PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/17-19:57:30
G01     244.2          31.5                9.2 +/-    1.29      15.7 +/-    1.29  0.040 / 0.050
G03     313.6          51.5                5.4 +/-    0.69       6.7 +/-    0.69  0.040 / 0.050
G14     66.6           37.4                6.3 +/-    0.50       9.5 +/-    0.50  0.030 / 0.050
G16     161.6          23.3                9.8 +/-    1.74      19.9 +/-    1.74  0.030 / 0.050
G22     292.5          71.7                7.4 +/-    0.91       7.7 +/-    0.91  0.060 / 0.310
G23     291.7          23.6                7.8 +/-    2.03      15.8 +/-    2.03  0.070 / 0.200
G26     130.4          43.1                9.7 +/-    0.82      13.4 +/-    0.82  0.100 / 0.140
G31     40.1           52.3                5.6 +/-    0.36       6.8 +/-    0.36  0.100 / 0.150
G32     82.9           18.8                8.0 +/-    0.82      18.0 +/-    0.82  0.060 / 0.140