PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/17-00:58:10
G01     316.5          23.3                6.5 +/-    0.93      13.3 +/-    0.93  0.160 / 0.140
G10     89.6           49.0                8.2 +/-    1.14      10.4 +/-    1.14  0.080 / 0.150
G11     295.9          26.2                7.6 +/-    1.78      14.5 +/-    1.78  0.040 / 0.040
G14     315.9          70.9                7.3 +/-    0.58       7.6 +/-    0.58  0.050 / 0.040
G18     296.7          45.5                7.7 +/-    3.57      10.3 +/-    3.57  0.110 / 0.230
G20     110.7          24.4                8.3 +/-    1.61      16.4 +/-    1.61  0.110 / 0.290
G22     303.9          14.6                4.9 +/-    1.56      12.3 +/-    1.56  0.170 / 0.260
G25     93.4           11.2               -0.5 +/-   33.19      -1.3 +/-   33.19  0.110 / 0.240
G31     173.5          50.0                9.2 +/-    1.02      11.6 +/-    1.02  0.210 / 0.280
G32     20.8           61.8                6.9 +/-    0.71       7.8 +/-    0.71  0.200 / 0.250