060 / 0.110
G30     350.4          71.1                5.6 +/-    0.41       5.8 +/-    0.41  0.040 / 0.060