PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/11-02:27:30
G01     227.6          18.4                7.1 +/-    1.36      16.2 +/-    1.36  0.030 / 0.030
G03     293.5          65.5                4.7 +/-    0.80       5.1 +/-    0.80  0.040 / 0.030
G09     294.5          11.3               -7.4 +/-   25.28     -20.2 +/-   25.28  0.080 / 0.230
G14     84.8           25.5                4.1 +/-    1.64       7.9 +/-    1.64  0.220 / 0.220
G16     146.6          43.7                7.3 +/-    1.31      10.0 +/-    1.31  0.130 / 0.170
G22     225.0          72.1                5.4 +/-    0.79       5.6 +/-    0.79  0.100 / 0.160
G23     305.2          34.8                4.6 +/-    1.37       7.4 +/-    1.37  0.040 / 0.060
G26     100.5          53.8                6.0 +/-    0.41       7.2 +/-    0.41  0.040 / 0.060
G31     44.6           34.1                3.3 +/-    0.93       5.3 +/-    0.93  0.220 / 0.280