PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-18:43:00
G03     221.9          65.4               10.0 +/-    0.86      10.8 +/-    0.86  0.120 / 0.230
G09     304.8          19.4               10.7 +/-    1.09      24.0 +/-    1.09  0.140 / 0.280
G14     101.7          14.0               13.0 +/-    1.46      33.2 +/-    1.46  0.050 / 0.070
G16     121.5          61.2               14.3 +/-    0.77      16.1 +/-    0.77  0.040 / 0.060
G22     190.9          51.1               12.5 +/-    1.74      15.6 +/-    1.74  0.040 / 0.060
G23     323.2          53.0               12.1 +/-    0.75      14.7 +/-    0.75  0.050 / 0.040
G26     64.0           49.6                9.9 +/-    0.57      12.5 +/-    0.57  0.140 / 0.390
G31     54.0           16.6                9.3 +/-    1.71      22.3 +/-    1.71  0.170 / 0.470