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                4.9 +/-    1.15       7.6 +/-    1.15  0.050 / 0.090
G03     316.3          38.4                4.3 +/-    1.29       6.4 +/-    1.29  0.070 / 0.110
G11     237.9          14.6                6.0 +/-    1.31      15.1 +/-    1.31  0.050 / 0.040
G14     58.3           41.3                3.7 +/-    0.61       5.3 +/-    0.61  0.030 / 0.040
G16     166.4          14.1               -5.0 +/-   13.60     -12.7 +/-   13.60  0.060 / 0.090
G22     308.5          62.8                5.4 +/-    1.56       6.0 +/-    1.56  0.060 / 0.090
G23     283.5          16.0                5.9 +/-    3.66      14.4 +/-    3.66  0.090 / 0.390
G26     142.3          34.1                7.7 +/-    0.70      12.4 +/-    0.70  0.130 / 0.570
G31     41.4           63.9                4.3 +/-    0.81       4.7 +/-    0.81  0.020 / 0.040
G32     73.5           27.0                3.5 +/-    0.55       6.5 +/-    0.55  0.020 / 0.040