PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-19:12:30
G01     224.5          15.1               13.0 +/-    1.56      32.3 +/-    1.56  0.060 / 0.110
G03     272.8          70.7               10.7 +/-    0.68      11.3 +/-    0.68  0.050 / 0.110
G14     88.7           23.6               11.6 +/-    0.82      23.4 +/-    0.82  0.040 / 0.050
G16     145.6          47.5               15.3 +/-    0.95      19.9 +/-    0.95  0.040 / 0.040
G22     207.4          67.8               12.6 +/-    0.89      13.5 +/-    0.89  0.100 / 0.230
G23     310.1          40.2               10.9 +/-    1.14      15.8 +/-    1.14  0.110 / 0.280
G26     91.6           54.5               11.7 +/-    0.59      14.0 +/-    0.59  0.040 / 0.070
G31     46.4           29.5                8.7 +/-    0.59      15.4 +/-    0.59  0.030 / 0.070