PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/26-20:12:30
G01     224.9          15.5               11.2 +/-    2.52      27.4 +/-    2.52  0.040 / 0.030
G03     276.9          70.0                9.0 +/-    0.52       9.5 +/-    0.52  0.040 / 0.030
G14     88.3           23.6               10.0 +/-    2.38      20.2 +/-    2.38  0.100 / 0.170
G16     147.1          46.6               11.6 +/-    1.21      15.3 +/-    1.21  0.110 / 0.170
G22     210.1          68.7                9.5 +/-    0.64      10.1 +/-    0.64  0.230 / 0.170
G23     309.3          39.3                8.9 +/-    1.02      13.1 +/-    1.02  0.160 / 0.310
G26     93.7           54.6                9.2 +/-    1.24      11.0 +/-    1.24  0.040 / 0.060
G31     46.0           30.5                7.3 +/-    1.10      12.6 +/-    1.10  0.040 / 0.060