PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/05-17:58:20
G03     237.7          70.0               10.4 +/-    0.64      11.0 +/-    0.64  0.060 / 0.050
G09     300.8          14.4                9.3 +/-    2.58      23.4 +/-    2.58  0.050 / 0.040
G14     96.1           18.6               10.0 +/-    1.86      22.7 +/-    1.86  0.100 / 0.280
G16     133.4          56.1               11.1 +/-    0.48      13.1 +/-    0.48  0.090 / 0.290
G22     194.7          58.1               11.8 +/-    0.43      13.7 +/-    0.43  0.030 / 0.040
G23     317.8          47.8                9.1 +/-    1.82      11.8 +/-    1.82  0.030 / 0.040
G26     74.2           52.6               10.1 +/-    0.58      12.3 +/-    0.58  0.170 / 0.170
G31     50.6           21.6                8.0 +/-    2.69      17.0 +/-    2.69  0.080 / 0.240