PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/17-09:57:40
G02     212.5          53.4                8.7 +/-    0.84      10.5 +/-    0.84  0.050 / 0.060
G06     79.2           78.7                6.9 +/-    0.34       7.1 +/-    0.34  0.070 / 0.080
G12     316.6          31.6                5.2 +/-    1.63       8.8 +/-    1.63  0.070 / 0.100
G17     54.4           33.5                3.6 +/-    1.30       5.9 +/-    1.30  0.120 / 0.100
G19     28.7           54.8                5.0 +/-    1.74       5.9 +/-    1.74  0.030 / 0.020
G24     267.1          43.6                5.9 +/-    1.41       8.1 +/-    1.41  0.030 / 0.010
G28     118.3          19.1                6.8 +/-    1.35      15.3 +/-    1.35  0.050 / 0.030