PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/25-16:57:40
G01     316.9          22.2                5.3 +/-    1.97      11.0 +/-    1.97  0.100 / 0.290
G08     254.3          10.4               10.5 +/-    2.13      29.1 +/-    2.13  0.160 / 0.280
G10     87.4           50.6                9.3 +/-    0.68      11.7 +/-    0.68  0.040 / 0.040
G11     299.9          24.1                7.7 +/-    1.12      15.4 +/-    1.12  0.050 / 0.040
G14     311.6          70.8                7.8 +/-    0.76       8.2 +/-    0.76  0.080 / 0.190
G22     303.4          14.8                5.8 +/-    2.15      14.5 +/-    2.15  0.090 / 0.160
G25     97.0           10.9                4.1 +/-   32.71      11.3 +/-   32.71  0.040 / 0.050
G31     174.8          48.0               11.6 +/-    1.58      15.0 +/-    1.58  0.040 / 0.060
G32     17.2           63.4                8.3 +/-    0.47       9.2 +/-    0.47  0.130 / 0.410