PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/03-23:12:50
G10     273.4          41.0               16.4 +/-    1.44      23.4 +/-    1.44  0.140 / 0.370
G13     40.1           15.3               13.5 +/-    2.04      33.3 +/-    2.04  0.120 / 0.360
G15     54.2           44.9               15.7 +/-    0.58      21.2 +/-    0.58  0.040 / 0.050
G18     313.5          65.8               14.9 +/-    0.81      16.2 +/-    0.81  0.040 / 0.050
G20     59.0           29.6               14.5 +/-    1.07      25.6 +/-    1.07  0.090 / 0.280
G21     23.9           75.4               15.9 +/-    0.52      16.3 +/-    0.52  0.130 / 0.330
G24     116.5          17.4               19.4 +/-    2.22      45.6 +/-    2.22  0.090 / 0.160
G27     314.5          24.8               12.7 +/-    1.69      25.0 +/-    1.69  0.070 / 0.160
G29     167.1          21.8               20.0 +/-    2.59      42.2 +/-    2.59  0.110 / 0.490
G32     206.0          12.9               18.6 +/-   27.68      48.6 +/-   27.68  0.110 / 0.450