PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/27-20:57:40
G01     317.1          21.8               11.6 +/-    3.04      24.4 +/-    3.04  0.110 / 0.280
G08     253.0          10.7               11.0 +/-    3.43      30.2 +/-    3.43  0.150 / 0.420
G10     86.3           51.1               10.3 +/-    1.34      12.8 +/-    1.34  0.150 / 0.210
G11     298.9          25.2               10.5 +/-    1.35      20.4 +/-    1.35  0.160 / 0.150
G14     314.2          71.2               10.8 +/-    0.36      11.3 +/-    0.36  0.040 / 0.050
G18     106.3          24.5               10.9 +/-    1.93      21.5 +/-    1.93  0.040 / 0.060
G22     302.7          13.1               11.9 +/-    2.32      30.8 +/-    2.32  0.270 / 0.370
G25     96.4           10.6               13.6 +/-    3.14      37.5 +/-    3.14  0.310 / 0.290
G31     177.5          45.1               14.3 +/-    0.88      19.3 +/-    0.88  0.030 / 0.020
G32     12.9           65.0               10.1 +/-    0.41      11.0 +/-    0.41  0.020 / 0.030