PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-04:27:50
G01     254.6          36.9                5.5 +/-    1.22       8.5 +/-    1.22  0.140 / 0.330
G03     316.3          38.4                5.1 +/-    0.76       7.6 +/-    0.76  0.150 / 0.210
G11     237.9          14.6                5.1 +/-    2.39      12.9 +/-    2.39  0.040 / 0.030
G14     58.3           41.3                4.3 +/-    0.81       6.1 +/-    0.81  0.030 / 0.030
G22     308.5          62.8                5.1 +/-    0.51       5.7 +/-    0.51  0.060 / 0.110
G23     283.5          16.0                6.1 +/-    4.68      14.8 +/-    4.68  0.070 / 0.080
G25     39.8           9.8                 2.5 +/-    1.63       7.0 +/-    1.63  0.020 / 0.030
G26     142.3          34.1                6.2 +/-    0.88       9.9 +/-    0.88  0.030 / 0.030
G31     41.4           63.9                4.5 +/-    0.54       5.0 +/-    0.54  0.100 / 0.340
G32     73.5           27.0                3.4 +/-    1.40       6.4 +/-    1.40  0.090 / 0.320