PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/16-22:57:30
G10     90.8           48.3               12.4 +/-    0.56      16.0 +/-    0.56  0.130 / 0.390
G11     294.8          26.5               10.7 +/-    0.93      20.2 +/-    0.93  0.140 / 0.350
G14     320.5          71.1               13.1 +/-    1.10      13.7 +/-    1.10  0.040 / 0.060
G18     295.0          46.5               11.4 +/-    1.39      15.1 +/-    1.39  0.040 / 0.050
G20     111.4          23.7               11.0 +/-    1.04      22.1 +/-    1.04  0.150 / 0.360
G22     304.3          14.9                9.4 +/-    3.06      23.4 +/-    3.06  0.150 / 0.490
G25     91.5           11.5               -5.3 +/-   41.15     -14.3 +/-   41.15  0.040 / 0.070
G31     174.4          49.9               13.4 +/-    1.56      16.9 +/-    1.56  0.050 / 0.080
G32     21.1           61.6               11.8 +/-    0.63      13.2 +/-    0.63  0.040 / 0.040