PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/29-02:43:00
G01     114.6          20.8               10.0 +/-    1.25      21.6 +/-    1.25  0.030 / 0.040
G07     95.2           61.4                5.7 +/-    0.66       6.4 +/-    0.66  0.030 / 0.040
G08     42.7           24.8                1.6 +/-    1.71       3.2 +/-    1.71  0.120 / 0.250
G09     175.1          20.0                7.0 +/-    2.35      15.3 +/-    2.35  0.100 / 0.230
G11     97.7           41.6                6.4 +/-    0.48       9.1 +/-    0.48  0.080 / 0.230
G13     314.9          23.6                4.4 +/-    1.09       8.8 +/-    1.09  0.080 / 0.210
G17     201.7          32.1                6.9 +/-    1.98      11.6 +/-    1.98  0.050 / 0.060
G18     85.1           21.9                6.8 +/-    0.96      14.3 +/-    0.96  0.040 / 0.050
G28     297.7          57.8                5.5 +/-    0.53       6.4 +/-    0.53  0.040 / 0.030
G30     352.8          71.9                4.0 +/-    0.68       4.2 +/-    0.68  0.060 / 0.030