PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/16-23:58:00
G01     250.5          35.0                8.1 +/-    2.07      12.8 +/-    2.07  0.030 / 0.030
G03     315.8          43.1                5.9 +/-    0.95       8.2 +/-    0.95  0.030 / 0.040
G11     236.6          12.6                7.0 +/-    2.02      18.3 +/-    2.02  0.090 / 0.090
G14     61.4           39.9                4.7 +/-    0.46       6.8 +/-    0.46  0.110 / 0.090
G16     166.9          15.7               -4.8 +/-   13.02     -11.7 +/-   13.02  0.150 / 0.430
G22     304.8          65.5                6.4 +/-    0.83       7.0 +/-    0.83  0.150 / 0.410
G23     286.4          18.5                7.2 +/-    1.45      16.5 +/-    1.45  0.040 / 0.030
G26     139.8          37.1               10.7 +/-    0.81      16.3 +/-    0.81  0.030 / 0.030
G31     39.9           61.7                5.3 +/-    0.74       5.9 +/-    0.74  0.050 / 0.070
G32     76.9           24.2                6.5 +/-    0.84      13.0 +/-    0.84  0.050 / 0.080