PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/14-02:57:40
G01     232.9          23.2                8.9 +/-    4.11      18.0 +/-    4.11  0.200 / 0.250
G03     305.0          59.4                5.8 +/-    0.40       6.6 +/-    0.40  0.130 / 0.250
G14     79.5           28.4                4.0 +/-    0.59       7.3 +/-    0.59  0.030 / 0.030
G16     157.7          34.0                8.5 +/-    0.73      13.8 +/-    0.73  0.030 / 0.040
G22     250.9          75.3                5.6 +/-    0.84       5.8 +/-    0.84  0.080 / 0.190
G23     299.9          29.8                5.6 +/-    1.11       9.9 +/-    1.11  0.080 / 0.160
G26     121.0          51.0                8.1 +/-    0.79      10.1 +/-    0.79  0.060 / 0.120
G31     40.9           44.0                3.9 +/-    0.89       5.3 +/-    0.89  0.060 / 0.140
G32     91.6           14.0                5.5 +/-    1.37      13.9 +/-    1.37  0.040 / 0.060