PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/11-22:12:40
G03     212.0          57.7               10.9 +/-    0.74      12.6 +/-    0.74  0.050 / 0.060
G07     256.9          15.1                9.2 +/-    2.15      22.9 +/-    2.15  0.070 / 0.070
G09     310.0          27.2                8.3 +/-    1.38      15.4 +/-    1.38  0.030 / 0.040
G16     101.9          65.6               11.8 +/-    0.96      12.8 +/-    0.96  0.040 / 0.040
G22     188.6          42.1               10.3 +/-    0.97      14.5 +/-    0.97  0.080 / 0.180
G23     330.0          59.7                9.6 +/-    0.62      11.0 +/-    0.62  0.060 / 0.220
G26     54.3           44.3                9.0 +/-    1.04      12.2 +/-    1.04  0.120 / 0.170
G27     133.2          10.9                6.2 +/-   23.86      16.9 +/-   23.86  0.150 / 0.240
G31     59.0           11.1                7.7 +/-    2.30      21.1 +/-    2.30  0.090 / 0.150